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CodeIgniter: Create new helper?

...o it. <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); if ( ! function_exists('test_method')) { function test_method($var = '') { return $var; } } Save this to application/helpers/ . We shall call it "new_helper.php" The first line exists to ...
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How to check if a table contains an element in Lua?

... Perhaps also function keysOfSet(set) local ret={} for k,_ in pairs(set) do ret[#ret+1]=k end return ret end – Jesse Chisholm Apr 27 '18 at 21:40 add a comme...
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How to set tint for an image view programmatically in android?

... android:tint works on all android versions. Maybe you're talking about drawableTint? – finstas Apr 20 '17 at 11:10 12 ...
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Specifying an Index (Non-Unique Key) Using JPA

...Table; @Entity @Table(name = "region", indexes = {@Index(name = "my_index_name", columnList="iso_code", unique = true), @Index(name = "my_index_name2", columnList="name", unique = false)}) public class Region{ @Column(name = "iso_code", nullable = false) priva...
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How often does python flush to a file?

...t size. A negative buffering means to use the system default, which is usually line buffered for tty devices and fully buffered for other files. If omitted, the system default is used. code: bufsize = 0 f = open('file.txt', 'w', buffering=bufsize) ...
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Traversing text in Insert mode

...iliar with it. The right way is to press Esc, go where you want to do a small correction, fix it, go back and keep editing. It is effective because Vim has much more movements than usual character forward/backward/up/down. After you learn more of them, this will happen to be more productive. Her...
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi

... basics. Though of course, that doesn't mean I haven't missed something totally obvious. :-) 13 Answers ...
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Setting default value for TypeScript object passed as argument

... Actually, there appears to now be a simple way. The following code works in TypeScript 1.5: function sayName({ first, last = 'Smith' }: {first: string; last?: string }): void { const name = first + ' ' + last; console.log(na...
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SQL Server: SELECT only the rows with MAX(DATE)

... HAVING t1.DateEntered = MAX(t2.DateEntered)) This is the fastest of all the queries supplied above. The query cost came in at 0.0070668. The preferred answer above, by Mikael Eriksson, has a query cost of 0.0146625 You may not care about the performance for such a small sample, but in large...
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How to add a new method to a php object on the fly?

... You can harness __call for this: class Foo { public function __call($method, $args) { if (isset($this->$method)) { $func = $this->$method; return call_user_func_array($func, $args); } ...