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Convert text into number in MySQL query
...r within MySQL query? I have a column with an identifier that consists a name and a number in the format of "name-number". The column has VARCHAR type. I want to sort the rows according the number (rows with the same name) but the column is sorted according do character order, i.e.
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What's the best way to communicate between view controllers?
...ral, I have a strong desire to get the most out of the language and the frameworks.
4 Answers
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run main class of Maven project [duplicate]
...h Maven. Is there a way that the main class (which doesn't require any arguments) can be run from the command-line using a maven command like:
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C compiler for Windows? [closed]
...ng MinGW in Windows does not solve the problems to handle LibVLC and Gstreamer's. By using MinGW crash the executables. Is there any better solution?
– user285594
Mar 23 '15 at 21:53
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How to create a bash script to check the SSH connection?
... $a
22/tcp open ssh
$ echo $b
(empty string)
But you'll have to grep the message (nmap does not use the return-value to show if a port was filtered, closed or open).
EDIT2:
If you're interested in the actual state of the ssh-port, you can substitute grep open with egrep 'open|closed|filtered':
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How to get year/month/day from a date object?
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Just remember: January=0, February=1, and so on.
– Rubens Farias
Jan 6 '10 at 13:53
9
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Use String.split() with multiple delimiters
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I think you need to include the regex OR operator:
String[]tokens = pdfName.split("-|\\.");
What you have will match:
[DASH followed by DOT together] -.
not
[DASH or DOT any of them] - or .
share
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How to read/write a boolean when implementing the Parcelable interface?
... a myObjectList class which extends ArrayList<myObject> and implement Parcelable .
12 Answers
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...rocessor, but decrease performance on your particular processor (and the same applies to -Os). If you try the same example on different processors, you will find that on some of them benefit from -O2 while other are more favorable to -Os optimizations.
Here are the results for time ./test 0 0 on se...
What IDE to use for Python? [closed]
...n -. | | | | | | | | | | | | .- Integrated DB Support
Commercial/Free -. | | | | | | | | | | | | | | .- Refactoring
Cross Platform -. | | | | | | | | | | | | | | | |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
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