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Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]
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add column to mysql table if it does not exist
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49
Note that INFORMATION_SCHEMA isn't supported in MySQL prior to 5.0. Nor are stored procedures ...
Why are floating point numbers inaccurate?
...). A very simple number, say 9.2, is actually this fraction:
5179139571476070 * 2 -49
Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossible to represent some decimal numbers this way is that both the exponent and the mantissa must be integers. In other wor...
Installing Ruby Gem in Windows
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answered Sep 20 '13 at 5:10
MirageMirage
1,3691313 silver b...
How to convert a currency string to a double with jQuery or Javascript?
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492
Remove all non dot / digits:
var currency = "-$4,400.50";
var number = Number(currency.replac...
Is there a way to make a PowerShell script work by double clicking a .ps1 file?
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answered Apr 13 '12 at 8:04
David BrabantDavid Brabant
34.5k1212 gold badges7474 silver badges9898 bronze badges
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Get last n lines of a file, similar to tail
...f tail( f, lines=20 ):
total_lines_wanted = lines
BLOCK_SIZE = 1024
f.seek(0, 2)
block_end_byte = f.tell()
lines_to_go = total_lines_wanted
block_number = -1
blocks = [] # blocks of size BLOCK_SIZE, in reverse order starting
# from the end of the file
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Cancel a UIView animation?
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114
The way I do it is to create a new animation to your end point. Set a very short duration and ma...
PHP Get all subdirectories of a given directory
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answered Mar 26 '10 at 14:58
ghostdog74ghostdog74
269k4848 gold badges233233 silver badges323323 bronze badges
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Retrieve list of tasks in a queue in Celery
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