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What can be the reasons of connection refused errors?
...estination machine, but its backlog of pending connections is full.
A firewall between the client and server is blocking access (also check local firewalls).
After checking for firewalls and that the port is open, use telnet to connect to the ip/port to test connectivity. This removes any potentia...
How do I update Node.js?
...tiple version of node on windows
download nvm-setup.zip extract and install it.
execute command nvm list available from cmd or gitbash or powershell, this will list all available version of node
use command nvm install version e.g. nvm install 12.14.0 to install on the machine
last once instal...
Single quotes vs. double quotes in Python [closed]
According to the documentation, they're pretty much interchangeable. Is there a stylistic reason to use one over the other?
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How to make button look like a link?
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If you don't want all buttons to be styled as links, scope the style with something like button.link {...styles...} then <button class="link">Your button</button>. This also avoids using !important which is always a good idea.
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Do a “git export” (like “svn export”)?
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Probably the simplest way to achieve this is with git archive. If you really need just the expanded tree you can do something like this.
git archive master | tar -x -C /somewhere/else
Most of the time that I need to 'export' something from git, I want a compressed archive in any case so I do s...
Which encoding opens CSV files correctly with Excel on both Mac and Windows?
...xcel/Mac shows gibberish. I'm using Excel 2003/Win, Excel 2011/Mac.
Here's all the encodings I tried:
15 Answers
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TCP: can two different sockets share a port?
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A server socket listens on a single port. All established client connections on that server are associated with that same listening port on the server side of the connection. An established connection is uniquely identified by the combination of client-side and serv...
Deleting an object in java?
...r leaving the block where it was declared. After that, it will be automatically deleted by the garbage collector (not immediately, but eventually).
Example 1:
Object a = new Object();
a = null; // after this, if there is no reference to the object,
// it will be deleted by the garbage co...
C# Double - ToString() formatting with two decimal places but no rounding
How do I format a Double to a String in C# so as to have only two decimal places?
15 Answers
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Where can I find WcfTestClient.exe (part of Visual Studio)
The MSDN docs state that I can find the WCF Test Client in:
11 Answers
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