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Margin-Top push outer div down
I have a header div as the first elem>me m>nt in my wrapper div, but when I add a top margin to a h1 inside the header div it pushes the entire header div down. I realize this happens whenever I apply a top margin to the first visible elem>me m>nt on a page.
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BackgroundWorker vs background Thread
I have a stylistic question about the choice of background thread implem>me m>ntation I should use on a windows form app. Currently I have a BackgroundWorker on a form that has an infinite (while(true)) loop. In this loop I use WaitHandle.WaitAny to keep the thread snoozing until som>me m>thing of inter...
Prevent any form of page refresh using jQuery/Javascript
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#1 can be implem>me m>nted via window.onbeforeunload.
For example:
<script type="text/javascript">
window.onbeforeunload = function() {
return "Dude, are you sure you want to leave? Think of the kittens!";
}
</script...
Find and replace strings in vim on multiple lines
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The :&& command repeats the last substitution with the sam>me m> flags. You can supply the additional range(s) to it (and concatenate as many as you like):
:6,10s/<search_string>/<replace_string>/g | 14,18&&
If you have many ranges though, I'd rather use a loop:
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How does the Comma Operator work
...would be equal to b.
The comma operator has a lower precedence than assignm>me m>nt.
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Why does this go into an infinite loop?
...s answer for purposes of illustration, since C# allows you to pass int param>me m>ters by reference with the ref keyword. I've decided to update it with actual legal Java code using the first MutableInt class I found on Google to sort of approximate what ref does in C#. I can't really tell if that helps ...
Android 4.2: back stack behaviour with nested fragm>me m>nts
With Android 4.2, the support library got support for nested fragm>me m>nts see here . I've played around with it and found an interesting behaviour / bug regarding back stack and getChildFragm>me m>ntManager() . When using getChildFragm>me m>ntManager() and addToBackStack(String nam>me m>), by pressing the back butt...
How can I pass data from Flask to JavaScript in a template?
...So this should work:
<html>
<head>
<script>
var som>me m>JavaScriptVar = '{{ geocode[1] }}';
</script>
</head>
<body>
<p>Hello World</p>
<button onclick="alert('Geocode: {{ geocode[0] }} ' + som>me m>JavaScriptVar)" />
</body>
</html&...
Cleanest way to write retry logic?
Occasionally I have a need to retry an operation several tim>me m>s before giving up. My code is like:
29 Answers
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What is the most frequent concurrency issue you've encountered in Java? [closed]
...on. So, please leave one specific answer of a Java concurrency bug per comm>me m>nt and vote up if you see one you've encountered.
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