大约有 40,000 项符合查询结果(耗时:0.0372秒) [XML]
ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
...ith range operations, but I still didn't have the time to implement this.
RAW Code - open as Raw, then do Ctrl+A to select all, then Ctrl+C to copy.
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the L...
Check if object is file-like in Python
...tIOBase)
isinstance(something, io.BufferedIOBase)
isinstance(something, io.RawIOBase)
isinstance(something, io.IOBase)
For 2.x, "file-like object" is too vague a thing to check for, but the documentation for whatever function(s) you're dealing with will hopefully tell you what they actually need; ...
How to change the order of DataFrame columns?
... Oh man, it even works like this df_metadata.insert(0,'Db_name',"raw_data") (Code not relevant to this thread)
– Aetos
Jun 12 '18 at 9:10
...
Error: request entity too large
...size: '+limit); in node_modules/express/node_modules/connect/node_modules/raw-body/index.js:10 and saw another line in the console when calling the route with a big request (before the error output) :
Limit file size: 1048576
This means that somehow, somewhere, connect resets the limit paramete...
Extract file name from path, no matter what the os/path format
...e/carriage return. Prefixing the string with r"C:\..." means use the given raw input
– Bruce Lamond
Jan 31 '17 at 0:53
...
Rolling or sliding window iterator?
...ables and small windows. On larger windows, the deque pulls ahead again in raw speed.
Access to individual items in the deque may be faster or slower than with lists or tuples. (Items near the beginning are faster, or items near the end if you use a negative index.) I put a sum(w) in the body of my...
Fast way to get image dimensions (not filesize)
...know how much room it must reserve before starting to read the file. Some "raw" type file formats might just be a stream of bytes with some "end of line" byte at the end of each horizontal row of pixels (in which case the software must read the first line and divide the size of the byte stream by th...
Formatting code snippets for blogging on Blogger [closed]
...blog. SyntaxHighlighter is very easy to use. It lets you post snippets in raw form and then wrap them in pre blocks like:
<pre name="code" class="brush: erlang"><![CDATA[
-module(trim).
-export([string_strip_right/1, reverse_tl_reverse/1, bench/0]).
bench() -> [nbench(N) || N <- [...
Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
... end with some profiling stats on why @User's drop solution is slower than raw column based filtration:-
%timeit df_new = df[(df.E>0)]
345 µs ± 10.5 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
%timeit dft.drop(dft[dft.E < 0].index, inplace=True)
890 µs ± 94.9 µs per loo...
How does the algorithm to color the song list in iTunes 11 work? [closed]
...as suitable... looks like I reinvented the wheel a bit here)
convertToYUV[rawRGB_] :=
Module[{yuv},
yuv = {{0.299, 0.587, 0.114}, {-0.14713, -0.28886, 0.436},
{0.615, -0.51499, -0.10001}};
yuv . rawRGB
]
Next, I wrote a function to calculate color distance with...
