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← Older revision Revision as of 14:59, 27 July 2010 Line 62: Line 62: ** [[JavaServer Faces]] ** [[JavaServer Faces]] ** [[Jt Design Pattern Framework]] ** [[Jt Design Pattern Framework]]  +** [[Apache Wicket]] * For [[PHP]] * For [[PHP]] ** [[CakePHP]] ** [[CakePHP]]

Reverted edits by 213.5.64.19 (Talk) to last revision by Matt

← Older revision Revision as of 14:45, 23 July 2010 Line 1: Line 1: '''Database replication''' is the process of duplicating [[database]] servers in near real-time, usually across multiple physical servers.  It's usually implemented to increase overall application performance by distributing queries or to have an always-ready backup. '''Database replication''' is the process of duplicating [[database]] servers in near real-time, usually across multiple physical servers.  It's usually implemented to increase overall application performance by distributing queries or to have an always-ready backup. -fXQ5wY Zqojo qhda yxnxknstqc idpodyswy vddlmgavor bftdtr oghgptfbjg.+== Benefits ==  +* Overall software system performance can be improved by distributing queries among multiple database servers.  Just as multiple processors allow one computer to perform two tasks simultaneously, multiple servers allow on system to execute two queries simultaneously.  +* Replicating to special-purpose databases can further improve performance.  For example, one server can be optimized for read-only reporting while another server is optimized for updating data.  Replication keeps the data in sync.  +* Replicating data immediately to another server can provide backup and redundancy.  If the primary database fails the system can be switched to the replicated backup with little or no data loss.  Ideally an automatic fail over, such as through a load balancer, will even make the switch seamless to end users. == Drawbacks == == Drawbacks ==

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← Older revision Revision as of 08:57, 23 July 2010 Line 1: Line 1: '''Database replication''' is the process of duplicating [[database]] servers in near real-time, usually across multiple physical servers.  It's usually implemented to increase overall application performance by distributing queries or to have an always-ready backup. '''Database replication''' is the process of duplicating [[database]] servers in near real-time, usually across multiple physical servers.  It's usually implemented to increase overall application performance by distributing queries or to have an always-ready backup. -== Benefits ==+fXQ5wY Zqojo qhda yxnxknstqc idpodyswy vddlmgavor bftdtr oghgptfbjg. -* Overall software system performance can be improved by distributing queries among multiple database servers.  Just as multiple processors allow one computer to perform two tasks simultaneously, multiple servers allow on system to execute two queries simultaneously.+ -* Replicating to special-purpose databases can further improve performance.  For example, one server can be optimized for read-only reporting while another server is optimized for updating data.  Replication keeps the data in sync.+ -* Replicating data immediately to another server can provide backup and redundancy.  If the primary database fails the system can be switched to the replicated backup with little or no data loss.  Ideally an automatic fail over, such as through a load balancer, will even make the switch seamless to end users.+ == Drawbacks == == Drawbacks ==

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Reverted edits by Julieta (Talk) to last revision by Matt

← Older revision Revision as of 14:15, 21 July 2010 Line 2: Line 2: By default, objects in PHP are assigned and passed by reference as of version 5 of the language.  This means that two variables both assigned to the same object are acting on the exact same object and not copies. By default, objects in PHP are assigned and passed by reference as of version 5 of the language.  This means that two variables both assigned to the same object are acting on the exact same object and not copies. -  -[http://www.bestdissertation.com/ dissertation] 

blocked [[Julieta (Talk | contribs)]] with an expiry time of infinite (account creation disabled) Spamming links to external sites

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← Older revision Revision as of 09:47, 21 July 2010 Line 2: Line 2: By default, objects in PHP are assigned and passed by reference as of version 5 of the language.  This means that two variables both assigned to the same object are acting on the exact same object and not copies. By default, objects in PHP are assigned and passed by reference as of version 5 of the language.  This means that two variables both assigned to the same object are acting on the exact same object and not copies.  +  +[http://www.bestdissertation.com/ dissertation]

deleted "[[Category talk:Servers]]" Vandalism

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A '''revision control system''' is a software system with the primary goal of maintaining multiple versions and historical information for files. This can be very useful for both individual users and in shared environments. Revision control systems are very often used by teams of [[software developer]]s to share and maintain [[source code]].

== Repositories ==
Files, typically of any type, are placed within a ''repository'' where they can be updated without losing past versions. The repository may be maintained on the local computer system or a remote server. Some systems, such as [[subversion]] use a centralized model with a single repository, while others, such as [[git]] use a distributed model with local synchronized repositories.

