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What is WEB-INF used for in a Java EE web application?
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This is why a lot of projects put their resources like JSP files, JARs/libraries and their own class files or property files or any other sensitive information in the WEB-INF folder. Otherwise they would be accessible by using a simple static URL (usefull to load CSS or Javascript for instance)....
Classpath including JAR within a JAR
...ing to create a single jar that contains your application and its required libraries, there are two ways (that I know of) to do that. The first is One-Jar, which uses a special classloader to allow the nesting of jars. The second is UberJar, (or Shade), which explodes the included libraries and pu...
OO Design in Rails: Where to put stuff
...odular. A fairly popular answer is to just use modules (usually stashed in lib) that hold groups of methods, and then include the modules into the appropriate classes. This helps in cases where you have categories of functionality that you wish to reuse in multiple classes, but where the functionali...
To prevent a memory leak, the JDBC Driver has been forcibly unregistered
...essages when there's a JDBC 4.0 compatible driver in the webapp's /WEB-INF/lib which auto-registers itself during webapp's startup using the ServiceLoader API, but which did not auto-deregister itself during webapp's shutdown. This message is purely informal, Tomcat has already taken the memory leak...
ImportError: No module named site on Windows
...n User, although it may work for User too): PYTHONPATH, set to C:\Python27\Lib. PYTHONHOME, set to C:\Python27.
Hope this helps!
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jQuery UI DatePicker - Change Date Format
...d paste in head tag :
<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
<script src="http://ajax.google...
How to add multiple files to Git at the same time
...O
2: unchanged +1/-1 index.html
3: unchanged +5/-1 lib/simplegit.rb
*** Commands ***
1: status 2: update 3: revert 4: add untracked
5: patch 6: diff 7: quit 8: help
What now>
If you press 2 then enter you will get a list of available ...
Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
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you need to copy the files
cp /path/to/solr/example/lib/ext/* /path/to/tomcat/lib
cp /path/to/solr/example/resources/* /path/to/tomcat/lib // or inside extracted solr
and then restart tomcat
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从一个开发的角度看负载均衡和LVS - 更多技术 - 清泛网 - 专注C/C++及内核技术
...标地址修改DNAT）、修改目标MAC（DR模式）来实现。
那么为什么LVS是在第四层做负载均衡？
首先LVS不像HAProxy等七层软负载面向的是HTTP包，所以七层负载可以做的URL解析等工作，LVS无法完成。其次，某次用户访问是与服务端...
“/usr/bin/ld: cannot find -lz”
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I had the exact same error, and like you, installing zlib1g-dev did not fix it. Installing lib32z1-dev got me past it. I have a 64 bit system and it seems like it wanted the 32 bit library.
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