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How to do something to each file in a directory with a batch script
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350
Command line usage:
for /f %f in ('dir /b c:\') do echo %f
Batch file usage:
for /f %%f in...
How to copy file from HDFS to the local file system
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243
bin/hadoop fs -get /hdfs/source/path /localfs/destination/path
bin/hadoop fs -copyToLocal /hdfs...
How do you check in python whether a string contains only numbers?
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Use str.isdigit:
>>> "12345".isdigit()
True
>>> "12345a".isdigit()
False
>>>
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How to create NS_OPTIONS-style bitmask enumerations in Swift?
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Swift 3.0
Almost identical to Swift 2.0. OptionSetType was renamed to OptionSet and enums are written lower case by convention.
struct MyOptions : OptionSet {
let rawValue: Int
static let firstOption = MyOptions(rawValu...
PHP json_decode() returns NULL with valid JSON?
...l json_last_error() because it's PHP 5.2.9. That function appears on PHP 5.3.0.
– Joel A. Villarreal Bertoldi
Mar 9 '10 at 15:54
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Render HTML to an image
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43
I know this is quite an old question which already has a lot of answers, yet I still spent hours...
How can I redirect the output of the “time” command?
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edited Mar 9 '10 at 12:37
Motti
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How to create a Menubar application for Mac
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133
NSStatusItem is what you are looking for. Also add LSUIElement with string value of 1 to your I...
sql ORDER BY multiple values in specific order?
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183
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WHERE
x_field IN ('f', 'p', 'i', 'a') ...
ORDER BY
CASE x_field
WHEN 'f' THEN 1
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iOS application: how to clear notifications?
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answered Dec 30 '11 at 18:42
Patrick PeriniPatrick Perini
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