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Custom attributes - Yea or nay?
...ibutes in their HTML tags, mainly for the purpose of embedding some extra bits of data for use in javascript code.
14 Answe...
Recompile Heroku slug without push or config change
I'm wondering if there is a way to force Heroku to recompile the slug without pushing new commits and/or updating the config variables.
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Returning value from called function in a shell script
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A Bash function can't return a string directly like you want it to. You can do three things:
Echo a string
Return an exit status, which is a number, not a string
Share a variable
This is also true for some other shells.
Here's how to do each of those options:
1. Echo strings
loc...
how do I check in bash whether a file was created more than x time ago?
...follow
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edited Jun 9 at 21:47
answered Feb 16 '09 at 9:36
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Protected in Interfaces
Why are all methods in an interface definition implicitly public ? Why does it not allow a protected method?
13 Answer...
Wait for page load in Selenium
How do you make Selenium 2.0 wait for the page to load?
47 Answers
47
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Do the parentheses after the type name make a difference with new?
...ing" article.
Sometimes the memory returned by the new operator will be initialized, and sometimes it won't depending on whether the type you're newing up is a POD (plain old data), or if it's a class that contains POD members and is using a compiler-generated default constructor.
In C++1998 ther...
What's the difference between ContentControl and ContentPresenter?
...control templates to display content.
ContentControl, when used directly (it's supposed to be used as a base class), has a control template that uses ContentPresenter to display it's content.
My rules of thumb (not applicable in every case, use your judgment):
Inside ControlTemplate use ContentP...
Python's many ways of string formatting — are the older ones (going to be) deprecated?
...% strings, there's no surviving plan to ever deprecate the latter.
In commit Issue #14123: Explicitly mention that old style % string formatting has caveats but is not going away any time soon., inspired by issue Indicate that there are no current plans to deprecate printf-style formatting, the doc...
How do you serialize a model instance in Django?
... object and that's all what django serializers need to correctly serialize it, eg.:
from django.core import serializers
# assuming obj is a model instance
serialized_obj = serializers.serialize('json', [ obj, ])
share
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