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Meaning of Open hashing and Closed hashing
...instead once an object is hashed, it is stored in a list which is separate from the hash table's internal array. "open" refers to the freedom we get by leaving the hash table, and using a separate list. By the way, "separate list" hints at why open hashing is also known as "separate chaining".
In s...
What is the correct way of using C++11's range-based for?
... ctor.
3 X copy ctor.
5 X copy ctor.
7 X copy ctor.
9
As it can be read from the output, copy constructor calls are made during range-based for loop iterations.
This is because we are capturing the elements from the container by value
(the auto x part in for (auto x : v)).
This is inefficient c...
Git search for string in a single file's history
...
Or maybe you can try this one (from related questions Search all of git history for string)
git rev-list --all foo.rb | (
while read revision; do
git grep -F 'bar' $revision foo.rb
done
)
It will actually look for file content and not co...
Git submodule inside of a submodule (nested submodules)
...
As Sridhar comments below, from Git1.6.5+, git clone --recursive is now the official alternative, described in:
"git clone --submodule"
"Retrospectively add --recursive to a git repo"
(with the alias $ git config --global alias.cloner = 'clone --rec...
Ruby on Rails Callback, what is difference between :before_save and :before_create?
... read update instead of create everywhere (and UPDATE instead of INSERT).
From this, you can see that validation is carried out before the before_save and before_create callbacks.
The before_save occurs slightly before the before_create. To the best of my knowledge, nothing happens between them; ...
Why does TestInitialize get fired for every test in my Visual Studio unit tests?
...ith the ClassInitialize and ClassCleanup attributes.
Relevant information from the auto generated test-file in Visual Studio:
You can use the following additional attributes as you write your tests:
// Use ClassInitialize to run code before running the first test in the class
[ClassInitialize()]
...
C# - Multiple generic types in one list
...
I have a similar problem, but my generic class extends from another generic class, so I can't use your solution... any ideas on a fix for this situation?
– Sheridan
Aug 8 '12 at 12:44
...
Can someone explain Microsoft Unity?
...en and felt that was a good explaination with examples. Here is a snippet from the show notes:
The screencast shows several common usages of the Unity IoC, such as:
Creating Types Not In Container
Registering and Resolving TypeMappings
Registering and Resolving Named TypeMappings
Singletons, ...
C++ const map element access
...
Does the C++ standard forbid the implementation from defining additional non-standard member functions in library classes?
– Tim Martin
Feb 27 '11 at 17:31
...
How do I install imagemagick with homebrew?
...hen I retried brew install imagemagick and it correctly pulled the package from the new mirror, instead of adamv.
If that does not work, ensure that /Library/Caches/Homebrew does not contain any imagemagick files or folders. Delete them if it does.
...