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Copy files from one directory into an existing directory
... a directory and copy all the files into it. If you use the pretend folder called ".", which is the same as the directory holding it, the copy behaves this way. Let's say t1 contains a file called "file". cp will perform the operation equivalent to "cp t1/./file t2/./". It is copying the folder "."...
How do I create a Python function with optional arguments?
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Try calling it like: obj.some_function( '1', 2, '3', g="foo", h="bar" ). After the required positional arguments, you can specify specific optional arguments by name.
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Devise form within a different controller
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As Andres says, the form calls helpers which are specified by Devise and so aren't present when you access a Devise form from a non-Devise controller.
To get around this, you need to add the following methods to the helper class of the controller yo...
AngularJS : Where to use promises?
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Let's set aside AngularJS for a moment and just consider the Facebook API calls. Both the API calls use a callback mechanism to notify the caller when the response from Facebook is available:
facebook.FB.api('/' + item, function (result) {
if (result.error) {
// handle error
} els...
Using OR in SQLAlchemy
...use an & between them and the first (rather than using a second filter call) for the same effect?
– Chase Sandmann
Aug 14 '13 at 20:34
21
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Where's my JSON data in my incoming Django request?
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NB if you're using 1.4 this would be called request.body . raw_post_data is deprecated...
– prauchfuss
Oct 8 '12 at 3:46
3
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Returning JSON from a PHP Script
... What does it mean if this doesn't work? For example, to restrict only to calls from CodePen, I tried header('Access-Control-Allow-Origin: https://cdpn.io');, but I can still load the page from my own browser.
– ashleedawg
Jul 2 at 13:56
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Requirejs domReady plugin vs Jquery $(document).ready()?
... it's just a normal module that happens to be a function, which can take a callback that won't execute before the DOM is safe to interact with:
define(['domReady'], function (domReady) {
domReady(function () {
console.info('The DOM is ready before I happen');
});
console.info('T...
setState vs replaceState in React.js
...rted this with this test case.
If your current state is {a: 1}, and you call this.setState({b: 2}); when the state is applied, it will be {a: 1, b: 2}. If you called this.replaceState({b: 2}) your state would be {b: 2}.
Side note: State isn't set instantly, so don't do this.setState({b: 1}); co...
right click context menu for datagridview
...p);
}
}
}
}
I've reworked this code to work statically, so you can copy and paste them into any event.
The key is to use CellContextMenuStripNeeded since this will give you the context menu.
Here's an example using CellContextMenuStripNeeded where you can specify which co...