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Replace a string in shell script using a variable
...e, you need to use double-quotes like
sed -i "s#12345678#$replace#g" file.txt
This will break if $replace contain special sed characters (#, \). But you can preprocess $replace to quote them:
replace_quoted=$(printf '%s' "$replace" | sed 's/[#\]/\\\0/g')
sed -i "s#12345678#$replace_quoted#g" fil...
Launching an application (.EXE) from C#?
...Check out this article on how to use it.
Process.Start("notepad", "readme.txt");
string winpath = Environment.GetEnvironmentVariable("windir");
string path = System.IO.Path.GetDirectoryName(
System.Windows.Forms.Application.ExecutablePath);
Process.Start(winpath + @"\Microsoft.NET\F...
淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...“银河”而言，尽管所有的代码都掌握在我们手中，但要完整地将数据接收、实时计算、存储和查询等功能集成在一个分布式系统中，避免不了分层，最终仍然落到了目前的架构上。
为此，我们针对前端产品设计了专门的存储...
proguard hell - can't find referenced class
...
The default proguard-android.txt already has this line.
– Cristina De Rito
Jul 7 '17 at 12:52
1
...
how to read all files inside particular folder
...;
StringBuilder sb = new StringBuilder();
foreach (string txtName in Directory.GetFiles(@"D:\Links","*.txt"))
{
using (StreamReader sr = new StreamReader(txtName))
{
sb.AppendLine(txtName.ToString());
sb.AppendLine("= = = = = =");
...
Using awk to remove the Byte-order mark
...M from all text files in current directory:
sed -i '1 s/^\xef\xbb\xbf//' *.txt
On FreeBSD:
sed -i .bak '1 s/^\xef\xbb\xbf//' *.txt
Advantage of using GNU or FreeBSD sed: the -i parameter means "in place", and will update files without the need for redirections or weird tricks.
On Mac:
This aw...
How can I exclude all “permission denied” messages from “find”?
...ncluding a -name filter, as follows:
find . ! -readable -prune -o -name '*.txt'
This, however, does not work as intended, because the trailing -print action is required (an explanation can be found in this answer). Such subtleties can introduce bugs.
The first solution in Jonathan Leffler's answer...
一个自媒体的运营手记：我做公众号已经两年多了 - 资讯 - 清泛网 - 专注C/C...
...发关注链接呢，又不能群发，大家都知道，微信公众号的推荐功能只能发给单个好友，一个一个发太累了，对于我来说，必定会耗费更的时间。最后，想到了图片，就是发个图片二维码给好友，因为图片可以群发，但是如果只发...
How do I remove/delete a virtualenv?
...c Turner commentary
source venv/bin/activate
pip freeze > requirements.txt
pip uninstall -r requirements.txt -y
deactivate
rm -r venv/
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What is “String args[]”? parameter in main method Java
...tion. For example, if I invoke the program like so:
$ java MyProg -f file.txt
Then args will be an array containing the strings "-f" and "file.txt".
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