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How can I list the contents of a directory in Python?
...t have to os.path.isdir/file to know if it's a file or not, and that saves CPU time because stat is already done when scanning dir in Windows:
example to list a directory and print files bigger than max_value bytes:
for dentry in os.scandir("/path/to/dir"):
if dentry.stat().st_size > max_va...
How could the UNIX sort command sort a very large file?
...eady takes care of that. If you want make optimal usage of your multi-core CPU I have implementend this in a small script (similar to some you might find on the net, but simpler/cleaner than most of those ;)).
#!/bin/bash
# Usage: psort filename <chunksize> <threads>
# In this example ...
Two inline-block, width 50% elements wrap to second line [duplicate]
...radicate from dynamic situations without a post-processor which costs more CPU-time for marginal bandwidth savings.
– Phil Ricketts
Jul 24 '12 at 17:35
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How to paginate with Mongoose in Node.js?
....g. pageNumber above) increases, cursor.skip() will become slower and more CPU intensive. With larger collections, cursor.skip() may become IO bound.
To achieve pagination in a scaleable way combine a limit( ) along with at least one filter criterion, a createdOn date suits many purposes.
MyMode...
Get Android Device Name [duplicate]
...RAND
os.android.Build.BOOTLOADER
os.android.Build.DISPLAY
os.android.Build.CPU_ABI
os.android.Build.PRODUCT
os.android.Build.HARDWARE
os.android.Build.ID
Also their is other ways you can get device name without using Build class(through the bluetooth).
...
Append an object to a list in R in amortized constant time, O(1)?
...es due to the fact that the code we are testing is not yet loaded into the CPU's cache. Following the first run, we would expect the times to be fairly consistent, but occasionally our code may be evicted from the cache due to timer tick interrupts or other hardware interrupts that are unrelated to ...
What is the string length of a GUID?
...back and forth in translating it. What you are suggesting is slightly more CPU intensive than just reading/writing the value, which is what you want in practice.
– LongChalk
May 14 '18 at 12:19
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MySQL vs MySQLi when using PHP [closed]
...
Which should we choose with less CPU and RAM?
– Mahdi Jazini
Oct 5 '15 at 6:36
1
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Remove element of a regular array
...array copy (which is able to copy the data at the max speed allowed by the CPU with just a few ASM instructions). Also, shifting a list is very fast because it is just a matter of swapping a few pointers and removing the node data (which is only 8 bytes [plus another 16 for the head\tail pointers] i...
Homebrew作者解不出面试题，被Google拒绝 - 创意 - 清泛网 - 专注C/C++及内核技术
...其作者在进入Google的面试中，因解不出一个二叉树翻转的问题，直接被Google拒绝。
Max Howell在Twitter上推文大意如下：
Google：虽然我们90%的工程师都在用你写的Homebrew，但这也并没有什么卵用，你连二叉树翻转都写不出，直接...