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How to filter a dictionary according to an arbitrary condition function?
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Upvote! This is more than two times faster than Martellis more general approach. Note that you can use views as well (like iteitems, they are NOT a copy of the dict items): {k: v for k, v in points.viewitems() if v[0] < 5 and v[1] < 5}
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Max length UITextField
...ehavior when you use emojis. The cursor skips to the end of the line every time you try to edit.
– Phontaine Judd
Dec 31 '19 at 3:03
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passport.js RESTful auth
...book callback is to redirect back to the rich client application, but this time we need to pass the username and the access token to the client so that it can use them. This can be done in a number of ways. For example, Javascript variables can be added to the page through a server-side template eng...
Difference between int[] array and int array[]
...a difference (I forgot because I never declare more than one variable at a time):
int[] foo, bar; // both are arrays
int foo[], bar; // foo is an array, bar is an int.
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Checking if a variable is defined?
...return nil as well unless you really want to evaluate the expression every time it's called when it does return nil
– nzifnab
Nov 19 '12 at 23:58
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How do I create a comma-separated list from an array in PHP?
...ou'd want to do this if you have to do some other manipulation at the same time. For example, maybe you want to quote each fruit and then separate them all by commas:
$prefix = $fruitList = '';
foreach ($fruits as $fruit)
{
$fruitList .= $prefix . '"' . $fruit . '"';
$prefix = ', ';
}
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Objective-C parse hex string to integer
...probably be faster, but unless you are doing this thousands or millions of times I doubt you'd feel the performance hit.
– dreamlax
Dec 6 '11 at 21:30
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Why I cannot cout a string?
...d. using namespace std instead of using scope resolution operator :: every time makes is easier and cleaner.
#include<iostream>
#include<string>
using namespace std;
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Android Use Done button on Keyboard to click button
...ndroid 4.2.2 and does not even match the android sdk documentation at this time)
– James
May 1 '14 at 1:20
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Text vertical alignment in WPF TextBlock
...may be a pain to add the border and set the properties of the border every time you want to do this. Another quick way is to set the padding of the text block:
<TextBlock Height="22" Padding="3" />
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