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super() raises “TypeError: must be type, not classobj” for new-style class
...pe(OldStyle()) is the instance type, which does inherit from object. Basically, an old-style class just creates objects of type instance (whereas a new-style class creates objects whose type is the class itself). This is probably why the instance OldStyle() is an object: its type() inherits from ob...
What are the best practices for JavaScript error handling?
...roof, and I'm finding plenty of documentation on using try , catch , finally , and throw , but I'm not finding a ton of advice from experts on when and where to throw errors.
...
Why use the SQL Server 2008 geography data type?
...eographic location of the address. The only use case I have in mind is to allow users to map the coordinates on Google maps when the address cannot otherwise be found, which often happens when the area is newly developed, or is in a remote/rural location.
...
How to view revision history for Mercurial file?
...y to search directories recursively. This gives you immediately an list of all repositories in which the desired file was changed.
Alternatively, next to the ### filter text ### click first on the question mark sign and select "clean" to see all files in the repository. Then inside the ### filter t...
Show MySQL host via SQL Command
All good and well, but is it possible to show the current connections host.
Not connection_id, but the IP Address or Name of the host.
...
Mark current Line, and navigate through marked lines
... on the menus to Preferences>Key Bindings - Default this is a file with all the default key bindings. Read the whole thing! (lots of goodies) Here is a cut and paste of the bookmarks info (linux), which should be self explanatory.
{ "keys": ["f2"], "command": "next_bookmark" },
{ "keys": ["shift...
Best way to do multiple constructors in PHP
...
<?php
class Student
{
public function __construct() {
// allocate your stuff
}
public static function withID( $id ) {
$instance = new self();
$instance->loadByID( $id );
return $instance;
}
public static function withRow( array $row ) {
...
Why use @Scripts.Render(“~/bundles/jquery”)
...
Bundling is all about compressing several JavaScript or stylesheets files without any formatting (also referred as minified) into a single file for saving bandwith and number of requests to load a page.
As example you could create your ...
Adding Permissions in AndroidManifest.xml in Android Studio?
...
You can only type them manually, but the content assist helps you there, so it is pretty easy.
Add this line
<uses-permission android:name="android.permission."/>
and hit ctrl + space after the dot (or cmd + space on Mac). If you need an exp...
RSpec: What is the difference between a feature and a request spec?
...
The conceptual difference is that you're usually testing a user story, and all interaction should be driven via the user interface. That's where Capybara comes in. A request spec is still testing the behavior of your application and doesn't have the expectation of re...