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How to check for a valid Base64 encoded string
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William
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answered Jun 10 '11 at 16:35
Anirudh RamanathanAnirudh Ramanathan...
What is the difference between Int and Integer?
...ers may
recognise the "bignum" type here.
"Int" is the more common 32 or 64 bit
integer. Implementations vary,
although it is guaranteed to be at
least 30 bits.
Source: The Haskell Wikibook. Also, you may find the Numbers section of A Gentle Introduction to Haskell useful.
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
...ur use case, you might also want to know if the 8G in the system come from 2x4GB sticks or 4x2GB sticks.
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Why is using 'eval' a bad practice?
...actice because eval and exec are frequently used in the wrong place.
EDIT 2:
It looks like some disagree that eval is 'very dangerous and insecure' in the OP case. That might be true for this specific case but not in general. The question was general and the reasons I listed are true for the gener...
How do I get IntelliJ to recognize common Python modules?
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209
Just create and add Python SDK
File -> Project Structure -> Project -> Project SDK -...
SPAN vs DIV (inline-block)
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Danger14
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answered Oct 23 '09 at 2:11
cletuscletus
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Find MongoDB records where array field is not empty
...lution:
ME.find({ pictures: { $exists: true, $ne: [] } })
Since MongoDB 2.6 release, you can compare with the operator $gt but could lead to unexpected results (you can find a detailled explanation in this answer):
ME.find({ pictures: { $gt: [] } })
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Most tricky/useful commands for gdb debugger [closed]
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How can I quantify difference between two images?
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How can I edit a view using phpMyAdmin 3.2.4?
I need to simply edit a very complicated view in phpMyAdmin 3.2.4 but I cannot figure how to do that. Any suggestions?
Thanks!
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