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Function in JavaScript that can be called only once
I need to create a function which can be executed only once, in each time after the first it won't be executed. I know from C++ and Java about static variables that can do the work but I would like to know if there is a more elegant way to do this?
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UIButton: set image for selected-highlighted state
I set an images for button's states Normal,Highlighted and Selected, but when the button in selected state and I press/highlight it I didn't see my highlighted image but just grayed picture.
Is it possible to set an image for highlighted state when the button selected?
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What's the foolproof way to tell which version(s) of .NET are installed on a production Windows Serv
This question is not so much programming related as it is deployment related.
19 Answers
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How to have the cp command create any necessary folders for copying a file to a destination [duplica
When copying a file using cp to a folder that may or may not exist, how do I get cp to create the folder if necessary? Here is what I have tried:
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Eclipse, where to change the current debug line background?
Can anyone point me to the preferences page that has the setting of the DEBUG current line background color? I have changed almost all the colours to dark ones and still get annoyed by this almost white current line indicator while debugging (note that the current line indication in editing mode i...
How do I set ${user} in Eclipse to get the correct @author tag? [duplicate]
I am using Eclipse and every time code is created, @author is set to the value of ${user}.
Unfortunately,${user} seems to contain my windows login id.
Is there a way to override this through Eclipse?
I couldn't find the option.
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How can I change the image of an ImageView? [duplicate]
I have just started learning android. And i don't know How can I change the image of an ImageView ? ie it has some Image which was set in the layout but i want to change that image through coding how should i do it ?
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Extract directory from path
In my script I need the directory of the file I am working with. For example, the file = "stuff/backup/file.zip" . I need a way to get the string " stuff/backup/ " from the variable $file .
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jQuery .on function for future elements, as .live is deprecated [duplicate]
I need to add a handler for the click event of future <div> elements, that don't exist yet. Normally, I would use jQuery's .live function to handle this, but it seems that it is now deprecated in favor of .on .
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Charts for Android [closed]
I am working on a project which have some charts (graphs), tick chart, candlestick chart and range chart. But the problem is, there is no library for that charts. I have got Google chart API for candlestick chart. But I don't want graph/chart in a webview.
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