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Adding a UILabel to a UIToolbar
...ll exists -- it's self.titleLabel. This example needs a property declared and synthesized for UILabel *titleLabel, but that code isn't shown. If you have access to the object (probably a UIViewController) that runs this code, you can access its titleLabel. E.g., you could add a method on the view...
How to get the client IP address in PHP [duplicate]
... make sure you have space for at least 45 characters. IPv6 is here to stay and those addresses are larger than the older IPv4 addresses.
(Note that IPv6 usually uses 39 characters at most but there is also a special IPv6 notation for IPv4 addresses which in its full form can be up to 45 characters....
Scrolling child div scrolls the window, how do I stop that?
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Many browser scroll wheels disappear and reappear based on the user moving the mouse now, so the above comment is problem no longer an issue.
– Keith Holliday
Oct 16 '15 at 3:42
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How to remove a file from version control without deleting it?
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You want the --keep-local command-line option. This removes the file from version control without removing it from your filesystem.
$ svn rm --keep-local my_important_file
Note: The --keep-local only affects the svn rm of your copy. Other users may hav...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...rs please give us a good description of what RAII is, why it is important, and whether or not it might have any relevance to other languages?
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Rename Files and Directories (Add Prefix)
I would like to add prefix on all folders and directories.
10 Answers
10
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check android application is in foreground or not? [duplicate]
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I don't understand what you want, but You can detect currently foreground/background application with ActivityManager.getRunningAppProcesses() call.
Something like,
class ForegroundCheckTask extends AsyncTask<Context, Void, Boolean>...
Remove duplicate elements from array in Ruby
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array = array.uniq
uniq removes all duplicate elements and retains all unique elements in the array.
This is one of many beauties of the Ruby language.
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Matplotlib: “Unknown projection '3d'” error
I just installed matplotlib and am trying to run one of there example scripts. However I run into the error detailed below. What am I doing wrong?
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How do I create directory if none exists using File class in Ruby?
...tokens = dirname.split(/[\/\\]/) # don't forget the backslash for Windows! And to escape both "\" and "/"
1.upto(tokens.size) do |n|
dir = tokens[0...n]
Dir.mkdir(dir) unless Dir.exist?(dir)
end
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