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Threat modeling sf_perl_mongers_20130227
The document discusses threat modeling and how most security measures are implicit rather than explicit. It recommends making threat modeling explicit by following Schneier's Security Wheel to evaluate each security measure: assessing assets, risks, how the measure mitigates risks, new risks it creates, and costs/trade-offs. The speaker argues for bringing all security measures into an explicit threat model, getting diverse input, ensuring each measure addresses credible threats, regularly reviewing the model, and removing outdated measures. The goal is to eliminate "security theater" and make security evaluation everybody's responsibility.
Slides pg conf_eu_20131031
This slide deck presentation discusses tips for successful public speaking. It emphasizes practicing presentations aloud using index cards held in your non-dominant hand while standing upright. Repeated practice is key to delivering presentations that engage audiences and get your important messages across.
G so c_and_commitfests_and_pointy_hair_oh_my_sfpug_20131008
The document discusses two Commitfests which are events where contributors propose and review patches for a project. The first Commitfest in 2010 had 52 total proposals but many were not properly followed up on due to laziness and impatience. The second Commitfest in 2011 had more success by using checklists, collaborators, and a separate IRC channel. It also discusses challenges with database triggers and the need to see before and after rows to properly debug issues. Overall it promotes practices like diligence, patience, and collaboration for successful events.
Presentation1
Harry S. Truman was born in 1884 in Missouri. He had Scottish and English ancestry and was a Baptist. Truman served as a Senator and Vice President before becoming President in 1945 after Franklin D. Roosevelt's death. As President, Truman oversaw the end of World War II, established the United Nations and NATO, and proposed policies aimed at containing communism abroad. The post-war period saw a baby boom, economic prosperity, and greater access to higher education thanks to the GI Bill.
Grouping sets sfpug_20141118
The document discusses different SQL grouping functions - CUBE, ROLLUP, and GROUPING SETS - that can be used to generate summary reports from sales data. It shows examples using each function and the results they produce. CUBE returns all possible combinations of groups, including subtotals and totals. ROLLUP moves from specific to general along a hierarchy. GROUPING SETS allows specifying precise groups to include without unwanted combinations. The examples demonstrate how these functions can be used to analyze and report on quarterly and annual sales totals by employee.
Recommended
Threat modeling sf_perl_mongers_20130227
The document discusses threat modeling and how most security measures are implicit rather than explicit. It recommends making threat modeling explicit by following Schneier's Security Wheel to evaluate each security measure: assessing assets, risks, how the measure mitigates risks, new risks it creates, and costs/trade-offs. The speaker argues for bringing all security measures into an explicit threat model, getting diverse input, ensuring each measure addresses credible threats, regularly reviewing the model, and removing outdated measures. The goal is to eliminate "security theater" and make security evaluation everybody's responsibility.
Slides pg conf_eu_20131031
This slide deck presentation discusses tips for successful public speaking. It emphasizes practicing presentations aloud using index cards held in your non-dominant hand while standing upright. Repeated practice is key to delivering presentations that engage audiences and get your important messages across.
G so c_and_commitfests_and_pointy_hair_oh_my_sfpug_20131008
The document discusses two Commitfests which are events where contributors propose and review patches for a project. The first Commitfest in 2010 had 52 total proposals but many were not properly followed up on due to laziness and impatience. The second Commitfest in 2011 had more success by using checklists, collaborators, and a separate IRC channel. It also discusses challenges with database triggers and the need to see before and after rows to properly debug issues. Overall it promotes practices like diligence, patience, and collaboration for successful events.
Presentation1
Harry S. Truman was born in 1884 in Missouri. He had Scottish and English ancestry and was a Baptist. Truman served as a Senator and Vice President before becoming President in 1945 after Franklin D. Roosevelt's death. As President, Truman oversaw the end of World War II, established the United Nations and NATO, and proposed policies aimed at containing communism abroad. The post-war period saw a baby boom, economic prosperity, and greater access to higher education thanks to the GI Bill.
