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django order_by query set, ascending and descending
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Reserved.objects.filter(client=client_id).order_by('-check_in')
Notice the - before check_in.
Django Documentation
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How to remove a field from params[:something]
...I am using Rails 4.0, and model_params.delete :key_name doesn't work - any idea why?
– Zorayr
Oct 22 '13 at 5:54
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Order a MySQL table by two columns
...mn then the second but not both at the same time.
– aidonsnous
Apr 27 '17 at 13:14
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Further understanding setRetainInstance(true)
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Ok, perhaps I was slightly too harsh on the Android documentation, because it does have some useful information, but sadly none of it is linked from setRetainInstance(). From the page about fragments
Note: Each fragment requires a unique identifier that the system can
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How do I diff the same file between two different commits on the same branch?
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Check $ git log, copy the SHA-1 ID of the two different commits, and run the git diff command with those IDs. for example:
$ git diff (sha-id-one) (sha-id-two)
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Recommended way of getting data from the server
... angular.extend(this, data);
}
// a static method to retrieve Book by ID
Book.get = function(id) {
return $http.get('/Book/' + id).then(function(response) {
return new Book(response.data);
});
};
// an instance method to create a new Book
Book.prototype.create = function(...
XPath to select Element by attribute value
...hitespace text values immediately under the Employee element.
//Employee[@id='4']
Edit: As Jens points out in the comments, // can be very slow because it searches the entire document for matching nodes. If the structure of the documents you're working with is going to be consistent, you are prob...
Objective-C Static Class Level variables
I have a class Film, each of which stores a unique ID. In C#, Java etc I can define a static int currentID and each time i set the ID i can increase the currentID and the change occurs at the class level not object level. Can this be done in Objective-C? I've found it very hard to find an answer for...
Select all DIV text with single mouse click
...ght/select the contents of a DIV tag when the user clicks on the DIV...the idea is that all of the text is highlighted/selected so the user doesn't need to manually highlight the text with the mouse and potentially miss a bit of the text?
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Center a DIV horizontally and vertically [duplicate]
...is smaller than the content The div must have a background color and a width and hight.
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