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Why have header files and .cpp files? [closed]
...hingElse(); // Defined in B.CPP
}
// B.CPP
void doSomethingElse()
{
// Etc.
}
It won't compile because A.CPP has no way to know "doSomethingElse" exists... Unless there is a declaration in A.CPP, like:
// A.CPP
void doSomethingElse() ; // From B.CPP
void doSomething()
{
doSomethingElse() ...
Best way to check if a URL is valid
...ER_VALIDATE_URL will not validate the protocol of a url. So ssh://, ftp:// etc will pass.
– Seph
May 10 '14 at 14:03
3
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Python memoising/deferred lookup property decorator
... Tip: Put a @wraps(fn) below @property to not loose your doc strings etc. (wraps comes from functools)
– letmaik
May 29 '14 at 10:12
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Elegant setup of Python logging in Django
...ilters to get the events I want to the appropriate files, console, syslogs etc. You can of course add handlers to any other loggers too, but there isn't commonly a need for this in my experience.
In each module, I define a logger using
logger = logging.getLogger(__name__)
and use that for loggin...
How do I install Maven with Yum?
...repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo
Now you can install maven like this:
yum install apache-maven
Once done, maven 3 will be installed and mvn -version will show you which version you've got - I had 3.2.1.
This worke...
How do I look inside a Python object?
...veniences, like tab completion, pretty printing of results, result history etc. that make it very handy for this sort of exploratory programming.
For more programmatic use of introspection, the basic builtins like dir(), vars(), getattr etc will be useful, but it is well worth your time to check ou...
How to access route, post, get etc. parameters in Zend Framework 2
...me', 'default');
NOTE: You could have used the superglobals $_GET, $_POST etc., but that is discouraged.
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Passing parameters to JavaScript files
...some_default_value';
}
alert(my_var_2); // to view the variable value
...etc...
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mongodb最大连接数配置修改 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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echo "* soft nofile 4096" >>/etc/security/limits.conf
echo "* hard nofile 4096" >>/etc/security/limits.confmongodb 最大连接数 配置
Best general SVN Ignore Pattern?
...
Of course, the usual pattern of *.bin *.bak *.pdb *.suo etc etc must be set up front, I agree. But once you set the ignore properties on a repository folder, they do effectively become shared - although I am aware this is not exactly what you meant.
– petr k....