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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
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csv.Error: iterator should return strings, not bytes
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Generating v5 UUID. What is name and namespace?
...archy of (very probably) unique UUIDs.
Roughly speaking, a type 3 or type 5 UUID is generated by hashing together a namespace identifier with a name. Type 3 UUIDs use MD5 and type 5 UUIDs use SHA1. Only 128-bits are available and 5 bits are used to specify the type, so all of the hash bits don't ma...
Java regular expression OR operator
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151
You can just use the pipe on its own:
"string1|string2"
for example:
String s = "string1, s...
Creating a directory in CMake
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254
When do you want to create the directory?
At build system generation
To create a directory wh...
Getting a 'source: not found' error when using source in a bash script
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gunsguns
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Media Queries - In between two widths
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answered Dec 23 '12 at 5:19
SampsonSampson
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Filter Fiddler traffic
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185
Fiddler's Filters tab can do this - set the 'Hosts' dropdown to 'Show only the following hosts' ...
MySQL convert date string to Unix timestamp
...onvert DATETIME to UNIX timestamp:
SELECT UNIX_TIMESTAMP(STR_TO_DATE('Apr 15 2012 12:00AM', '%M %d %Y %h:%i%p'))
Here's an example of how to change date format:
SELECT FROM_UNIXTIME(UNIX_TIMESTAMP(STR_TO_DATE('Apr 15 2012 12:00AM', '%M %d %Y %h:%i%p')),'%m-%d-%Y %h:%i:%p')
Documentation: UNIX_TIMEST...
