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What is the purpose of Order By 1 in SQL select statement?

...number stands for the column based on the number of columns defined in the SELECT clause. In the query you provided, it means: ORDER BY A.PAYMENT_DATE It's not a recommended practice, because: It's not obvious/explicit If the column order changes, the query is still valid so you risk ordering ...
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Pad a number with leading zeros in JavaScript [duplicate]

...hem as if their value is the empty string. Thus you get a copy of the zero character (or whatever "z" is) between each of the array elements; that's why there's a + 1 in there. Example usage: pad(10, 4); // 0010 pad(9, 4); // 0009 pad(123, 4); // 0123 pad(10, 4, '-'); // --10 ...
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How to read a file into a variable in shell?

...ther answers so far: Trailing newline removal from command expansion NUL character removal Trailing newline removal from command expansion This is a problem for the: value="$(cat config.txt)" type solutions, but not for read based solutions. Command expansion removes trailing newlines: S="...
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ng-options with simple array init

... You actually had it correct in your third attempt. <select ng-model="myselect" ng-options="o as o for o in options"></select> See a working example here: http://plnkr.co/edit/xEERH2zDQ5mPXt9qCl6k?p=preview The trick is that AngularJS writes the keys as numbers from...
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Javascript callback when IFRAME is finished loading?

...cript"> function on_load(iframe) { try { // Displays the first 50 chars in the innerHTML of the // body of the page that the iframe is showing. // EDIT 2012-04-17: for wider support, fallback to contentWindow.document var doc = iframe.contentDocument || iframe.contentWindow.docu...
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Rails: select unique values from a column

... Model.select(:rating) Result of this is a collection of Model objects. Not plain ratings. And from uniq's point of view, they are completely different. You can use this: Model.select(:rating).map(&:rating).uniq or this (mo...
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Generate random int value from 3 to 6

... This generates a random number between 0-9 SELECT ABS(CHECKSUM(NEWID()) % 10) 1 through 6 SELECT ABS(CHECKSUM(NEWID()) % 6) + 1 3 through 6 SELECT ABS(CHECKSUM(NEWID()) % 4) + 3 Dynamic (Based on Eilert Hjelmeseths Comment) SELECT ABS(CHECKSUM(NEWID()) % (@ma...
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What are the most useful Intellij IDEA keyboard shortcuts? [closed]

... These are some of my most used keyboard short cuts Syntax aware selection in the editor selects a word at the caret and then selects expanding areas of the source code. For example, it may select a method name, then the expression that calls this method, then the whole statement, then the...
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How to escape a JSON string containing newline characters using JavaScript?

I have to form a JSON string in which a value is having new line character. This has to be escaped and then posted using AJAX call. Can any one suggest a way to escape the string with JavaScript. I am not using jQuery. ...
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Resetting a multi-stage form with jQuery

...n, :submit, :reset, :hidden') .val('') .removeAttr('checked') .removeAttr('selected'); Which might work for a lot of cases, including for the OP, but as pointed out in the comments and in other answers, will clear radio/checkbox elements from any value attributes. A more correct answer (but not per...