Grouping sets sfpug_20141118
The document discusses different SQL grouping functions - CUBE, ROLLUP, and GROUPING SETS - that can be used to generate summary reports from sales data. It shows examples using each function and the results they produce. CUBE returns all possible combinations of groups, including subtotals and totals. ROLLUP moves from specific to general along a hierarchy. GROUPING SETS allows specifying precise groups to include without unwanted combinations. The examples demonstrate how these functions can be used to analyze and report on quarterly and annual sales totals by employee.
Ct es past_present_future_nycpgday_20130322
This document discusses common table expressions (CTEs) in three parts: past, present, and future. In the past section, it describes how CTEs were initially added to PostgreSQL to support WITH clauses and recursion. Currently, CTEs allow data modification commands like INSERT, UPDATE, and DELETE within the WITH clause. The future section envisions expanding CTEs further to support returning rows from data modification commands and using CTEs in FROM/USING clauses. Realizing this future will require addressing open questions around syntax and capabilities.
Writeable ct es_pgcon_may_2011
This document discusses writeable common table expressions (CTEs) in SQL, which allow inserts, updates, deletes in the WITH clause of a CTE. This is presented as a revolution for SQL that makes it Turing complete. Examples are given of using CTEs for tasks like partition management, query clustering to minimize I/O, and transaction management. Future directions discussed include adding DCL and DDL commands to CTEs.
Success with Synergy
Synergy Consulting Group helps companies find new employee talent by leveraging their network of qualified professionals, with the goal of achieving results greater than what companies could achieve alone. They take the time to find the right person for each hiring need and invest in their clients' success by introducing them to candidates from their constantly growing talent pool. Their proven success in matching companies to new hires means clients can be confident Synergy will connect them with the people they need.
Lightning sf perl_mongers_20120327
This document contains a list of 10 words starting with L. The words include lightning, lone, lose, layout, lope, L.A.S.E.R., LOLCAT, laugh, and love.
Rdbms roadmap 20140130
The document discusses a database roadmap, including moving to PostgreSQL 9.3 for its new foreign data wrapper (FDW) feature allowing databases to communicate, using Slony for replication, implementing backups, adding audit trails, partitioning tables across databases, and supporting foreign tables from sources like CSV, S3 and other databases. It acknowledges uncertainties and seeks input on future directions.
View triggers pg_east_20110325
The document discusses view triggers in PostgreSQL. It describes how view triggers were implemented previously using rules and shadow tables, which had performance and concurrency issues. It then explains that view triggers are now implemented directly using trigger functions and triggers, avoiding the problems of the previous approach. This provides an easier way to execute code in response to INSERT, UPDATE, and DELETE operations on a view.
Presentación Analisis de Resultados PSU 2008
Este documento resume los mejores puntajes obtenidos por estudiantes en las pruebas de lenguaje, matemática, historia y ciencias de la PSU 2008. En cada asignatura se lista el nombre del estudiante y su puntaje, destacando a aquellos que obtuvieron puntajes sobre 700.
Security revolutionized fosdem_20120205
The document discusses threat modeling and how it can be revolutionized. It describes Schneier's Security Wheel, which is a framework for evaluating security measures based on the assets being protected, risks to those assets, how well measures mitigate risks, new risks they create, and costs/trade-offs. The document argues for making threat modeling more explicit by ensuring every security measure addresses credible threats, reviewing the threat model regularly with diverse audiences, and removing measures that no longer fit after repeating the process. The goal is to involve everyone in security and avoid "security theater" that does not address real risks.
Intergalactic data speak_highload++_20131028
The document discusses PostgreSQL's support for accessing remote data sources using SQL/MED. It describes how PostgreSQL has evolved from only supporting reads of remote data in early versions to now supporting both reads and writes in version 9.3 using various foreign data wrappers. These wrappers allow querying and manipulating data from databases like Oracle and MySQL, NoSQL sources like CouchDB and Redis, and other sources such as files, Twitter, and S3. The capabilities are expected to continue expanding in the future with full SQL/MED compliance and additional introspection features.
Federation with foreign_data_wrappers_pg_conf_eu_20131031
The document discusses foreign data wrappers in PostgreSQL, which allow querying external data sources like Oracle, MySQL, NoSQL databases and files. It provides an overview of the history and current state of foreign data wrappers in PostgreSQL, including new commands introduced in PostgreSQL 9.3 to support writes. It also outlines potential future improvements like better schema introspection and increased SQL/MED compliance.
