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How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
...he default action for the click event (i.e. navigating to the link target) from occurring.
There are two ways to do this.
Option 1: event.preventDefault()
Call the .preventDefault() method of the event object passed to your handler. If you're using jQuery to bind your handlers, that event will be...
How to set environment variable for everyone under my linux system?
... zsh will source .sh files in /etc/profile.d/, you can see it from /etc/zshrc @Matthieu Napoli
– Bily
Jul 24 '14 at 8:45
4
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“use database_name” command in PostgreSQL
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The basic problem while migrating from MySQL I faced was, I thought of the term database to be same in PostgreSQL also, but it is not. So if we are going to switch the database from our application or pgAdmin, the result would not be as expected.
As in my cas...
PHP 5 disable strict standards error
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Do you want to disable error reporting, or just prevent the user from seeing it? It’s usually a good idea to log errors, even on a production site.
# in your PHP code:
ini_set('display_errors', '0'); # don't show any errors...
error_reporting(E_ALL | E_STRICT); # ...but do log them...
PHP function to generate v4 UUID
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Taken from this comment on the PHP manual, you could use this:
function gen_uuid() {
return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
// 32 bits for "time_low"
mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),...
detach all packages while working in R
... invisible(*) is not necessary but can be useful to prevent the NULL reply from vertically spamming the R window.
(edit: 9/20/2019) In version 3.6.1
It may be helpful to convert loaded only names(sessionInfo()$loadedOnly) to explicitly attached packages first, and then detach the packages, as so.
la...
A numeric string as array key in PHP
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No; no it's not:
From the manual:
A key may be either an integer or a string. If a key is the standard representation of an integer, it will be interpreted as such (i.e. "8" will be interpreted as 8, while "08" will be interpreted as "08"...
Function that creates a timestamp in c#
I was wondering, is there a way to create a timestamp in c# from a datetime?
I need a millisecond precision value that also works in Compact Framework(saying that since DateTime.ToBinary() does not exist in CF).
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Is there a fixed sized queue which removes excessive elements?
... };
If the "removeEldestEntry" returns true, the eldest entry is removed from the map.
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Embedding DLLs in a compiled executable
... Also important to note an INCREDIBLY useful comment on your blog from AshRowe: if you have a custom theme installed, it will try to resolve the PresentationFramework.Theme assembly which crashes and burns! As per AshRowe's suggestion, you can simply check if the dllName contains Presentati...