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Printf width specifier to maintain precision of floating-point value
...ich can be applied to a floating point specifier that would automatically format the output to the necessary number of significant digits such that when scanning the string back in, the original floating point value is acquired?
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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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Is it possible to specify a different ssh port when using rsync?
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Another option, in the host you run rsync from, set the port in the ssh config file, ie:
cat ~/.ssh/config
Host host
Port 2222
Then rsync over ssh will talk to port 2222:
rsync -rvz --progress --remove-sent-files ./dir user@host:/path
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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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