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How to detect page zoom level in all modern browsers?

... Now it's an even bigger mess than it was when this question was first asked. From reading all the responses and blog posts I could find, here's a summary. I also set up this page to test all these methods of measuring the zoo...
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Cannot push to GitHub - keeps saying need merge

...t A ------ Commit B ---- Commit D After completing the merge, you will now be allowed to fast-forward origin/branch to Commit E by pushing your changes. Git requires that you handle merges yourself, because a merge may lead to conflicts. ...
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Why is using “for…in” for array iteration a bad idea?

...mewhere deep in your JavaScript library... Array.prototype.foo = 1; // Now you have no idea what the below code will do. var a = [1, 2, 3, 4, 5]; for (var x in a){ // Now foo is a part of EVERY array and // will show up here as a value of 'x'. console.log(x); } /* Will disp...
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vertical divider between two columns in bootstrap

... Well here's another option which I've been using for some time now. It works great for me since I mostly need it do visually separate 2 cols. And it's also responsive. Which means that if I have columns next to each other in medium and large screen sizes, then I would use the class col-m...
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How to check if command line tools is installed

I have a macbook pro with OS X 10.8.2. XCode is installed. I know this as it appears in the Applications directory. There are also the xcodebuild and xcode-select files in /usr/bin I need to know if the command line tools is installed. Is there a command for it? What can I do to see if XCode CLT is ...
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Replacing NAs with latest non-NA value

... @Ruben Thanks again for your report. By now the bug is fixed on R-Forge. Also I have tweaked and exported the workhorse function na.locf0 which is now similar in scope and performance to your repeat_last function. The clue was to use diff rather than cumsum and avo...
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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?

...utorial on the use of repa, which is a good place to start if you already know Haskell arrays, or the vector library. The key stepping stone is the use of shape types instead of simple index types, to address multidimensional indices (and even stencils). The repa-io package includes support for rea...
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How can I find out if I have Xcode commandline tools installed?

... if you want to know the install version of Xcode as well as Swift language current version: Use below simple command by using Terminal: 1. To get install Xcode Version xcodebuild -version 2. To get install Swift language Version sw...
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Expand div to max width when float:left is set

...k if you include a right-floated div after the content as well, if anyone knows a good way to get that to work, with good IE compatibility, I'd be very happy to hear it. New, better option using display: flex; Now that the Flexbox model is fairly widely implemented, I'd actually recommend using it...
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Resetting a multi-stage form with jQuery

... That :input is handy... now I know I'll use. Thanks Paolo :) +1 – alex Mar 25 '09 at 4:51 ...