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Remove rows with all or some NAs (missing values) in data.frame
...ow. Much slower than e.g. the aforementioned complete.cases() solution. At least, in my case, on xts data.
– Dave
Jan 17 '19 at 10:53
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How do I convert a String object into a Hash object?
...tions.
It executes whatever it is passed, you must be 110% sure (as in, at least no user input anywhere along the way) it would contain only properly formed hashes or unexpected bugs/horrible creatures from outer space might start popping up.
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UIButton: set image for selected-highlighted state
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The array version didn't work for me. (at least during setImage)
– huggie
Apr 25 '16 at 7:46
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Guid.NewGuid() vs. new Guid()
...ed a "special" guid at some point, and the all-0 guid is probably the guid least likely to violate the principal of least surprise for future maintainers of the code.
– PeterL
Aug 13 '12 at 19:32
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Padding between ActionBar's home icon and title
...tStart puts space between the home icon and the title, the answer could at least say so. My test just now with contentInsetStart seemed to put the space before the logo (which admittedly is not the same as the home icon).
– LarsH
Jul 25 '17 at 0:24
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Getting All Variables In Scope
...f (window.hasOwnProperty(i)) { console.log(i, window[i]); }}. This will at least cut down the inherited properties and your variables will be among only about 50 other properties.
– timctran
Jun 10 '15 at 20:30
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How can I get browser to prompt to save password?
... @Bigood Because it works while the accepted answer didn't (for me, at least). Thanks spetson!
– Double M
Feb 9 '17 at 14:45
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Difference between os.getenv and os.environ.get
...also includes os.environ vs. os.environ.get() so this answer correct in at least some ways - incomplete, but correct.
– FKEinternet
Jul 1 '19 at 18:12
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MySQL load NULL values from CSV data
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I can verify that at least for "phpMyAdmin 3.5.5" no style of \N is accepted as denoting NULL. Instead use NULL, as in this example: "name","age",NULL,"other","stuff"
– Jonathon
Aug 25 '13 at 2:05
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Why is the shovel operator (
...ived objects is essentially free in any halfway decent modern GC. It is at least as fast as stack allocation in C and significantly faster than malloc / free. Also, some more modern Ruby implementations will probably optimize the object allocation and the string concatenation away completely. OTOH, ...