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What does “S3 methods” mean in R?
...ed. There are quite a few disadvantages to this way of dispatching methods based upon an attribute (class) of objects (and C purists probably lie awake at night in horror of it), but for a lot of situations, it works decently. With the current version of R, newer ways have been implemented (S4 and r...
Unable to find the wrapper “https” - did you forget to enable it when you configured PHP?
...
I solved it in XAMPP by uncommenting ;extension=php_openssl.dll in /apache/bin/php.ini despite phpinfo() telling me /php/php.ini was the loaded ini file.
EDIT: I guess Ezra answer is the best solution directly adding the extension line to the appropriate ini file.
...
How to make an HTML back link?
...benefit of covering the case that the referring page opened with a target="_blank" attribute on the link, which history.go(-1) does not.
– Chris Krycho
Dec 5 '12 at 3:52
4
...
Loaded nib but the 'view' outlet was not set
...xception 'NSInternalInconsistencyException', reason:
'-[UIViewController _loadViewFromNibNamed:bundle:] loaded the
"MySettingsView" nib but the view outlet was not set.'
It was evidently still "confused", trying to load MySettingsView.xib instead of MySettingsView Controller.xib. Maybe its "do...
How do I save a String to a text file using Java?
... Need to close that file though at some point...? codecodex.com/wiki/ASCII_file_save#Java
– JStrahl
Jun 22 '12 at 8:03
2
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Need to ZIP an entire directory using Node.js
...
I ended up using archiver lib. Works great.
Example
var file_system = require('fs');
var archiver = require('archiver');
var output = file_system.createWriteStream('target.zip');
var archive = archiver('zip');
output.on('close', function () {
console.log(archive.pointer() + ' to...
Add an element to an array in Swift
...e latter syntax to avoid confusing myself.
– original_username
Jul 7 '14 at 5:56
11
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Regular Expression For Duplicate Words
...ne used in the Eclipse search/replace dialog.
– Chaos_99
May 24 '13 at 12:11
3
Just a warning, th...
How to update npm
...get autoremove
sudo apt-get clean
curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
sudo apt-get install nodejs
Then :
curl https://raw.githubusercontent.com/creationix/nvm/v0.33.2/install.sh | sh
After this, open a new terminal and check the npm version:
npm --version
EDIT / UP...
Accessing member of base class
...keyword in order to avoid confusion between a specialised function and the base class function. For example, if you called move() or this.move() you would be dealing with the specialised Snake or Horse function, so using super.move() explicitly calls the base class function.
There is no confusion o...