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Regex to test if string begins with http:// or https://
...
JakeTheSnake
2,32433 gold badges1111 silver badges2222 bronze badges
answered Jan 10 '11 at 2:03
cdhowiecdhowie
...
How do I unload (reload) a Python module?
...t has already been imported by using the reload builtin function (Python 3.4+ only):
from importlib import reload
import foo
while True:
# Do some things.
if is_changed(foo):
foo = reload(foo)
In Python 3, reload was moved to the imp module. In 3.4, imp was deprecated in favor ...
Benchmarking small code samples in C#, can this implementation be improved?
...d.
– Mike Dunlavey
Jun 26 '09 at 12:49
2
I just updated to use Stopwatch.StartNew. Not a function...
How to check for an undefined or null variable in JavaScript?
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24 Answers
24
Active
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Bypass popup blocker on window.open when JQuery event.preventDefault() is set
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144
Popup blockers will typically only allow window.open if used during the processing of a user ev...
CSS force image resize and keep aspect ratio
...px;
width: auto;
height: auto;
}
<p>This image is originally 400x400 pixels, but should get resized by the CSS:</p>
<img width="400" height="400" src="http://i.stack.imgur.com/aEEkn.png">
This will make image shrink if it's too big for specified area (as downside, i...
How slow are .NET exceptions?
...
4
Yes, people should certainly be aware that there's a performance cost associated with using exceptions inappropriately. I just think it's a ...
Where is the Java SDK folder in my computer? Ubuntu 12.04
...:
Step 2:
$ ls -l /usr/bin/java
lrwxrwxrwx 1 root root 22 2009-01-15 18:34 /usr/bin/java -> /etc/alternatives/java
So, now we know that /usr/bin/java is actually a symbolic link to /etc/alternatives/java.
Dig deeper using the same method above:
Step 3:
$ ls -l /etc/alternatives/java
lrwxrw...
In Python, what is the difference between “.append()” and “+= []”?
...ormance: append is twice as fast.
Python 3.0 (r30:67507, Dec 3 2008, 20:14:27) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import timeit
>>> timeit.Timer('s.append("something")', 's = []').timeit()
0.201774244999...
AsyncTask and error handling on Android
...s anymore
– Bostone
Nov 16 '09 at 5:47
5
Is this the way I should hold onto the Throwable or Exce...