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How do you split a list into evenly sized chunks?
...old) Python documentation (recipes for itertools):
from itertools import izip, chain, repeat
def grouper(n, iterable, padvalue=None):
"grouper(3, 'abcdefg', 'x') --> ('a','b','c'), ('d','e','f'), ('g','x','x')"
return izip(*[chain(iterable, repeat(padvalue, n-1))]*n)
The current versi...
SVN needs-lock 设置强制只读属性（官方资料） - 环境配置 - 清泛IT论坛，...
...\.tiff.$ \.doc.$ \.jar.$ \.odt.$ \.pdf.$ \.ppt.$ \.swf.$ \.vsd.$ \.xls.$ \.zip.[ DISCUZ_CODE_0 ]quot; %TEMP%\tempfile%2`) do (
%SVNLOOK% propget -t %2 %1 svn:needs-lock %%i 1> nul 2> nul
if ERRORLEVEL 1 (
echo commit ...
VC菜单命令详解(文件打开、保存与关闭) - C/C++ - 清泛网 - 专注C/C++及内核技术
...文件扩展名判断。若文件已经在
某个文档中打开，则激活文档的第一个视图，否则用匹配的文档模板pBestTemplate->OpenDocumentFile
(szPath)。
|
CDocTemplate::OpenDocumentFile调用CDocument::OnOpenDocument打开文件。
|
CDocument::OnOpenD...
What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
...NT column (2D datatype) with a SPATIAL index.
CREATE TABLE `cities` (
`zip` varchar(8) NOT NULL,
`country` varchar (2) GENERATED ALWAYS AS (SUBSTRING(`zip`, 1, 2)) STORED,
`city` varchar(30) NOT NULL,
`centre` point NOT NULL,
PRIMARY KEY (`zip`),
KEY `country` (`country`),
KEY `city`...
Using python map and other functional tools
...sequence1, sequence2)
is mostly equivalent to:
[f(x1, x2) for x1, x2 in zip(sequence1, sequence2)]
(there is a difference in how it handles the case where the sequences are of different length. As you saw, map() fills in None when one of the sequences runs out, whereas zip() stops when the sho...
Passing parameters to a Bash function
...kies. :-)
# $1 is the directory to archive
# $2 is the name of the tar and zipped file when all is done.
function backupWebRoot ()
{
tar -cvf - $1 | zip -n .jpg:.gif:.png $2 - 2>> $errorlog &&
echo -e "\nTarball created!\n"
}
# sh style declaration for the purist in you. ...
How can I beautify JavaScript code using Command Line?
...script engine, Rhino. "Install" is a little bit misleading; Download the zip file, extract everything, place js.jar in your Java classpath (or Library/Java/Extensions on OS X). You can then run scripts with an invocation similar to this
java -cp js.jar org.mozilla.javascript.tools.shell.Main na...
How to send a “multipart/form-data” with requests in python?
...pprint(response.json()['headers'])
{'Accept': '*/*',
'Accept-Encoding': 'gzip, deflate',
'Connection': 'close',
'Content-Length': '141',
'Content-Type': 'multipart/form-data; '
'boundary=c7cbfdd911b4e720f1dd8f479c50bc7f',
'Host': 'httpbin.org',
'User-Agent': 'python-requests/2...
How is mime type of an uploaded file determined by browser?
I have a web app where the user needs to upload a .zip file. On the server-side, I am checking the mime type of the uploaded file, to make sure it is application/x-zip-compressed or application/zip .
...
combinations between two lists?
...list2. In python:
import itertools
list1=['a','b','c']
list2=[1,2]
[list(zip(x,list2)) for x in itertools.permutations(list1,len(list2))]
Returns
[[('a', 1), ('b', 2)], [('a', 1), ('c', 2)], [('b', 1), ('a', 2)], [('b', 1), ('c', 2)], [('c', 1), ('a', 2)], [('c', 1), ('b', 2)]]
...