大约有 41,000 项符合查询结果（耗时：0.0572秒） [XML]
Find XOR of all numbers in a given range
...typically between 1 and 4,000,000,000 inclusive. You have to find out the XOR of all the numbers in the given range.
5 Answ...
Count number of objects in list [closed]
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length(x)
Get or set the length of vectors (including lists) and factors, and of any other R object for which a method has been defined.
lengths(x)
Get the length of each element of a list or atomic vector (is.atomic) as an integer o...
c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区，为创新赋能！
...container stuff and have a rather in-depth question that hopefully a boost or C++ container expert might know (my knowledge in C++ containers is pretty basic). For reference, the boost documentation on composite keys can be found here: boost::multi_index composite keys.When using a composite key, th...
Local dependency in package.json
...is, so npm install also installs the package.json of ../somelocallib or more importantly its dependencies.
11 Answers...
Why does TestInitialize get fired for every test in my Visual Studio unit tests?
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TestInitialize and TestCleanup are ran before and after each test, this is to ensure that no tests are coupled.
If you want to run methods before and after ALL tests, decorate relevant methods with the ClassInitialize and ClassCleanup attributes.
Relevant informati...
What are Bearer Tokens and token_type in OAuth 2?
I'm trying to implement the Resource Owner & Password Credentials flow from the OAuth 2 spec. I'm having trouble understanding the token_type value that gets sent back with a valid response. In the spec all the examples show "token_type":"example" but says it should be
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How do I merge a specific commit from one branch into another in Git?
... single commit (from whatever branch) and, essentially, rebase it in your working branch.
Chapter 5 of the Pro Git book explains it better than I can, complete with diagrams and such. (The chapter on Rebasing is also good reading.)
Lastly, there are some good comments on the cherry-picking vs merg...
Is the != check thread safe?
...an test() {
return a != a;
}
may produce true. This is the bytecode for test()
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
IF_ACMPEQ L1
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as we can see it loads field a to local vars twice, it's a non-atomic op...
How to handle command-line arguments in PowerShell
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You are reinventing the wheel. Normal PowerShell scripts have parameters starting with -, like script.ps1 -server http://devserver
Then you handle them in param section in the beginning of the file.
You can also assign default values to your params, read ...
Amazon S3 boto - how to create a folder?
How can I create a folder under a bucket using boto library for Amazon s3?
11 Answers
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