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Why is “throws Exception” necessary when calling a function?
...ause for all classes. Specifically, classes that are either an Error or RuntimeException or any of the subclasses of these two. In your case Exception is not a subclass of an Error or RuntimeException. So, it is a checked exception and must be specified in the throws clause, if you don't handle that...
Can you configure log4net in code instead of using a config file?
...er must work now");
// and remove it later if this code executed multiple times (loggers are cached, so you'll get logger with your appender attached next time "MyLogger")
((log4net.Repository.Hierarchy.Logger)logger).RemoveAppender(sbAppender);
...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
... with the path to the socket file:
socket=/var/lib/mysql/mysql.sock
Sometimes the system startup script that launched the command line executable specifies a flag --socket=path. This flag could override the my.cnf location, and that would result in a socket not being found where the my.cnf file i...
Peak-finding algorithm for Python/SciPy
...have noisy signals, a simple but effective way is to look at your peaks in time, to track them: you then detect spectral lines instead of spectral peaks. IOW, you compute the FFT on a sliding window of your signal, to get a set of spectrum in time (also called spectrogram). You then look at the evol...
Remove leading and trailing spaces?
I'm having a hard time trying to use .strip with the following line of code.
4 Answers
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How to check a not-defined variable in JavaScript
...or undefined without using typeof as undefined has been read-only for some time.
If you want to know if a member exists independent but don't care what its value is:
if ('membername' in object) // With inheritance
if (object.hasOwnProperty('membername')) // Without inheritance
If you want to to ...
Why does .NET use banker's rounding as default?
...ed threads, make sure that you're consistent in your rounding - if you sometimes do rounding in the database, and sometimes in .net, you will have strange, one cent errors that will take you weeks to figure out.
– chris
Mar 6 '09 at 19:10
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efficient circular buffer?
...o infinity, but if maxlen is given, indexing an element should be constant time.
– lvella
Nov 13 '15 at 21:57
1
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What is the purpose of setting a key in data.table?
...cond case, we did not have to reorder. It's not computing the order that's time consuming, but physically reordering the data.table in RAM, and by avoiding it, we retain the original order, and it is also performant.
Even otherwise, unless you're performing joins repetitively, there should be no not...
What is the use of the @ symbol in PHP?
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I had time to correct my suppress spelling after posting ... and damn you for enhancing with a link at the same time rages :P
– Aiden Bell
Jun 23 '09 at 12:12
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