Unlike arrays, JavaScript objects do not a have a length property which gives you the number of properties / items in an object. The most common way of getting the number of properties is to loop through the object - not pretty, resource intensive. This had been a long known problem JavaScript developers have been facing for a long time. All modern and superior browsers support a fix for this a ...

So you wanna download files using cURL but don't know how to do that. Fear not, for the super-genius Captain Hack Sparrow is here to show you how to do just that. Learn from these examples: [code] $ curl -O http://example.com/Flag_of_Edward_England.svg [/code] The above usage of cURL with the uppercase option will download the file with the same name as the original. [code] $ curl -o flag.svg http://example.com/Flag_of_Edwar ...

Ok, so Mac is cool and stuff, but it doesn't come with wget by default, which in my opinion sucks. wget is a very useful tool and is used for downloading installation files among other stuff; it ought to be there on your Mac. Getting wget on Mac OS X is pretty easy, so worry not. Just follow my instructions. Before that make sure you have a C/C++ compiler on your system, if you have XCode, you ...

I have settled on Aptana Studio 3 as my project development IDE on the Mac. The first thing I wanted to change was it's color settings - I hate dark background setting in text editors. I tried fiddling around with the Aptana settings using my common sense, but Aptana turned out to be quite tricky in 'hiding' the background-foreground color settings. So I did a quick Google search, only to find instructions for Windows, which only confused m ...

Your website stops working and you see a spine-chilling error message "MySQL table is marked as crashed and should be repaired". What now? Well, you need to repair it. There are two approaches to repairing a crashed table. I hope it is not bad news for you, but they will work only for MyISAM engines. If you are using InnoDB, consider restoring the table from a backup (at the cost of loss of some data). The most common reason ...