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Node.js: what is ENOSPC error and how to solve?
...sed inotify watch takes up 540 bytes (32-bit system), or 1 kB (double - on 64-bit). This comes out of kernel memory, which is unswappable. So, assuming you set the max at 524288, and all were used (improbable), you'd be using approx. 256MB/512MB of 32-bit/64-bit kernel memory.
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How do you delete a column by name in data.table?
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@user3969377 if you want to remove a column based on the contents of a character variable you'd simply wrap it in parenthesis. Ie. df[,(afoo):=NULL]
– Dean MacGregor
Jul 9 '15 at 19:26
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stopPropagation vs. stopImmediatePropagation
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A small example to demonstrate how both these propagation stoppages work.
var state = {
stopPropagation: false,
stopImmediatePropagation: false
};
function handlePropagation(event) {
if (state.stopPropagation) {
event.st...
Script entire database SQL-Server
...y I can get a scripting of all tables, procs, and other objects from a database? I know there's an option to script the database but it only gave me some sort of top level script, certainly not a script to create all tables, procs, udfs, .etc.
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How can I center an absolutely positioned element in a div?
...lute;
top: 0;
right: 0;
bottom: 0;
left: 0;
margin: auto;
}
Demo:
http://jsbin.com/rexuk/2/
It was tested in Google Chrome, Firefox, and Internet Explorer 8.
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Support for “border-radius” in IE
...t, allowing you to serve different style definitions to different browsers based on their capabilities.
Obviously, these both add more overhead, but with IE9 due to only run on Vista/7 we might be stuck for quite awhile. As of August 2010 Windows XP still accounts for 48% of web client OSes.
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How to change port number for apache in WAMP
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vishal_gvishal_g
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mailto link with HTML body
...textbox" style="width: 300px; height: 600px;">
To: User <user@domain.demo>
Subject: Subject
X-Unsent: 1
Content-Type: text/html
<html>
<head>
<style>
body, html, table {
font-family: Calibri, Arial, sans-serif;
}
.pastdue { color: crimson; }
table ...
Similarity String Comparison in Java
...ow you'll find an example implementation.
Working example:
See online demo here.
public class StringSimilarity {
/**
* Calculates the similarity (a number within 0 and 1) between two strings.
*/
public static double similarity(String s1, String s2) {
String longer = s1, shorter ...
Apache Tomcat Not Showing in Eclipse Server Runtime Environments
...untime env from the preferences screen instead of hitting "add" - see this demo on youtube. http://www.youtube.com/watch?v=EOkN5IPoJVs&playnext_from=TL&videos=rVnITzSU2Z8 - When you hit search, you are prompted to point to the tomcat directory and then it SHOULD add it as a server runtime en...