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Extract substring in Bash
...he form someletters_12345_moreleters.ext , I want to extract the 5 digits and put them into a variable.
22 Answers
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Last iteration of enhanced for loop in java
...e don't use "" + i, by the way - you don't really want concatenation here, and StringBuilder has a perfectly good append(int) overload.)
int[] array = {1, 2, 3...};
StringBuilder builder = new StringBuilder();
for (int i : array) {
if (builder.length() != 0) {
builder.append(",");
...
Where does the @Transactional annotation belong?
Should you place the @Transactional in the DAO classes and/or their methods or is it better to annotate the Service classes which are calling using the DAO objects? Or does it make sense to annotate both "layers"?
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HTTP vs HTTPS performance
Are there any major differences in performance between http and https? I seem to recall reading that HTTPS can be a fifth as fast as HTTP. Is this valid with the current generation webservers/browsers? If so, are there any whitepapers to support it?
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Git Ignores and Maven targets
... man page. The pattern */target/* should ignore any directory named target and anything under it. Or you may try */target/** to ignore everything under target.
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Getting realtime output using subprocess
I am trying to write a wrapper script for a command line program (svnadmin verify) that will display a nice progress indicator for the operation. This requires me to be able to see each line of output from the wrapped program as soon as it is output.
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Remove file from SVN repository without deleting local copy
...ilable in svn 1.5.0+. I'm afraid you have to manually copy the file beforehand or check it out using svn cat afterwards.
– phihag
May 12 '09 at 8:51
4
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How do i find out what all symbols are exported from a shared object?
..., a UNIX shared library, or a Windows DLL? These are all different things, and your question conflates them all :-(
For an AIX shared object, use dump -Tv /path/to/foo.o.
For an ELF shared library, use readelf -Ws /path/to/libfoo.so, or (if you have GNU nm) nm -D /path/to/libfoo.so.
For a non-ELF ...
How to loop through all the properties of a class?
...scriptor; the good news is that this still works fine for regular classes (and can even be much quicker than reflection):
foreach(PropertyDescriptor prop in TypeDescriptor.GetProperties(obj)) {
Console.WriteLine("{0} = {1}", prop.Name, prop.GetValue(obj));
}
This also provides easy access to ...
Run Command Prompt Commands
Is there any way to run command prompt commands from within a C# application? If so how would I do the following:
14 Answe...