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Rails DB Migration - How To Drop a Table?
... table that I thought I was going to need, but now no longer plan on using it. How should I remove that table?
22 Answers
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How to delete a stash created with git stash create?
Git stash seems to do a lot of what I want, except that it is a little hard to script, as the if you have no changes, then git stash; git stash pop will do something different than if you do have changes in your repository.
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JavaScript: How to pass object by value?
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Not really.
Depending on what you actually need, one possibility may be to set o as the prototype of a new object.
var o = {};
(function(x){
var obj = Object.create( x );
obj.foo = 'foo';
obj.bar = 'bar';
})(o);
alert( o.foo ); // undefined
So any properties you add to ...
Is there a better way to run a command N times in bash?
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edited Nov 7 '18 at 18:52
Joshua Pinter
34k1717 gold badges188188 silver badges208208 bronze badges
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PHP - Extracting a property from an array of objects
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edited Jul 20 '16 at 9:39
MikeSchinkel
4,49544 gold badges2929 silver badges4141 bronze badges
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How to split text without spaces into list of words?
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A naive algorithm won't give good results when applied to real-world data. Here is a 20-line algorithm that exploits relative word frequency to give accurate results for real-word text.
(If you want an answer to your original question wh...
How does Duff's device work?
I've read the article on Wikipedia on the Duff's device , and I don't get it. I am really interested, but I've read the explanation there a couple of times and I still don't get it how the Duff's device works.
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File being used by another process after using File.Create()
I'm trying to detect if a file exists at runtime, if not, create it. However I'm getting this error when I try to write to it:
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Jasmine JavaScript Testing - toBe vs toEqual
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For primitive types (e.g. numbers, booleans, strings, etc.), there is no difference between toBe and toEqual; either one will work for 5, true, or "the cake is a lie".
To understand the difference between toBe and toEqual, let's imag...
XPath contains(text(),'some string') doesn't work when used with node with more than one Text subnod
I have a small problem with Xpath contains with dom4j ...
6 Answers
6
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