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pass string parameter in an onclick function
... if this is a loop or something, result will change before the event fires and you'd need to create an additional scope bubble to shadow the changing variable.
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A variable modified inside a while loop is not remembered
...I'm using some sort of copy of the variable $foo inside the while loop and I am modifying only that particular copy. Here's a complete test program:
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Biggest GWT Pitfalls? [closed]
...plement using GWT. Has anyone encountered any major pitfalls in using GWT (and GWT-EXT) that were unable to be overcome? How about from a performance perspective?
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keep rsync from removing unfinished source files
I have two machines, speed and mass. speed has a fast Internet connection and is running a crawler which downloads a lot of files to disk. mass has a lot of disk space. I want to move the files from speed to mass after they're done downloading. Ideally, I'd just run:
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How is mime type of an uploaded file determined by browser?
...me
Chrome (version 38 as of writing) has 3 ways to determine the MIME type and does so in a certain order. The snippet below is from file src/net/base/mime_util.cc, method MimeUtil::GetMimeTypeFromExtensionHelper.
// We implement the same algorithm as Mozilla for mapping a file extension to
// a mim...
“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning
... I wish I could give you ten upvotes! Thank you for your understandable and very helpful answer!
– Constantino Tsarouhas
Jan 2 '12 at 20:17
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What is stdClass in PHP?
...bar"
echo $array['number'] . PHP_EOL; //42
See Dynamic Properties in PHP and StdClass for more examples.
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Referring to the null object in Python
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And the reason for choosing egg is None over egg == None: The latter can be overloaded, and is likely to break when comparing valid object with None (depends on how it's implemented, but you don't expect everyone to take comp...
What is the difference between ? and Object in Java generics?
...Eclipse seems to be giving me an option to choose between a type of Object and a type of '?'.
6 Answers
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String formatting named parameters?
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In Python 2.6+ and Python 3, you might choose to use the newer string formatting method.
print('<a href="{0}">{0}</a>'.format(my_url))
which saves you from repeating the argument, or
print('<a href="{url}">{url}</a&...