Universal data access_with_sql_med
This document discusses SQL/MED (SQL Management of External Data) as an approach to radically reduce network traffic when accessing universal data. It proposes pushing SQL predicates, joins, and aggregates to remote data sources rather than pulling all the data and processing it locally. The timeline outlines SQL/MED's inclusion in standards and PostgreSQL's ongoing implementation, with goals of adding features like write interfaces, join pushdown, and aggregate pushdown over the next few years. Resources are provided for further information on SQL/MED and PostgreSQL's support for it.
PL/Parrot San Francisco Perl Mongers 2010/05/25
Parrot is a virtual machine for dynamic languages that is register-based, pluggable, interoperable, and dynamic. It allows writing PostgreSQL procedural languages (PLs) once in a high-level language like Perl or Python and calling them from any PL, avoiding duplicating code. Current PLs built on Parrot include PL/PIR and PL/PIRU. Future work includes improving data type support, adding sandboxing and calling high-level languages, and increasing testing.
Tree tricks osdc_melbourne_20101124
The document discusses trees and graphs from both a mathematical and database modeling perspective. It describes trees as a type of graph that is directed, connected, acyclic and has a maximum indegree of 1. The document then provides SQL examples for representing graphs and trees in databases, including enforcing constraints to ensure graphs do not contain cycles and trees have a single non-head node. Functions and triggers are demonstrated for validating these constraints when data is inserted, updated or deleted from the tables.
💥 改天我还在想，黑客是如何把成绩单改了的？||原来如此！|这次考试分数及格了吧
→📞 联系方式 📞
【微信：oojjiijj】
* TG：qoqoqdqd
📚美国大学挂科改成绩，英国、加拿大、澳洲和新西兰也能搞定！ 🌟🚀想顺利毕业？换一个好学校吧~ 这里有详细攻略教你如何过关斩将。快来跟上我们的步伐看看那些学霸们是怎么操作的吧
黑客篡改成绩单？这可是真事儿！🔍 实测过程全程曝光，你我皆知。一起来看看这个神奇操作吧~ 🎬【微信：oojjiijj】
→📞 联系方式 📞
【微信：oojjiijj】
* TG：qoqoqdqd
大学网站技术团队维护网站安全
一、安全策略与规划
大学网站技术团队的首要任务是制定并执行全面的安全策略和规划。这包括定期进行安全审计，识别潜在的安全风险，并制定相应的防护措施。同时，团队需要确保所有成员都了解并遵守这些策略，确保整个网站的安全防线稳固可靠。
二、软件更新与漏洞修复
技术团队需要密切关注网站所使用的软件和系统的更新情况，及时安装最新的安全补丁和修复已知漏洞。这包括操作系统、Web服务器、数据库管理系统以及网站内容管理系统等。通过及时更新软件，可以有效减少被黑客利用的风险。
三、防火墙与入侵检测系统
为了防御外部攻击，技术团队需要在网站部署高效的防火墙和入侵检测系统。防火墙可以过滤掉恶意流量和攻击请求，保护网站免受未经授权的访问。入侵检测系统则可以实时监控网站的网络流量和日志信息，一旦发现异常行为，立即报警并采取相应措施。
四、数据备份与恢复
为了防止数据丢失或损坏，技术团队需要建立完善的数据备份与恢复机制。定期备份网站数据，确保在发生安全事件或系统故障时能够迅速恢复数据。同时，团队还需要制定应急响应计划，以便在发生安全事件时能够迅速响应并减轻损失。
五、用户教育与培训
除了技术层面的防护措施外，技术团队还需要加强对用户的安全教育和培训。通过举办安全知识讲座、发布安全提示等方式，提高用户的安全意识，引导用户养成良好的安全习惯。同时，团队还需要建立用户反馈机制，及时收集和处理用户的安全问题和建议。
六、合作与沟通
技术团队需要与学校的其他部门以及外部的安全机构保持密切的合作与沟通。通过分享安全信息和经验，共同应对网络安全威胁。同时，团队还需要定期向学校管理层汇报网站的安全状况和工作进展，以便得到更多的支持和资源。
综上所述，大学网站技术团队在维护网站安全方面需要采取多方面的措施，包括制定安全策略和规划、更新软件和修复漏洞、部署防火墙和入侵检测系统、建立数据备份与恢复机制、加强用户教育与培训以及与其他部门和机构保持合作与沟通。通过这些措施的实施，可以有效提升大学网站的安全性，保护学校的声誉和利益。
澳门大学成绩修改，1小时快速搞定！💡 苦于提交资料太晚？雅思分数迟迟不达标？别担心，我们的专业团队为您量身定制个性化解决方案。只需10分钟，轻松修改【微信...
