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What's the fastest algorithm for sorting a linked list?
...000 seconds
Packed list with merge sort: 16.525000 seconds
Conclusion:
At least on my machine, copying into an array is well worth it to improve the cache performance, since you rarely have a completely packed linked list in real life. It should be noted that my machine has a 2.8GHz Phenom II, but ...
What is NoSQL, how does it work, and what benefits does it provide? [closed]
...databases commonly called NoSQL, but every single one is also false for at least one other. Actually, the only thing NoSQL databases have in common, is that they are databases which do not use SQL. That's it. The only thing that defines them is what sets them apart from each other.
So what sets NoS...
How do I remove the blue styling of telephone numbers on iPhone/iOS?
...elieve: a[href^="tel"]{ color:inherit; text-decoration:none; } At least that's what worked for me. You need the double quotes (" ") as mentioned here: stackoverflow.com/questions/3859101/what-does-ahref-do-in-css
– Panagiotis Palladinos
Sep 26 '15 at 1...
What does “abstract over” mean?
...nguages there is a need to have such mechanisms to reduce complexity(or at least create a hierarchy that partitions information into easier to understand pieces).
A class is an abstraction over a simple data type. It is sort of like a basic type but actually generalizes them. So a class is more tha...
Refresh a page using JavaScript or HTML [duplicate]
...true)
You will see any changes made on the page.
This method requires at least one request even when no request is needed because it already exists in the local browser cache. But the overhead is less comparing to using no cache at all (to be sure the page will show the right updated content). Thi...
How to print last two columns using awk
...cord:
awk '{print $(NF-1),"\t",$NF}' file
this assumes that you have at least 2 fields.
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Accessing an SQLite Database in Swift
... @stephencelis Hey, that's better than most of them, because at least you specify the timezone, but I still have issues with that NSDateFormatter. But my intent was less to critique this particular aspect of these particular implementations than to suggest that its indicative of a broader...
How to find/remove unused dependencies in Gradle
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This plugin seems to be a dead project... at least with the current Gradle version.
– cjstehno
Sep 23 '15 at 19:07
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Set custom attribute using JavaScript
...alues of data attributes, but as @racemic points out, it is 62% slower (at least in Chrome on macOS at the time of writing). So I would recommend using the setAttribute method instead.
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Why does pthread_cond_wait have spurious wakeups?
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There are at least two things 'spurious wakeup' could mean:
A thread blocked in pthread_cond_wait can return from the call even though no call to pthread_call_signal or pthread_cond_broadcast on the condition occurred.
A thread blocked ...