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How to mkdir only if a directory does not already exist?
...st to see that the directory does not exist, or suppress the "File exists" error that mkdir throws when it tries to create an existing directory.
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try/catch + using, right syntax
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I prefer the second one. May as well trap errors relating to the creation of the object as well.
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Schrödingers MySQL table: exists, yet it does not
I am having the weirdest error of all.
11 Answers
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What is the difference between a strongly typed language and a statically typed language?
...e restrictions are violated, the violation is reported as a (dynamic) type error.
For example, Lua, a dynamically typed language, has a string type, a number type, and a Boolean type, among others. In Lua every value belongs to exactly one type, but this is not a requirement for all dynamically ...
Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
I get the following error when using a primitive attribute in my grails domain object:
12 Answers
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SQL-Server: Error - Exclusive access could not be obtained because the database is in use
...tabase from one backup file. I made the following code and I am getting an error -
14 Answers
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How to get MVC action to return 404
...(maybe because it has been deleted), I want to return a 404 and display an error page.
12 Answers
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How can I use pointers in Java?
...nd = new Tiger();
Tiger third;
Dereferencing a null:
first.growl(); // ERROR, first is null.
third.growl(); // ERROR, third has not been initialized.
Aliasing Problem:
third = new Tiger();
first = third;
Losing Cells:
second = third; // Possible ERROR. The old value of second is lost. ...
ImportError in importing from sklearn: cannot import name check_build
I am getting the following error while trying to import from sklearn:
13 Answers
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NuGet Package Manager errors when trying to update
... Issue
If you are running VS 2010 SP1, you might run into an installation error when attempting to upgrade NuGet if you have an older version installed.
The workaround is to simply uninstall NuGet and then install it from the VS Extension Gallery. See http://support.microsoft.com/kb/2581019 for mo...