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Setting an environment variable before a command in Bash is not working for the second command in a
In a given shell, normally I'd set a variable or variables and then run a command. Recently I learned about the concept of prepending a variable definition to a command:
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Select row with most recent date per user
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wow! not only did this work, i was allowed to create a view with this query even though it contains subqueries. before, when i tried to create a view containing subqueries, it didn't let me. are there rules as to why this is allowed but another one isn't?
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How to extract numbers from a string in Python?
I would extract all the numbers contained in a string. Which is the better suited for the purpose, regular expressions or the isdigit() method?
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How to manually send HTTP POST requests from Firefox or Chrome browser?
...ome URLs on a web application I'm working on. For that I would like to manually create HTTP POST requests (meaning I can add whatever parameters I like).
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Where can I download Spring Framework jars without using Maven?
...is maven repo where you could download from directly a zip file containing all the jars you need.
http://maven.springframework.org/release/org/springframework/spring/
http://repo.spring.io/release/org/springframework/spring/
Alternate solution: Maven
The solution I prefer is using Maven, it is eas...
Can I arrange repositories into folders on Github?
I am new to git and what I am doing now is to upload all my recent projects as repositories to github. There are a lot of different projects like webdesign, wordpress themes and different types of applications. And some of these also belong to bigger projects because they were about testing some stu...
jQuery parent of a parent
...ou might try
$(this).parents(':eq(1)');
The .parents(selector) says get all ancestors that match the selector
and the :eq(1) says find the oneth (zero-indexed, so the second) element in the list
share
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Moving project to another folder in Eclipse
I generally have my working projects sitting on folders on my Desktop. When they are completed I just move them to a c:\dev\ . The thing is I'm doing it in a rather archaic way.
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自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
...configure 输出Makefile文件
2、make 输出二进制
3、make install 安装二进制到指定目录
make及make install的规则都需要参照Makefile文件，而Makefile是自动生成的，大家有兴趣可以查看下Makefile，代码很长很复杂。当然我们可以直接在Mak...
How does a garbage collector avoid an infinite loop here?
...wo seconds, the CLR just kills the process - no more Finalize methods are called. Also, if it takes more then 40 seconds to call all objects' Finalize methods, again, the CLR just kills the process.
Also, as Servy mentions, it has its own thread.
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