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Eclipse interface icons very small on high resolution screen in Windows 8.1

...rious icons and buttons in the Eclipse (Kepler) interface are very, very small on a laptop with a 3200x1800px screen. The red error decoration that appears to indicate errors on files is difficult to see unless my nose a few cm from the screen. ...
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PCH File in Xcode 6

...t; Other > PCH File > YourProject-Prefix.pch. Make sure you display "All" and not "Basic". (Blue buttons) Project > Build Settings > Search: "Prefix Header". Under "Apple LLVM 7.0" you will get the Prefix Header key. Type file directory. e.g: "$(SRCROOT)/$(PROJECT_NAME)/ProjectName-Prefi...
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How do I create a custom Error in JavaScript?

... I'm still a bit lost in all those prototype things. Why in your example you assign name to this.name and not to NotImplementedError.prototype.name? Can you answer please, it's crucial for my understanding :) – jayarjo ...
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How to set selected value of jquery select2?

... To dynamically set the "selected" value of a Select2 component: $('#inputID').select2('data', {id: 100, a_key: 'Lorem Ipsum'}); Where the second parameter is an object with expected values. UPDATE: This does work, just wanted to n...
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How is pattern matching in Scala implemented at the bytecode level?

...atterns like or patterns and combinations like "case Foo(45, x)", but generally those are just logical extensions of what I just described. Patterns can also have guards, which are additional constraints on the predicates. There are also cases where the compiler can optimize pattern matching, e.g...
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti

...est option when the index is probably in the list and the IndexError is usually not raised. This way you avoid the need for an extra lookup by if index < len(my_list). Python encourages the use of exceptions, which you handle is a phrase from Dive Into Python. Your example not only handles the e...
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React.js: onChange event for contentEditable

...hich fixes a bug in my implementation. Use the onInput event, and optionally onBlur as a fallback. You might want to save the previous contents to prevent sending extra events. I'd personally have this as my render function. var handleChange = function(event){ this.setState({html: event.ta...
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How to urlencode data for curl command?

... @kberg actually, this will only work for query data. curl will append a '?' followed by the urlencoded params. If you want to urlencode some url postfix (such as a CouchDB GET for some document id), then '--data-urlencode' won't work. ...
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Fetch frame count with ffmpeg

...default=nokey=1:noprint_wrappers=1 input.mp4 This is a fast method. Not all formats (such as Matroska) will report the number of frames resulting in the output of N/A. See the other methods listed below. ffprobe: Count the number of frames ffprobe -v error -count_frames -select_streams v:0 -sh...
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What does it mean when a CSS rule is grayed out in Chrome's element inspector?

... selected DOM node. I guess, for the sake of completeness, dev tools shows all the rules from that set, whether they are applied or not. In the case where a rule is applied to the currently selected element due to inheritance (i.e. the rule was applied to an ancestor, and the selected element inher...