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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
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Copied verbatim from http://cocoaheads.tumblr.com/post/17757846453/objective-c-literals-for-nsdictionary-nsarray-and:
Objective-C literals: one can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create literals for NSString)
NSArray Literals
Previously...
MongoDB SELECT COUNT GROUP BY
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edited Apr 16 '14 at 17:47
Steven
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How to len(generator()) [duplicate]
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62
Generators have no length, they aren't collections after all.
Generators are functions with a ...
Calculate difference in keys contained in two Python dictionaries
...de.
– Laurent LAPORTE
Nov 20 '13 at 6:52
1
FWIW, set(dictb) is probably better than set(dictb.key...
How to use timeit module
... Fermi paradox
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answered Nov 22 '11 at 1:38
Raymond HettingerRaymond Hettinger
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Get URL query string parameters
... print_r($_SERVER) to find related values
– user557846
Dec 12 '11 at 3:58
22
note: $_SERVER['QUER...
How to apply a function to two columns of Pandas dataframe
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0 1.000000 0.000000
1 -0.494375 0.570994
2 1.000000 0.000000
3 1.876360 -0.229738
4 1.000000 0.000000
In [50]: def f(x):
....: return x[0] + x[1]
....:
In [51]: df.apply(f, axis=1) #passes a Series object, row-wise
Out[51]:
0 1.000000
1 0.076619
2 1.000000
3 1...
Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
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answered Mar 13 '12 at 16:45
Matthew WaltonMatthew Walton
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Given a view, how do I get its viewController?
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edited Feb 14 at 12:46
Tamás Sengel
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How can I perform a str_replace in JavaScript, replacing text in JavaScript?
...e(re, "def") // saved regex
</script>
The results for Chrome 68 are as follows:
String replace: 9,936,093 operations/sec
Saved regex: 5,725,506 operations/sec
Regex: 5,529,504 operations/sec
New Regex String: 3,571,180 operations/sec
New Regex: 3,224,919 ...