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What does principal end of an association means in 1:1 relationship in Entity framework
...dent. Principal end is the one which will be inserted first and which can em>x m>ist without the dependent one. Dependent end is the one which must be inserted after the principal because it has foreign key to the principal.
In case of entity framework FK in dependent must also be its PK so in your case...
Which, if any, C++ compilers do tail-recursion optimization?
...htforward: Just switch on optimisation for speed:
For MSVC, use /O2 or /Om>x m>.
For GCC, Clang and ICC, use -O3
An easy way to check if the compiler did the optimisation is to perform a call that would otherwise result in a stack overflow — or looking at the assembly output.
As an interesting his...
Git push won't do anything (everything up-to-date)
...efs configured for 'git push':
master pushes to master (up to date)
quum>x m> pushes to quum>x m> (fast forwardable)
Q. But I could push to master without worrying about all this!
When you git clone, by default it sets up your local master branch to push to the remote's master branch (locally refer...
How to compile a 32-bit binary on a 64-bit linum>x m> machine with gcc/cmake
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em>x m>port CFLAGS=-m32
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Prepend a level to a pandas MultiIndem>x m>
I have a DataFrame with a MultiIndem>x m> created after some grouping:
5 Answers
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Run two async tasks in parallel and collect results in .NET 4.5
...t this wrong was answer until I ran it. then I understood. It really does em>x m>ecute in 5 seconds. The trick is to NOT await the tasks immediately, instead await on Task.WhenAll.
– Tim Lovell-Smith
Apr 3 '14 at 9:13
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Rebase a single Git commit
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You can cherry-pick m>X m>m>X m> to master.
git checkout master
git cherry-pick <commit ID of m>X m>m>X m>>
And remove the last commit from the feature branch with git reset.
git checkout Feature-branch
git reset --hard HEAD^
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make iframe height dynamic based on content inside- JQUERY/Javascript
I am loading an aspm>x m> web page in an iframe. The content in the Iframe can be of more height than the iframe's height. The iframe should not have scroll bars.
...
How do I create a nice-looking DMG for Mac OS m>X m> using command-line tools?
... may have to reboot after this change (it doesn't work otherwise on Mac OS m>X m> Server 10.4).
Create a R/W DMG. It must be larger than the result will be. In this em>x m>ample, the bash variable "size" contains the size in Kb and the contents of the folder in the "source" bash variable will be copied into t...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...ecify which versions.
The Gemfile.lock file is where Bundler records the em>x m>act versions that were installed. This way, when the same library/project is loaded on another machine, running bundle install will look at the Gemfile.lock and install the em>x m>act same versions, rather than just using the Gem...