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Core Data: Quickest way to delete all instances of an entity
I'm using Core Data to locally persist results from a Web Services call. The web service returns the full object model for, let's say, "Cars" - could be about 2000 of them (and I can't make the Web Service return anything less than 1 or ALL cars.
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CSS: center element within a element
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is there a way to make this center the element vertically as well as horizontally?
– Gman Smith
Jan 17 '16 at 19:01
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What's the Hi/Lo algorithm?
...ke up a primary key- a "high" number and a "low" number. A client can basically increment the "high" sequence, knowing that it can then safely generate keys from the entire range of the previous "high" value with the variety of "low" values.
For instance, supposing you have a "high" sequence with a...
Unpack a list in Python?
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function_that_needs_strings(*my_list) # works!
You can read all about it here.
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How can I delete a git alias?
...set alias.trololo
warning: alias.trololo has multiple values
Use --unset-all
git config --global --unset-all
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What is a Y-combinator? [closed]
...m the “functional” side of things. Most programmers don't know much at all about combinators, if they've even heard about them.
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Use of .apply() with 'new' operator. Is this possible?
...CMAScript5's Function.prototype.bind things get pretty clean:
function newCall(Cls) {
return new (Function.prototype.bind.apply(Cls, arguments));
// or even
// return new (Cls.bind.apply(Cls, arguments));
// if you know that Cls.bind has not been overwritten
}
It can be used as foll...
Where is the itoa function in Linux?
itoa() is a really handy function to convert a number to a string. Linux does not seem to have itoa() , is there an equivalent function or do I have to use sprintf(str, "%d", num) ?
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Add new attribute (element) to JSON object using JavaScript
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JSON stands for JavaScript Object Notation. A JSON object is really a string that has yet to be turned into the object it represents.
To add a property to an existing object in JS you could do the following.
object["property"] = value;
or
object.property = value;
If you provide ...
The located assembly's manifest definition does not match the assembly reference
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edited Feb 22 at 1:13
Callum Watkins
2,22222 gold badges2323 silver badges4040 bronze badges
answered Oct 18 '08 at 13:39
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