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Visual Studio “Could not copy” … during build
...lar error messages in Visual Studio 2013.
Mostly, I have found that this situation has occurred when a debug process was halted because of an exception.
When clean+build has not resolved this problem for me, I have had success by doing the following:
Closing Visual Studio
Deleting the bin and ob...
How is TeamViewer so fast?
Sorry about the length, it's kinda necessary.
6 Answers
6
...
Check number of arguments passed to a Bash script
...ust like any other simple command, [ ... ] or test requires spaces between its arguments.
if [ "$#" -ne 1 ]; then
echo "Illegal number of parameters"
fi
Or
if test "$#" -ne 1; then
echo "Illegal number of parameters"
fi
Suggestions
When in Bash, prefer using [[ ]] instead as it doesn't do ...
Why can't we have static method in a (non-static) inner class?
...
Because an instance of an inner class is implicitly associated with an instance of its outer class, it cannot define any static methods itself. Since a static nested class cannot refer directly to instance variables or methods defined in its enclosing class, it can use t...
Can't execute jar- file: “no main manifest attribute”
I have installed an application, when I try to run it (it's an executable jar) nothing happens. When I run it from the commandline with:
...
Threading in a PyQt application: Use Qt threads or Python threads?
I'm writing a GUI application that regularly retrieves data through a web connection. Since this retrieval takes a while, this causes the UI to be unresponsive during the retrieval process (it cannot be split into smaller parts). This is why I'd like to outsource the web connection to a separate wor...
What happens when a computer program runs?
I know the general theory but I can't fit in the details.
4 Answers
4
...
Why would one omit the close tag?
I keep reading it is poor practice to use the PHP close tag ?> at the end of the file. The header problem seems irrelevant in the following context (and this is the only good argument so far):
...
Why does this go into an infinite loop?
... of illustration, since C# allows you to pass int parameters by reference with the ref keyword. I've decided to update it with actual legal Java code using the first MutableInt class I found on Google to sort of approximate what ref does in C#. I can't really tell if that helps or hurts the answer. ...
Ruby on Rails Server options [closed]
...epending on the context. You are also confusing the roles of Apache/Nginx with the roles of other components.
Historic note: This article was originally written on November 6, 2010, when the Ruby app server ecosystem was limited. I've updated this article on March 15 2013 with all the latest update...