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String formatting named parameters?
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guneysusguneysus
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How do I read CSV data into a record array in NumPy?
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Mike Graham
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answered Aug 19 '10 at 6:34
AndrewAndrew
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rgdal package installation
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Linux francois-K53SV 3.13.0-34-lowlatency #60-Ubuntu SMP PREEMPT Wed Aug 13 16:15:18 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
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How many random elements before MD5 produces collisions?
...20 octillion 938 septillion 463 sextillion 463 quintillion 374 quadrillion 607 trillion 431 billion 768 million 211 thousand 456.
However if you keep all the hashes then the probability is a bit higher thanks to birthday paradox. To have a 50% chance of any hash colliding with any other hash you ne...
Have a reloadData for a UITableView animate when changing
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I believe you can just update your data structure, then:
[tableView beginUpdates];
[tableView ...
Is there a limit to the length of HTML attributes?
...laration of HTML 4:
QUANTITY SGMLREF
ATTCNT 60 -- increased --
ATTSPLEN 65536 -- These are the largest values --
LITLEN 65536 -- permitted in the declaration --
NAMELEN 65536 -- Avoid fixed limits in a...
How do you find out the type of an object (in Swift)?
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The dynamicType.printClassName code is from an example in the Swift book. There's no way I know...
JavaScript hide/show element
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Sometimes JQuery isn't necessary; if this is the only thing you need to do on a page, the overhead of loading the library far outweighs t...
How do getters and setters work?
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GibboK
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answered Jan 25 '14 at 4:51
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quick random row selection in Postgres
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PostgreSQL 9.5 introduced a new approach for much faster sample selection: TABLESAMPLE
The syn...