大约有 47,000 项符合查询结果（耗时：0.0646秒） [XML]
Rolling or sliding window iterator?
...There's one in an old version of the Python docs with itertools examples:
from itertools import islice
def window(seq, n=2):
"Returns a sliding window (of width n) over data from the iterable"
" s -> (s0,s1,...s[n-1]), (s1,s2,...,sn), ... "
it = iter(seq)
res...
Asking the user for input until they give a valid response
I am writing a program that accepts an input from the user.
21 Answers
21
...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...fer to CPU time used only by the process.
Real is wall clock time - time from start to finish of the call. This is all elapsed time including time slices used by other processes and time the process spends blocked (for example if it is waiting for I/O to complete).
User is the amount of CPU time ...
Add a prefix to all Flask routes
... take a look at this example application with Flask mounted inside of it:
from flask import Flask, url_for
from werkzeug.serving import run_simple
from werkzeug.wsgi import DispatcherMiddleware
app = Flask(__name__)
app.config['APPLICATION_ROOT'] = '/abc/123'
@app.route('/')
def index():
retu...
Can I mask an input text in a bat file?
...ord
The getpwd.vbs simply uses the password object to input the password from the user and then print it to standard output (the next paragraph will explain why that doesn't show up in the terminal).
The getpwd.cmd command script is a bit trickier but it basically works as follows.
The effect of...
How to search and replace globally, starting from the cursor position and wrapping around the end of
...-&&
First, the substitution command is run for each line starting from
the current one until the end of file:
,$s/BEFORE/AFTER/gc
Then, that :substitute command is repeated with the same search
pattern, replacement string, and flags, using the :& command
(see :help :&):
1,''-&...
How to rsync only a specific list of files?
...rver. I figured rsync would be able to do this for me using the --include-from option. Without the --exclude="*" option, all the files in the directory are being synced, with the option, no files are.
...
Add line break to 'git commit -m' from the command line
I am using Git from the command line and am trying to add a line break to the commit message (using git commit -m "" ) without going into Vim.
...
“Ago” date/time functions in Ruby/Rails
....since
Or in your views you have the helpers:
distance_of_time_in_words(from_time, to_time)
time_ago_in_words(from_time)
Check the API for details and more options.
share
|
improve this answer
...
Exception handling in R [closed]
...
This result from a related google search helped me: http://biocodenv.com/wordpress/?p=15.
for(i in 1:16){
result <- try(nonlinear_modeling(i));
if(class(result) == "try-error") next;
}
...