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Fastest way to determine if record exists
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@Declan_K: seems like my magic sphere failed in this case and a column entitled as id isn't PK. So +1 to your advice.
– zerkms
Aug 7 '13 at 22:00
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Check whether variable is number or string in JavaScript
...ing(str) { return typeof str === 'string' } some Java-convert can be using my method like so var myString = new String("stuff I like"); isString(myString) this returns false. Also, I'm not exactly sure how long the backgroiund conversion lasts, I know when I call "hi".length, "hi" gets converted int...
LaTeX table positioning
...phasizing that "H" should be used and not "h". That is what I observed for myself.
– bikashg
Aug 1 '11 at 9:11
@bikash...
How to recursively delete an entire directory with PowerShell 2.0?
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Interesting. I do have cygwin tools on my box, and had tried rm -rf folder and of course it failed. I initially down voted the answer (because it said Ubuntu). Thanks to the comment by @chwarr, I tried it without the f and it picked up the alias rather than rm bin...
How to get cumulative sum
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FWIW, I've had my knuckles smacked when doing this by a DBA. I think the reason is it gets really expensive, really quick. That being said, this is a great interview question, as most data analysts/scientists should have had to solve this p...
How to get week number in Python?
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This is a little late. But on my machine, date(2010, 1, 1).isocalendar()[1] returns 53. From the docs: "For example, 2004 begins on a Thursday, so the first week of ISO year 2004 begins on Monday, 29 Dec 2003 and ends on Sunday, 4 Jan 2004, so that date(...
Git alias with positional parameters
...ents (which is dangerous in general). Also, a function is unnecessary. See my answer for more explanation.
– Tom Hale
Sep 16 '16 at 3:56
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How to get an absolute file path in Python
Given a path such as "mydir/myfile.txt" , how do I find the file's absolute path relative to the current working directory in Python? E.g. on Windows, I might end up with:
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What is the javascript MIME type for the type attribute of a script tag? [duplicate]
...t this is the first page I've found on the topic with any sense about it.
My collective research suggests:
text/javascript as Keparo stated must be used in html4 and xhtml1 if you want it to validate. Though browsers ignore it.
application/javascript is expected to be the new official MIME type i...
Programmatically register a broadcast receiver
...an I don't have to create a broadcast receiver class? I could just put all my onReceive() code here and it'd work?
– Taslim Oseni
Dec 22 '17 at 12:07
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