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Fragments within Fragments
I'm wondering if this is actually a bug in the Android API:
6 Answers
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How can I recover a removed file in Mercurial (if at all)?
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Quote from comment:
I set up a repository, committed all, Removed and then committed again
If this is the case then you just need to update the working directory to the previous revision:
$ hg update -C -r-2
Note the negative revision number....
Cartesian product of x and y array points into single array of 2D points
I have two numpy arrays that define the x and y axes of a grid. For example:
13 Answers
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What is the difference between
Can some one please describe the usage of the following characters which is used in ERB file:
7 Answers
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TSQL - Cast string to integer or return default value
...TE FUNCTION dbo.TryConvertInt(@Value varchar(18))
RETURNS int
AS
BEGIN
SET @Value = REPLACE(@Value, ',', '')
IF ISNUMERIC(@Value + 'e0') = 0 RETURN NULL
IF ( CHARINDEX('.', @Value) > 0 AND CONVERT(bigint, PARSENAME(@Value, 1)) <> 0 ) RETURN NULL
DECLARE @I bigint =
C...
Is jQuery “each()” function synchronous?
...early ALL JavaScript is synchronous. The only exceptions are AJAX, timers (setTimeout and setInterval), and HTML5 Web Workers.
Your problem is probably somewhere else in your code.
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Check if a given key already exists in a dictionary
...anted to always ensure a default value for any key you can either use dict.setdefault() repeatedly or defaultdict from the collections module, like so:
from collections import defaultdict
d = defaultdict(int)
for i in range(100):
d[i % 10] += 1
but in general, the in keyword is the best way...
Length of an integer in Python
In Python, how do you find the number of digits in an integer?
22 Answers
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Who is listening on a given TCP port on Mac OS X?
On Linux, I can use netstat -pntl | grep $PORT or fuser -n tcp $PORT to find out which process (PID) is listening on the specified TCP port. How do I get the same information on Mac OS X?
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Which one will execute faster, if (flag==0) or if (0==flag)?
Interview question: Which one will execute faster, if (flag==0) or if (0==flag) ? Why?
16 Answers
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