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What is the fastest way to create a checksum for large files in C#
... 12-14 secs - i understand that reading hundreds of 4k blocks will produce more IO but i ask myself if the framework or the native APIs below the framework do not handle this already..
– Christian Casutt
Feb 20 '10 at 7:48
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Compare floats in php
.... It's still broken (especially when $a == $b == 0, but it's already a lot more general than absolute error. If $a and $b are in the millions, then your EPSILON would have to be very different than if $a and $b are somewhere close to 0. See Dom's link above for a better discussion of this.
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Meaning of $? (dollar question mark) in shell scripts
...status of 0 means success, and non-zero return status means failure. Learn more about exit statuses on wikipedia.
There are other special variables like this, as you can see on this online manual: https://www.gnu.org/s/bash/manual/bash.html#Special-Parameters
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Is it possible to have different Git configuration for different projects?
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Calculate size of Object in Java [duplicate]
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Postgresql: password authentication failed for user “postgres”
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How to render a DateTime object in a Twig template
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What does the Reflect object do in JavaScript?
...ed out by 7th's answer, now that ES6 (ECMAScript 2015) has been finalized, more appropriate documentation is now available:
ES6 spec, Reflection
MDN Reflect (including details and examples to all of its methods)
Original answer (for (historic) understanding and extra examples):
The Reflection ...
What's quicker and better to determine if an array key exists in PHP?
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Can you run the benchmark again with the more correct "(isset($array[$i]) || $array[$i] === null)"?
– Tomalak
Mar 31 '09 at 6:36
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How do I restrict a float value to only two places after the decimal point in C?
...vious" decimal values, but they will be very very close.
For much (much!) more information on rounding, and especially on tie-breaking rules for rounding to nearest, see the Wikipedia article on Rounding.
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