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Post-install script with Python setuptools

...from setuptools.command.install import install from subprocess import check_call class PreDevelopCommand(develop): """Pre-installation for development mode.""" def run(self): check_call("apt-get install this-package".split()) develop.run(self) class PreInstallCommand(insta...
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How do I execute a command and get the output of the command within C++ using POSIX?

...use the C stdio API, I prefer the iostreams API. popen requires you to manually clean up the FILE handle, pstreams do that automatically. popen only accepts a const char* for the argument, which requires care to avoid shell injection attacks, pstreams allows you to pass a vector of strings similar t...
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What is SOA “in plain english”? [closed]

Can someone explain in plain english what is SOA all about ? I hear SOA here, SOA there but I cannot understand exacly what it is and what is used for. Was it some simple concept and later evolved into something huge or what? ...
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Create or write/append in text file

... Try something like this: $txt = "user id date"; $myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX); share | improve this answer | fol...
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set gvim font in .vimrc file

... So basically for Windows all you need is to add set guifont=Consolas:h11:cANSI to the ~/.vimrc file – Jasdeep Khalsa Aug 14 '13 at 15:21 ...
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Why can templates only be implemented in the header file?

...f; When reading this line, the compiler will create a new class (let's call it FooInt), which is equivalent to the following: struct FooInt { int bar; void doSomething(int param) {/* do stuff using int */} } Consequently, the compiler needs to have access to the implementation of the m...
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Redis: Show database size/size for keys

...something I was looking for... For a whole database you need to aggregate all values for KEYS * which shouldn't be too difficult with a scripting language of your choice... The bad thing is that redis.io doesn't really have a lot of information about DEBUG OBJECT. ...
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Debug Error \"pure virtual function call\" 原因解析 - 更多技术 - 清泛...

... public: virtual void virtualFunc(){} }; Base* pB = new Derived; __try { delete pB; // . . . b) pB = NULL; } __except(EXCEPTION_EXECUTE_HANDLER){ } pB->virtualFunc(); // . . . c) 在b)处析构Derived对象的时候,在其基类析构函数中a)处抛出了...
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class method generates “TypeError: … got multiple values for keyword argument …”

...de: myfoo.foodo("something") print print myfoo You'll output like: <__main__.foo object at 0x321c290> a thong is something <__main__.foo object at 0x321c290> You can see that 'thing' has been assigned a reference to the instance 'myfoo' of the class 'foo'. This section of the docs...
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Rails render partial with block

... In Rails 5.0 there was a change so this is general to all partials, not just layouts. You can change the first line of the calling code to: <%= render '/shared/panel', title: 'some title' do %> – Jay Mitchell Sep 26 '19 at 20:10 ...