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Java: How to test methods that call System.exit()?
...n normal use it will drift all the way out to the JVM's last-ditch catcher and shut your script down (unless you decide to catch it somewhere along the way, which might be useful someday).
In the JUnit scenario it will be caught by the JUnit framework, which will report that
such-and-such te...
How do you use “git --bare init” repository?
... you would in a normal non-bare repository (e.g. with git add <file> and a subsequent git commit.)
You almost always update a bare repository by pushing to it (using git push) from another repository.
Note that in this case you'll need to first allow people to push to your repository. When i...
Why do table names in SQL Server start with “dbo”?
...ully qualified name, though there is a slight performance gain in doing so and is considered a best practice. "
– Carl G
Oct 9 '12 at 16:33
7
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How to replace all occurrences of a string?
...n(replacement)
This used to be faster in some cases than using replaceAll and a regular expression, but that doesn't seem to be the case anymore in modern browsers.
Benchmark: https://jsperf.com/replace-all-vs-split-join
Conclusion: If you have a performance critical use case (e.g processing hundre...
C multi-line macro: do/while(0) vs scope block [duplicate]
...ions
https://groups.google.com/d/msg/comp.lang.C/xGZxls194mI/dEIpTKz2okMJ
Andrey Tarasevich:
The whole idea of using 'do/while' version is to make a macro which will
expand into a regular statement, not into a compound statement. This is
done in order to make the use of function-style macros unifo...
gitx How do I get my 'Detached HEAD' commits back into master [duplicate]
Using Git X and must have fumbled royally on something. Looks like a few days ago I created a branch called detached HEAD and have been committing to it. My normal process is to commit to master and then push that to origin . But I can't push detached HEAD .
...
Why does TestInitialize get fired for every test in my Visual Studio unit tests?
...ot a single [TestClass] , which has a [TestInitialize] , [TestCleanup] and a few [TestMethods] .
4 Answers
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Using sed, how do you print the first 'N' characters of a line?
...e first 100 characters:
cat file |colrm 101
It's been around for years and is in most linux's and bsd's (freebsd for sure), usually by default. I can't remember ever having to type apt-get install colrm.
share
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Sometimes adding a WCF Service Reference generates an empty reference.cs
Sometimes adding a WCF Service Reference generates an empty reference.cs and I cannot reference the service anywhere in the project.
...
What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa
... for nullable! A column should be either nullable in both the O/R-Designer and SQL, or not nullable in both.
For example, a NVARCHAR column "title" is marked as NULLable in your database, and contains the value NULL. Even though the column is marked as NOT NULLable in your O/R-Mapping, LINQ will lo...