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How to make the first option of selected with jQuery

...l($("#target option:first").val()); will work in IE6, because you are literally looking up the first value, and entering it as target's value. Two id lookups instead of one. – Nicholi Feb 4 '12 at 1:56 ...
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How do you reverse a string in place in JavaScript?

... might want to consider this answer instead. [...s] is Unicode aware, a small edit gives:- function reverse(s){ return [...s].reverse().join(""); } share | improve this answer | ...
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How to navigate through textfields (Next / Done Buttons)

How can I navigate through all my text fields with the "Next" Button on the iPhone Keyboard? 34 Answers ...
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Utility classes are evil? [closed]

...d object-oriented design, most classes should represent a single thing and all of its attributes and operations. If you are operating on a thing, that method should probably be a member of that thing. However, there are times when you can use utility classes to group a number of methods together ...
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Java LinkedHashMap get first or last entry

... entry is possible, but will entail iterating over the whole entry set by calling .next() until you reach the last. while (iterator.hasNext()) { lastElement = iterator.next() } edit: However, if you're willing to go beyond the JavaSE API, Apache Commons Collections has its own LinkedMap implementa...
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How to unload a package without restarting R

...nt version and a stable version in different libraries). To guarantee that all copies are detached, use this function. detach_package <- function(pkg, character.only = FALSE) { if(!character.only) { pkg <- deparse(substitute(pkg)) } search_item <- paste("package", pkg, sep = ":...
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How to 'insert if not exists' in MySQL?

... any AUTO_INCREMENT column with failed insert. Probably because it's not really failed, but UPDATE'd. – not2qubit Oct 29 '13 at 21:36  |  show...
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PHP json_decode() returns NULL with valid JSON?

...ters since I started the application and there were no problems before. Locally, the JSON decoding works perfectly. On my server, it doesn't. And I can't call json_last_error() because it's PHP 5.2.9. That function appears on PHP 5.3.0. – Joel A. Villarreal Bertoldi ...
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MySQL “between” clause not inclusive?

...t; 23:59:59 and t < 24:00:00. Why deal with poorly specified BETWEEN at all? Rather follow David's advice and use: WHERE dob >= '2011-01-01' AND dob < '2011-02-01'. Best performance, and it works every time. – Disillusioned Feb 27 '17 at 9:13 ...
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GSON - Date format

... This won't really work at all. There is no date type in JSON. I would recommend to serialize to ISO8601 back and forth (for format agnostics and JS compat). Consider that you have to know which fields contain dates. ...