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SHA-1 fingerprint of keystore certificate

...as test On windows, when keytool command is not found, Go to your installed JDK Directory e.g. <YourJDKPath>\Java\jdk1.8.0_231\bin\, open command line and try the above commands for debug/release mode. share ...
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iPhone Keyboard Covers UITextField

...me of the other items into another view and slide the view as a unit. (I call these things "plates" as in "tectonic plates", but that's just me). But here is the general idea if you don't need to get fancy. - (void)textFieldDidBeginEditing:(UITextField *)textField { [self animateTextField: te...
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delete word after or around cursor in VIM

...d of parameter, specifying that the deletion is to include a delimiter. Finally the 'w', another parameter -if you will- specifies that a word unit will be deleted. – vlad-ardelean Jun 28 '14 at 8:51 ...
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What is a vertical tab?

..., fill in header, VT to body area, fill in lines, VT to form footer. Generally it was coded in the program as a character constant. From the keyboard, it would be CTRL-K. I don't believe anyone would have a reason to use it any more. Most forms are generated in a printer control language like po...
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best way to get the key of a key/value javascript object

... If you want to get all keys, ECMAScript 5 introduced Object.keys. This is only supported by newer browsers but the MDC documentation provides an alternative implementation (which also uses for...in btw): if(!Object.keys) Object.keys = function...
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Can I protect against SQL injection by escaping single-quote and surrounding user input with single-

... First of all, it's just bad practice. Input validation is always necessary, but it's also always iffy. Worse yet, blacklist validation is always problematic, it's much better to explicitly and strictly define what values/formats you a...
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How to get the next auto-increment id in mysql

... Thanks for the first two options.. But the third is just number two called from PHP.. Not sure what makes that faster on large databases... – Gerard ONeill Feb 12 '16 at 15:26 ...
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Facebook Open Graph not clearing cache

...fresh even if you delete the thumnail/image from your server. But Facebook allows you to refresh by using fbrefresh I hope this helps. share | improve this answer | follow ...
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Why are there two ways to unstage a file in Git?

... git rm --cached <filePath> does not unstage a file, it actually stages the removal of the file(s) from the repo (assuming it was already committed before) but leaves the file in your working tree (leaving you with an untracked file). git reset -- <filePath> will unstage any st...
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Convert one date format into another in PHP

...he y-m-d-h-i-s format. PHP 5.3 and up Use DateTime::createFromFormat. It allows you to specify an exact mask - using the date() syntax - to parse incoming string dates with. PHP 5.2 and lower You will have to parse the elements (year, month, day, hour, minute, second) manually using substr() and...