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String literals: Where do they go?
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edited Apr 7 '10 at 4:34
answered Apr 7 '10 at 4:16
R S...
Total number of items defined in an enum
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answered May 13 '09 at 5:10
Kasper HoldumKasper Holdum
11.1k44 gold badges4040 silver badges7272 bronze badges
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Given a URL to a text file, what is the simplest way to read the contents of the text file?
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Edit 09/2016: In Python 3 and up use urllib.request instead of urllib2
Actually the simplest way is:
import urllib2 # the lib that handles the url stuff
data = urllib2.urlopen(target_url) # it's a file like object and works just like a file
for...
Correct way of using JQuery-Mobile/Phonegap together?
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edited Oct 22 '15 at 19:36
user241244
answered Oct 10 '12 at 13:59
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Javascript checkbox onChange
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answered Jun 15 '11 at 13:49
Senad MeškinSenad Meškin
12.4k44 gold badges3535 silver badges5151 bronze badges
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Is there an equivalent for the Zip function in Clojure Core or Contrib?
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(map vector '(1 2 3) '(4 5 6))
does what you want:
=> ([1 4] [2 5] [3 6])
Haskell needs a collection of zipWith (zipWith3, zipWith4, ...) functions, because they all need to be of a specific type; in particular, the number of input lis...
How do I find all of the symlinks in a directory tree?
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312
This will recursively traverse the /path/to/folder directory and list only the symbolic links:...
下载器使用指导 · App Inventor 2 中文网
.navbar .nav-link .mdi, .navbar .dropdown-item .mdi { margin-right: 6px; opacity: .7; } 创建 Apps 文档 文档首页 内置块参考文档 组件参考文档 拓展参考文档 概念参考文档 IoT 参考文档 技术和其他指...
Combine two or more columns in a dataframe into a new column with a new name
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132
Use paste.
df$x <- paste(df$n,df$s)
df
# n s b x
# 1 2 aa TRUE 2 aa
# 2 3 bb ...
