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Firing events on CSS class changes in jQuery
... due %s', oldClass, newClass, e.type);
})
// make some changes
.addClass('foo')
.removeClass('foo')
.toggleClass('foo');
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通信连接组件 · App Inventor 2 中文网
...排序。
例如：
123 解码为包含一个键值对 (foo 123) 的单项列表
1 2 3 解码为包含一个键值对 (foo "1 2 3") 的单项列表
456 1 2 3 解码为包含对 (a X) 的列表，其中 X 是一个包含 2 项的列表，分别是键值对(bar 456)和...
Execute Python script via crontab
...
Put your script in a file foo.py starting with
#!/usr/bin/python
then give execute permission to that script using
chmod a+x foo.py
and use the full path of your foo.py file in your crontab.
See documentation of execve(2) which is handling the ...
Why is it string.join(list) instead of list.join(string)?
...uld join the elements into a single string! For example:
some_strings = ('foo', 'bar', 'baz')
Let's roll our own list join method:
class OurList(list):
def join(self, s):
return s.join(self)
And to use it, note that we have to first create a list from each iterable to join the str...
How can I add a boolean value to a NSDictionary?
...NO / @YES if you are declaring it as a literal. E.g.
NSMutableDictionary* foo = [@{ @"key": @NO } mutableCopy];
foo[@"bar"] = @YES;
For more info on that:
http://clang.llvm.org/docs/ObjectiveCLiterals.html
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jQuery selector for inputs with square brackets in the name attribute
... I am not able to select (coincidentally a select tag) <select name="foo[bar]"> using $('select[name=foo\\[bar\\]]') however I am able to do so using $('select[name="foo[bar]"]), you second suggestion.
– Frank Nocke
Jan 30 '13 at 14:00
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What's the difference between event.stopPropagation and event.preventDefault?
...
$("#but").click(function (event) {
event.preventDefault()
})
$("#foo").click(function () {
alert("parent click event fired!")
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="foo">
<button id="but">button&...
How to escape special characters in building a JSON string?
...nonsense; strings in JSON can only ever be double-quoted. Try JSON.parse("'foo'") in your browser console, for example, and observe the SyntaxError: Unexpected token '. The JSON spec is really simple and clear about this. There is no escape sequence in JSON for single quotes, and a JSON string canno...
Creating a singleton in Python
...
class Foo(object):
pass
some_global_variable = Foo()
Modules are imported only once, everything else is overthinking. Don't use singletons and try not to use globals.
...
How to remove leading and trailing whitespace in a MySQL field?
...
You're looking for TRIM.
UPDATE FOO set FIELD2 = TRIM(FIELD2);
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