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Permutations in JavaScript?
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If you notice, the code actually splits the chars into an array prior to do any permutation, so you simply remove the join and split operation
var permArr = [],
usedChars = [];
function permute(input) {
var i, c...
How to export collection to CSV in MongoDB?
...hemaless; CSV, on the other hand, has a fixed layout for columns. Without knowing what fields are used in different documents it's impossible to output the CSV dump.
If you have a fixed schema perhaps you could retrieve one document, harvest the field names from it with a script and pass it to mong...
Use underscore inside Angular controllers
...om Angular code as-is.
You can also wrap it up in a service or a factory, if you'd like it to be injected:
var underscore = angular.module('underscore', []);
underscore.factory('_', ['$window', function($window) {
return $window._; // assumes underscore has already been loaded on the page
}]);
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How do you debug PHP scripts? [closed]
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Is there a way to beautify the "var_dump" ?
– RPDeshaies
Mar 12 '14 at 20:36
6
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Xcode build failure “Undefined symbols for architecture x86_64”
...h.framework, but it's not there :S
– Menno van der Krift
Oct 8 '15 at 9:37
That's odd, it should be there.
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how to check and set max_allowed_packet mysql variable [duplicate]
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@YusufIbrahim Short answer: I don't know. But a quick scan of this article suggests that it should be possible.
– morphatic
Nov 29 '19 at 18:54
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When do I use the PHP constant “PHP_EOL”?
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From main/php.h of PHP version 7.1.1 and version 5.6.30:
#ifdef PHP_WIN32
# include "tsrm_win32.h"
# include "win95nt.h"
# ifdef PHP_EXPORTS
# define PHPAPI __declspec(dllexport)
# else
# define PHPAPI __declspec(dllimport)
# endif
# define PHP_DIR_SEPARATOR ...
Adding gif image in an ImageView in android
...animation is there. It's appearing just as a still image. I would like to know how can i show it as a gif image.
18 Answers...
How to assign colors to categorical variables in ggplot2 that have stable mapping?
...me. Managing the factors levels in multiple data frames can become tedious if they are being pulled from separate files and not all factor levels appear in each file.
One way to address this is to create a custom manual colour scale as follows:
#Some test data
dat <- data.frame(x=runif(10),y=ru...
Update multiple columns in SQL
...equired. I am currently engaged in so doing and in SQL Server 2012 you can now update more than 1 column per @John Woo answer below.
– Hilary
Aug 24 '16 at 10:59
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