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How to check if field is null or empty in MySQL?

... If you would like to check in PHP , then you should do something like : $query_s =mysql_query("SELECT YOURROWNAME from `YOURTABLENAME` where name = $name"); $ertom=mysql_fetch_array($query_s); if ('' !== $ertom['YOURROWNAME']) { //do your action ech...
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HTML img scaling

...re plenty of programs out there when uploading (you'll need something like PHP or .net to do this btw) you can have it auto scale. 3) Living with it and setting the width and height, this although will make it look distorted but the right size will still result in the user having to download the fu...
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Automatically deleting related rows in Laravel (Eloquent ORM)

...You can delete all related photos before actually deleting the user. <?php class User extends Eloquent { public function photos() { return $this->has_many('Photo'); } public function delete() { // delete all related photos $this->photos()-&gt...
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Is it possible to have a multi-line comments in R? [duplicate]

...s how come R doesn't support a multi-line comments (like /* comment */ of PHP, for example). 7 Answers ...
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Using parameters in batch files at Windows command line

...p to grab them, as defined here: http://www.robvanderwoude.com/parameters.php Notes about delimiters for batch parameters Some characters in the command line parameters are ignored by batch files, depending on the DOS version, whether they are "escaped" or not, and often depending on their locati...
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When should I use Kruskal as opposed to Prim (and vice versa)?

...in a very straightforward way : http://www.thestudentroom.co.uk/showthread.php?t=232168. Kruskal's algorithm will grow a solution from the cheapest edge by adding the next cheapest edge, provided that it doesn't create a cycle. Prim's algorithm will grow a solution from a random vertex by adding ...
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What's the best practice to “git clone” into an existing folder?

...uld be the accepted answer since it is not a hack. – php_nub_qq Jul 4 '18 at 19:31 5 Actually thi...
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How to access cookies in AngularJS?

...ference from http://www.tutsway.com/simple-example-of-cookie-in-angular-js.php. share | improve this answer | follow | ...
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Using .gitignore to ignore everything but specific directories

...do this.) wp-content/plugins/* # !wp-content/plugins/my-single-file-plugin.php # !wp-content/plugins/my-directory-plugin/ # Ignore everything in the "themes" directory, except the themes you # specify (see the commented-out example for a hint on how to do this.) wp-content/themes/* # !wp-content/th...
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What is the best way to exit a function (which has no return value) in python before the function en

...hod i use return, it still keep running code behind a. exit should be like php exit(), it breaks the program instantly. – TomSawyer Sep 24 '17 at 18:29 2 ...