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Best practices for catching and re-throwing .NET exceptions
...ullReferenceException.
In the real world though, catching and logging the base exception is also a good practice, but don't forget to walk the whole thing to get any InnerExceptions it might have.
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C++ catching all exceptions
...dots.
However, because C++ exceptions are not necessarily subclasses of a base Exception class, there isn't any way to actually see the exception variable that is thrown when using this construct.
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Run a Java Application as a Service on Linux
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@JackDaniel on debian-based distros, like debian itself and ubuntu, you can add that script to /etc/init.d. Then you can invoke it like this: /etc/init.d/MyService start. And you can make it start automatically by running update-rc.d MyService def...
Using Python 3 in virtualenv
...o apt-get install python3 python3-pip virtualenvwrapper
Create a Python3 based virtual environment. Optionally enable --system-site-packages flag.
mkvirtualenv -p /usr/bin/python3 <venv-name>
Set into the virtual environment.
workon <venv-name>
Install other requirements using pi...
Why are Objective-C delegates usually given the property assign instead of retain?
...ame in a garbage collected environment. I'm mostly concerned with a non-GC based environment (eg: iPhone).
4 Answers
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Clojure differences between Ref, Var, Agent, Atom, with examples
...a and state-b must both be refs If you want the new value in state-a to be based on a consistent combination of the values in a and b. You need that new value to have been calculated in a context where state-a and and state-b where consistent with eachother. When they are both refs, if b changes mid...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...s.
Note: This step is a willful violation of RFC 3986, which would require base URL processing here. This violation is motivated by a desire for compatibility with legacy content. [RFC3986]
This definitely works in all current browsers, but may not work as expected in some older browsers ("browsers...
Why does Math.floor return a double?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
...is, run brew services start mysql. By default, brew installs the MySQL database without a root password. To secure it run: mysql_secure_installation.
To connect run: mysql -uroot. root is the username name here.
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JPanel Padding in Java
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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