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MAC addresses in JavaScript

... I concur with all the previous answers that it would be a privacy/security vulnerability if you would be able to do this directly from Javascript. There are two things I can think of: Using Java (with a signed applet) Using signed Javasc...
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Where is debug.keystore in Android Studio

... go to "signing" and select your default or any keystore you want and fill all the details. In case you are not able to fill the details, hit the green '+' button. I've highlighted in the screenshot. Step 2) VERY IMPORTANT: Goto Build Types> select your build type and select your "Signing Config...
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Get list of passed arguments in Windows batch script (.bat)

...ke to find a Windows batch counterpart to Bash's $@ that holds a list of all arguments passed into a script. 14 Answers ...
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Setting DIV width and height in JavaScript

I have a div with id="div_register" . I want to set its width dynamically in JavaScript. 6 Answers ...
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Scale image to fit a bounding box

...ed answer, the answer below is more accurate and is currently supported in all browsers if you have the option of using a background image. No, there is no CSS only way to do this in both directions. You could add .fillwidth { min-width: 100%; height: auto; } To the an element to always...
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How to check for a valid Base64 encoded string

... calling base64String.Contains multiple times may result in poor performance incase of base64String being a large string. – NucS Jul 23 '15 at 11:46 ...
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PHP: How to remove all non printable characters in a string?

...to remove other chars... If you're dealing with Unicode, there are potentially many non-printing elements, but let's consider a simple one: NO-BREAK SPACE (U+00A0) In a UTF-8 string, this would be encoded as 0xC2A0. You could look for and remove that specific sequence, but with the /u modifier in ...
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What is the difference between pull and clone in git?

... They're basically the same, except clone will setup additional remote tracking branches, not just master. Check out the man page: Clones a repository into a newly created directory, creates remote-tracking branches for each branch in ...
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Summarizing multiple columns with dplyr? [duplicate]

... The dplyr package contains summarise_all for this aim: library(dplyr) df %>% group_by(grp) %>% summarise_all(list(mean)) #> # A tibble: 3 x 5 #> grp a b c d #> <int> <dbl> <dbl> <dbl> <dbl> #>...
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Is there a way to get the source code from an APK file?

The hard drive on my laptop just crashed and I lost all the source code for an app that I have been working on for the past two months. All I have is the APK file that is stored in my email from when I sent it to a friend. ...