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How to swap two variables in JavaScript
...onstration below:
var a=1,
b=2,
output=document.getElementById('output');
output.innerHTML="<p>Original: "+a+", "+b+"</p>";
b = [a, a = b][0];
output.innerHTML+="<p>Swapped: "+a+", "+b+"</p>";
<div id="output"></div>
...
What is the maximum length of a valid email address?
What is the maximum length of a valid email address? Is it defined by any standard?
6 Answers
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regex to match a single character that is anything but a space
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Detect backspace in empty UITextField
...long shot but it could work. Try setting the text field's text to a zero width space character \u200B. When backspace is pressed on a text field that appears empty, it will actually delete your space. Then you can just reinsert the space.
May not work if the user manages to move the caret to the...
How to increase font size in a plot in R?
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Did you read help(par) about ps? Does not seem text-related as far as I can tell.
– Dirk Eddelbuettel
Nov 22 '10 at 2:51
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Inline code highlighting in reStructuredText
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
twitter bootstrap navbar fixed top overlapping site
...he navbar isn't there and the navbar overlaps it. here's basically how i laid it out:
18 Answers
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PG::ConnectionBad - could not connect to server: Connection refused
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It could be as simple as a stale PID file. It could be failing silently because your computer didn't complete the shutdown process completely which means postgres didn't delete the PID (process id) file.
The PID file is used by postgres to make sure only on...
Can someone explain the right way to use SBT?
I'm getting out off the closet on this! I don't understand SBT. There, I said it, now help me please.
4 Answers
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How can I run an external command asynchronously from Python?
...aiting for the OS pipe buffer to accept more data. Use communicate() to avoid that. "
– Ali Afshar
Mar 11 '09 at 22:12
15
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