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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?

...', '2014-08-20 18:47:42'); Query OK, 2 rows affected (0.04 sec) mysql> SELECT * FROM test; +----+------+---------------------+ | id | data | ts | +----+------+---------------------+ | 1 | New | 2014-08-20 18:47:42 | +----+------+---------------------+ 1 row in set (0.00 sec) ...
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get CSS rule's percentage value in jQuery

...ks fine, you have to add class="largeField" to the span, currently you are selecting an empty set. – Adam Lassek Jan 24 '12 at 0:19 ...
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Creating a CSS3 box-shadow on all sides but one

... applying the styles recommended, you still end up with a shadow over the 'selected' tab. Seems as though there is an overflow: hidden missing? – Bob Spryn Sep 7 '10 at 22:04 1 ...
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How does the Google “Did you mean?” Algorithm work?

...ults than using n-gram indexing, as described above. In each case you must select the best correction from a list. This may be a distance metric such as levenshtein, the keyboard metric, etc. For a multi-word phrase, only one word may be misspelled, in which case you can use the remaining words as c...
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Microsoft Excel mangles Diacritics in .csv files?

... select UTF-8 enconding when importing. if you use Office 2007 this is where you chose it : right after you open the file. share | ...
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Vagrant error: NFS is reporting that your exports file is invalid

... this is a misleading answer. please select the colinhoemig's answer as its much more helpful! – enjalot Apr 15 '14 at 2:28 3 ...
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Is there a “goto” statement in bash?

... goto is more than selecting. goto feature means to be able to jump to places acording to some conditions, creating even a loop like flow... – Sergio Abreu Jan 2 '17 at 22:29 ...
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How can I time a code segment for testing performance with Pythons timeit?

... Rather than select a clock by hand, use timeit.default_timer; Python has already done the work for you. But really, you should use timeit.timeit(myfast, number=n) instead of re-inventing the repetitive call wheel (and miss the fact that ...
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How safe is it to store sessions with Redis?

.../value pair, you can GET it immediately (i.e in real-time). The policy you select with regards to persistence (how much you delay the writes) will determine the upper-bound for how much data could be lost in a crash. share ...
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Avoid browser popup blockers

... Interestingly, popups initiated through a change event bound to a select element will get blocked (in Chrome, not FF), even though that event is initiated by a direct user action, like a click. Although if bound to an input, they're allowed. Strange. – ccnokes ...