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Read and overwrite a file in Python
...t, then write a new file to the old filename path. This move operation is fast on unix filesystems, because it just moves the filesystem inode, not the full contents. Then you can read & process each line individually to avoid the memory bloat. :-)
– TrinitronX
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Big-oh vs big-theta [duplicate]
... English statements are respectively:
T(n) grows asymptotically no faster than n100
T(n) grows asymptotically no faster than n3
T(n) grows asymptotically as fast as n3.
So while all three statements are true, progressively more information is contained in
each. In some fields, ...
How do I connect to a MySQL Database in Python?
...r jewel in the Python world: peewee. It's a very lite ORM, really easy and fast to setup then use. It makes my day for small projects or stand alone apps, Where using big tools like SQLAlchemy or Django is overkill :
import peewee
from peewee import *
db = MySQLDatabase('jonhydb', user='john', pas...
What is the cleanest way to disable CSS transition effects temporarily?
... the above code break in WebKit browsers, but on Firefox (on both slow and fast machines) you'll sometimes (seemingly at random) get the same behaviour as using the naive approach. I guess the reason for this is that it's possible for the JavaScript execution to be slow enough that the timeout funct...
What is the most efficient way to create HTML elements using jQuery?
...(document.createElement('div')); Benchmarking shows this technique is the fastest. I speculate this is because jQuery doesn't have to identify it as an element and create the element itself.
You should really run benchmarks with different Javascript engines and weigh your audience with the result...
What's the status of multicore programming in Haskell?
... of Orc, a concurrent workflow language, in Haskell.
And a new library for fast regular, parallel arrays appeared
And Haskell continues to do well on the quad-core shootout.
Snap, a multicore-enabled scalable web server with great performance numbers
haskell-torrent - benchmarking a mulitcore-enable...
Calculating frames per second in a game
...t look at how long it took to render the last frame the number changes too fast.
19 Answers
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simple explanation PHP OOP vs Procedural?
... logic. It's a mistake that's easy to make when people start doing OOP too fast.
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Is Mono ready for prime time? [closed]
...ering if it's ready for real world, production environments. Is it stable, fast, compatible, ... enough to use? Does it take a lot of effort to port projects to the Mono runtime, or is it really, really compatible enough to just take of and run already written code for Microsoft's runtime?
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What's the difference between `1L` and `1`?
...akes no difference - but sometimes you can use it to get your code to run faster and consume less memory. A double ("numeric") vector uses 8 bytes per element. An integer vector uses only 4 bytes per element. For large vectors, that's less wasted memory and less to wade through for the CPU (so it's...