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How persistent is localStorage?
...Cookies" when Time range is "Everything" (via nsICookieManager::removeAll)
https://developer.mozilla.org/en/DOM/Storage
In DOM Storage it is not possible to specify an expiration period for any of your data. All expiration rules are left up to the user. In the case of Mozilla, most of those rules ar...
Can I have multiple primary keys in a single table?
Can I have multiple primary keys in a single table?
12 Answers
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connecting to MySQL from the command line
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See here http://dev.mysql.com/doc/refman/5.0/en/connecting.html
mysql -u USERNAME -pPASSWORD -h HOSTNAMEORIP DATABASENAME
The options above means:
-u: username
-p: password (**no space between -p and the password text**)
-h: host
la...
What is the maximum depth of the java call stack?
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It depends on the amount of virtual memory allocated to the stack.
http://www.odi.ch/weblog/posting.php?posting=411
You can tune this with the -Xss VM parameter or with the Thread(ThreadGroup, Runnable, String, long) constructor.
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Python, Matplotlib, subplot: How to set the axis range?
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As found in http://www.mofeel.net/582-comp-soft-sys-matlab/54166.aspx
pylab.ylim([0,1000])
Note: The command has to be executed after the plot!
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PHP - Merging two arrays into one array (also Remove Duplicates)
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array_unique(array_merge($array1,$array2), SORT_REGULAR);
http://se2.php.net/manual/en/function.array-unique.php
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How to find all occurrences of an element in a list?
index() will just give the first occurrence of an item in a list. Is there a neat trick which returns all indices in a list for an element?
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How to serialize a TimeSpan to XML
... happily use the approach you've posted; it is (for example) efficient (no complex parsing etc), culture independent, unambiguous, and timestamp-type numbers are easily and commonly understood.
As an aside, I often add:
[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
This just hi...
Exclude a directory from git diff
...). I'm creating a diff for our entire software release using the git diff command. However the changes to the specs are irrelevant for this procedure, and just create headaches. now I know i can do
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