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How can I determine whether a Java class is abstract by reflection
I am interating through classes in a Jar file and wish to find those which are not abstract. I can solve this by instantiating the classes and trapping InstantiationException but that has a performance hit as some classes have heavy startup. I can't find anything obviously like isAbstract() in the C...
How do I obtain the frequencies of each value in an FFT?
... an FFT result. These are stored in two double arrays: a real part array and an imaginary part array. How do I determine the frequencies that correspond to each element in these arrays?
...
Simple Log to File example for django 1.3+
...': 1,
'disable_existing_loggers': True,
'formatters': {
'standard': {
'format' : "[%(asctime)s] %(levelname)s [%(name)s:%(lineno)s] %(message)s",
'datefmt' : "%d/%b/%Y %H:%M:%S"
},
},
'handlers': {
'null': {
'level':'DEBUG',...
deny direct access to a folder and file by htaccess
...st to the file present in that folder?
– Chaitanya Chandurkar
Apr 2 '13 at 13:22
16
@ChaitanyaCha...
Is there a way to make a PowerShell script work by double clicking a .ps1 file?
... to fetch an IP address from the Vsphere client, make an mstsc connection, and log it in a shared file.
19 Answers
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Is there a PHP function that can escape regex patterns before they are applied?
... string $str [, string $delimiter = NULL ] )
preg_quote() takes str and puts a
backslash in front of every character
that is part of the regular expression
syntax. This is useful if you have a
run-time string that you need to match
in some text and the string may
contain special r...
How can I pair socks from a pile efficiently?
Yesterday I was pairing the socks from the clean laundry and figured out the way I was doing it is not very efficient. I was doing a naive search — picking one sock and "iterating" the pile in order to find its pair. This requires iterating over n/2 * n/4 = n 2 /8 socks on average.
...
How can I put a database under git (version control)?
I'm doing a web app, and I need to make a branch for some major changes, the thing is, these changes require changes to the database schema, so I'd like to put the entire database under git as well.
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Total size of the contents of all the files in a directory [closed]
...
@Arkady I have tried your solution on CentOS and Ubuntu, and there is a small error. You want "du -sbh". The "-h" flag must come last.
– theJollySin
Oct 16 '15 at 22:49
...
sqlalchemy: how to join several tables by one query?
...ed Apr 8 at 9:57
Ryabchenko Alexander
3,22711 gold badge1919 silver badges4545 bronze badges
answered May 18 '11 at 13:04
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