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How to remove all whitespace from a string?
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@DWin Supposedly it is faster if R knows that it does not have to invoke the regular expression stuff. In this case it does not really make any difference, I am just in the habit of doing so.
– Aniko
May 13 '11 at 13:00
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“render :nothing => true” returns empty plaintext file?
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Since Rails 4, head is now preferred over render :nothing.1
head :ok, content_type: "text/html"
# or (equivalent)
head 200, content_type: "text/html"
is preferred over
render nothing: true, status: :ok, content_type: "text/html"
# or (equiva...
How do I print debug messages in the Google Chrome JavaScript Console?
...like if (!window.console) { and then put everything inside brackets? Right now you're evaluating the same stuff four times.
– Dan Rosenstark
Sep 19 '11 at 16:33
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How to center a checkbox in a table cell?
... header row. How do I center the checkbox (with inline CSS in my HTML? (I know))
10 Answers
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How to get the absolute coordinates of a view
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Now that's the kind of function I expected to find. Unfortunately, I must not be using it properly. I realise it was a known bug that getLocationOnScreen gives a null pointer exception in Android v1.5 (the platform I'm coding...
Clearing intent
...to reset the intent like this setIntent(new Intent()) and its working fine now.
– Shubhral
Jun 20 '17 at 11:46
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show 5 more comments
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How to format a JavaScript date
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Use the date.format library:
var dateFormat = require('dateformat');
var now = new Date();
dateFormat(now, "dddd, mmmm dS, yyyy, h:MM:ss TT");
returns:
Saturday, June 9th, 2007, 5:46:21 PM
dateformat on npm
http://jsfiddle.net/phZr7/1/
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How to name and retrieve a stash by name in git?
..._stash"
Where "my_stash" is the stash name.
Some more useful things to know: All the stashes are stored in a stack.
Type:
git stash list
This will list down all your stashes.
To apply a stash and remove it from the stash stack, type:
git stash pop stash@{n}
To apply a stash and keep it in ...
Replace one substring for another string in shell script
...ntext would represent itself, not a newline. I don't have Bash handy right now to test, but you should be able to write something like, $STRING="${STRING/$'\n'/<br />}". (Though you probably want STRING// -- replace-all -- instead of just STRING/.)
– ruakh
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How to remove the hash from window.location (URL) with JavaScript without page refresh?
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Solving this problem is much more within reach nowadays. The HTML5 History API allows us to manipulate the location bar to display any URL within the current domain.
function removeHash () {
history.pushState("", document.title, window.location.pathname
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