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PHP 5: const vs static

...s, static variables are on the class scope (not the object) scope, but unlike a const, their values can be changed. class ClassName { static $my_var = 10; /* defaults to public unless otherwise specified */ const MY_CONST = 5; } echo ClassName::$my_var; // returns 10 echo ClassName::MY_C...
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MySQL: Fastest way to count number of rows

... When you COUNT(*) it takes in count column indexes, so it will be the best result. Mysql with MyISAM engine actually stores row count, it doensn't count all rows each time you try to count all rows. (based on primary key's column) Using PHP to cou...
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POST data in JSON format

...answered Oct 23 '12 at 19:55 J. K.J. K. 7,78511 gold badge3131 silver badges3333 bronze badges ...
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System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()

... ROMANIA_engineer 44.6k2323 gold badges184184 silver badges169169 bronze badges answered Dec 15 '08 at 11:53 Michael Borgwa...
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After installation of Gulp: “no command 'gulp' found”

... (see this blog post for reference). So you could add scripts to your package.json file: { "name": "your-app", "version": "0.0.1", "scripts": { "gulp": "gulp", "minify": "gulp minify" } } You could then run npm run gulp or npm run minify to launch gulp tasks. ...
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How do you use NSAttributedString?

...ittle about the NSAttributedString which was introduced with the iPad SDK 3.2 (or around 3.2) and is available on the iPhone as of iPhone SDK 4.0 beta . ...
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Get index of array element faster than O(n)

...ther then call Array#index to get it? The problem comes from the need of keeping really huge array and calling Array#index enormous amount of times. ...
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how to remove shared preference while application uninstall in android

...in details such as user name and password via SharedPreferences thats works fine, but i need to remove all my used SharedPreferences while my application uninstall. How to do it? ...
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How to insert an item into an array at a specific index (JavaScript)?

I am looking for a JavaScript array insert method, in the style of: 19 Answers 19 ...
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How do I pipe a subprocess call to a text file?

...output to a file you can use the stdout-argument of subprocess.call. It takes None, subprocess.PIPE, a file object or a file descriptor. The first is the default, stdout is inherited from the parent (your script). The second allows you to pipe from one command/process to another. The third and four...