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How fast is D compared to C++?
... enable all optimizations and disable all safety checks, compile your D program with the following DMD flags:
-O -inline -release -noboundscheck
EDIT: I've tried your programs with g++, dmd and gdc. dmd does lag behind, but gdc achieves performance very close to g++. The commandline I used was gd...
Error pushing to GitHub - insufficient permission for adding an object to repository database
I'm getting back an unusual error while trying to do a "git push" to my GitHub repository:
21 Answers
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Automatic TOC in github-flavoured-markdown
Is it possible to generate an automatic Table of Contents using Github Flavoured Markdown ?
17 Answers
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From inside of a Docker container, how do I connect to the localhost of the machine?
So I have a Nginx running inside a docker container, I have a mysql running on localhost, I want to connect to the MySql from within my Nginx. The MySql is running on localhost and not exposing a port to the outside world, so its bound on localhost, not bound on the ip address of the machine.
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Cross-browser testing: All major browsers on ONE machine
Aim of this guide:
3 Answers
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pythonic way to do something N times without an index variable?
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A slightly faster approach than looping on xrange(N) is:
import itertools
for _ in itertools.repeat(None, N):
do_something()
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Convert string to nullable type (int, double, etc…)
I am attempting to do some data conversion. Unfortunately, much of the data is in strings, where it should be int's or double, etc...
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How to use Class in Java?
There's a good discussion of Generics and what they really do behind the scenes over at this question , so we all know that Vector<int[]> is a vector of integer arrays, and HashTable<String, Person> is a table of whose keys are strings and values Person s.
However, what stumps me ...
How to paste over without overwriting register
...s anyone know of a way to paste over a visually selected area without having the selection placed in the default register?
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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...abases implement DISTINCT under the hood).
If one of them is faster, it's going to be DISTINCT. This is because, although the two are the same, a query optimizer would have to catch the fact that your GROUP BY is not taking advantage of any group members, just their keys. DISTINCT makes this expli...