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Using “Object.create” instead of “new”
...type = o
return new F()
}
This fills the userB own properties, in the order they are defined, using the Object.gen parameters from left to right after the userB parameter. It uses the for(prop in o) loop so, by ECMA standards, the order of property enumeration cannot be guaranteed the same as t...
Convert base class to derived class [duplicate]
...mmend that. Take a look at the Decorator Pattern if you want to do this in order to extend the functionality of an existing object.
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file_put_contents - failed to open stream: Permission denied
... The webserver does not need to have the permission to execute the file in order to change its content. Those write permissions should only be given to files in that directory.
All other users should not be given any permission.
For directories that do not require to change its files are group per...
What does the PHP error message “Notice: Use of undefined constant” mean?
...;
}
Referring to a class constant without specifying the class scope
In order to refer to a class constant you need to specify the class scope with ::, if you miss this off PHP will think you're talking about a global define().
Eg:
class MyClass {
const MY_CONST = 123;
public function my_m...
Compare two dates with JavaScript
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You can also compare the numeric values of your dates in order to avoid comparing the objects themselves: date1.valueOf() == date2.valueOf()
– madprog
Nov 6 '14 at 13:56
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ActiveModel::ForbiddenAttributesError when creating new user
...put by seeing if your controller will respond to the following methods (in order):
create_params
<model_name>_params such as article_params (this is
the default convention in rails for naming your param method)
resource_params (a generically named method you could specify in
each controller)...
git pull from master into the development branch
... command can be done at any point before the merge, i.e., you can swap the order of the fetch and the checkout, because fetch just goes over to the named remote (origin) and says to it: "gimme everything you have that I don't", i.e., all commits on all branches. They get copied to your repository, ...
What are the security risks of setting Access-Control-Allow-Origin?
I recently had to set Access-Control-Allow-Origin to * in order to be able to make cross-subdomain ajax calls.
Now I can't help but feel that I'm putting my environment to security risks.
Please help me if I'm doing it wrong.
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What's “tools:context” in Android layout files?
...ction; an activity can call setContentView(layout) to display a layout) in order to drive certain features.
Right now, we're using it for one thing only: Picking the right theme to show for a layout (since the manifest file can register themes to use for an activity, and once we know the activity a...
Understanding Spliterator, Collector and Stream in Java 8
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