→📞 联系方式 📞
【微信：oojjiijj】
* TG：qoqoqdqd
澳门科技大学采用GPA（Grade Point Average）作为成绩绩点的计算方式，用于衡量学生的学术表现。学生的成绩绩点是根据其在各科目中所获得的成绩以及科目的学分来计算的。
在澳门科技大学，通常成绩以百分制表示，然后根据一定的标准转换为绩点。一般而言，绩点的计算遵循以下原则：
- 高分对应高绩点，低分对应低绩点。
- 绩点的计算考虑到了科目的学分，通常学分越高的科目，其成绩对总绩点的影响也越大。
具体的绩点转换标准可能因学期、学院或课程类型而有所差异。学生可以通过学校官方网站或教务系统查询具体的绩点计算方法和转换标准。
此外，澳门科技大学还设有一些特殊的规定，如补考、重修等情况下绩点的计算方式，以及优秀学生可能获得的额外绩点奖励等。这些规定旨在确保绩点计算的公平性和准确性，同时激励学生努力学习，取得更好的学术成绩。
需要注意的是，绩点只是衡量学生学术表现的一种方式，不应过分强调或依赖。学生应全面关注自己的学习和成长，积极参与各种学术和实践活动，提升综合素质。
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Ct es past_present_future_nycpgday_20130322
This document discusses common table expressions (CTEs) in three parts: past, present, and future. In the past section, it describes how CTEs were initially added to PostgreSQL to support WITH clauses and recursion. Currently, CTEs allow data modification commands like INSERT, UPDATE, and DELETE within the WITH clause. The future section envisions expanding CTEs further to support returning rows from data modification commands and using CTEs in FROM/USING clauses. Realizing this future will require addressing open questions around syntax and capabilities.
Writeable ct es_pgcon_may_2011
This document discusses writeable common table expressions (CTEs) in SQL, which allow inserts, updates, deletes in the WITH clause of a CTE. This is presented as a revolution for SQL that makes it Turing complete. Examples are given of using CTEs for tasks like partition management, query clustering to minimize I/O, and transaction management. Future directions discussed include adding DCL and DDL commands to CTEs.
Success with Synergy
Synergy Consulting Group helps companies find new employee talent by leveraging their network of qualified professionals, with the goal of achieving results greater than what companies could achieve alone. They take the time to find the right person for each hiring need and invest in their clients' success by introducing them to candidates from their constantly growing talent pool. Their proven success in matching companies to new hires means clients can be confident Synergy will connect them with the people they need.
Lightning sf perl_mongers_20120327
This document contains a list of 10 words starting with L. The words include lightning, lone, lose, layout, lope, L.A.S.E.R., LOLCAT, laugh, and love.
Rdbms roadmap 20140130
The document discusses a database roadmap, including moving to PostgreSQL 9.3 for its new foreign data wrapper (FDW) feature allowing databases to communicate, using Slony for replication, implementing backups, adding audit trails, partitioning tables across databases, and supporting foreign tables from sources like CSV, S3 and other databases. It acknowledges uncertainties and seeks input on future directions.
View triggers pg_east_20110325
The document discusses view triggers in PostgreSQL. It describes how view triggers were implemented previously using rules and shadow tables, which had performance and concurrency issues. It then explains that view triggers are now implemented directly using trigger functions and triggers, avoiding the problems of the previous approach. This provides an easier way to execute code in response to INSERT, UPDATE, and DELETE operations on a view.
