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Append value to empty vector in R?
...
FWIW: analogous to python's append():
b <- 1
b <- c(b, 2)
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Difference between Pig and Hive? Why have both? [closed]
... by analysts comfortable with SQL as well as by data miners programming in Python. SQL compatibility efforts in Pig have been abandoned AFAIK - so the difference between the two projects is very clear.
Supporting SQL syntax also means that it's possible to integrate with existing BI tools like Micr...
SVN needs-lock 设置强制只读属性（官方资料） - 更多技术 - 清泛网 - 专注...
....ico.$ \.jpeg.$ \.jpg.$ \.png.$ \.tif.$ \.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 denied, binary files...
What MIME type should I use for CSV?
...ocument.text</td></tr><tr><td></td><td>PDF</td><td>application/pdf</td></tr><tr><td></td><td>MS Word document</td><td>application/vnd.openxmlformats-officedocument.wordprocessingml.document</td><...
What are some (concrete) use-cases for metaclasses?
...ling to actually change these values. Maybe David Beazley can.
Anyway, in Python 3, metaclasses also have the __prepare__ method, which lets you evaluate the class body into a mapping other than a dict, thus supporting ordered attributes, overloaded attributes, and other wicked cool stuff:
import ...
What does DIM stand for in Visual Basic and BASIC?
...later in '68 DIM is included and in fact is used for arrays. bitsavers.org/pdf/dartmouth/BASIC_4th_Edition_Jan68.pdf
– RandyMorris
Sep 8 '12 at 18:56
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...haps you're looking for the x86_64 ABI?
www.x86-64.org/documentation/abi.pdf (404 at 2018-11-24)
www.x86-64.org/documentation/abi.pdf (via Wayback Machine at 2018-11-24)
Where is the x86-64 System V ABI documented? - https://github.com/hjl-tools/x86-psABI/wiki/X86-psABI is kept up to date (by HJ L...
Design patterns or best practices for shell scripts [closed]
... readonly:
readonly readonly_var="foo"
Modularization
You can achieve "python like" modularization if you use the following code:
set -o nounset
function getScriptAbsoluteDir {
# @description used to get the script path
# @param $1 the script $0 parameter
local script_invoke_path="$...
Formatting numbers (decimal places, thousands separators, etc) with CSS
... once it's in the DOM or format it via your language server-side (PHP/ruby/python etc.)
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Access-Control-Allow-Origin与跨域 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ork”栏并没有任何记录。它到底发请求了没？
我又使用 python -m SimpleHTTPServer 在本地创建了一个小服务器，然后把地址改成它，结果发现在python这边的确打印出请求来了，可见浏览器的确发出了请求。
Access-Control-Allow-Origin
现...