大约有 45,000 项符合查询结果(耗时:0.0450秒) [XML]
Should I use multiplication or division?
...0m7.997s
user 0m7.516s
sys 0m0.036s
=> no real difference
LuaJIT:
time luajit -O -e 'for i=1,1e8 do t=12341234234.234 / 2.0 end'
real 0m1.921s
user 0m1.668s
sys 0m0.004s
time luajit -O -e 'for i=1,1e8 do t=12341234234.234 * 0.5 end'
real 0m1.843s
user 0m1.676s
sys ...
Why is pow(a, d, n) so much faster than a**d % n?
I was trying to implement a Miller-Rabin primality test , and was puzzled why it was taking so long (> 20 seconds) for midsize numbers (~7 digits). I eventually found the following line of code to be the source of the problem:
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Should composer.lock be committed to version control?
I'm a little confused with composer.lock used in an application with a repository.
8 Answers
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Generating random integer from a range
...integer in given range (including border values). I don't unreasonable quality/randomness requirements, I have four requirements:
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Why is IoC / DI not common in Python?
.... What is uncommon, however, are DI/IoC frameworks/containers.
Think about it: what does a DI container do? It allows you to
wire together independent components into a complete application ...
... at runtime.
We have names for "wiring together" and "at runtime":
scripting
dynamic
So, a DI conta...
Can you call Directory.GetFiles() with multiple filters?
...e types, such as mp3 's and jpg 's. I have tried both of the following with no luck:
26 Answers
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What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
... is a lot faster than Python's SimpleHTTPServer. This is primarily because it uses asynchronous IO for concurrent handling of requests, instead of serialising requests.
Installation
Install node.js if you haven't already. Then use the node package manager (npm) to install the package, using the -g o...
Finalize vs Dispose
...ll called a destructor in the language specification), so I'll just add a little about the scenarios where the Finalize method comes in handy.
Some types encapsulate disposable resources in a manner where it is easy to use and dispose of them in a single action. The general usage is often like this...
JSLint says “missing radix parameter”
I ran JSLint on this JavaScript code and it said:
11 Answers
11
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What is the difference between “git init” and “git init --bare”?
What is the different between git init and git init --bare ? I found that a lot of blog post requires --bare for their Git server?
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