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How do I check whether a jQuery element is in the DOM?

... Like this: if (!jQuery.contains(document, $foo[0])) { //Element is detached } This will still work if one of the element's parents was removed (in which case the element itself will still have a parent). ...
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Defining an abstract class without any abstract methods

...| edited May 19 '17 at 17:03 answered Jan 27 '11 at 0:15 bi...
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Effective way to find any file's Encoding

...oes not have a BOM, this cannot determine the file's encoding. *UPDATED 4/08/2020 to include UTF-32LE detection and return correct encoding for UTF-32BE /// <summary> /// Determines a text file's encoding by analyzing its byte order mark (BOM). /// Defaults to ASCII when detection of the tex...
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Maintain the aspect ratio of a div with CSS

...entage value for padding-bottom, like this: .demoWrapper { padding: 10px; background: white; box-sizing: border-box; resize: horizontal; border: 1px dashed; overflow: auto; max-width: 100%; height: calc(100vh - 16px); } div { width: 100%; padding-bottom: 75%; background: g...
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How can I sanitize user input with PHP?

... answered Sep 24 '08 at 22:30 troelskntroelskn 104k2323 gold badges124124 silver badges143143 bronze badges ...
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Positions fixed doesn't work when using -webkit-transform

...g it as the background. @media screen and (-webkit-min-device-pixel-ratio:0) { /* Webkit-specific CSS here (Chrome and Safari) */ #transformed_div { /* styles here, background image etc */ } } So for now you'll have to do it the old fashioned way, until Webkit browsers catch up to FF. ...
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How to check if a file contains a specific string using Bash

...n't need the string displayed when it was found. The grep command returns 0 or 1 in the exit code depending on the result of search. 0 if something was found; 1 otherwise. $ echo hello | grep hi ; echo $? 1 $ echo hello | grep he ; echo $? hello 0 $ echo hello | grep -q he ; echo $? 0 You can sp...
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Android WebView style background-color:transparent ignored on android 2.2

... riwnodennyk 6,87622 gold badges3030 silver badges3636 bronze badges answered May 5 '11 at 14:47 scottyabscottyab ...
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How to upper case every first letter of word in a string? [duplicate]

... answered Jul 19 '09 at 13:11 akarnokdakarnokd 61.8k1414 gold badges131131 silver badges173173 bronze badges ...
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postgresql - sql - count of `true` values

... 10 Answers 10 Active ...