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Function overloading by return type?
...nt join " ", localtime(); # printed "58 11 2 14 0 109 3 13 0" for me right now
print scalar localtime(); # printed "Wed Jan 14 02:12:44 2009" for me right now.
Every operator in Perl does something in scalar context and something in list context, and they may be different, as illustrated. (This i...
push_back vs emplace_back
...lue_type it takes a variadic list of arguments, so that means that you can now perfectly forward the arguments and construct directly an object into a container without a temporary at all.
That's useful because no matter how much cleverness RVO and move semantic bring to the table there is still c...
Most Useful Attributes [closed]
I know that attributes are extremely useful. There are some predefined ones such as [Browsable(false)] which allows you to hide properties in the properties tab. Here is a good question explaining attributes: What are attributes in .NET?
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Defining custom attrs
... only xmlns:android="http://schemas.android.com/apk/res/android". You must now also add xmlns:whatever="http://schemas.android.com/apk/res-auto".
Example:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:whatever="ht...
Installing R with Homebrew
... I got error: Error: homebrew/science was deprecated. This tap is now empty as all its formulae were migrated.
– Menglong Li
Jul 3 '18 at 13:24
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How to use arguments from previous command?
I know that Esc + . gives you the last argument of the last command.
11 Answers
11...
CSS text-transform capitalize on all caps
... = ucwords(strtolower($text)); // All Caps
jQuery example (it's a plugin now!):
// Uppercase every first letter of a word
jQuery.fn.ucwords = function() {
return this.each(function(){
var val = $(this).text(), newVal = '';
val = val.split(' ');
for(var c=0; c < val.length; c++) ...
Installing Bower on Ubuntu
...odejs
When this has installed, check the version:
npm --version
1.4.3
Now install Bower:
sudo npm install -g bower
This will fetch and install Bower globally.
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Applying .gitignore to committed files
I have committed loads of files that I now want to ignore. How can I tell git to now ignore these files from future commits?
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Understanding events and event handlers in C#
...say these methods have the same signature, or shape, as the delegate.
So knowing how to create a reference to a method, let's think about the purpose of events: we want to cause some code to be executed when something happens elsewhere in the system - or "handle the event". To do this, we create sp...