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Django - How to rename a model field using South?
...s important to remember how Django creates table names:
Django automatically derives the name of the database table from the name of your model class and the app that contains it. A model's database table name is constructed by joining the model's "app label" -- the name you used in manage.py st...
Javascript Drag and drop for touch devices [closed]
...er("touchcancel", touchHandler, true);
}
And in your document.ready just call the init() function
code found from Here
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Block Declaration Syntax List
...hat this is distinct from "Blocks as Parameters"; in this instance, you're calling a method that wants a block argument with an anonymous block. If you have already declared a block variable, it is sufficient to pass the variable name as the argument.
[someObject doSomethingWithBlock: ^return_type ...
Example for sync.WaitGroup correct?
... wg.Wait()
fmt.Println("Done")
}
However, it is rather pointless to call wg.Add over and over again when you already know how many times it will be called.
Waitgroups panic if the counter falls below zero. The counter starts at zero, each Done() is a -1 and each Add() depends on the parame...
How to put a delay on AngularJS instant search?
... {
if (nVal !== oVal) {
myDebouncedFunction();
}
});
Basically you're telling angular to run myDebouncedFunction(), when the the msg scope variable changes. The attribute ng-model-options="{debounce: 1000}" makes sure that msg can only update once a second.
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Fastest Way of Inserting in Entity Framework
...SavingChanges (for each
record)..."
That's the worst thing you can do! Calling SaveChanges() for each record slows bulk inserts extremely down. I would do a few simple tests which will very likely improve the performance:
Call SaveChanges() once after ALL records.
Call SaveChanges() after for ...
jQuery Validate Plugin - How to create a simple custom rule?
...
got it to work by inserting a variable that is called result before the addmethod, seems the true, false values are registering properly within the success function
– Mikelangelo
May 27 '10 at 9:19
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How to pass a single object[] to a params object[]
...ntire language, not just this case. for example, we could force all param calls to be Foo(obj[0], obj[1]), and then have a separate spread operator allowing Foo(...obj).
– whitneyland
Dec 15 '17 at 19:21
...
What are some common uses for Python decorators? [closed]
...ing():
# etc
@synchronzied(lock)
def do_something_else():
# etc
Basically it just puts lock.acquire() / lock.release() on either side of the function call.
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Django auto_now and auto_now_add
...r change between every release. (Which I believe is the impetus behind the call to have them removed altogether).
The fact that they only work on DateField, DateTimeField, and TimeField, and by using this technique you are able to automatically populate any field type every time an item is saved.
Us...