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How to insert text at beginning of a multi-line selection in vi/Vim
...the inserted text will appear on every line.
For further information and reading, check out "Inserting text in multiple lines" in the Vim Tips Wiki.
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How do I scale a stubborn SVG embedded with the tag?
...emoveAttribute('width');
svg.removeAttribute('height');
Since your svg already has a viewBox, Firefox should scale the 576 pixel width in the viewBox to the 400 pixel width in your document. Other svgs might benefit from a new viewBox derived from the advertised width and height (these are often t...
Store output of subprocess.Popen call in a string
...ocess.Popen(command, stdout=subprocess.PIPE, stderr=None)
If you need to read also the standard error, into the Popen initialization, you can set stderr to subprocess.PIPE or to subprocess.STDOUT:
import subprocess
command = "ntpq -p" # the shell command
process = subprocess.Popen(command, stdo...
How to run a function when the page is loaded?
...ns since the release of jQuery. All modern browsers now have their own DOM ready function without the use of a jQuery library.
I'd recommend this if you use native Javascript.
document.addEventListener('DOMContentLoaded', function() {
alert("Ready!");
}, false);
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node.js, socket.io with SSL
...s = require('https');
var server = https.createServer({
key: fs.readFileSync('./test_key.key'),
cert: fs.readFileSync('./test_cert.crt'),
ca: fs.readFileSync('./test_ca.crt'),
requestCert: false,
rejectUnauthorized: false
},app);
server.listen(8080);
var io = require('soc...
How can I detect when an Android application is running in the emulator?
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Anyone reading this may be interested to know that this string appears to have changed to 'sdk', rather than 'google_sdk'.
– Daniel Sloof
Jun 6 '10 at 19:48
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How to remove an item for a OR'd enum?
... for, right? I like to keep things as explicit as possible for the sake of readability, and relying on an enum to default to default(int) (0) when not given a value, despite being information presumably known by any developer, is too sneaky for my tastes anyway. Edit: Oh wait, would making Unset = 0...
HTML5 form required attribute. Set custom validation message?
...uld not be set by code, you can set you input element's title attribute to read "This field cannot be left blank". (Works in Chrome 10)
title="This field should not be left blank."
See http://jsfiddle.net/kaleb/nfgfP/8/
And in Firefox, you can add this attribute:
x-moz-errormessage="This field ...
How to grey out a button?
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I had read that calls to setAlpha are expensive on CPU. Can anyone confirm?
– Ali Kazi
Jun 15 '16 at 7:37
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How do I do top 1 in Oracle?
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This for sure must be the winning answer in this thread. I might add a note that for top X one can change it to WHERE ROWNUM <= X
– SomethingSomething
Feb 20 '16 at 23:36
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