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How do I change the color of the text in a UIPickerView under iOS 7?
...iew:viewForRow:forComponent:reusingView method, but when using the view it passes in reusingView: how do I change it to use a different text color? If I use view.backgroundColor = [UIColor whiteColor]; none of the views show up anymore.
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std::back_inserter for a std::set?
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set doesn't have push_back because the position of an element is determined by the comparator of the set. Use std::inserter and pass it .begin():
std::set<int> s1, s2;
s1 = getAnExcitingSet();
transform(s1.begin(), s1.end(),
std::inserter(s2, s2.beg...
How to find where gem files are installed
I can finds gems that are installed using gem list , but it doesn't show me where the gems are installed.
10 Answers
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Explain Python entry points?
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I have a package I've just deployed called "cursive.tools", and I wanted it to make available a "cursive" command that someone could run from the command line, like:
$ cursive --help
usage: cursive ...
The way to do this is define a function, like maybe a "cursive_command" function in cursive/t...
Android: Clear Activity Stack
I'm having several activities in my application. and flow is very complicated. When I click the Logout application navigates to login Screen and from there user can exit by cancel button (calling system.exit(0) )
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Determining whether jQuery has not found any element
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$('#idThatDoesnotexist').length is what you're looking for. (If it finds nothing, this will === 0.) So your conditional statement should probably be:
if($('#id').length) { /* code if found */ } else { /* code if not found */ }
You're getting an object returned from that alert because jQ...
How to preserve line breaks when storing a command output to a variable in bash?
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Quote your variables. Here is it why:
$ f="fafafda
> adffd
> adfadf
> adfafd
> afd"
$ echo $f
fafafda adffd adfadf adfafd afd
$ echo "$f"
fafafda
adffd
adfadf
adfafd
afd
Without quotes, the shell replaces $TEMP with the characters i...
Favourite performance tuning tricks [closed]
...the advice will apply across the board.
SQL Server, for example, comes with a host of performance monitoring / tuning bits, but if you don't have anything like that (and maybe even if you do) then I would consider the following...
99% of problems I have seen are caused by putting too many tables...
Using Vim's persistent undo?
...rsistent undo', which allows for the undotree to be saved to a file when exiting a buffer.
4 Answers
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Redirect all output to file [duplicate]
I know that in Linux, to redirect output from the screen to a file, I can either use the > or tee . However, I'm not sure why part of the output is still output to the screen and not written to the file.
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