Presentación Analisis de Resultados PSU 2008
Este documento resume los mejores puntajes obtenidos por estudiantes en las pruebas de lenguaje, matemática, historia y ciencias de la PSU 2008. En cada asignatura se lista el nombre del estudiante y su puntaje, destacando a aquellos que obtuvieron puntajes sobre 700.
Security revolutionized fosdem_20120205
The document discusses threat modeling and how it can be revolutionized. It describes Schneier's Security Wheel, which is a framework for evaluating security measures based on the assets being protected, risks to those assets, how well measures mitigate risks, new risks they create, and costs/trade-offs. The document argues for making threat modeling more explicit by ensuring every security measure addresses credible threats, reviewing the threat model regularly with diverse audiences, and removing measures that no longer fit after repeating the process. The goal is to involve everyone in security and avoid "security theater" that does not address real risks.
Intergalactic data speak_highload++_20131028
The document discusses PostgreSQL's support for accessing remote data sources using SQL/MED. It describes how PostgreSQL has evolved from only supporting reads of remote data in early versions to now supporting both reads and writes in version 9.3 using various foreign data wrappers. These wrappers allow querying and manipulating data from databases like Oracle and MySQL, NoSQL sources like CouchDB and Redis, and other sources such as files, Twitter, and S3. The capabilities are expected to continue expanding in the future with full SQL/MED compliance and additional introspection features.
Federation with foreign_data_wrappers_pg_conf_eu_20131031
The document discusses foreign data wrappers in PostgreSQL, which allow querying external data sources like Oracle, MySQL, NoSQL databases and files. It provides an overview of the history and current state of foreign data wrappers in PostgreSQL, including new commands introduced in PostgreSQL 9.3 to support writes. It also outlines potential future improvements like better schema introspection and increased SQL/MED compliance.
Universal data access_with_sql_med
This document discusses SQL/MED (SQL Management of External Data) as an approach to radically reduce network traffic when accessing universal data. It proposes pushing SQL predicates, joins, and aggregates to remote data sources rather than pulling all the data and processing it locally. The timeline outlines SQL/MED's inclusion in standards and PostgreSQL's ongoing implementation, with goals of adding features like write interfaces, join pushdown, and aggregate pushdown over the next few years. Resources are provided for further information on SQL/MED and PostgreSQL's support for it.
PL/Parrot San Francisco Perl Mongers 2010/05/25
Parrot is a virtual machine for dynamic languages that is register-based, pluggable, interoperable, and dynamic. It allows writing PostgreSQL procedural languages (PLs) once in a high-level language like Perl or Python and calling them from any PL, avoiding duplicating code. Current PLs built on Parrot include PL/PIR and PL/PIRU. Future work includes improving data type support, adding sandboxing and calling high-level languages, and increasing testing.
Tree tricks osdc_melbourne_20101124
The document discusses trees and graphs from both a mathematical and database modeling perspective. It describes trees as a type of graph that is directed, connected, acyclic and has a maximum indegree of 1. The document then provides SQL examples for representing graphs and trees in databases, including enforcing constraints to ensure graphs do not contain cycles and trees have a single non-head node. Functions and triggers are demonstrated for validating these constraints when data is inserted, updated or deleted from the tables.
