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Click Event on UIImageView programmatically in ios

...r *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapDetected)]; singleTap.numberOfTapsRequired = 1; [preArrowImage setUserInteractionEnabled:YES]; [preArrowImage addGestureRecognizer:singleTap]; -(void)tapDetected{ NSLog(@"single Tap on imageview"); } SWIF...
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PHP完美实现GIF动画缩略图 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...osed forms of the previous image in the sequence. From this it attempts to select the smallest cropped image to replace each frame, while preserving the results of the animation. BTW:如果要求更完美一点,可以使用quantizeImages方法进一步压缩。 注意:不管是coalesceimag...
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Find TODO tags in Eclipse

...d stub" in Containing Text field Enter "*.java" in Filename patterns field Select proper scope share | improve this answer | follow | ...
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How to remove unused imports in Intellij IDEA on commit?

... In IntelliJ, select the project you want to optimize imports on, go to Code menu and choose Optimize imports and a small Optimize Imports popup window will appear. On the popup window you need to click on Run button. Or alternatively, on ...
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Whether a variable is undefined [duplicate]

... jQuery.val() and .text() will never return 'undefined' for an empty selection. It always returns an empty string (i.e. ""). .html() will return null if the element doesn't exist though.You need to do: if(page_name != '') For other variables that don't come from something like jQuery.val(...
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Delete a line in Eclipse

...Visual Studio, you would use Ctrl + L , whereas in Eclipse I am forced to select a line or, if it is empty, go the beginning of the line before clicking delete/backspace. ...
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Conditionally Remove Dataframe Rows with R [duplicate]

... NA's killed my two hours :D Note that it will also select NA's – Ioane Sharvadze Feb 24 '17 at 20:18 add a comment  |  ...
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argparse: identify which subparser was used [duplicate]

...l "only contain attributes for the main parser and the sub parser that was selected". Unfortunately this may not be enough information to determine which sub parser was used. The documentation recommends using the set_defaults(...) method on the sub parser to solve this problem. For example, I've a...
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Get element type with jQuery

...e type of an element with jQuery? For example, is the element a div, span, select, or input? 7 Answers ...
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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v

... Open Terminal. Go to Edit -> Profile Preferences. Select the Title & command Tab in the window opened. Mark the checkbox Run command as login shell. close the window and restart the Terminal. Check this Official Link ...