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SQL: How to get the count of each distinct value in a column?
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Output array to CSV in Ruby
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answered Jan 27 '11 at 22:04
Dylan MarkowDylan Markow
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Python: fastest way to create a list of n lists
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105
The probably only way which is marginally faster than
d = [[] for x in xrange(n)]
is
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Formatting Phone Numbers in PHP
... SMS app and need to be able to convert the sender's phone number from +11234567890 to 123-456-7890 so it can be compared to records in a MySQL database .
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Scala @ operator
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180
It enables one to bind a matched pattern to a variable. Consider the following, for instance:
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“Ago” date/time functions in Ruby/Rails
...y in Rails to calculate time stamp like - half a minute ago, 2 minute ago, 1 day ago etc. Something like twitter real time date stamp.
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How to modify memory contents using GDB?
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122
The easiest is setting a program variable (see GDB: assignment):
(gdb) l
6 {
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How Do I Document Packages in Java?
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As of 1.5 you can define a package-info.java file and provide a standard javadoc style comment for a package:
com/foo/package-info.java:
/**
* com.foo is a group of bar utils for operating on foo things.
*/
package com.foo;
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How to remove specific elements in a numpy array
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10 Answers
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PHP append one array to another (not array_push or +)
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12 Answers
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