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Why is “import *” bad?
...shadowing any when they do from numpy import * or a "helpful" tool does it for them.
– user2357112 supports Monica
Aug 4 '14 at 10:58
1
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java: HashMap not working
...ue() means if the key isn't found it will generate a NullPointerException, for example:
int i = myMap.get("bar"); // NullPointerException
The reason is type erasure. Unlike, say, in C# generic types aren't retained at runtime. They are just "syntactic sugar" for explicit casting to save you doing...
Any way to write a Windows .bat file to kill processes? [closed]
...the Task Manager or any other process management app just to get decent performance out of my IDE. Yes, these are processes from programs that my company installs on my machine for security and compliance. What I'd like to do is have a .bat file or script of some kind with which I can kill the proc...
What is “rvalue reference for *this”?
Came across a proposal called "rvalue reference for *this" in clang's C++11 status page .
3 Answers
...
Sending command line arguments to npm script
... run server -- --port=1337
To get the parameter value, see this question. For reading named parameters, it's probably best to use a parsing library like yargs or minimist; nodejs exposes process.argv globally, containing command line parameter values, but this is a low-level API (whitespace-separat...
Javascript Cookie with no expiration date
...
There is no syntax for what you want. Not setting expires causes the cookie to expire at the end of the session. The only option is to pick some arbitrarily large value. Be aware that some browsers have problems with dates past 2038 (when un...
Shell command to sum integers, one per line?
I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers.
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boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ator()(const IDType l, const IDType r)const
{
// specially compare for this application
return strcmp(l, r);
}
};
typedef multi_index_container<
TParam_p,
indexed_by<
ordered_unique< tag<TParamIDIndex>,
composite_key<
TParam,
member<TParam,IDType,&TParam::I...
stdbool.h C99标准杂谈 - C/C++ - 清泛网 - 专注C/C++及内核技术
...：
http://msdn.microsoft.com/en-us/library/02y9a5ye.aspx
Microsoft C conforms to the standard for the C language as set forth in the 9899:1990 edition of the ANSI C standard.
VS2012不支持：
https://social.msdn.microsoft.com/Forums/zh-CN/19818b42-3a4c-47bd-94d3-5dcde7f0df70/vs2012-c99
...
stdbool.h C99标准杂谈 - c++1y / stl - 清泛IT社区，为创新赋能！
...：
http://msdn.microsoft.com/en-us/library/02y9a5ye.aspx
Microsoft C conforms to the standard for the C language as set forth in the 9899:1990 edition of the ANSI C standard.
VS2012不支持：
https://social.msdn.microsoft.com/Forums/zh-CN/19818b42-3a4c-47bd-94d3-5dcde7f0df70/vs2012-c99
...