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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, ...
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...
What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
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In this two queries, you are using JOIN to query all employees that have at least one department associated.
But, the difference is: in the first query you are returning only the Employes for the Hibernate. In the second query, you are returning the Employes and all Depart...
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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Is there such a thing as min-font-size and max-font-size?
...ow width. In such settings, you can e.g. set the font size to a specific small value if the window is very narrow.
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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...
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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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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Is the pImpl idiom really used in practice?
...y Herb Sutter, and in that book I have learned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementations in a better manner).
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