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What is the best way to clear a session variable in rails?
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ndnenkov
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answered Oct 22 '10 at 10:34
SigurdSigurd
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How to compare two dates?
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505
Use the datetime method and the operator < and its kin.
>>> from datetime import d...
How to parse a JSON string to an array using Jackson
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answered Aug 30 '11 at 16:26
mmutilvammutilva
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“Keep Me Logged In” - the best approach
.... That means that there are:
possibilities = 2^128
possibilities = 3.4 * 10^38
Now, to show how absurdly large that number is, let's imagine every server on the internet (let's say 50,000,000 today) trying to brute-force that number at a rate of 1,000,000,000 per second each. In reality your serv...
Ruby class types and case statements
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answered Oct 11 '10 at 17:11
NakilonNakilon
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TSQL - Cast string to integer or return default value
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If you are on SQL Server 2012 (or newer):
Use the TRY_CONVERT function.
If you are on SQL Server 2005, 2008, or 2008 R2:
Create a user defined function. This will avoid the issues that Fedor Hajdu mentioned with regards to currency, fractional numbers...
How to keep one variable constant with other one changing with row in excel
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Use this form:
=(B0+4)/$A$0
The $ tells excel not to adjust that address while pasting the formula into new cells.
Since you are dragging across rows, you really only need to freeze the row part:
=(B0+4)/A$0
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How to start an application without waiting in a batch file?
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309
I'm making a guess here, but your start invocation probably looks like this:
start "\Foo\Bar\P...
git cherry-pick not working
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cdhowiecdhowie
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Strange \n in base64 encoded string in Ruby
...at confusing, the b64encode method is supposed to add a newline for every 60th character, and the example for the encode64 method is actually using the b64encode method.
It seems the pack("m") method for the Array class used by encode64 also adds the newlines. I would consider it a design bug that ...