大约有 45,000 项符合查询结果(耗时:0.0495秒) [XML]

https://stackoverflow.com/ques... 

Iterate through object properties

... I feel that I should mention, however, that Object.keys(obj) is now a much better solution for getting the keys of the object itself. Link to the Mozilla documentation: developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… – Kyle Richter Apr ...
https://stackoverflow.com/ques... 

JavaScript: clone a function

... return that.apply(this, arguments); }; for(var key in this) { if (this.hasOwnProperty(key)) { temp[key] = this[key]; } } return temp; }; alert(x === x.clone()); alert(x() === x.clone()()); alert(t === t.clone()); alert(t(1,1,1) === t.clone()(1,1,1)); alert(...
https://stackoverflow.com/ques... 

Check if a folder exist in a directory and create them using C#

How can I check if directory C:/ contains a folder named MP_Upload , and if it does not exist, create the folder automatically? ...
https://stackoverflow.com/ques... 

Understanding scala enumerations

...vidual elements of the enumeration (it's actually an inner class, but the difference doesn't matter here). Thus object WeekDay inherits that type member. The line type WeekDay = Value is just a type alias. It is useful, because after you import it elsewhere with import WeekDay._, you can use that t...
https://stackoverflow.com/ques... 

What does -> mean in Python function definitions?

... And the information is available as a .__annotations__ attribute. – Martijn Pieters♦ Jan 17 '13 at 13:06 9 ...
https://stackoverflow.com/ques... 

Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?

...ed a solution that is currently targeting .NET 4.0 in VS2010 to VS2012 and now I would like to re-target it to .Net 4.5 5 A...
https://stackoverflow.com/ques... 

How to sort an IEnumerable

...d-only, that is, you can only retrieve the elements from it, but cannot modify it directly. If you want to sort a collection of strings in-place, you need to sort the original collection which implements IEnumerable<string>, or turn an IEnumerable<string> into a sortable collection first...
https://stackoverflow.com/ques... 

How to get orientation-dependent height and width of the screen?

...imple call [UIApplication currentSize]. Also, I ran the above code, so I know it works and reports back the correct responses in all orientations. Note that I factor in the status bar. Interestingly I had to subtract the MIN of the status bar's height and width. Hope this helps. :D Other thoug...
https://stackoverflow.com/ques... 

How to make MySQL handle UTF-8 properly

...comment on this answer How to make MySQL handle UTF-8 properly What's the difference between utf8_general_ci and utf8_unicode_ci Conversion guide: https://dev.mysql.com/doc/refman/5.5/en/charset-unicode-conversion.html Original Answer: MySQL 4.1 and above has a default character set of UTF-8. You...
https://stackoverflow.com/ques... 

iPhone Keyboard Covers UITextField

... This official solution is now wrapped in a control see here:- stackoverflow.com/a/17707094/1582217 – Mohd Iftekhar Qurashi Apr 10 '14 at 19:03 ...