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Remove final character from string [duplicate]
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Actually that slice will still work even if st is empty. Well, it will return an empty string still, but you won't get an error.
– kindall
Mar 18 '13 at 13:58
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Testing for empty or nil-value string [duplicate]
I'm trying to set a variable conditionally in Ruby. I need to set it if the variable is nil or empty (0 length string). I've come up with the following:
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C++ convert from 1 char to string? [closed]
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All of
std::string s(1, c); std::cout << s << std::endl;
and
std::cout << std::string(1, c) << std::endl;
and
std::string s; s.push_back(c); std::cout << s << std::endl;
worked for...
Headless Browser and scraping - solutions [closed]
... times easier than the libraries above.
– Pavan Katepalli
Jun 16 '16 at 18:31
For python "webbot" library offers rich ...
Why does ENOENT mean “No such file or directory”?
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It's an abbreviation of Error NO ENTry (or Error NO ENTity), and can actually be used for more than files/directories.
It's abbreviated because C compilers at the dawn of time didn't support more than 8 characters in symbols.
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Controls on Pivot disappear
...s expected. However, after the app has been running some time, like a day, all the controls on the pivot disappear after pivoting (or swiping). They appear momentarily while swiping, but disappear again once the pivot rests.
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fatal: Not a git repository (or any of the parent directories): .git [duplicate]
...rect directory and the repository has been initialized, in case we accidentally delete or pamper with the .git folder.
– Lazarus Rising
Oct 28 '16 at 14:19
15
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What's the key difference between HTML 4 and HTML 5?
...ket, they just have to test malformed documents in various browsers (especially IE) and reverse-engineer their error handling. If they don't, then many pages won't display correctly (estimates place roughly 90% of pages on the net as being at least somewhat malformed).
So, HTML5 is attempting to d...
applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli
...ugh springboard, app switching or URL) applicationWillEnterForeground: is called. It is only executed once when the app becomes ready for use, after being put into the background, while applicationDidBecomeActive: may be called multiple times after launch. This makes applicationWillEnterForeground: ...
Which is better option to use for dividing an integer number by 2?
...ter of the compiler got to choose among several implementation choices, usually with substantial constraints. Here, one constraint is that the % and / operators must be consistent for both positive and negative operands so that (a/b)*b+(a%b)==a is true regardless of the signs of a and b. Usually, th...