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How do I trim whitespace?
Is there a Python function that will trim whitespace (spaces and tabs) from a string?
15 Answers
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PostgreSQL: How to change PostgreSQL user password?
How do I change the password for PostgreSQL user?
17 Answers
17
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How to get the path of a running JAR file?
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return new File(MyClass.class.getProtectionDomain().getCodeSource().getLocation()
.toURI()).getPath();
Replace "MyClass" with the name of your class.
Obviously, this will do odd things if your class was loaded from a non-file location.
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Batch renaming files with Bash
How can Bash rename a series of packages to remove their version numbers? I've been toying around with both expr and %% , to no avail.
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How to sign an android apk file
I am trying to sign my apk file. I can't figure out how to do it. I can't find good in-depth directions. I have very little programing experience, so any help would be appreciated.
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Use rvmrc or ruby-version file to set a project gemset with RVM?
I use RVM, the Ruby Version Manager to specify a Ruby version and a set of gems for each of my Rails projects.
5 Answers
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Discuz菜单栏下面广告怎么弄？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...航栏广告：广告 HTML 代码如下:<div id="dzf" class="cl"><style type="text css"...后台“运营”、“站点广告”、“广告列表 - 全局 页头二级导航栏广告”：
广告 HTML 代码如下:
<div id="dzf" class="cl">
<style type="text/css">
#dzf{padding:15px 0;line-...
const char *, char const *, char * const 异同？const修饰符各位置有何区...
const char * p = new char('a'); 这个是常字符，即p的内容不能被修改。
char const * p 意义同上，没有区别。
这时，*p = 'c'; 会报错。
char * const p = new char('a'); 这个是常指针，即p指针本身不可被修改。
这时，p = new char; 会报...
How do I access properties of a javascript object if I don't know the names?
Say you have a javascript object like this:
8 Answers
8
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How to declare variable and use it in the same Oracle SQL script?
... need to declare some variables at the beginning and reuse them in the script, such as:
10 Answers
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