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Is it possible for a computer to “learn” a regular expression by user-provided examples?
...at most modern "regular expressions" used in programming languages are actually stronger than regular languages, and therefore sometimes harder to learn.
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How do you determine what technology a website is built on? [closed]
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There are all sorts of things you can look out for, but it doesn't really give you any certainty as to the technology behind a site. In general, information like that is something people will want to hide, as the more information that ...
Pipe subprocess standard output to a variable [duplicate]
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@Insomaniacal In this case, I knew usage is generally dumped to stderr. But in general, a simple test is to cmd > /dev/null if you still see output it's going to stderr. Confirm by piping stderr cmd 2> /dev/null and it should vanish into /dev/null.
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npm ERR cb() never called
... Workaround helped, but for the same error but during module installation (grunt-contrib-yuidoc), thanks.
– Wiseman
Jul 22 '13 at 13:39
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Android: Clear Activity Stack
... navigates to login Screen and from there user can exit by cancel button (calling system.exit(0) )
11 Answers
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Variable name as a string in Javascript
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Typically, you would use a hash table for a situation where you want to map a name to some value, and be able to retrieve both.
var obj = { myFirstName: 'John' };
obj.foo = 'Another name';
for(key in obj)
console.log(k...
How do I change the background color of the ActionBar of an ActionBarActivity using XML?
...roid tag and put just <item name="background"> the color changed for all platforms.
– stevyhacker
Jan 28 '16 at 0:15
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orderBy multiple fields in Angular
...'title'], which caused the featured true items to be at the top (alphabetically), then the rest of the items listed alphabetically.
– Daniel Nalbach
Jul 14 '15 at 21:56
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Statistics: combinations in Python
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@robertking - Ok, you were both petty and technically correct. What i did was meant as illustration of how to write one's own function; i knew it is not accurate for big enough N and K due to floating point precision. But we can fix that - see above, now it should not err f...
@class vs. #import
... and use the @class declaration in your header file.
@class does not (usually) remove the need to #import files, it just moves the requirement down closer to where the information is useful.
For Example
If you say @class MyCoolClass, the compiler knows that it may see something like:
MyCoolCl...