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How to join two sets in one line without using “|”
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You can use union method for sets: set.union(other_set)
Note that it returns a new set i.e it doesn't modify itself.
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Is there a goto statement in Java?
...ll not even compile in the present, and it remains possible to make it actually do something later on, without breaking existing code.
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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...rite out my router's port forwarding settings.
(ApplicationTextField)_ssh (external port)_22 (Internal Port)_22 (Protocal)_Both (To IP Address)_192.168.1.### (Enabled)_checkBox
Port forwarding settings can be different for different routers though, so look ...
如何在Visual Studio中运行和调试汇编代码 - 其他 - 清泛IT社区，为创新赋能！
使用内联汇编__asm，如下：
int _tmain(int argc, _TCHAR* argv[])
{
int a = 1;
__asm{
xor eax, eax
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Difference between fprintf, printf and sprintf?
...on>
#include <stdarg.h>
#include <stdio.h>
struct exception_fmt : std::exception
{
exception_fmt(char const* fmt, ...) __attribute__ ((format(printf,2,3)));
char const* what() const throw() { return msg_; }
char msg_[0x800];
};
exception_fmt::exception_fmt(char const* fm...
What is “rvalue reference for *this”?
Came across a proposal called "rvalue reference for *this" in clang's C++11 status page .
3 Answers
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How can I reset a react component including all transitively reachable state?
I occasionally have react components that are conceptually stateful which I want to reset. The ideal behavior would be equivalent to removing the old component and readding a new, pristine component.
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Update Git submodule to latest commit on origin
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The git submodule update command actually tells Git that you want your submodules to each check out the commit already specified in the index of the superproject. If you want to update your submodules to the latest commit available from their remote, you will ne...
Why is “import *” bad?
...ed (readability).
Because you can't use cool tools like pyflakes to statically detect errors in your code.
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AngularJS : Factory and Service? [duplicate]
...ating between controllers like sharing data.
Can use other dependencies
Usually used when the service instance requires complex creation logic
Cannot be injected in .config() function.
Used for non configurable services
If you're using an object, you could use the factory provider.
Syntax: module...