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Remove excess whitespace from within a string
...ve it.
If you are dealing with extra spaces within a string consider a preg_replace of multiple whitespaces " "* with a single whitespace " ".
Example:
$foo = preg_replace('/\s+/', ' ', $foo);
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How can the Euclidean distance be calculated with NumPy?
...er too much if you use sqrt-sum with axis=0, linalg.norm with axis=0, or
a_min_b = a - b
numpy.sqrt(numpy.einsum('ij,ij->j', a_min_b, a_min_b))
which is, by a slight margin, the fastest variant. (That actually holds true for just one row as well.)
The variants where you sum up over the second...
How to find the sum of an array of numbers
...MAScript 6), it can be this pretty:
const sum = [1, 2, 3].reduce((partial_sum, a) => partial_sum + a,0);
console.log(sum); // 6
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NSRange to Range
...nd 2, so depending on which Swift you're using:
Swift 3.0
func textField(_ textField: UITextField,
shouldChangeCharactersIn range: NSRange,
replacementString string: String) -> Bool {
let nsString = textField.text as NSString?
let newString = nsString?.replaci...
Is there a way to programmatically scroll a scroll view to a specific edit text?
...
private final void focusOnView(){
your_scrollview.post(new Runnable() {
@Override
public void run() {
your_scrollview.scrollTo(0, your_EditBox.getBottom());
}
});
}
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How to Apply Corner Radius to LinearLayout
I want to make a layout with a rounded border. How can I apply a radius of a particular size in a LinearLayout ?
4 Answers...
What happens if you don't commit a transaction to a database (say, SQL Server)?
...ion, it's still "running" and potentially holding locks.
If your client (application or user) closes the connection to the database before committing, any still running transactions will be rolled back and terminated.
shar...
Gson - convert from Json to a typed ArrayList
... is an interface implemented by different kinds of logs made by my Android app--SMS logs, call logs, data logs--and this ArrayList is a collection of all of them. I keep getting an error in line 6.
...
What is Prism for WPF?
...soft Patterns and Practices Team official guidance for building "composite applications" in WPF and Silverlight.
Its intended to provide guidance on the best practices for building large scale applications which are flexible in terms of development and maintainability.
This includes guidance on de...
Do spurious wakeups in Java actually happen?
... calls in Unix derived systems. This made the kernel lots simpler, but the application programmers bought the burden.
– Tim Williscroft
Jul 25 '11 at 1:10
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