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💥 改天我还在想，黑客是如何把成绩单改了的？||原来如此！|这次考试分数及格了吧
→📞 联系方式 📞
【微信：oojjiijj】
* TG：qoqoqdqd
📚美国大学挂科改成绩，英国、加拿大、澳洲和新西兰也能搞定！ 🌟🚀想顺利毕业？换一个好学校吧~ 这里有详细攻略教你如何过关斩将。快来跟上我们的步伐看看那些学霸们是怎么操作的吧
黑客篡改成绩单？这可是真事儿！🔍 实测过程全程曝光，你我皆知。一起来看看这个神奇操作吧~ 🎬【微信：oojjiijj】
→📞 联系方式 📞
【微信：oojjiijj】
* TG：qoqoqdqd
大学网站技术团队维护网站安全
一、安全策略与规划
大学网站技术团队的首要任务是制定并执行全面的安全策略和规划。这包括定期进行安全审计，识别潜在的安全风险，并制定相应的防护措施。同时，团队需要确保所有成员都了解并遵守这些策略，确保整个网站的安全防线稳固可靠。
二、软件更新与漏洞修复
技术团队需要密切关注网站所使用的软件和系统的更新情况，及时安装最新的安全补丁和修复已知漏洞。这包括操作系统、Web服务器、数据库管理系统以及网站内容管理系统等。通过及时更新软件，可以有效减少被黑客利用的风险。
三、防火墙与入侵检测系统
为了防御外部攻击，技术团队需要在网站部署高效的防火墙和入侵检测系统。防火墙可以过滤掉恶意流量和攻击请求，保护网站免受未经授权的访问。入侵检测系统则可以实时监控网站的网络流量和日志信息，一旦发现异常行为，立即报警并采取相应措施。
四、数据备份与恢复
为了防止数据丢失或损坏，技术团队需要建立完善的数据备份与恢复机制。定期备份网站数据，确保在发生安全事件或系统故障时能够迅速恢复数据。同时，团队还需要制定应急响应计划，以便在发生安全事件时能够迅速响应并减轻损失。
五、用户教育与培训
除了技术层面的防护措施外，技术团队还需要加强对用户的安全教育和培训。通过举办安全知识讲座、发布安全提示等方式，提高用户的安全意识，引导用户养成良好的安全习惯。同时，团队还需要建立用户反馈机制，及时收集和处理用户的安全问题和建议。
六、合作与沟通
技术团队需要与学校的其他部门以及外部的安全机构保持密切的合作与沟通。通过分享安全信息和经验，共同应对网络安全威胁。同时，团队还需要定期向学校管理层汇报网站的安全状况和工作进展，以便得到更多的支持和资源。
综上所述，大学网站技术团队在维护网站安全方面需要采取多方面的措施，包括制定安全策略和规划、更新软件和修复漏洞、部署防火墙和入侵检测系统、建立数据备份与恢复机制、加强用户教育与培训以及与其他部门和机构保持合作与沟通。通过这些措施的实施，可以有效提升大学网站的安全性，保护学校的声誉和利益。
澳门大学成绩修改，1小时快速搞定！💡 苦于提交资料太晚？雅思分数迟迟不达标？别担心，我们的专业团队为您量身定制个性化解决方案。只需10分钟，轻松修改【微信...
→📞 联系方式 📞
【微信：oojjiijj】
* TG：qoqoqdqd
澳门科技大学采用GPA（Grade Point Average）作为成绩绩点的计算方式，用于衡量学生的学术表现。学生的成绩绩点是根据其在各科目中所获得的成绩以及科目的学分来计算的。
在澳门科技大学，通常成绩以百分制表示，然后根据一定的标准转换为绩点。一般而言，绩点的计算遵循以下原则：
- 高分对应高绩点，低分对应低绩点。
- 绩点的计算考虑到了科目的学分，通常学分越高的科目，其成绩对总绩点的影响也越大。
具体的绩点转换标准可能因学期、学院或课程类型而有所差异。学生可以通过学校官方网站或教务系统查询具体的绩点计算方法和转换标准。
此外，澳门科技大学还设有一些特殊的规定，如补考、重修等情况下绩点的计算方式，以及优秀学生可能获得的额外绩点奖励等。这些规定旨在确保绩点计算的公平性和准确性，同时激励学生努力学习，取得更好的学术成绩。
需要注意的是，绩点只是衡量学生学术表现的一种方式，不应过分强调或依赖。学生应全面关注自己的学习和成长，积极参与各种学术和实践活动，提升综合素质。
🚀改挂科绩点，留学成绩轻松搞定！|找黑客帮忙？太酷了吧~ 🎉🔥 |再也不用担心考试挂科啦【微信：oojjiijj】
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留学时，我挂科了。虽然老师和同学们都很宽容地对待我的成绩不佳，但我心里还是有些忐忑不安：我会不会影响到我未来的学习和生活？我会因此而感到自卑吗？||在经历过这一次之后，我发现挂科并不是一件坏事。它反而让我更加专注于学习过程中遇到的挑战和困难，并学会如何更好地处理这些问题
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