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What is a “cache-friendly” code?
What is the difference between " cache unfriendly code " and the " cache friendly " code?
9 Answers
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how to convert array values from string to int?
...ed question. OP had a string of comma-separated numeric values, not a pick-and mix of text and numbers
– Mark Baker
Oct 9 '13 at 13:46
1
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Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
Amazon's EC2 service offers a variety of Linux and Windows OS choices, but I haven't found a service offering a similar "rent by the hour" service for a remote Mac OS X virtual machine. Does such a service exist? (iCloud looks to be just a data storage service, rather than a service allowing remot...
Check if full path given
... @SmirkinGherkin so what is the difference between a rooted and absolute path?
– Jason Axelson
Mar 1 '13 at 1:23
1
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Javascript: negative lookbehind equivalent?
...le Chrome 62.0
✔️ Microsoft Edge 79.0
✔️ Node.js 6.0 behind a flag and 9.0 without a flag
✔️ Deno (all versions)
✔️ SpiderMonkey
✔️ Mozilla Firefox 78.0
????️ JavaScriptCore: Apple is working on it
????️ Apple Safari
????️ iOS WebView (all browsers on iOS + iPadOS)
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Formatting code snippets for blogging on Blogger [closed]
My blog is hosted on Blogger and I frequently post code snippets in C / C# / Java / XML etc. but I find the snippet gets "mangled".
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Metadata file '.dll' could not be found
I am working on a WPF, C# 3.0 project, and I get this error:
91 Answers
91
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Extract a substring according to a pattern
...we create a data frame with two columns, one for the part before the colon and one for after, and then extract the latter.
library(dplyr)
library(tidyr)
library(purrr)
DF <- data.frame(string)
DF %>%
separate(string, into = c("pre", "post")) %>%
pull("post")
## [1] "E001" "E002" "E00...
What are the differences between virtual memory and physical memory?
...e to correspond to actual physical addresses. The operating system creates and deals with these mappings - utilizing the page table, among other data structures to maintain the mappings. Virtual memory mappings are always found in the page table or some similar data structure (in case of other imple...
How do you write tests for the argparse portion of a python module? [closed]
...
You should refactor your code and move the parsing to a function:
def parse_args(args):
parser = argparse.ArgumentParser(...)
parser.add_argument...
# ...Create your parser as you like...
return parser.parse_args(args)
Then in your main...