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Confused by python file mode “w+”
... you'd do something like this to read from your file:
with open('somefile.txt', 'w+') as f:
# Note that f has now been truncated to 0 bytes, so you'll only
# be able to read data that you write after this point
f.write('somedata\n')
f.seek(0) # Important: return to the top of the f...
提升大数据分析思想，拥抱大数据未来 - 资讯 - 清泛网 - 专注C/C++及内核技术
...中获得突破呢？首先，如前文所述，充分理解大数据应用完整的操作周期，做到不忽视任何一个步骤的重要性，然后从传统的以应用为中心的传统思想中解放出来，建立灵活的、可持续利用的数据分析框架。“数据驱动的发现从...
Replace string within file contents
How can I open a file, Stud.txt, and then replace any occurences of "A" with "Orange"?
8 Answers
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Creating an empty file in Ruby: “touch” equivalent?
...and mirrors* the touch command:
require 'fileutils'
FileUtils.touch('file.txt')
* Unlike touch(1) you can't update mtime or atime alone. It's also missing a few other nice options.
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What's the best practice for putting multiple projects in a git repository? [closed]
...it checkout thesis
echo "the meaning of meaning" > philosophy_doctorate.txt
git add philosophy_doctorate.txt
git commit -m "Ph.D"
Switch back and forth
Go back and forwards between projects whenever you like.
This example goes back to the chess software project.
git checkout software
echo "w...
How to Save Console.WriteLine Output to Text File
...t = Console.Out;
try
{
ostrm = new FileStream ("./Redirect.txt", FileMode.OpenOrCreate, FileAccess.Write);
writer = new StreamWriter (ostrm);
}
catch (Exception e)
{
Console.WriteLine ("Cannot open Redirect.txt for writing");
Console.WriteLine (e.M...
Jade: Links inside a paragraph
...js)
var f, jade;
jade = require('jade');
jade.filters.inline = function(txt) {
// simple regex to match links, might be better as parser, but seems overkill
txt = txt.replace(/\[(.+?)\]\((.+?)\)/, "<a href='$2'>$1</a>");
return jade.compile(txt)();
};
jadestring = ""+ // p.s. I...
SVN Commit specific files
...of files to commit from a file:
$ svn ci -m "Now works" --targets fix4711.txt
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javac option to compile all java files under a given directory recursively
...our project, it's easy:
# Linux / MacOS
$ find -name "*.java" > sources.txt
$ javac @sources.txt
:: Windows
> dir /s /B *.java > sources.txt
> javac @sources.txt
The advantage is that is is a quick and easy solution.
The drawback is that you have to regenerate the sources.txt file eac...
Git diff output to file preserve coloring
...
Try:
git diff --color > foo.txt
Then later issue:
cat foo.txt
Or:
less -R foo.txt
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