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Android and setting alpha for (image) view alpha
Is there really no XML attribute counterpart to setAlpha(int) ?
9 Answers
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How to add to an existing hash in Ruby
In regards to adding an key => value pair to an existing populated hash in Ruby, I'm in the process of working through Apress' Beginning Ruby and have just finished the hashes chapter.
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What integer hash function are good that accepts an integer hash key?
What integer hash function are good that accepts an integer hash key?
11 Answers
11
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Why does Math.floor return a double?
Official Javadoc says that Math.floor() returns a double that is "equal to a mathematical integer", but then why shouldn't it return an int ?
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How to generate a random int in C?
Is there a function to generate a random int number in C? Or will I have to use a third party library?
27 Answers
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Add text to Existing PDF using Python
I need to add some extra text to an existing PDF using Python, what is the best way to go about this and what extra modules will I need to install.
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Is gcc 4.8 or earlier buggy about regular expressions?
I am trying to use std::regex in a C++11 piece of code, but it appears that the support is a bit buggy. An example:
3 Answe...
How to append contents of multiple files into one file
I want to copy the contents of five files to one file as is. I tried doing it using cp for each file. But that overwrites the contents copied from the previous file. I also tried
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How to use > in an xargs command?
I want to find a bash command that will let me grep every file in a directory and write the output of that grep to a separate file. My guess would have been to do something like this
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How to convert a Drawable to a Bitmap?
I would like to set a certain Drawable as the device's wallpaper, but all wallpaper functions accept Bitmap s only. I cannot use WallpaperManager because I'm pre 2.1.
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