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Why would a JavaScript variable start with a dollar sign? [duplicate]
...ects with $$. Please do not use the $ or $$ prefix in your code.
Source: https://docs.angularjs.org/api
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django unit tests without a db
...the ORM ... then you should use TransactionTestCase or TestCase instead.
https://docs.djangoproject.com/en/1.6/topics/testing/tools/#django.test.SimpleTestCase
mysite/scripts/settings.py
from django.test import TransactionTestCase
from django.test.runner import DiscoverRunner
class MyDisc...
Is there a standard sign function (signum, sgn) in C/C++?
... template <class T>
inline int sign (const T& z);
http://www.boost.org/doc/libs/1_47_0/libs/math/doc/sf_and_dist/html/math_toolkit/utils/sign_functions.html
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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
...ne Stroustrup where he mentions some bits and pieces of IOStreams history: www2.research.att.com/~bs/01chinese.html (this link seems to be temporarily broken right now, but you can try Google's page cache)
– stakx - no longer contributing
May 2 '10 at 11:48
...
window.onload vs document.onload
...at by the following snippet:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!--import css here-->
<!--import js scripts here-->
<scr...
What are the effects of exceptions on performance in Java?
...st too long to post here. So let me summarize here and refer you to http://www.fuwjax.com/how-slow-are-java-exceptions/ for the gritty details.
The real question here is not "How slow are 'failures reported as exceptions' compared to 'code that never fails'?" as the accepted response might have you...
How to check if an option is selected?
... $('#panel_master_user_job').val();
alert(job);
})
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select name="job" id="panel_master_user_job" class="form-control">
<option value="master">...
How do I install Python OpenCV through Conda?
...
This worked for me (on Ubuntu and conda 3.18.3):
conda install --channel https://conda.anaconda.org/menpo opencv3
The command above was what was shown to me when I ran the following:
anaconda show menpo/opencv3
This was the output:
To install this package with conda run:
conda install -...
Does “\d” in regex mean a digit?
...MAScript Matching Behavior" section in Regular Expression Options.
Info: https://docs.microsoft.com/en-us/dotnet/standard/base-types/character-classes-in-regular-expressions#decimal-digit-character-d
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How do you run a Python script as a service in Windows?
...binPath= "C:\Python34\Python.exe --C:\tmp\pythonscript.py"
References:
https://technet.microsoft.com/en-us/library/cc990289(v=ws.11).aspx
When creating a service with sc.exe how to pass in context parameters?
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