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How to create empty text file from a batch file?
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How to avoid the need to specify the WSDL location in a CXF or JAX-WS generated webservice client?
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DaveyDaveDave
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answered Mar 26 '12 at 16:10
KyleKyle
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Select last N rows from MySQL
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238
You can do it with a sub-query:
SELECT * FROM (
SELECT * FROM table ORDER BY id DESC LIMIT...
Unix shell script find out which directory the script file resides?
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edited Feb 28 '16 at 3:37
James Ko
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answ...
Difference between rake db:migrate db:reset and db:schema:load
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db:migrate runs (single) migrations that have not run yet.
db:create creates the database
db:...
What is the difference between JOIN and UNION?
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UNION puts lines from queries after each other, while JOIN makes a cartesian product and subse...
How to initialize a dict with keys from a list and empty value in Python?
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dict.fromkeys([1, 2, 3, 4])
This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
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Get first n characters of a string
...ngths on trimmed and untrimmed strings):
$string = (strlen($string) > 13) ? substr($string,0,10).'...' : $string;
So you will get a string of max 13 characters; either 13 (or less) normal characters or 10 characters followed by '...'
Update 2:
Or as function:
function truncate($string, $len...
setting multiple column using one update
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344
Just add parameters, split by comma:
UPDATE tablename SET column1 = "value1", column2 = "val...