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Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...ty Set is mapped from Database view
A custom Database query
Database table doesn't have a primary key
After doing so, you may still need to update in the Entity Framework designer (or alternatively delete the entity and then add it) before you stop getting the error.
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How do C++ class members get initialized if I don't do it explicitly?
...rs ptr , name , pname , rname , crname and age . What happens if I don't initialize them myself? Here is an example:
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Linux - Replacing spaces in the file names
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This should do it:
for file in *; do mv "$file" `echo $file | tr ' ' '_'` ; done
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How to color System.out.println output? [duplicate]
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Note
You may not be able to color Window's cmd prompt, but it should work in many unix (or unix-like) terminals.
Also, note that some terminals simply won't support some (if any) ANSI escape sequences and, especially, 24-bit colors.
Usage
Please refer to the ...
How do you do a deep copy of an object in .NET? [duplicate]
I want a true deep copy. In Java, this was easy, but how do you do it in C#?
11 Answers
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python: How do I know what type of exception occurred?
... can break the "rule". Here is an explanation. Basically, it's so that you don't hide:
the fact that an error occurred
the specifics of the error that occurred (error hiding antipattern)
So as long as you take care to do none of those things, it's OK to catch the generic exception. For instance...
How do I rename my Git 'master' branch to 'release'?
...go Settings → Branches → Default Branch. Change it to release and then do the rest of the steps.
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What is “2's Complement”?
...ting up, with a maximum of 2(number of bits - 1)-1.
for negative integers, do exactly the same thing, but switch the role of 0's and 1's (so instead of starting with 0000, start with 1111 - that's the "complement" part).
Let's try it with a mini-byte of 4 bits (we'll call it a nibble - 1/2 a byte)....
How do I get a background location update every n minutes in my iOS application?
...ecution.
Note: I lost some time by testing this in the simulator where it doesn't work. However, it works fine on my phone.
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Move the most recent commit(s) to a new branch with Git
...g git reset --hard HEAD~3 (see Moving to an existing branch above). If you don't merge your changes first, they will be lost.
Unless there are other circumstances involved, this can be easily done by branching and rolling back.
# Note: Any changes not committed will be lost.
git branch newbranch ...