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What are metaclasses in Python?
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Lets define a metaclass that will demonstrate how 'class:' calls it.
def test_metaclass(name, bases, dict):
print 'The Class Name is', name
print 'The Class Bases are', bases
print 'The dict has', len(dict), 'elems, the keys are', dict.keys()
return "yellow"
class TestName(object...
How can I make a time delay in Python? [duplicate]
...hon per-se, but selenium related. And you'd use them when you're doing E2E tests. OP hasn't mentioned about any of those.
– alexandernst
May 5 '18 at 8:28
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JQuery - find a radio button by value
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@test: Try this instead: function(i, val) { $(":radio[value="+val+"]").attr('checked',true); }
– Gumbo
Jan 31 '10 at 22:14
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How do I comment on the Windows command line?
...s it easy to keep track of multiple sets of values when doing exploration, tests of concept, etc. This approach works because '&' introduces a new command on the same line.
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setTimeout / clearTimeout problems
... not clicking anywhere). I use jQuery for the rest but the set/clear in my test function are pure javascript.
7 Answers
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Check if an element is a child of a parent
...e designed for this purpose. Since it returns a jQuery object, you have to test for .length as well:
if ($('div#hello').has(target).length) {
alert('Target is a child of #hello');
}
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“Java DateFormat is not threadsafe” what does this leads to?
...wait for other threads to release it. This is how:
public class DateFormatTest {
private static final ThreadLocal<DateFormat> df = new ThreadLocal<DateFormat>(){
@Override
protected DateFormat initialValue() {
return new SimpleDateFormat("yyyyMMdd");
}
};
pub...
What is the benefit of using $() instead of backticks in shell scripts?
...t
xyzzy
(a) Now that specific command may not actually work, I haven't tested the functionality. So, if you vote me down for it, you've lost sight of the intent :-) It's meant just as an illustration as to how you can nest, not as a bug-free production-ready snippet.
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Apache Prefork vs Worker MPM
... memory efficient. Historically, Apache has used prefork, so it's a better-tested model. Threading was only added in 2.0.
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Delete all but the most recent X files in bash
...need to use the -0 option if filenames could contain whitespaces. Haven't tested it yet though. source
– Keith
Nov 12 '18 at 15:00
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