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Getting the last revision number in SVN?
...t in XML like so:
$output = `svn info $url --xml`;
If there is an error then the output will be directed to stderr. To capture stderr in your output use thusly:
$output = `svn info $url 2>&1`;
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Single vs double quotes in JSON
... The idea would be to serialize the python into json with json.dumps, then call json.loads on it when it is in the str form.
– jheld
Apr 9 '16 at 21:10
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What is the difference between 127.0.0.1 and localhost
...have to do an actual lookup of localhost somewhere.
If you use 127.0.0.1, then (intelligent) software will just turn that directly into an IP address and use it. Some implementations of gethostbyname will detect the dotted format (and presumably the equivalent IPv6 format) and not do a lookup at al...
Configuring Log4j Loggers Programmatically
...ere you are sure, that this will be executed before anything else.
You can then remove all existing appenders on the root logger with
Logger.getRootLogger().getLoggerRepository().resetConfiguration();
and start with adding your own. You need log4j in the classpath of course for this to work.
Re...
Function Pointers in Java
...do it.
Pass as parameter the object and the method name (as a string) and then invoke the method. For example:
Object methodCaller(Object theObject, String methodName) {
return theObject.getClass().getMethod(methodName).invoke(theObject);
// Catch the exceptions
}
And then use it as in:
S...
How do I import a specific version of a package using go get?
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The solution would then be to git checkout and go install
– ptman
Nov 1 '17 at 8:43
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How to do SQL Like % in Linq?
... Couldn't work out why this wasn't working for a use case with letters, then realized my stupidity... don't forget .ToLower().Contains() etc if you want to ignore case. Whether you want this will of course depend on whether your trying to mimic LIKE from a DB with case insensitive collation or no...
Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
... server with Ajax for example, or encode it and put it into URLs which can then be passed through to the server-side.
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Span inside anchor or anchor inside span or doesn't matter?
... close the tags in the correct order. So if you start with a <span> then an <a>, make sure you close the <a> tag first before closing the <span> and vice-versa.
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Wrap a delegate in an IEqualityComparer
...policy of t => 0. If all objects always hash to the same thing (zero), then isn't that even more broken than using obj.GetHashCode, per @Dan Tao's point? Why not always force the caller to provide a good hash function?
– Joshua Frank
Dec 22 '10 at 15:36
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