大约有 8,100 项符合查询结果（耗时：0.0146秒） [XML]
Print a string as hex bytes?
I have this string: Hello world !! and I want to print it using Python as 48:65:6c:6c:6f:20:77:6f:72:6c:64:20:21:21 .
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How do I create a list of random numbers without duplicates?
I tried using random.randint(0, 100) , but some numbers were the same. Is there a method/module to create a list unique random numbers?
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When should I use a struct instead of a class?
MSDN says that you should use structs when you need lightweight objects. Are there any other scenarios when a struct is preferable over a class?
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How can I get a JavaScript stack trace when I throw an exception?
If I throw a JavaScript exception myself (eg, throw "AArrggg" ), how can I get the stack trace (in Firebug or otherwise)? Right now I just get the message.
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Using printf with a non-null terminated string
Suppose you have a string which is NOT null terminated and you know its exact size, so how can you print that string with printf in C? I recall such a method but I can not find out now...
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Using sed and grep/egrep to search and replace
I am using egrep -R followed by a regular expression containing about 10 unions, so like:
.jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
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std::vector performance regression when enabling C++11
I have found an interesting performance regression in a small C++ snippet, when I enable C++11:
1 Answer
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How do I get a class instance of generic type T?
I have a generics class, Foo<T> . In a method of Foo , I want to get the class instance of type T , but I just can't call T.class .
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How do I forward parameters to other command in bash script?
Inside my bash script, I would like to parse zero, one or two parameters (the script can recognize them), then forward the remaining parameters to a command invoked in the script. How can I do that?
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Check if a string is html or not
I have a certain string for which I want to check if it is a html or not. I am using regex for the same but not getting the proper result.
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