大约有 9,000 项符合查询结果（耗时：0.0184秒） [XML]
Is this a “good enough” random algorithm; why isn't it used if it's faster?
I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part.
...
Adding a regression line on a ggplot
... answered Oct 12 '18 at 5:12
qwrqwr
5,55233 gold badges3434 silver badges6161 bronze badges
...
Splitting on first occurrence
... Technically assumes the correct delimiter. The 'first' is the [1] index. The one we are all referencing would of course be the zero-ith index. :D Semantics.
– Izaac Corbett
Nov 15 '17 at 13:19
...
Get application version name using adb
...script:
adb shell dumpsys package | awk '/^[ ]*Package \[.*\] (.*)/ { i = index($0, "[") + 1; pkg = substr($0, i, index($0, "]") - i); } /[ ]*versionName=/ { { print pkg "\t" substr($0, index($0, "=") + 1); pkg = ""; } }'
...
What is the HTML tabindex attribute?
What is the tabindex attribute used for in HTML?
10 Answers
10
...
Pythonic way to check if a list is sorted or not
... el in enumerate(lst[1:]):
if key(el) < key(lst[i]): # i is the index of the previous element
return False
return True
This will be O(n) if the list is already sorted though (and O(n) in a for loop at that!) so, unless you expect it to be not sorted (and fairly random) m...
Finding what branch a Git commit came from
...ng each hash to see if it contains the desired commit or not.
Find a subsequent merge commit
This is workflow-dependent, but with good workflows, commits are made on development branches which are then merged in. You could do this:
git log --merges <commit>..
to see merge commits that hav...
Closing WebSocket correctly (HTML5, Javascript)
...or maybe on purpose, as the user navigates/page is reloaded. I've posted a question asking what the expected behaviour should be, which browser has it right and how we implement auto-reconnect.
– leggetter
Jun 10 '12 at 1:10
...
Node.js project naming conventions for files & folders
...er mixes this up a bit).
I also like this pattern to separate files:
lib/index.js
var http = require('http');
var express = require('express');
var app = express();
app.server = http.createServer(app);
require('./config')(app);
require('./models')(app);
require('./routes')(app);
app.server....
Git status ignore line endings / identical files / windows & linux environment / dropbox / mled
...
git commit -m "Saving files before refreshing line endings"
Remove the index and force Git to rescan the working directory.
rm .git/index
Rewrite the Git index to pick up all the new line endings.
git reset
Show the rewritten, normalized files.
In some cases, this is all that needs to b...