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What is the purpose of class methods?
I'm teaching myself Python and my most recent lesson was that Python is not Java , and so I've just spent a while turning all my Class methods into functions.
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What is the lifetime of a static variable in a C++ function?
... is declared as static in a function's scope it is only initialized once and retains its value between function calls. What exactly is its lifetime? When do its constructor and destructor get called?
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Xcode Simulator: how to remove older unneeded devices?
...quit xcode so you are forced to install again.
– Alejandro Luengo
Jan 16 '13 at 9:17
That's right Alejandro, Apple see...
Android buildscript repositories: jcenter VS mavencentral
The last time I used Android Studio, it generated .gradle files with mavencentral() buildscript repositories whereas now there's jcenter() .
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Remove URL parameters without refreshing page
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TL;DR
1- To modify current URL and add / inject it (the new modified URL) as a new URL entry to history list, use pushState:
window.history.pushState({}, document.title, "/" + "my-new-url.html");
2- To replace current URL without adding it to history en...
How to make the tab character 4 spaces instead of 8 spaces in nano?
...d idea to convert tabs to spaces.
Edit your ~/.nanorc file (or create it) and add:
set tabsize 4
set tabstospaces
If you already got a file with tabs and want to convert them to spaces i recommend the expandcommand (shell):
expand -4 input.py > output.py
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Is there an easy way to pickle a python function (or otherwise serialize its code)?
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You could serialise the function bytecode and then reconstruct it on the caller. The marshal module can be used to serialise code objects, which can then be reassembled into a function. ie:
import marshal
def foo(x): return x*x
code_string = marshal.dumps(foo.func...
Print multiple arguments in Python
...al score for "+str(name)"+ is "+str(score))
– Snakes and Coffee
Mar 8 '13 at 4:46
5
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Vertically centering Bootstrap modal window
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This does the job : http://jsfiddle.net/sRmLV/1140/
It uses a helper-div and some custom css. No javascript or jQuery required.
HTML (based on Bootstrap's demo-code)
<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">Launch demo modal</button>
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xcopy file, rename, suppress “Does xxx specify a file name…” message
This seems pretty simple and maybe I'm just overlooking the proper flag , but how would I, in one command, copy a file from one directory to another and rename it in the destination directory? Here's my command:
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