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Git in Visual Studio - add existing project?
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First of all you need to install Git software on your local development machine, e.g. Git Extensions.
Then do git init in the solution folder. That is the proper way to create a repository folder.
Set up a reasonable .gitignore file, ...
How to remove duplicate white spaces in string using Java?
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Like this:
yourString = yourString.replaceAll("\\s+", " ");
For example
System.out.println("lorem ipsum dolor \n sit.".replaceAll("\\s+", " "));
outputs
lorem ipsum dolor sit.
What does that \s+ mean?
\s+ is a regular expression. \s matches a space, tab...
“document.getElementByClass is not a function”
...t a function
in older browsers, though, in which case you can provide a fallback implementation if you need to support those older browsers.
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How to debug an apache virtual host configuration?
...d (Ubuntu)
apache2ctl -t
# MacOS
apachectl -t
List virtual hosts
To list all virtual hosts, and their locations:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -S
# Debian-based (Ubuntu)
apache2ctl -S
# MacOS
apachectl -S
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Is it good practice to make the constructor throw an exception? [duplicate]
...c to the problem you are reporting, and 3) it is reasonable to expect the caller to deal with a checked exception for this2.
However explicitly declaring or throwing java.lang.Exception is almost always bad practice.
You should pick an exception class that matches the exceptional condition that h...
Best design for a changelog / auditing database table? [closed]
...ect type (or table name)
object ID
That's when design of our audit log really stabilized (for a few years now).
Of course, the last "improvement" would work only for tables that had surrogate keys. But guess what? All our tables that are worth auditing do have such a key!
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How can I check the syntax of Python script without executing it?
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import script, but all code must be in functions. Which is good practice anyway. I've even adopted this for shell scripts. From here it's a small step to unit testing.
– Henk Langeveld
Aug 10 '12 at 12:07
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Undo VS 'Exclude from project'?
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Make sure you are showing all files. There is a button at the top of the Solution Explorer called "Show All Files". To see this button, make sure that your project is selected in the solution explorer.
Show All Files
When this option is active, the...
Can I have multiple primary keys in a single table?
...re UNIQUE, taken together, and also NOT NULL. Thus, specifying values for all the columns of any candidate key is enough to determine that there is one row that meets the criteria, or no rows at all.
Candidate keys are a fundamental concept in the relational data model.
It's common practice, if m...
Center a position:fixed element
...in: 5% auto; for this. Without position: fixed; it centers fine horizontally, but not vertically. After adding position: fixed; , it's even not centering horizontally.
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