大约有 30,000 项符合查询结果(耗时:0.0352秒) [XML]

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How to search a Git repository by commit message?

...rmat:%Cgreen%H %Cblue%s\" --name-status --grep Then I can type "git find string" and I get a list of all the commits containing that string in the message. For example, to find all commits referencing ticket #33: 029a641667d6d92e16deccae7ebdeef792d8336b Added isAttachmentEditable() and isAttachme...
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What is the difference between up-casting and down-casting with respect to class variable

...og. Police Dog - Police Dog extends Pet Dog. public class Dog{ public String getType () { System.out.println("NormalDog"); return "NormalDog"; } } /** * Pet Dog has an extra method dogName() */ public class PetDog extends Dog{ public String getType () { System.ou...
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What does void* mean and how to use it?

...ointers to point to any data type, from an integer value or a float to a string of characters. But in exchange they have a great limitation: the data pointed by them cannot be directly dereferenced (which is logical, since we have no type to dereference to), and for that reason we will alway...
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What is the colon operator in Ruby?

...what exactly does the : do? I read somewhere about how it's similar to a string, but somehow a symbol. 9 Answers ...
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How to pass objects to functions in C++?

... C tmp = a; a = b; b = tmp; } public static void main( String args[] ) { C a = new C(); C b = new C(); C old_a = a; C old_b = b; swap( a, b ); // a and b remain unchanged a==old_a, and b==old_b } } The Java version of the code will modify...
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URL Encoding using C#

...t worry about that, as the folder name can be returned by decoding the Url string, using UrlDecode, so you can round trip the changes. share | improve this answer | follow ...
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Pass a data.frame column name to a function

... Is there any way to pass the column name not as a string? – kmm Apr 14 '10 at 23:13 ...
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C: Run a System Command and Get Output? [duplicate]

... parameter - command would be fine. What they don't do is take the entire string and pass it to a shell interpreter thereby allowing you to perform shell-style redirections, etc. It is therefore impossible to use exec in the manner described to achieve the OP's goal. – Alnita...
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HTML-encoding lost when attribute read from input field

...ferenced here: Fastest method to replace all instances of a character in a string) Some performance results here: http://jsperf.com/htmlencoderegex/25 It gives identical result string to the builtin replace chains above. I'd be very happy if someone could explain why it's faster!? Update 2015-03-0...
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Getting a map() to return a list in Python 3.x

... I guess because it's more verbose, you have to write an extra variable (twice)... If the operation is more complex and you end up writing a lambda, or you need also to drop some elements, I think a comprehension is definitively better than a map+filter, but if you already have the...