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typeof for RegExp
...ly to distinguish different kinds of objects. Note that this specification does not provide any means for a program to access that value except through Object.prototype.toString (see 15.2.4.2).
A RegExp is a class of object defined in the spec at Section 15.10 RegExp(RegularExpression)Objects:
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What is the difference between atan and atan2 in C++?
... at the values of the sine and cosine separately. And this is what atan2() does. It takes both, the sin(α) and cos(α) and resolves all four quadrants by adding π to the result of atan() whenever the cosine is negative.
Remark: The atan2(y, x) function actually takes a y and a x argument, which i...
Constructors in JavaScript objects
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@Jeach yes it does. I've provided an alternative snippet that hides color. I'd suggest which you use is largely down to personal preference (protection vs. simplicity)
– Nick
Jun 24 '12 at 12:43
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The term “Context” in programming? [closed]
...le your mouth heals.
You arrive at a nice sunny destination, but your bag doesn't make it. It's lost somewhere in the airport system. So, you take your "baggage claim ticket" (that sticker with the barcode on it) to the "Lost Baggage office". The first thing the person behind the desk will ask for ...
How do I discard unstaged changes in Git?
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This pollutes the stash stack. git checkout -- . does the job with one command only.
– Felipe Tonello
Sep 9 '15 at 11:17
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Android: how to check if a View inside of ScrollView is visible?
...e ScrollView ). I would expect the below code to do this, surprisingly it does not:
14 Answers
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Difference between SPI and API?
... a goal.
Put differently, the API tells you what a specific class/method does for you, and the SPI tells you what you must do to conform.
Usually API and SPI are separate. For example, in JDBC the Driver class is part of the SPI: If you simply want to use JDBC, you don't need to use it directly, ...
Understanding NSRunLoop
...onitoring those sources on the thread that is running the run loop.
does it mean that sometimes i can use run loop to block thread for a time
Indeed. In fact, a run loop will "stay" in an event handler until that event handler has returned. You can see this in any app simply enough. I...
How to simulate a click by using x,y coordinates in JavaScript?
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This does not appear to work with $.live() events, does anyone how to make it work with events created with $.live() as well?
– ActionOwl
Aug 30 '11 at 20:50
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How to get relative path from absolute path
...hod worked best for me. You need to remember that Uri treats a folder that doesn't end with a path separator as a file (use c:\foo\bar\ instead of c:\foo\bar if bar is a folder).
– VVS
Jun 2 '09 at 12:12
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