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How to convert vector to array

...re their elements contiguously: std::vector<double> v; double* a = &v[0]; share | improve this answer | follow | ...
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isset() and empty() - what to use

... $var; (a variable declared, but without a value in a class) From http://php.net/manual/en/function.empty.php As mentioned in the comments the lack of warning is also important with empty() PHP Manual says empty() is the opposite of (boolean) var, except that no warning is generated when...
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Add a new column to existing table in a migration

...e a specific name to avoid clashing with existing models for Laravel 3: php artisan migrate:make add_paid_to_users for Laravel 5+: php artisan make:migration add_paid_to_users_table --table=users You then need to use the Schema::table() method (as you're accessing an existing table, not crea...
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AngularJS - Any way for $http.post to send request parameters instead of JSON?

...ht be a bit of a hack, but I avoided the issue and converted the json into PHP's POST array on the server side: $_POST = json_decode(file_get_contents('php://input'), true); share | improve this a...
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PHP Pass variable to next page

... You can add the variable in the link to the next page: <a href="page2.php?varname=<?php echo $var_value ?>">Page2</a> This will create a GET variable. Another way is to include a hidden field in a form that submits to page two: <form method="get" action="page2.php"> ...
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How do I set a variable to the output of a command in Bash?

... Elaboration such as an example on Update (2018) would be appreciated. – Eduard Jul 13 '18 at 13:31 ...
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How to use '-prune' option of 'find' in sh?

...So you would go and write what you are looking for first: find / -name "*.php" Then you probably hit enter and realize you are getting too many files from directories you wish not to. Let's exclude /media to avoid searching your mounted drives. You should now just APPEND the following to the prev...
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Python Requests and persistent sessions

... urllib.urlencode(formdata) response = opener.open("https://page.com/login.php", data_encoded) content = response.read() EDIT: I see I've gotten a few downvotes for my answer, but no explaining comments. I'm guessing it's because I'm referring to the urllib libraries instead of requests. I do tha...
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How to set selected value of jquery select2?

... Html: <select id="lang" > <option value="php">php</option> <option value="asp">asp</option> <option value="java">java</option> </select> JavaScript: $("#lang").select2().select2('val','asp'); jsfiddle ...
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How can mixed data types (int, float, char, etc) be stored in an array?

...nt main(int argc, char **argv) { Var v[SIZE]; int i; var_init_int(&v[0], 10); var_init_char(&v[1], 'C'); var_init_float(&v[2], 3.14); for( i = 0 ; i < SIZE ; i++ ) { switch( v[i].type ) { case V_INT : printf("INT %d\n", v[i].i); break; case V_CHAR : p...