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Converting Symbols, Accent Letters to English Alphabet
...ld ever need to parse Arabic characters. Similarly, the Unicode character set contains hundreds of mathematical and pictorial symbols: there is no (easy) way for users to directly enter these, so you can assume they can be ignored.
By taking these logical steps you can reduce the number of possibl...
Rails server says port already used, how to kill that process?
... 3000 (which is what webrick normally uses), type this in your terminal to find out the PID of the process:
$ lsof -wni tcp:3000
Then, use the number in the PID column to kill the process:
$ kill -9 PID
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SQL - find records from one table which don't exist in another
I've got the following two SQL tables (in MySQL):
8 Answers
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Some projects cannot be imported because they already exist in the workspace error in Eclipse
...pen in my workspace but it was not visible because of the selected working set. You have just to deselect the active working set and all opened projects will become visible.
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Rotating a two-dimensional array in Python
In a program I'm writing the need to rotate a two-dimensional array came up. Searching for the optimal solution I found this impressive one-liner that does the job:
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How do I initialize a byte array in Java?
I have to store some constant values (UUIDs) in byte array form in java, and I'm wondering what the best way to initialize those static arrays would be. This is how I'm currently doing it, but I feel like there must be a better way.
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How to handle Handler messages when activity/fragment is paused
...stanceState) {
super.onCreate(savedInstanceState);
setRetainInstance(true);
}
@Override
public void onResume() {
super.onResume();
handler.setActivity(getActivity());
handler.resume();
}
...
Which icon sizes should my Windows application's icon include?
... I did some more testing. For display on the desktop, when I set it to 144dpi ("150%") on Windows 7, for the smallest possible icon it used the 24px icon (if it is there, otherwise uprezzed 16px). From the icon guidelines, it seems there is a "Classic Mode" on Vista which also uses the...
Java: How to get input from System.console()
I am trying to use Console class to get input from user but a null object is returned when I call System.console() . Do I have to change anything before using System.console?
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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
What's better to use in PHP for appending an array member,
10 Answers
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