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Number of lines in a file in Java
I use huge data files, sometimes I only need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file
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Simplest way to detect a mobile device in PHP
What is the simplest way to tell if a user is using a mobile device to browse my site using PHP?
15 Answers
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How to position a DIV in a specific coordinates?
I want to position a DIV in a specific coordinates ? How can I do that using Javascript ?
6 Answers
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How to sort a list in Scala by two fields?
how to sort a list in Scala by two fields, in this example I will sort by lastName and firstName?
4 Answers
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RGB to hex and hex to RGB
How to convert colors in RGB format to hex format and vice versa?
50 Answers
50
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Draw in Canvas by finger, Android
I need to build a project for drawing on canvas by fingers,
6 Answers
6
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.NET 4.0 has a new GAC, why?
%windir%\Microsoft.NET\assembly\ is the new GAC . Does it mean now we have to manage two GACs, one for .NET 2.0-3.5 applications and the other for .NET 4.0 applications?
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Accessing the index in 'for' loops?
How do I access the index in a for loop like the following?
20 Answers
20
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How to change plot background color?
I am making a scatter plot in matplotlib and need to change the background of the actual plot to black. I know how to change the face color of the plot using:
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Check if an array is empty or exists
When the page is loading for the first time, I need to check if there is an image in image_array and load the last image.
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