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Fastest way to get the first object from a queryset in django?
...n I find myself wanting to get the first object from a queryset in Django, or return None if there aren't any. There are lots of ways to do this which all work. But I'm wondering which is the most performant.
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Imitating a blink tag with CSS3 animations
...o make a piece of text blink the old-school style without using javascript or text-decoration.
9 Answers
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In Python, how does one catch warnings as if they were exceptions?
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To quote from the python handbook (27.6.4. Testing Warnings):
import warnings
def fxn():
warnings.warn("deprecated", DeprecationWarning)
with warnings.catch_warnings(record=True) as w:
# Cause all warnings to always be triggered.
warnings.simplefilter("always")
# Trigger ...
Where does gcc look for C and C++ header files?
On a Unix system, where does gcc look for header files?
9 Answers
9
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Webfont Smoothing and Antialiasing in Firefox and Opera
...by Blink since Version 15.0 -webkit-font-smoothing: antialiased does also work on Opera.
Firefox has finally added a property to enable grayscaled antialiasing. After a long discussion it will be available in Version 25 with another syntax, which points out that this property only works on OS X.
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How to send an email with Python?
This code works and sends me an email just fine:
11 Answers
11
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How to use HttpWebRequest (.NET) asynchronously?
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BeginGetResponse is not that useful for async usage. It seems to block while trying to contact the resource. Try unplugging your network cable or giving it a malformed uri, and then running this code. Instead you probably need to run GetResponse on a second t...
HTML5 Local storage vs. Session storage
...sistent and scoped only to the current window, are there any benefits (performance, data access, etc) to Session Storage over Local Storage?
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How to truncate a foreign key constrained table?
Why doesn't a TRUNCATE on mygroup work?
Even though I have ON DELETE CASCADE SET I get:
12 Answers
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How do I compile a Visual Studio project from the command-line?
I'm scripting the checkout, build, distribution, test, and commit cycle for a large C++ solution that is using Monotone , CMake , Visual Studio Express 2008, and custom tests.
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