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Java Constructor Inheritance
I was wondering why in java constructors are not inherited? You know when you have a class like this:
10 Answers
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What happens to C# Dictionary lookup if the key does not exist?
...corresponding value
}
else
{
// Key wasn't in dictionary; "value" is now 0
}
(Using ContainsKey and then the the indexer makes it look the key up twice, which is pretty pointless.)
Note that even if you were using reference types, checking for null wouldn't work - the indexer for Dictionary...
Is there an interactive way to learn Vim? [closed]
...that didn't involve a wall of text, or scrolling through vimtutor without knowing the commands to do so. I wondered if anything else existed for such a purpose.
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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]
... @PiotrKwiatek Not sure if this changed between your comment and now, but Enable-Migrations -ContextTypeName MyContext -MigrationsDirectory Migrations\MyContextMigrations works now.
– Zack
Aug 10 '15 at 15:30
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What's the difference between `raw_input()` and `input()` in Python 3?
...e raw_input() does not.
Python 3:
raw_input() was renamed to input() so now input() returns the exact string.
Old input() was removed.
If you want to use the old input(), meaning you need to evaluate a user input as a python statement, you have to do it manually by using eval(input()).
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How to extract a git subdirectory and make a submodule out of it?
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Nowadays there's a much easier way to do it than manually using git filter-branch: git subtree
Installation
NOTE git-subtree is now part of git (if you install contrib) as of 1.7.11, so you might already have it installed. ...
Git - What is the difference between push.default “matching” and “simple”
I have been using git for a while now, but I have never had to set up a new remote repo myself and I have been curious on doing so. I have been reading tutorials and I am confused on how to get "git push" to work.
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Constructors vs Factory Methods [closed]
...ibility to one of several helper subclasses, and you want to localize the knowledge of which helper subclass is the delegate
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Error 1022 - Can't write; duplicate key in table
...out this sort of thing when I opened the project.
– SnowInferno
Oct 1 '14 at 0:17
Thank you, mate :) That helps me a l...
C++11 rvalues and move semantics confusion (return statement)
...tor();
In the second example you have created a run time error. rval_ref now holds a reference to the destructed tmp inside the function. With any luck, this code would immediately crash.
Third example
std::vector<int> return_vector(void)
{
std::vector<int> tmp {1,2,3,4,5};
re...