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Detect if a NumPy array contains at least one non-numeric value?

...really the fastest way to do this? i) Doesn't numpy.isnan(a).any() involve allocating a large temporary array (it is it a view). ii) If the first element is NAN, does this solution involve iterating over the full array? If I set the first element to NAN, this still takes about 5microseconds, which s...
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UITextField border color

... Try this: UITextField *theTextFiels=[[UITextField alloc]initWithFrame:CGRectMake(40, 40, 150, 30)]; theTextFiels.borderStyle=UITextBorderStyleNone; theTextFiels.layer.cornerRadius=8.0f; theTextFiels.layer.masksToBounds=YES; theTextFiels.backgroundColor=[U...
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Why is  appearing in my HTML? [duplicate]

... Try: <?php // Tell me the root folder path. // You can also try this one // $HOME = $_SERVER["DOCUMENT_ROOT"]; // Or this // dirname(__FILE__) $HOME = dirname(__FILE__); // Is this a Windows host ? If it is, change this line to $W...
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proper way to sudo over ssh

...ssh -t user@server "sudo script" See man ssh: -t Force pseudo-tty allocation. This can be used to execute arbi- trary screen-based programs on a remote machine, which can be very useful, e.g., when implementing menu services. Multiple -t options force tty alloca...
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Giving UIView rounded corners

...:CGSizeMake(radius, radius)]; CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init]; maskLayer.frame = view.bounds; maskLayer.path = maskPath.CGPath; [view.layer setMask:maskLayer]; [maskLayer release]; } The cool part about it is that you can select which corners you want roun...
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Why does a RegExp with global flag give wrong results?

...he re.lastIndex. This is strange because I would expect a new RegExp to be allocated each time the function is called and not shared across multiple invocations of my function. When I changed it to: var re = new RegExp('^([^-]+)-([^-]+)-([^-]+)$', 'g'); Then I don't get the lastIndex holdover ef...
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How can I concatenate two arrays in Java?

... @djBo: what about:ByteBuffer buffer = ByteBuffer.allocate(array1.length + array2.length); buffer.put(array1); buffer.put(array2); return buffer.array(); – Sam Goldberg Dec 2 '11 at 15:29 ...
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java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android

...problem isn't handling many images, it's that your images aren't getting deallocated when your activity is destroyed. It's difficult to say why this is without looking at your code. However, this article has some tips that might help: http://android-developers.blogspot.de/2009/01/avoiding-memory-l...
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Mapping over values in a python dictionary

...e function the way you want (the name chosen in this answer is inspired by PHP's array_walk() function). Note: Neither the try-except block nor the return statements are mandatory for the functionality, they are there to further mimic the behavior of the PHP's array_walk. ...
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Getting the index of the returned max or min item using max()/min() on a list

...ed Mar 18 '10 at 23:23 too much phptoo much php 78.8k3333 gold badges120120 silver badges133133 bronze badges ...