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PHP: How to remove all non printable characters in a string?
...y encoding function available in PHP from regex to mb_ to htmlspecialchars etc. Nothing removed control characters, thanks for investing the work.
– John
Jan 6 '18 at 3:27
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Difference between “!==” and “==!” [closed]
... There can be numerous combinations for these characters like !====, !==! etc.. etc.. Operator combinations should be in unique format, unique order, unique combinations (all characters wont combine with all other characters) and definitely, without any space between them.
Check the operators list...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
...content type, conetent length, user-agent, server id, date, last-modified, etc. Once a WebSockets connection is established, only the data required by the application needs to be sent back and forth.
Typically, HTTP servers are configured to log the start and completion of every HTTP request taking ...
newline in [duplicate]
...me borders and background to make the popup look decent, but this should sketch the idea. It has some drawbacks though, for example the popup is not positioned relative to mouse but relative to the containing cell.
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What is opinionated software?
...ous options easier. e.g. Visual Studio .NET for .NET, Eclipse IDE for Java etc. Unopinionated software typically takes longer to master than opinionated software.
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How to quit a java app from within the program
..., as is usual for applications with a graphical user interface (AWT, Swing etc.). For these applications, you either find a way to end the GUI event loop (don't know if that is possible with the AWT or Swing), or invoke System.exit().
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adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...录到堡垒机了
最精简后运行的命令记录
1 vi /etc/hosts
2 vi /etc/sysconfig/network
3 vi /etc/sysconfig/network-scripts/ifcfg-eth0 t
4 reboot
5 cd /mnt/
6 ls
7 unzip adito-0.9.1-bin.zip
8 unzip apache-ant-1.9.6-bin.zip
9 tar ...
How can I use Python to get the system hostname?
...returns a fully qualified host name, even if you defined a short alias in /etc/hosts.
If you defined an alias in /etc/hosts then socket.gethostname() will return the alias. platform.uname()[1] does the same thing.
I ran into a case where the above didn't work. This is what I'm using now:
import s...
Explain the concept of a stack frame in a nutshell
...raries, actual parameters of the current instruction (procedure, function, etc.)
There are different calling conventions regarding the cleaning of the stack.
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When to use Vanilla JavaScript vs. jQuery?
...round that one: $(this).attr("checked", "checked"), $(this).is(":checked") etc.) and similarly the selected property of <option> elements.
– Tim Down
Jan 10 '11 at 23:01
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