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Error to install Nokogiri on OSX 10.9 Maverick?

...nswered Nov 6 '13 at 8:50 thomas_wittthomas_witt 2,57922 gold badges99 silver badges55 bronze badges ...
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window.close and self.close do not close the window in Chrome

...ion" exploit. So code like this used to work in general: open(location, '_self').close(); This is buggy behavior, IMO, and is now (as of roughly April 2015) mostly blocked. It will still work from injected code only if the tab is freshly opened and has no pages in the browsing history. So it'...
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Android Get Current timestamp?

... you are using System.currentTimeMillis(), consider listening to the ACTION_TIME_TICK, ACTION_TIME_CHANGED and ACTION_TIMEZONE_CHANGED Intent broadcasts to find out when the time changes. share | i...
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powershell - extract file name and extension

... select -ExpandProperty value $b | % {"File name:{0} - Extension:{1}" -f $_.substring(0, $_.lastindexof('.')) , $_.substring($_.lastindexof('.'), ($_.length - $_.lastindexof('.'))) } If is a file you can use something like this based on your needs: $a = dir .\my.file.xlsx # or $a = get-item c:\m...
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Why is nginx responding to any domain name?

... domains. # Default server server { return 404; } server { server_name domain_1; [...] } server { server_name domain_2; [...] } etc ** EDIT ** It seems some users are a bit confused by this example and think it is limited to a single conf file etc. Please note that the a...
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MLKitFaceMesh 拓展:面部网格(468 个关键点) · App Inventor 2 中文网

...join("检测到 ", faceCount, " 张脸,", pointCount, " 个点") 标签_眼睛.Text = FaceMesh1.RegionPoints("LEFT_EYE", 1) } when FaceMesh1.NoFaceFound(operation) { 标签1.Text = "没检测到人脸,请让脸离镜头近一些、正对镜头" } when FaceMesh1.DetectFailed(operation, errorM...
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How to update a menu item shown in the ActionBar?

...e-writing the desire text worked without problems: if (mnuTopMenuActionBar_ != null) { MenuItem mnuPageIndex = mnuTopMenuActionBar_ .findItem(R.id.menu_magazin_pageOfPage_text); if (mnuPageIndex != null) { if (getScreenOrientation() == 1) { mnuPageIndex.setTitle...
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How to detect iPhone 5 (widescreen devices)?

...eight of 568. You can imagine a macro, to simplify all of this: #define IS_IPHONE_5 ( fabs( ( double )[ [ UIScreen mainScreen ] bounds ].size.height - ( double )568 ) < DBL_EPSILON ) The use of fabs with the epsilon is here to prevent precision errors, when comparing floating points, as pointe...
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How to get RGB values from UIColor?

...rView.backgroundColor;//line 2 CGColorRef colorRef = [color CGColor]; int _countComponents = CGColorGetNumberOfComponents(colorRef); if (_countComponents == 4) { const CGFloat *_components = CGColorGetComponents(colorRef); CGFloat red = _components[0]; CGFloat green = _components[1...
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?

...stdint.h> seems to be the proper way to ensure bitwidths using the int##_t types, though it's not yet part of the standard.] share | improve this answer | follow ...