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How do emulators work and how are they written? [closed]
...mulation:
Interpretation
Dynamic recompilation
Static recompilation
With all of these paths, you have the same overall goal: execute a piece of code to modify processor state and interact with 'hardware'. Processor state is a conglomeration of the processor registers, interrupt handlers, etc for ...
Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…
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The week part is nice but overall the function should be more flexible ($full should be a string input to filter the output as needed). e.g. time_elapsed_string($datetime, $format = "ymw"). P.S. Flat version: stackoverflow.com/a/5010169/318765
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Difference between malloc and calloc?
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calloc() gives you a zero-initialized buffer, while malloc() leaves the memory uninitialized.
For large allocations, most calloc implementations under mainstream OSes will get known-zeroed pages from the OS (e.g. via POSIX mm...
How to assert greater than using JUnit Assert?
... such-and-such wasn't greater than so-and-so.
You could also add hamcrest-all as a dependency to use matchers. See https://code.google.com/p/hamcrest/wiki/Tutorial:
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;
assertThat("timestamp",
Long....
Using the RUN instruction in a Dockerfile with 'source' does not work
I have a Dockerfile that I am putting together to install a vanilla python environment (into which I will be installing an app, but at a later date).
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What's the fuss about Haskell? [closed]
...eems to love that language. Being good at Haskell seems somewhat like the hallmark of a genius programmer.
17 Answers
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How to create a drop shadow only on one side of an element?
...;
}
<div id="box" class="box-shadow"></div>
UPDATE 3
All my previous answers have been using extra markup to get create this effect, which is not necessarily needed. I think this a much cleaner solution... the only trick is playing around with the values to get the right positi...
How do I get the find command to print out the file size with the file name?
...ust the h extra from jer.drab.org's reply. saves time converting to MB mentally ;)
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what is the difference between GROUP BY and ORDER BY in sql
... returned.
GROUP BY will aggregate records by the specified columns which allows you to perform aggregation functions on non-grouped columns (such as SUM, COUNT, AVG, etc).
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Git branching strategy integated with testing/QA process
...sable state. The long version is that we test in many phases. More analytically:
Developer creates a feature branch for every new feature.
The feature branch is (automatically) deployed on our TEST environment with every commit for the developer to test.
When the developer is done with deployment...