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SQL - many-to-many table primary key
...ique) and a separate index on (col2,col1) will catch those cases where the opposite order would execute faster. The surrogate is a waste of space.
You won't need indexes on the individual columns since the table should only ever be used to join the two referenced tables together.
That comment you ...
How to debug an apache virtual host configuration?
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I recently had some issues with a VirtualHost. I used a2ensite to enable a host but before running a restart (which would kill the server on fail) I ran
apache2ctl -S
Which gives you some info about what's going on with your virtual hosts. It's not perfect, but it helps.
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Can jQuery read/write cookies to a browser?
...or the people ending up at dead links or malfunctioning plugins.jquery.com site: github.com/carhartl/jquery-cookie
– Wiebe Tijsma
May 1 '12 at 14:01
add a comment
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JavaScript: location.href to open in new window/tab?
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window.open(
'https://support.wwf.org.uk/earth_hour/index.php?type=individual',
'_blank' // <- This is what makes it open in a new window.
);
share
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What does the tilde (~) mean in my composer.json file?
...swered Sep 24 '13 at 11:29
AlterPHPAlterPHP
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Simulator or Emulator? What is the difference?
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Exactly the opposite answer here: stackoverflow.com/questions/2174638/…
– smwikipedia
Dec 16 '15 at 1:21
3
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How do you get the footer to stay at the bottom of a Web page?
... The detailed explanation with the demo is provided in this site: CSS Sticky Footer
– mohitp
Mar 22 '13 at 9:15
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Is there a built-in function to print all the current properties and values of an object?
So what I'm looking for here is something like PHP's print_r function.
25 Answers
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Origin null is not allowed by Access-Control-Allow-Origin
...t to a server from a local html file and found a solution using Chrome and PHP. (no Jquery)
Javascripts:
var x = new XMLHttpRequest();
if(x) x.onreadystatechange=function(){
if (x.readyState === 4 && x.status===200){
console.log(x.responseText); //Success
}else{
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How do you hide the Address bar in Google Chrome for Chrome Apps?
... i think your solution is more of a permanent fix for specific sites, where mine is more of a situational fix :)
– neaumusic
Jul 16 '14 at 22:40
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