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How to change the href for a hyperlink using jQuery

...l hyperlinks to point to Google. You probably want a somewhat more refined selector though. For instance, if you have a mix of link source (hyperlink) and link target (a.k.a. "anchor") anchor tags: <a name="MyLinks"></a> <a href="http://www.codeproject.com/">The CodeProject</a&...
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Visual Studio : short cut Key : Duplicate Line

...ure is now built-in in VS2017: Ctrl + E, V duplicates a line if nothing is selected, or duplicates selection. You can assign it to a different key combination, or find it in the menu: See this reference for more information. Pre VS2017, built-in method using clipboard As @cand mentioned, you ca...
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How to get the caret column (not pixels) position in a textarea, in characters, from the start?

...refox, Safari (and other Gecko based browsers) you can easily use textarea.selectionStart, but for IE that doesn't work, so you will have to do something like this: function getCaret(node) { if (node.selectionStart) { return node.selectionStart; } else if (!document.selection) { return ...
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Row count with PDO

... $sql = "SELECT count(*) FROM `table` WHERE foo = ?"; $result = $con->prepare($sql); $result->execute([$bar]); $number_of_rows = $result->fetchColumn(); Not the most elegant way to do it, plus it involves an extra query...
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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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Truncate (not round) decimal places in SQL Server

... select round(123.456, 2, 1) share | improve this answer | follow | ...
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Long vs Integer, long vs int, what to use and when?

...//docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html byte, char .. 1B .. 8b short int .. 2B .. 16b int .. .. .. .. 4B .. 32b long int .. 8B .. 64b C .. just mess: https://en.wikipedia.org/wiki/C_data_types short .. .. 16b int .. .. .. 16b ... wtf?!?! long .. .. 32b long long .. ...
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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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How do I find numeric columns in Pandas?

... You could use select_dtypes method of DataFrame. It includes two parameters include and exclude. So isNumeric would look like: numerics = ['int16', 'int32', 'int64', 'float16', 'float32', 'float64'] newdf = df.select_dtypes(include=numer...
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How to get object size in memory? [duplicate]

...would know, Int32 and float are four bytes, double and DateTime 8 bytes, char is actually two bytes (not one byte), and so on. String is a bit more complex, 2*(n+1), where n is the length of the string. For objects, it will depend on their members: just sum up the memory requirement of all i...