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Where do I find the current C or C++ standard documents?
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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
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The announcement of Ruby 2.3.0-preview1 includes an introduction of Safe navigation operator.
A safe navigation operator, which already exists in C#, Groovy, and
Swift, is introduced to ease nil handling as obj&.foo. Array#dig and
Hash#dig are also adde...
How to change the docker image installation directory?
...d docs
Edit /etc/docker/daemon.json (if it doesn’t exist, create it) and include:
{
"data-root": "/new/path/to/docker-data"
}
Then restart Docker with:
sudo systemctl daemon-reload
sudo systemctl restart docker
A more detailed step-by-step explanation (including moving data) using Docker Stor...
Performance surprise with “as” and nullable types
... If no other good has come out of all of this, it's led me to include warnings for both my original code and this :)
– Jon Skeet
Oct 18 '09 at 11:52
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Split function equivalent in T-SQL?
...ilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference.
– Xavi López
Nov 25 '13 at 13:26
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Is there a .NET/C# wrapper for SQLite? [closed]
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The complete list of features can be found at on their wiki. Highlights include
ADO.NET 2.0 support
Full Entity Framework support
Full Mono support
Visual Studio 2005/2008 Design-Time support
Compact Framework, C/C++ support
Released DLLs can be downloaded directly from the site.
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Recursion in Angular directives
...worked out of the box for me to make recursion between two directives that include each other work.
– jssebastian
Sep 26 '13 at 17:25
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Why can't variables be declared in a switch statement?
...lowed by the language. I've checked both C'90 and C'99 and both standards include an example with a jump over initialization in a switch statement.
– Richard Corden
Feb 28 '10 at 22:23
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Magic number in boost::hash_combine
...of the golden ratio:
phi = (1 + sqrt(5)) / 2
2^32 / phi = 0x9e3779b9
So including this number "randomly" changes each bit of the seed; as you say, this means that consecutive values will be far apart. Including the shifted versions of the old seed makes sure that, even if hash_value() has a fairl...