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UIBarButtonItem with custom image and no border

...ation code here } @end So anywhere in your code you can create bar item calling this method (provided that you include a header with its declaration). P.S. You do not need to use 'v' UIView as you can create UIBarButtonItem with a button as custom view directly. P.P.S. You also need [forward rel...
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Android - Camera preview is sideways

... as a bug with certain hardware see here but can be overcome by using the call to mCamera.setDisplayOrientation(degrees) available in API 8. So this is how I implement it: public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { if (isPreviewRunning) { ...
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What are Flask Blueprints, exactly?

...he string mold in Blueprint("mold", __name__) – Codevalley Aug 7 '17 at 6:48 8 ...
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MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术

...{AFX_DATA_MAP(CPrintDlg) ""// NOTE: the ClassWizard will add DDX and DDV calls here "DDX_Control(pDX, IDC_MyButton, m_button); "//}}AFX_DATA_MAP 然后可以在该函数的最后进行初始化: "m_button.EnableWindow(FALSE); 到这里已经实现了改变属性。如果要动态改变其属...
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What's the difference between “ ” and “ ”?

...least (as far as I remember, IE7 has the same issue), if you have an empty table element, it will not apply styling, for example borders, to the element, if there is no content, or only white space. So the following will not be rendered with borders: <td></td> <td> <td> Wh...
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Avoid browser popup blockers

...m javascript that is not invoked by direct user action. That is, you can call window.open in response to a button click without getting hit by the popup blocker, but if you put the same code in a timer event it will be blocked. Depth of call chain is also a factor - some older browsers only look a...
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How to delete all Annotations on a MKMapView

Is there a simple way to delete all the annotations on a map without iterating through all the displayed annotations in Objective-c? ...
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What are best practices for validating email addresses on iOS 2.0

... ; "]", or "\" Yes, that means +, ', etc are all legit. share | improve this answer | follow | ...
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pytest: assert almost equal

... I noticed that this question specifically asked about py.test. py.test 3.0 includes an approx() function (well, really class) that is very useful for this purpose. import pytest assert 2.2 == pytest.approx(2.3) # fails, default is ± 2.3e-06 assert 2.2 == pyte...
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ios Upload Image and Text using HTTP POST

...programmed to accept. NSMutableDictionary* _params = [[NSMutableDictionary alloc] init]; [_params setObject:[NSString stringWithString:@"1.0"] forKey:[NSString stringWithString:@"ver"]]; [_params setObject:[NSString stringWithString:@"en"] forKey:[NSString stringWithString:@"lan"]]; [_params setObje...