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Why does instanceof return false for some literals?

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What is the difference between parseInt() and Number()?

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When to use f:viewAction / preRenderView versus PostConstruct?

... 120 When should one use the f:viewAction or preRenderView event to initialize data for a page ver...
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SQL UPDATE all values in a field with appended string CONCAT not working

...; select * from t; +------+-------+ | id | data | +------+-------+ | 1 | max | | 2 | linda | | 3 | sam | | 4 | henry | +------+-------+ 4 rows in set (0.02 sec) mysql> update t set data=concat(data, 'a'); Query OK, 4 rows affected (0.01 sec) Rows matched: 4 Changed: 4 Warnin...
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How to create a temporary directory and get the path / file name in Python

... 214 Use the mkdtemp() function from the tempfile module: import tempfile import shutil dirpath = ...
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What is the in a .vimrc file?

... 1025 The <Leader> key is mapped to \ by default. So if you have a map of <Leader>t, y...
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Difference between android-support-v7-appcompat and android-support-v4

... 170 UPDATE There are many changes done into support library since this question was answered. Goo...
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Sending a JSON to server and retrieving a JSON in return, without JQuery

... } }; var data = JSON.stringify({"email": "hey@mail.com", "password": "101010"}); xhr.send(data); Sending and receiving data in JSON format using GET method // Sending a receiving data in JSON format using GET method // var xhr = new XMLHttpRequest(); var url = "url?data=" + encodeURICo...
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jQuery get the location of an element relative to window

...lement and calculate its relative position with respect to window Refer : 1. offset 2. scroll 3. scrollTop You can give it a try at this fiddle Following few lines of code explains how this can be solved when .scroll event is performed, we calculate the relative position of the element with resp...
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jQuery, get html of a whole element [duplicate]

... 197 You can clone it to get the entire contents, like this: var html = $("<div />").append(...