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Does a foreign key automatically create an index?
...en two tables - that has nothing to do with an index per se.
But it is a known fact that it makes a lot of sense to index all the columns that are part of any foreign key relationship, because through a FK-relationship, you'll often need to lookup a relating table and extract certain rows based on ...
Getting the object's property name
...
@Bakudan know what you mean, but a better way to put it is that you should use hasOwnProperty if you don't want inherited properties. That way you're not blindly following some rule. It may be that in some cases you actually do want to...
How to change options of with jQuery?
... I've simply used this
el.html(' ');
And it's works. So my working code now looks like that:
var newOptions = {
"Option 1":"option-1",
"Option 2":"option-2"
};
var $el = $('.selectClass');
$el.html(' ');
$.each(newOptions, function(key, value) {
$el.append($("<option></opt...
Replacements for switch statement in Python?
...Do the other thing
if x in 'bc':
# Fall-through by not using elif, but now the default case includes case 'a'!
elif x in 'xyz':
# Do yet another thing
else:
# Do the default
This of course is not identical to switch/case - you cannot have fall-through as easily as leaving off the break...
Get the Query Executed in Laravel 3/4
...
My bad, the correct method is getQueryLog. Fixed it now. Thanks!
– rmobis
Mar 5 '13 at 17:32
...
What is the reason for a red exclamation mark next to my project in Eclipse?
...r problems in
a project. The Package Explorer and Project Explorer views now show a
new decorator on Java projects and working sets that contain build
path errors:
The concrete errors can be seen in the Problems view, and if you open
the view menu and select Group By > Java Pro...
Get local IP address in node.js
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os.networkInterfaces as of right now doesn't work on windows. Running programs to parse the results seems a bit iffy. Here's what I use.
require('dns').lookup(require('os').hostname(), function (err, add, fam) {
console.log('addr: '+add);
})
This should...
css ellipsis on second line
...ext-overflow: ellipsis; to work is a one-line version of white-space (pre, nowrap etc). Which means the text will never reach the second line.
Ergo. Not possible in pure CSS.
My source when I was looking for the exact same thing just now: http://www.quirksmode.org/css/textoverflow.html (Quirksmode...
What is the significance of 1/1/1753 in SQL Server?
...
@Venkat - fixed now with an internet archive link
– Martin Smith
Apr 26 at 10:54
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Can I target all tags with a single selector?
I'd like to target all h tags on a page. I know you can do it this way...
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