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Reference: What is variable scope, which variables are accessible from where and what are “undefined
...example, this function will print out the name of the user running the PHP script. The variable is available to the function without any problem.
<?php
function test() {
echo $_ENV["user"];
}
The general rule of "globals are bad" is typically amended in PHP to "globals are bad but superglo...
How to prevent a click on a '#' link from jumping to top of page?
...
you can even write it just like this:
<a href="javascript:void(0);"></a>
im not sure its a better way but it is a way :)
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Display two files side by side
...re displayed with sed is trivial comparing with writing/remembering an awk script. Even with both as functions in .bash_rc longer != better, more readable, faster.. what is the advantage here?
– Chris Seymour
Nov 12 '12 at 11:52
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form with no action and where enter does not reload page
...ctually cause a page reload in some browsers.. I've found that action="javascript:void(0);" works well.
– Dutchie432
Oct 17 '11 at 20:14
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Targeting both 32bit and 64bit with Visual Studio in same solution/project
...lveAssemblyWarnOrErrorOnTargetArchitectureMismatch>
Add this postbuild script to your startup project, use and modify the paths of this script sp that it copies all your x86/x64 dlls in corresponding subfolders of your build bin\x86\ bin\x64\
xcopy /E /H /R /Y /I /D $(SolutionDir)\YourPathToX86...
How to remove non-alphanumeric characters?
...of:
\p{L}: a letter from any language.
\p{N}: a numeric character in any script.
: a space character.
+ greedily matches the character class between 1 and unlimited times.
This will preserve letters and numbers from other languages and scripts as well as A-Z:
preg_replace('/[^\p{L}\p{N} ]+/', ...
How to rename a table in SQL Server?
... can find one of the many tools that can do this for you. Or you can use a script that finds a given string in all these objects, and paste them as ALTER statements, and do a find-and-replace, then run them all.
– MGOwen
Apr 19 '17 at 6:33
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How to customize ?
... chosen path after selection, you can listen for the change event with JavaScript and then read the path that the browser makes available to you (for security reasons it can lie to you about the exact path). A way to make it pretty for the end user is to simply use the base name of the path that is ...
Error: Argument is not a function, got undefined
...s, but this example is correct
SECOND check if you have imported your javascript file:
<script src="modules/community/controllers/CommunityMembersCtrl.js"></script>
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using lodash .groupBy. how to add your own keys for grouped output?
...((value, key) => ({ color: key, users: value }))
.value()
);
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js"></script>
Original Answer
var result = _.chain(data)
.groupBy("color")
.pairs()
.map(function(currentItem) {
...