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Subprocess changing directory
... example, to execute ls in the root directory, you either can do
wd = os.getcwd()
os.chdir("/")
subprocess.Popen("ls")
os.chdir(wd)
or simply
subprocess.Popen("ls", cwd="/")
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Extract file basename without path and extension in bash [duplicate]
...k in all recent (post 2004) POSIX compliant shells, (e.g. bash, dash, ksh, etc.).
Source: Shell Command Language 2.6.2 Parameter Expansion
More on bash String Manipulations: http://tldp.org/LDP/LG/issue18/bash.html
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How do I create a foreign key in SQL Server?
... with EF4, so that I knew which contact table entry was for buyer, seller, etc.
– Tracker1
Jul 30 '12 at 21:30
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How can a Java program get its own process ID?
...s
Make sure you have jna-platform.jar then:
int pid = Kernel32.INSTANCE.GetCurrentProcessId();
Unix
Declare:
private interface CLibrary extends Library {
CLibrary INSTANCE = (CLibrary) Native.loadLibrary("c", CLibrary.class);
int getpid ();
}
Then:
int pid = CLibrary.INSTANCE.get...
How to extract base URL from a string in JavaScript?
...
There is no reason to do splits to get the path, hostname, etc from a string that is a link. You just need to use a link
//create a new element link with your link
var a = document.createElement("a");
a.href="http://www.sitename.com/article/2009/09/14/this-is-an-article/";
//hide it...
Vim clear last search highlighting
...ters that hold text, sometimes for yanked data, sometimes for last search, etc. When you do a search, vim puts the pattern in the "/" register, which you reference using @/. You can also assign values to registers using @regname=value where regname is the is the name of the register. So, @/="" is si...
Create table with jQuery - append
...lt;/table>), and $('<tr/>') instead of $('<tr></tr>), etc.
– phyatt
Feb 28 '18 at 14:08
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How to initialize static variables
... "type_a"=>"Type A",
"type_b"=>"Type B",
//... etc.
);
}
}
Wherever you need the list, simply call the getter method. For example:
if (array_key_exists($type, MyClass::getTypeList()) {
// do something important...
}
...
How do I do a Date comparison in Javascript? [duplicate]
... milliseconds so you just divide by 1000 for seconds, then 60 for minutes, etc.
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Can I convert long to int?
...he unchecked keyword (as shown in this answer and @ChrisMarisic's comment, etc.) is not needed, and int myIntValue = (int)myLongValue is exactly equivalent. However do note that regardless of whether you use the unchecked keyword or not, you're getting the non-mathematical rude truncation behavior d...