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Why is my program slow when looping over exactly 8192 elements?
...rogram in question. The matrix img[][] has the size SIZE×SIZE, and is initialized at:
2 Answers
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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 ...
How to find unused/dead code in java projects [closed]
...rge java projects? Our product has been in development for some years, and it is getting very hard to manually detect code that is no longer in use. We do however try to delete as much unused code as possible.
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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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Can you build dynamic libraries for iOS and load them at runtime?
...e allowed.
However, in iOS8 you can use dynamic libraries and frameworks. It should "just work"
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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...
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 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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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...
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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