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How can I String.Format a TimeSpan object with a custom format in .NET?
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@Andrei Rinea: Correct, as stated at the start of my second paragraph ".Net 4 allows you to use custom format strings with Timespan".
– Doctor Jones
Jul 13 '11 at 9:49
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How can a LEFT OUTER JOIN return more records than exist in the left table?
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I started to think when the number of rows is equal N x M and the only real situation which comes to my mind is when N or M equals 1. Do you agree?
– BartoszMiller
Sep 26 '13 at 13:15
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How do I replace whitespaces with underscore?
...remove leading and trailing whitespace so that the filename doesn't end or start with a hyphen with s = re.sub(r'[^\w\s-]', '', s).strip()
– Intenex
Jul 17 '12 at 5:12
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Disable single warning error
...) // (suppress one error in the next line)
This pragma is valid for C++ starting with Visual Studio 2005.
https://msdn.microsoft.com/en-us/library/2c8f766e(v=vs.80).aspx
The pragma is NOT valid for C# through Visual Studio 2005 through Visual Studio 2015.
Error: "Expected disable or restore".
(I...
Why number 9 in kill -9 command in unix? [closed]
... Interface(p 388):
Each signal is defined as a unique (small) integer, starting
sequentially from 1. These integers are defined in with
symbolic names of the form SIGxxxx . Since the actual numbers used for
each signal vary across implementations, it is these symbolic names
that are alw...
Concatenate text files with Windows command line, dropping leading lines
...o echo a file line by line, and with the 'skip' option to miss a number of starting lines...
FOR /F "skip=1" %i in (file2.txt) do @echo %i
You could redirect the output of a batch file, containing something like...
FOR /F %%i in (file1.txt) do @echo %%i
FOR /F "skip=1" %%i in (file2.txt) do @ech...
Shell one liner to prepend to a file
... as the question became more popular and more time passed, outraged people started reporting that it sorta worked but weird things could happen, or it just didn't work at all, so it was furiously downvoted for a time. Such fun.
The solution exploits the exact implementation of file descriptors on ...
Rails and PostgreSQL: Role postgres does not exist
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In the Heroku documentation; Getting started whit rails 4, they say:
You will also need to remove the username field in your database.yml
if there is one so: In file config/database.yml remove: username:
myapp
Then you just delete that line in "develo...
NOT using repository pattern, use the ORM as is (EF)
...fect the use of it and my implementation of “Unit Of Work”. The more I started digging I started asking myself the question: "Do I really need it?"
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Synthetic Class in Java
...or example, When you have a switch statement, java creates a variable that starts with a $. If you want to see an example of this, peek into the java reflection of a class that has a switch statement in it. You will see these variables when you have at least one switch statement anywhere in the cl...