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Django CharField vs TextField

...pecified with a maximum length, and might be more efficient in terms of performance or storage — and text (or similar) types — those are usually limited only by hardcoded implementation limits (not a DB schema). PostgreSQL 9, specifically, states that "There is no performance difference among t...
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How to find out what character key is pressed?

...h; } alert(String.fromCharCode(keynum)); } </script> <form> <input type="text" onkeypress="return myKeyPress(event)" /> </form> JQuery: $(document).keypress(function(event){ alert(String.fromCharCode(event.which)); }); ...
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How to remove duplicate white spaces in string using Java?

... a regular expression. \s matches a space, tab, new line, carriage return, form feed or vertical tab, and + says "one or more of those". Thus the above code will collapse all "whitespace substrings" longer than one character, with a single space character. Source: Java: Removing duplicate white s...
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How is AngularJS different from jQuery

... While Angular 1 was a framework, Angular 2 is a platform. (ref) To developers, Angular2 provides some features beyond showing data on screen. For example, using angular2 cli tool can help you "pre-compile" your code and generate necessary javascript code (tree-shaking) to sh...
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Can jQuery read/write cookies to a browser?

...ee http://www.stilbuero.de/2006/09/17/cookie-plugin-for-jquery/ for more information on the JQuery cookie plugin. If you want to set cookies that are used for the entire site, you'll need to use JavaScript like this: document.cookie = "name=value; expires=date; domain=domain; path=path; secure" ...
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Difference between partition key, composite key and clustering key in Cassandra?

...e Composite/Compound Key is just any multiple-column key Further usage information: DATASTAX DOCUMENTATION Small usage and content examples SIMPLE KEY: insert into stackoverflow_simple (key, data) VALUES ('han', 'solo'); select * from stackoverflow_simple where key='han'; table content key |...
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How to make tinymce paste in plain text by default

...on of how to make Tinymce paste in plain text by default and strip out any formatting without clicking the "paste as text" button. ...
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How to get the focused element with jQuery?

... input:text:name as expected in Firefox and Safari, but nothing in IE <form action=""> <div id="block-1" class="border"> <h4>block-1</h4> <input type="text" value="enter name here" name="name"/> <input type="button" value="Add...
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Difference between float and decimal data type

...hael Petrotta - user just enters his decimal numbers in the field given in forms.. i need to just store them in DB. which will be more suitable. ? – Hacker Mar 1 '11 at 4:38 12 ...
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Is < faster than

...r the execution core to complete the execution of all of the μops that form an instruction. Throughput — The number of clock cycles required to wait before the issue ports are free to accept the same instruction again. For many instructions, the throughput of an instruction can be...