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How to set my default shell on Mac?
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1. sudo nano /etc/shells
2. add /usr/local/bin/fish to your list of shells
3. chsh -s /usr/local/bin/fish
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How do you run your own code alongside Tkinter's event loop?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...配置IP地址，关闭防火墙，selinux 关闭NetworkManager，修改/etc/hosts,配置YUM (三台机器都需要操作)
2.2.1安装操作系统
省略
2.2.2配置IP地址
省略
由于我是虚拟机环境中测试，share2和share3均是直接克隆而来
克隆之后得到的机...
Converting pfx to pem using openssl
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In that case you could reorder the cat command to put it first. like: cat file.key file.nokey.pem > file.combo.pem Unless the file.key itself has multiple in wrong order. But either case, you could likely re-arrange stuff programmatically.
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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
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host.server4-245.com
Choose an FQDN and include it both in your /etc/hosts file on both the IPv4 and IPv6 addresses you are using (in your case, localhost or 127.0.0.1), and change your ServerName in your httpd configuration to match.
/etc/hosts:
127.0.0.1 localhost.localdomain localh...
What is Bit Masking?
...ing a mask to a value. This is accomplished by doing:
Bitwise ANDing in order to extract a subset of the bits in the value
Bitwise ORing in order to set a subset of the bits in the value
Bitwise XORing in order to toggle a subset of the bits in the value
Below is an example of extracting a subs...
.NET XML serialization gotchas? [closed]
...L through a web page (ASP.NET), you don't want to include the Unicode Byte-Order Mark. Of course, the ways to use or not use the BOM are almost the same:
BAD (includes BOM):
XmlTextWriter wr = new XmlTextWriter(stream, new System.Text.Encoding.UTF8);
GOOD:
XmlTextWriter wr = new XmlTextWriter(...
Re-ordering columns in pandas dataframe based on column name [duplicate]
... dataframe with over 200 columns. The issue is as they were generated the order is
11 Answers
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How to access the first property of a Javascript object?
... access also other properties by indexes. Be aware tho! Object.keys return order is not guaranteed as per ECMAScript however unofficially it is by all major browsers implementations, please read https://stackoverflow.com/a/23202095 for details on this.
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How to run a shell script at startup
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In the file you put in /etc/init.d/ you have to set it executable with:
chmod +x /etc/init.d/start_my_app
Thanks to @meetamit, if this does not run you have to create a symlink to /etc/rc.d/
ln -s /etc/init.d/start_my_app /etc/rc.d/
Please not...