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What is a regular expression which will match a valid domain name without a subdomain?

... This should match all cases I think: ^([a-z0-9])(([a-z0-9-]{1,61})?[a-z0-9]{1})?(\.[a-z0-9](([a-z0-9-]{1,61})?[a-z0-9]{1})?)?(\.[a-zA-Z]{2,4})+$ – transilvlad May 16 '13 at 16:38 ...
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TypeScript function overloading

...use, when both functions are compiled to JavaScript, their signature is totally identical. As JavaScript doesn't have types, we end up creating two functions taking same number of arguments. So, TypeScript restricts us from creating such functions. TypeScript supports overloading based on number of...
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How to parse/read a YAML file into a Python object? [duplicate]

...ame: Node 2 branch2-1: name: Node 2-1 And you've installed PyYAML like this: pip install PyYAML And the Python code looks like this: import yaml with open('tree.yaml') as f: # use safe_load instead load dataMap = yaml.safe_load(f) The variable dataMap now contains...
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How do I use Java to read from a file that is actively being written to?

...verflow.com/a/559146/1255493 public void run() { try { while (_running) { Thread.sleep(_updateInterval); long len = _file.length(); if (len < _filePointer) { // Log must have been jibbled or deleted. this.appendMessa...
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Detecting Unsaved Changes

...reunload methods as required. From the comments, the following references all input fields, without duplicating code: $(':input').change(function () { Using $(":input") refers to all input, textarea, select, and button elements. ...
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FFmpeg on Android

...There's a lot of documentation out there on how to work with the NDK. Basically you'll need to write some C/C++ code to export the functionality you need out of ffmpeg into a library java can interact with through JNI. The NDK allows you to easily link against the static libraries you've generated i...
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How to remove an item from an array in AngularJS scope?

... Your issue is not really with Angular, but with Array methods. The proper way to remove a particularly item from an array is with Array.splice. Also, when using ng-repeat, you have access to the special $index property, which is the current inde...
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Most efficient method to groupby on an array of objects

...g callback functions to return a sorting criteria – y_nk Jul 6 '16 at 16:50 118 Here is one that ...
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Android SDK manager won't open

So I installed the android sdk for Windows: 29 Answers 29 ...
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Check if a user has scrolled to the bottom

...ight of the visible window and checks if that equals the height of the overall content (document). If you wanted to instead check if the user is near the bottom, it'd look something like this: $(window).scroll(function() { if($(window).scrollTop() + $(window).height() > $(document).height() ...