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Exposing a port on a live Docker container
...on virtual machine. I know I can use the EXPOSE instruction inside a Dockerfile to expose a port, and I can use the -p flag with docker run to assign ports, but once a container is actually running, is there a command to open/map additional ports live?
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
...hip. OS's (especially UNIX) by design allow a child process to inherit all File-descriptors (FD) from parents. Thus all the sockets (in UNIX like OS are also part of FD) that a process A listening to, can be listened by many more processes A1, A2, .. as long as they are related by parent-child relat...
What is the difference between POST and GET? [duplicate]
...or all practical purposes), and lets you send just about any type of data (file upload forms, for example, can't use GET -- they have to use POST plus a special content type/encoding).
Aside from that, a POST connotes that the request will change something, and shouldn't be redone willy-nilly. Tha...
unable to copy/paste in mingw shell
...'
Check the box for 'Ctrl+Shift+letter shortcuts'
When you vi/vim into a file:
To copy: highlight the portion you want and click 'y'
To cut: highlight the portion you want and click 'd'
To paste: Ctrl+Shift+v
share
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Fluid or fixed grid system, in responsive design, based on Twitter Bootstrap
...t a reference to the answer , this is a link to the plugin , where the the files can be downloaded, I guess I cannot attach files with answer here..
– enthusiast
Nov 21 '15 at 14:31
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What is the difference between 'content' and 'text'
... as an HTML or XML document, and r.content would be preferred for "binary" filetypes, such as an image or PDF file.
– dotancohen
Feb 7 '18 at 12:19
5
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How do I check out a remote Git branch?
...If you get a response like error: pathspec 'branch_name' did not match any file(s) known to git. then you should do a git fetch first.
– Dennis
Oct 18 '13 at 0:40
6
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How to test code dependent on environment variables using JUnit?
...e. We can set Environment Variables or System Properties through Maven POM file which I think best way to do Unit Testing for Maven based project. Below is the entry I made in POM file.
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins<...
Django auto_now and auto_now_add
...quires fiddling directly with your db while Django aims for only models.py files to define the schema
– akaihola
Feb 16 '11 at 12:31
17
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Suppress properties with null value on ASP.NET Web API
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I ended up with this piece of code in the startup.cs file using ASP.NET5 1.0.0-beta7
services.AddMvc().AddJsonOptions(options =>
{
options.SerializerSettings.NullValueHandling = NullValueHandling.Ignore;
});
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