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How to assign the output of a Bash command to a variable? [duplicate]
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In shell you assign to a variable without the dollar-sign:
TEST=`pwd`
echo $TEST
that's better (and can be nested) but is not as portable as the backtics:
TEST=$(pwd)
echo $TEST
Always remember: the dollar-sign is only used when reading a variable.
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Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
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The code marked @Before is executed before each test, while @BeforeClass runs once before the entire test fixture. If your test class has ten tests, @Before code will be executed ten times, but @BeforeClass will be executed only once.
In general, you use @BeforeClass when...
Does a method's signature in Java include its return type?
...el, "return type" is part of method signature. Consider this
public class Test1 {
public Test1 clone() throws CloneNotSupportedException {
return (Test1) super.clone();
}
}
in bytecode there are 2 clone() methods
public clone()LTest1; throws java/lang/CloneNotSupportedException...
github markdown colspan
... and was pleased that the colspan worked fine with consecutive pipes ||
Tested on v4.5 (latest on macports) and the v5.4 (latest on homebrew). Not sure why it doesn't work on the live preview site you provide.
A simple test that I started with was:
| Header ||
|--------------|
| 0 | 1 |
usin...
How to get href value using jQuery?
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It works... Tested in IE8 (don't forget to allow javascript to run if you're testing the file from your computer) and chrome.
share
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i...
How to write logs in text file when using java.util.logging.Logger
... logger with handler and formatter
fh = new FileHandler("C:/temp/test/MyLogFile.log");
logger.addHandler(fh);
SimpleFormatter formatter = new SimpleFormatter();
fh.setFormatter(formatter);
// the following statement is used to log any messages
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How do I encode/decode HTML entities in Ruby?
...code the characters, you can use CGI.escapeHTML:
string = CGI.escapeHTML('test "escaping" <characters>')
To decode them, there is CGI.unescapeHTML:
CGI.unescapeHTML("test &quot;unescaping&quot; &lt;characters&gt;")
Of course, before that you need to include the CGI librar...
Setting a system environment variable from a Windows batch file?
... where and then the name of the program (so in this case where setx.exe in testing this on a Server 2008 and Server 2008SP2 box I found that in both cases it existed at %windir%\System32\setx.exe
– aolszowka
Sep 20 '13 at 16:34
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linux svn搭建配置及svn命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... co
2、往版本库中添加新的文件
svn add file
例如：svn add test.php(添加test.php)
svn add *.php(添加当前目录下所有的php文件)
3、将改动的文件提交到版本库
svn commit -m “LogMessage“ [-N] [--no-unlock] PATH(如果选择了保持锁，就使用–no-...
Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
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The definition of regular expressions is equivalent to the fact that a test of whether a string matches the pattern can be performed by a finite automaton (one different automaton for each pattern). A finite automaton has no memory - no stack, no heap, no infinite tape to scribble on. All it has...