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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function

I'm putting in some effort to learn Python, and I am paying close attention to common coding standards. This may seem like a pointlessly nit-picky question, but I am trying to focus on best-practices as I learn, so I don't have to unlearn any 'bad' habits. ...
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Why does Math.floor return a double?

Official Javadoc says that Math.floor() returns a double that is "equal to a mathematical integer", but then why shouldn't it return an int ? ...
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Easiest way to pass an AngularJS scope variable from directive to controller?

... Edited on 2014/8/25: Here was where I forked it. Thanks @anvarik. Here is the JSFiddle. I forgot where I forked this. But this is a good example showing you the difference between = and @ <div ng-controller="MyCtrl"> <h2>Parent Scope</h2>...
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Why does printf not flush after the call unless a newline is in the format string?

Why does printf not flush after the call unless a newline is in the format string? Is this POSIX behavior? How might I have printf immediately flush every time? ...
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How to capture the browser window close event?

... The beforeunload event fires whenever the user leaves your page for any reason. For example, it will be fired if the user submits a form, clicks a link, closes the window (or tab), or goes to a new page using the address bar, searc...
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Copy a stream to avoid “stream has already been operated upon or closed”

...ack if you're only going to use the data once, because you don't have to store it, and streams give you powerful "loop fusion" optimizations that let you flow the whole data efficiently through the pipeline. If you want to re-use the same data, then by definition you either have to generate it tw...
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Check status of one port on remote host [closed]

I need a command line that can check the port status on a remote host. I tried ping xxx.xxx.xxx.xxx:161 but it doesn't recognize the "host". I thought it was a "good" answer until I did the same command against a host I know has that port open. This is for a batch file on Windows that will chec...
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What is the benefit of using Fragments in Android, rather than Views?

When developing for Android , you can set your target (or minimum) sdk to 4 (API 1.6) and add the android compatibility package (v4) to add support for Fragments . Yesterday I did this and successfully implemented Fragments to visualize data from a custom class. ...
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jQuery using append with effects

... Having effects on append won't work because the content the browser displays is updated as soon as the div is appended. So, to combine Mark B's and Steerpike's answers: Style the div you're appending as hidden before you actually append it. You can do it w...
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Phone: numeric keyboard for text input

Is there a way to force the number keyboard to come up on the phone for an <input type="text"> ? I just realized that <input type="number"> in HTML5 is for “floating-point numbers”, so it isn’t suitable for credit card numbers, ZIP codes, etc. ...