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How do I check if the Java JDK is installed on Mac?
...sage: java_home [options...]
Returns the path to a Java home directory from the current user's settings.
Options:
[-v/--version <version>] Filter Java versions in the "JVMVersion" form 1.X(+ or *).
[-a/--arch <architecture>] Filter JVMs matching architecture (i...
Installing python module within code
I need to install a package from PyPi straight within my script.
Maybe there's some module or distutils ( distribute , pip etc.) feature which allows me to just execute something like pypi.install('requests') and requests will be installed into my virtualenv.
...
Can existing virtualenv be upgraded gracefully?
...e:
python -m venv --upgrade YOUR_VENV_DIRECTORY
I just upgraded my venv from Python 3.7.x to 3.8 on several projects without any issue.
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Preserve colouring after piping grep to grep
...e with your downstream program.
But if you want colorized output emanating from earlier commands, you need to force color codes to be produced regardless of the output sink. The forcing mechanism is program-specific.
Git: use -c color.status=always
git -c color.status=always status | grep -v .DS_Sto...
Obtaining a powerset of a set in Java
...> s:pset)
{
System.out.println(s);
}
It's from my Project Euler Library... :)
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Deserialize JSON with C#
...avaScriptSerializer. Here is the sample code by which I parse JSON content from an ashx file.
var jss = new JavaScriptSerializer();
string json = new StreamReader(context.Request.InputStream).ReadToEnd();
Dictionary<string, string> sData = jss.Deserialize<Dictionary<string, string>&g...
How to use a custom comparison function in Python 3?
...
A complete python3 cmp_to_key lambda example:
from functools import cmp_to_key
nums = [28, 50, 17, 12, 121]
nums.sort(key=cmp_to_key(lambda x, y: 1 if str(x)+str(y) < str(y)+str(x) else -1))
compare to common object sorting:
class NumStr:
def __init__(self, v)...
How to create a WPF Window without a border that can be resized via a grip only?
...ousLeftButtonDown
{
HwndSource hwndSource = PresentationSource.FromVisual((Visual)sender) as HwndSource;
SendMessage(hwndSource.Handle, 0x112, (IntPtr)61448, IntPtr.Zero);
}
And voila, A WPF window with no border and still movable and resizable without losing compatibility ...
How do I convert a org.w3c.dom.Document object to a String?
...(completely free) technology that is up to the task. I tried the solution from this thread -- Is there a more elegant way to convert an XML Document to a String in Java than this code? , where they have
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Can you turn off Peek Definition in Visual Studio 2013 and up?
...k to go to definition AND peek the definition. Very annoying. The solution from @SnowFatal will turn off the peek functionality. Resharper's option is listed as "Go to Declaration on <Control + Left Click> in the editor".
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