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std::function and std::bind: what are they, and when should they be used?
I know what functors are and when to use them with std algorithms, but I haven't understood what Stroustrup says about them in the C++11 FAQ .
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How do I use LINQ Contains(string[]) instead of Contains(string)
...l of the values of the array as a substring??? Even if you did write the em>x m>tension method the sense of it would be wrong.
[EDIT]
Unless you changed it around and wrote it for string[] as Mitch Wheat demonstrates, then you'd just be able to skip the conversion step.
[ENDEDIT]
Here is what you...
How to find keys of a hash?
....prototype.hasOwnProperty.call(this, p)) ret.push(p); return ret; } var m>x m> = { a: { A: 1, B: 2, C: 3 }, b: { A: 10, B: 20 } }; alert(m>x m>.a.keys());
– ekkis
Dec 22 '11 at 0:44
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'console' is undefined error for Internet Em>x m>plorer
...r, all global variables are attributes of the same name of the global contem>x m>t (window in case of browsers), and accessing an undefined attribute is fine.
Or use if (typeof console === 'undefined') console = ... if you want to avoid the magic variable window, see @Tim Down's answer.
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What happens when a duplicate key is put into a HashMap?
If I pass the same key multiple times to HashMap ’s put method, what happens to the original value? And what if even the value repeats? I didn’t find any documentation on this.
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How do I add multiple arguments to my custom template filter in a django template?
I looked into django's docs and book but only found em>x m>ample using a single argument... is it even possible?
9 Answers
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Detect the specific iPhone/iPod touch model [duplicate]
...UIDevice (Hardware) category probably is http://github.com/erica/uidevice-em>x m>tension/ (by Erica Sadun):
[[UIDevice currentDevice] platformType] // em>x m>: UIDevice4GiPhone
[[UIDevice currentDevice] platformString] // em>x m>: @"iPhone 4G"
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Git: how to reverse-merge a commit?
With SVN it is easy to reverse-merge a commit, but how to do that with Git?
5 Answers
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In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
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The reason is because when you em>x m>plicitly do "0" == false, both sides are being converted to numbers, and then the comparison is performed.
When you do: if ("0") console.log("ha"), the string value is being tested. Any non-empty string is true, while an em...