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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...
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...
2016电商“死亡”名单（上半年） - 资讯 - 清泛网 - 专注IT技能提升
...家专注于95后的青少年个性化电商平台，根据兴趣标签和推荐算法为年轻用户提供高品质高逼格商品。选品主打95后喜欢的零食、饰品、书包文具、二次元周边等商品。
反思：神奇百货CEO王凯歆在《神奇百货成立的一年里，我...
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
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杭州科技业为中国经济点亮未来 - 资讯 - 清泛网 - 专注C/C++及内核技术
...前员工数量近13000名。目前围绕阿里巴巴已经出现了一套完整的生态系统。这里曾经是浙江中小型企业的基地重点业务是出口，但是现在风险投资成为当地的新兴产业。
杭州并不是唯一一个转型势头良好的城市。深圳的服务业...
携程瘫痪事件确认系员工误操作所致 - 资讯 - 清泛网 - 专注C/C++及内核技术
...数据和数据库并未受到此次事件的影响，用户订单数据也完整无损，请用户放心并继续使用携程网站及App。
3、如何杜绝此类事件的再次发生？
携程在系统上做了改进，规范并杜绝技术人员错误删除生产服务器上代码的操作。
...