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What is the difference between a symbolic link and a hard link?
...isualize it:
Here is how we get to that picture:
Create a name myfile.txt in the file system that points to a new inode (which contains the metadata for the file and points to the blocks of data that contain its contents, i.e. the text "Hello, World!":
$ echo 'Hello, World!' > myfile.txt
C...
Merging: Hg/Git vs. SVN
... svn-checkout
mkdir trunk branches
echo 'Goodbye, World!' > trunk/hello.txt
svn add trunk branches
svn commit -m 'Initial import.'
svn copy '^/trunk' '^/branches/rename' -m 'Create branch.'
svn switch '^/trunk' .
echo 'Hello, World!' > hello.txt
svn commit -m 'Update on trunk.'
svn switch '^/b...
python requests file upload
...oad_file is meant to be the file, use:
files = {'upload_file': open('file.txt','rb')}
values = {'DB': 'photcat', 'OUT': 'csv', 'SHORT': 'short'}
r = requests.post(url, files=files, data=values)
and requests will send a multi-part form POST body with the upload_file field set to the contents of t...
What does ^M character mean in Vim?
...
Let's say your text file is - file.txt, then run this command -
dos2unix file.txt
It converts the text file from dos to unix format.
share
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improve this ...
Running multiple commands with xargs
...
cat a.txt | xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
...or, without a Useless Use Of cat:
<a.txt xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
To ex...
How do I get the result of a command in a variable in windows?
... this:
@ECHO OFF
IF NOT "%1"=="" GOTO ADDV
SET VAR=
FOR /F %%I IN ('DIR *.TXT /B /O:D') DO CALL %0 %%I
SET VAR
GOTO END
:ADDV
SET VAR=%VAR%!%1
:END
All output lines are stored in VAR separated with "!".
@John: is there any practical use for this? I think you should watch PowerShell or any othe...
为什么大数据也不能帮你摆脱单身狗的命运？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...配，跟亚马逊，Netflix去预测产品差不多，不同的话Netflix推荐电影给你，电影却不需要反向去关注你。下面就介绍一个有趣的匹配算法。
稳定婚姻匹配算法
1962年，美国数学家David Gale和Lloyd Shapley发明了一种寻找稳定婚姻...
How to check if a file exists in a folder?
...ty:
DirectoryInfo di = new DirectoryInfo(ProcessingDirectory);
FileInfo[] TXTFiles = di.GetFiles("*.xml");
if (TXTFiles.Length == 0)
{
log.Info("no files present")
}
foreach (var fi in TXTFiles)
log.Info(fi.Exists);
or File.Exists Method:
string curFile = @"c:\temp\test.txt";
Console.Wri...
How do I use the lines of a file as arguments of a command?
Say, I have a file foo.txt specifying N arguments
10 Answers
10
...
How to create a file in Android?
... */
FileOutputStream fOut = openFileOutput("samplefile.txt",
MODE_PRIVATE);
OutputStreamWriter osw = new OutputStreamWriter(fOut);
// Write the string to the file
osw.write(TESTSTRING);
/* ...