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What does the smiley face “:)” mean in CSS?

...property will be applied in IE and not in other browsers. Also there's a hack for <= IE 8: div { color: blue; /* All browsers */ color: purple\9; /* IE8 and earlier */ *color: pink; /* IE7 and earlier */ } However that's not a good idea, they don't validate. You always feel f...
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+ operator for array in PHP?

... @icc97 they are indeed only HashMaps. See nikic.github.io/2014/12/22/… – Gordon Nov 21 '16 at 13:33 2 ...
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Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]

...HA, and used it to manipulate Time.com's annual TIME 100 Poll results. Hacking Recaptcha (aka ‘The Penis Flood’) The next tactic used was to see if they could find a flaw in the reCAPTCHA implementation. One thing they discovered about reCAPTCHA was that it always presents two words to...
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What is the best way to stop people hacking the PHP-based highscore table of a Flash game

...s discovered, implement a honeypot so whenever they log in, they see their hacked scores and never suspect that they have been marked as a troll. Google for "phpBB MOD Troll" and you'll see an ingenious approach. share ...
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CSS - Expand float child DIV height to parent's height

... @MatthewBlackford: it's a "hack" in that it prevent margin collapsing. You could prevent margin collapsing in other ways, such as using a 1px transparent border, but in essence, but the important thing here is that you avoid margin collapse. I wouldn...
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Is it possible to Pivot data using LINQ?

... Amy BAmy B 97.7k2020 gold badges126126 silver badges172172 bronze badges ...
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Is there a builtin identity function in python?

... Paul MoorePaul Moore 4,89744 gold badges3131 silver badges4343 bronze badges ...
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pandas: filter rows of DataFrame with operator chaining

... A B C D a 1 4 9 1 b 4 5 0 2 c 5 5 1 0 d 1 3 9 6 In [97]: df.mask('A', 1) Out[97]: A B C D a 1 4 9 1 d 1 3 9 6 In [98]: df.mask('A', 1).mask('D', 6) Out[98]: A B C D d 1 3 9 6 ...
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jQuery hasAttr checking to see if there is an attribute on an element [duplicate]

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How can one change the timestamp of an old commit in Git?

...mple: If you wanted to change the dates of commit 119f9ecf58069b265ab22f1f97d2b648faf932e0, you could do so with something like this: git filter-branch --env-filter \ 'if [ $GIT_COMMIT = 119f9ecf58069b265ab22f1f97d2b648faf932e0 ] then export GIT_AUTHOR_DATE="Fri Jan 2 21:38:53 20...