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Why does pycharm propose to change method to static
...is because the method does not use self in its body and hence does not actually change the class instance. Hence the method could be static, i.e. callable without passing a class instance or without even having created a class instance.
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Creating anonymous objects in php
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This is interesting but it doesn't really address the question, as the OP was asking about a convenient way to initialise an object with various members without creating a class. I am not sure whether anonymous classes in php can be used to do that, and if it ca...
How do I use Java to read from a file that is actively being written to?
I have an application that writes information to file. This information is used post-execution to determine pass/failure/correctness of the application. I'd like to be able to read the file as it is being written so that I can do these pass/failure/correctness checks in real time.
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C++虚析构函数解析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...类的状况发生。
以下内容转自： http://blog.sina.com.cn/s/blog_7c773cc50100y9hz.html
a.第一段代码
#include<iostream>
using namespace std;
class ClxBase{
public:
ClxBase() {};
~ClxBase() {cout << "Output from the destructor of class ClxBase!" << endl;};
void ...
How can I join elements of an array in Bash?
... +1. What about printf -v bar ",%s" "${foo[@]}". It is one fork less (actually clone). It is even forking reading a file: printf -v bar ",%s" $(&lt;infile).
– TrueY
Jun 8 '13 at 22:55
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What's the point of 'const' in the Haskell Prelude?
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It's useful for passing to higher-order functions when you don't need all their flexibility. For example, the monadic sequence operator &gt;&gt; can be defined in terms of the monadic bind operator as
x &gt;&gt; y = x &gt;&gt;= const y
It's somewhat neater than using a lambda
x &gt;&gt; y =...
How can I generate a unique ID in Python? [duplicate]
...in newer versions, but most people probably don't have that yet, so I generally avoid this module. Caused me major headaches with listen sockets...
– Glenn Maynard
Jul 31 '09 at 3:14
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When to use dynamic vs. static libraries
...update is considered binary compatible with the original version.
Additionally dynamic libraries aren't necessarily loaded -- they're usually loaded when first called -- and can be shared among components that use the same library (multiple data loads, one code load).
Dynamic libraries were consid...
git pull while not in a git directory
...a directory, /X/Y , which is a git repository. Is it possible to somehow call a command like git pull from inside /X , but targeting the /X/Y directory?
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Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...并发实用程序，这个包应该用于 Java 开发工具箱 1.5 发行版。
结束语
线程池是组织服务器应用程序的有用工具。它在概念上十分简单，但在实现和使用一个池时，却需要注意几个问题，例如死锁、资源不足和wait() 及 notify(...