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How to use @Nullable and @Nonnull annotations more effectively?
I can see that @Nullable and @Nonnull annotations could be helpful in preventing NullPointerException s but they do not propagate very far.
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How can I repeat a character in Bash?
How could I do this with echo ?
32 Answers
32
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How to install and run phpize
I have been meaning to install ffmpeg as an extension to my PHP setup. So before I can install it, I need to phpize it. I installed php5-dev by sudo apt-get install php5-dev . But now when I run phpize I get the following error :
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/etc/apt/sources.list" E212: Can't open file for writing
I am trying to edit sources.list using vi editor but getting the following error while saving the file:
12 Answers
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How to print to stderr in Python?
There are several ways to write to stderr:
15 Answers
15
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Can I bind an array to an IN() condition?
I'm curious to know if it's possible to bind an array of values to a placeholder using PDO. The use case here is attempting to pass an array of values for use with an IN() condition.
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How can I find out if I have Xcode commandline tools installed?
I need to use gdb.
6 Answers
6
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How to get maximum value from the Collection (for example ArrayList)?
There is an ArrayList which stores integer values. I need to find the maximum value in this list. E.g. suppose the arrayList stored values are : 10, 20, 30, 40, 50 and the max
value would be 50 .
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How to use the C socket API in C++ on z/OS
I'm having issues getting the C sockets API to work properly in C++ on z/OS .
9 Answers
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Best way to convert an ArrayList to a string
I have an ArrayList that I want to output completely as a String. Essentially I want to output it in order using the toString of each element separated by tabs. Is there any fast way to do this? You could loop through it (or remove each element) and concatenate it to a String but I think this wi...