大约有 47,000 项符合查询结果(耗时:0.0648秒) [XML]

https://stackoverflow.com/ques... 

What exactly is Type Coercion in Javascript?

... Type coercion means that when the operands of an operator are different types, one of them will be converted to an "equivalent" value of the other operand's type. For instance, if you do: boolean == integer the boolean operand will be converted to an integer: ...
https://stackoverflow.com/ques... 

rgdal package installation

... >= 1.7.1 library from http://trac.osgeo.org/gdal/wiki/DownloadSource and PROJ.4 (proj >= 4.4.9) from http://trac.osgeo.org/proj/; GDAL OSX frameworks built by William Kyngesburye at http://www.kyngchaos.com/ may be used for source installs on OSX. As you seem to be under Linux, you alwa...
https://stackoverflow.com/ques... 

Python dictionary from an object's fields

...class Foo(object): ... Also, there's a difference between an 'object' and a 'class'. To build a dictionary from an arbitrary object, it's sufficient to use __dict__. Usually, you'll declare your methods at class level and your attributes at instance level, so __dict__ should be fine. For exampl...
https://stackoverflow.com/ques... 

SQL Call Stored Procedure for each Row without using a cursor

... as with the accepted answer USE WITH CATION: Depending on your table and index structure it can be very poorly performing ( O(n^2) ) since you have to order and search your table every time you enumerate. – csauve May 30 '12 at 1:00 ...
https://stackoverflow.com/ques... 

What should every JavaScript programmer know? [closed]

...ul, but they are often hiding the sometimes-ugly details of how JavaScript and the DOM actually work from you. If your aim is to be able to say “I know JavaScript”, then investing a lot of time in a framework is opposed to that. Here are some JavaScript language features that you should know to...
https://stackoverflow.com/ques... 

In C#, What is a monad?

... the concept. The reason is that monads are a functional language concept, and thus the examples are in languages I haven't worked with (since I haven't used a functional language in depth). I can't grasp the syntax deeply enough to follow the articles fully ... but I can tell there's something wort...
https://stackoverflow.com/ques... 

How to view UTF-8 Characters in VIM or Gvim

...on-English scripts from time to time, most of them uses utf-8 charset, VIM and Gvim does not display UTF-8 Characters correctly. ...
https://stackoverflow.com/ques... 

How to nicely format floating numbers to String without unnecessary decimal 0?

...f the idea is to print integers stored as doubles as if they are integers, and otherwise print the doubles with the minimum necessary precision: public static String fmt(double d) { if(d == (long) d) return String.format("%d",(long)d); else return String.format("%s",d); } ...
https://stackoverflow.com/ques... 

What's wrong with this 1988 C code?

... Your problem is with your preprocessor definitions of IN and OUT: #define IN 1; /* inside a word */ #define OUT 0; /* outside a word */ Notice how you have a trailing semicolon in each of these. When the preprocessor expands them, your code will look roughly like: ...
https://stackoverflow.com/ques... 

Difference between class and type

Being new to Java, I'm confused between the concepts of class and type . For example, should the object "Hello World!" belong to the type String or class String ? Or maybe both? ...