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Click Event on UIImageView programmatically in ios
...wift 3
On UIImageView enable UserInterAction
override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
super.touchesEnded(touches, with: event)
if let touch = touches.first {
if touch.view == self.imgVwPostPreview { //image View property
...
How do you get the magnitude of a vector in Numpy?
...4,5])
np.linalg.norm(x)
You can also feed in an optional ord for the nth order norm you want. Say you wanted the 1-norm:
np.linalg.norm(x,ord=1)
And so on.
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Is there a perfect algorithm for chess? [closed]
... be an indefinite number of probabilities that the algorithm can change in order for it to be perfect
– John Demetriou
Dec 4 '12 at 20:21
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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
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In advanced functions, you must use $PSCmdlet.ThrowTerminatingError() in order to generate a statement-terminating error.
Note that, by contrast, the Throw keyword generates a script-terminating error that aborts the entire script (technically: the current thread).
Handling a statement-terminatin...
How do you unit test private methods?
...etimes like to call private methods from test methods. Most of the time in order to prevent code duplication for test data generation...
Microsoft provides two mechanisms for this:
Accessors
Goto the class definition's source code
Right-click on the name of the class
Choose "Create Private Acces...
GitHub: make fork an “own project”
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In order to do this you need to duplicate the repository. The short version is:
Create a new repository on GitHub.
Clone the forked repository you want to detach from its parent.
Push all branches in this clone to your new re...
How to convert floats to human-readable fractions?
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If the the output is to give a human reader a fast impression of the order of the result, it makes no sense return something like "113/211", so the output should limit itself to using one-digit numbers (and maybe 1/10 and 9/10). If so, you can observe that there are only 27 different fraction...
Is there a way to create your own html tag in HTML5?
...et (think css reset) -
Example:
stack{display:block;margin:0;padding:0;border:0; ... }
STEP 2
To get it to work in old versions of Internet Explorer, you need to append this script to the head (Important if you need it to work in older versions of IE!):
<!--[if lt IE 9]>
<script&g...
How do you close/hide the Android soft keyboard using Java?
... Android's API to the keyboard. BUT! You are required to have a Context in order to get access to the IMM. Now we have a problem. I may want to hide the keyboard from a static or utility class that has no use or need for any Context. or And FAR worse, the IMM requires that you specify what View (or...
What is the difference between Caching and Memoization?
...trol of the caching policy in your function, whereas memoization is higher order and happens outside the function I guess.
– nicolas
May 1 '14 at 8:41
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