Most systems expose their repository as something that looks similar to a file system, with directories, files, and attributes. This lets users interact with their files in a way they are already familiar with. Often the fact that a local directory structure is under the control of a revision control system is seamless to the user and applications.

== Actions ==
Once a repository is set up, a set of actions can be performed within the revision control system:
* Files and directories can be added.
* Files and directories can be ''checked out''. For a centralized system that typically entails creating a local copy of files within the repository.
* Locally performing an ''update'' with get the latest version of files and modify local files to match. For text files this might include merging changes instead of completely overwriting the file.
* ''Committing'' or ''checking in'' pushes local changes into the repository. Past versions are automatically maintained while the current revision, or ''head'', is now the latest updated version.
* ''Branching'' is effectively making a copy in the repository, where separate versions of the same file can be maintained in parallel. This is very useful in computer source code where multiple versions of an application may be maintained for years.
* ''Merging'' takes multiple versions of a file, either from branching or from a file's history, and brings them together into the current version of the file.


[[Category:Applications]]

← Older revision Revision as of 18:53, 18 July 2010 (One intermediate revision not shown)Line 1: Line 1: -'''Subversion''' ('''svn''') is a command line tool for version control. Any files can be locally or remotely stored with a revision history.  The most common uses for subversion are code repositories and document management.+'''Subversion''' is a [[revision control system]] maintained by the Apache Foundation.  Its primary interface is a command line application: '''svn'''.   Any files can be locally or remotely stored with a revision history.  The most common uses for subversion are code repositories and document management. == Usage == == Usage ==

Design: Renamed the section

← Older revision Revision as of 18:38, 18 July 2010 Line 43: Line 43: * Automatically generating edit and list pages from persistent data structures; developers will often define the basic fields or desired interfaces and these will be built into a page by the framework. * Automatically generating edit and list pages from persistent data structures; developers will often define the basic fields or desired interfaces and these will be built into a page by the framework. -== Design ==+== Implementation == All web applications take individual HTTP requests and build appropriate responses.  This can be handled in a variety of ways, somewhat dependent on the server platform. All web applications take individual HTTP requests and build appropriate responses.  This can be handled in a variety of ways, somewhat dependent on the server platform.

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← Older revision Revision as of 22:25, 12 July 2010 Line 2: Line 2: Can anyone provide a working example of progressive loading? Can anyone provide a working example of progressive loading? :Is there anything missing or incorrect in the sample code?  I've only implemented this on private web sites, but I might be able to answer your questions.  --[[User:Matt|Matt]] 14:27, 7 April 2010 (UTC) :Is there anything missing or incorrect in the sample code?  I've only implemented this on private web sites, but I might be able to answer your questions.  --[[User:Matt|Matt]] 14:27, 7 April 2010 (UTC)  +  +== amazing post ==  +  +I’ve recently started a blog, the information you provide on this site has helped me tremendously. Thank you for all of your time & work.

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← Older revision Revision as of 15:49, 3 July 2010 Line 1: Line 1: We had some quirkiness with pages at URL /wiki/C++ and /wiki/C%2B%2B redirecting to /wiki/C.  There was no explicit redirect and we all know C++ isn't exactly C.  So I did some playing around plus research on MediaWiki's site to find that mod_rewrite was causing a problem.  Both "++" and "%2B%2B" at the end of a URL were getting stripped during a mod_rewrite rule no matter what options I set.  The only solution which I've gotten to work is a mod_rewrite rule which specifically redirects /wiki/C++ to /wiki/C_plus_plus, then having C_plus_plus be a wiki redirect to C++.  You'll notice if you click on [[C++]] that is states "Redirected from C_plus_plus".  So if anyone runs into any related quirks, or has a better solution, please let me know. We had some quirkiness with pages at URL /wiki/C++ and /wiki/C%2B%2B redirecting to /wiki/C.  There was no explicit redirect and we all know C++ isn't exactly C.  So I did some playing around plus research on MediaWiki's site to find that mod_rewrite was causing a problem.  Both "++" and "%2B%2B" at the end of a URL were getting stripped during a mod_rewrite rule no matter what options I set.  The only solution which I've gotten to work is a mod_rewrite rule which specifically redirects /wiki/C++ to /wiki/C_plus_plus, then having C_plus_plus be a wiki redirect to C++.  You'll notice if you click on [[C++]] that is states "Redirected from C_plus_plus".  So if anyone runs into any related quirks, or has a better solution, please let me know. --[[User:Matt|Matt]] 18:25, 27 February 2007 (EST) --[[User:Matt|Matt]] 18:25, 27 February 2007 (EST)  +  +== thanks for the post ==  +  +What a great resource!