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Android - Camera preview is sideways

...Parameters(); Display display = ((WindowManager)getSystemService(WINDOW_SERVICE)).getDefaultDisplay(); if(display.getRotation() == Surface.ROTATION_0) { parameters.setPreviewSize(height, width); mCamera.setDisplayOrientation(90); } if(disp...
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Iterating over Java collections in Scala

...ares the appropriate conversions. import scala.collection.JavaConversions._ This won't work in previous versions though. share | improve this answer | follow ...
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tmux set -g mouse-mode on doesn't work

...ke scrolling with wheels work bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'" bind -n WheelDownPane select-pane -t= \; send-keys -M This will enable scrolling on hover over a pane and y...
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Get a random item from a JavaScript array [duplicate]

...ash :)): var randomArray = [ '#cc0000','#00cc00', '#0000cc' ]; // use _.sample var randomElement = _.sample(randomArray); // manually use _.random var randomElement = randomArray[_.random(randomArray.length-1)]; Or to shuffle an entire array: // use underscore's shuffle function var firstRa...
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HTML5 Email Validation

... matches the following regular expression: /^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/ Use the required attribute and a pattern attribute to require the value to match the regex pattern. <input type="text" pattern="/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~...
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How to check if a file exists in Go?

...doesn't exist, equivalent to Python's if not os.path.exists(filename): if _, err := os.Stat("/path/to/whatever"); os.IsNotExist(err) { // path/to/whatever does not exist } To check if a file exists, equivalent to Python's if os.path.exists(filename): Edited: per recent comments if _, err := o...
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What is “:-!!” in C code?

...ld. The macro is somewhat misnamed; it should be something more like BUILD_BUG_OR_ZERO, rather than ...ON_ZERO. (There have been occasional discussions about whether this is a confusing name.) You should read the expression like this: sizeof(struct { int: -!!(e); })) (e): Compute expression e....
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How can I get current location from user in iOS

...be kept calling. Happy Coding Guys!! Cheers!! – Apple_iOS0304 Mar 13 '13 at 4:07 5 You are the ty...
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Django templates: verbose version of a choice

... In Django templates you can use the "get_FOO_display()" method, that will return the readable alias for the field, where 'FOO' is the name of the field. Note: in case the standard FormPreview templates are not using it, then you can always provide your own templat...
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How do you produce a .d.ts “typings” definition file from an existing JavaScript library?

... change all the extensions to .ts. Get-ChildItem | foreach { Rename-Item $_ $_.Name.Replace(".js", ".ts") } Second, use the TypeScript compiler to generate definition files. There will be a bunch of compiler errors, but we can ignore those. Get-ChildItem | foreach { tsc $_.Name } Finally, com...