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How do I expire a PHP session after 30 minutes?

...php if (isset($_POST['submit'])) { $v1 = "FirstUser"; $v2 = "MyPassword"; $v3 = $_POST['text']; $v4 = $_POST['pwd']; if ($v1 == $v3 && $v2 == $v4) { $_SESSION['luser'] = $v1; $_SESSION['start'] = time(); // Taking now logged...
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What is the best (and safest) way to merge a Git branch into master?

...ample, for advanced operations, please refer to http://git-scm.com/book/en/v2/Git-Branching-Rebasing git checkout master git pull git checkout test git pull git rebase -i master git checkout master git merge test Yep, when you have uppers done, all the Test branch's commits will be moved onto the...
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Deleting DataFrame row in Pandas based on column value

... jezrael 548k4747 gold badges722722 silver badges737737 bronze badges answered Jun 30 '14 at 11:56 wonderkid2wonderkid2 ...
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Schema for a multilanguage database

... This option is similar to my option nr 1 but better. It is still hard to maintain and requires creating new tables for new languages, so I'd be reluctant to implement it. – qbeuek Nov 27 '08 at 10:22 ...
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How do I detect if software keyboard is visible on Android Device or not?

... 72 There is no direct way - see http://groups.google.com/group/android-platform/browse_thread/thre...
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What does FETCH_HEAD in Git mean?

... it release_1 locally. (It is source:dest, see https://git-scm.com/book/en/v2/Git-Internals-The-Refspec; just in case you'd like to give it a different name!) You might want to use FETCH_HEAD at times though:- git fetch gitserver bugfix1234 git cherry-pick FETCH_HEAD might be a nice way of usin...
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How to use UIVisualEffectView to Blur Image?

...tLabel setText:@"Vibrant"]; [vibrantLabel setFont:[UIFont systemFontOfSize:72.0f]]; [vibrantLabel sizeToFit]; [vibrantLabel setCenter: self.view.center]; // Add label to the vibrancy view [[vibrancyEffectView contentView] addSubview:vibrantLabel]; // Add the vibrancy view to the blur view [[blurEf...
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What is the smallest possible valid PDF?

... opens it, but it complains somewhat. There is one page in it and it is 3/72" square, the minimum allowed by the spec. However, Acrobat X doesn't even bother with the cross reference table anymore, so we can take that out: %PDF-1.0 1 0 obj<</Type/Catalog/Pages 2 0 R>>endobj 2 0 obj&l...
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How does python numpy.where() work?

...55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99]),) >>> np.where(a == 90) (array([90]),) a = a*40 >>> np.where(a > 1000) (arra...
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Why em instead of px?

... related to each other; that is, 1in is always 96px, just as 1in is always 72pt. (Note that 1in is almost never actually a physical inch when talking about screen-based media). All absolute measurements assume a nominal screen resolution of 96ppi and a nominal viewing distance of a desktop monitor...