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C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...ed to see how the script control (msscript.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it's visual basic! In this article, I would like to remove those frontiers and give some new reasons for C++ developers to u...
How to slice an array in Bash
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See the Parameter Expansion section in the Bash man page. A[@] returns the contents of the array, :1:2 takes a slice of length 2, starting at index 1.
A=( foo bar "a b c" 42 )
B=("${A[@]:1:2}")
C=("${A[@]:1}") # slice to the end...
Specifically, what's dangerous about casting the result of malloc?
...you cite say (especially the first one), you can get an unpredictable runtime error when using the cast without including stdlib.h.
So the error on your side is not the cast, but forgetting to include stdlib.h. Compilers may assume that malloc is a function returning int, therefore converting the v...
Best practice for partial updates in a RESTful service
I am writing a RESTful service for a customer management system and I am trying to find the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like ...
How to verify that a specific method was not called using Mockito?
How to verify that a method is not called on an object's dependency?
5 Answers
5
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How to upper case every first letter of word in a string? [duplicate]
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C++ preprocessor __VA_ARGS__ number of arguments
...ple question for which I could not find answer on the net. In variadic argument macros, how to find the number of arguments? I am okay with boost preprocessor, if it has the solution.
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ContextLoaderListener or not?
...xt found, triggered by MultipartFilter, CharacterEncodingFilter, HiddenHttpMethodFilter, Spring Security DelegatingFilterProxy and OpenEntityManagerInViewFilter). Is it a good idea to do it the other way around (Load every thing by ContextLoaderListener, and leave the DispatcherServlet without a con...
How do I calculate a point on a circle’s circumference?
How can the following function be implemented in various languages?
4 Answers
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How does the vim “write with sudo” trick work?
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In :w !sudo tee %...
% means "the current file"
As eugene y pointed out, % does indeed mean "the current file name", which is passed to tee so that it knows which file to overwrite.
(In substitution commands, it's slightly different; as :help :% ...