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Exposing a port on a live Docker container
I'<em>mem> trying to create a Docker container that acts like a full-on virtual <em>mem>achine. 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 co<em>mem><em>mem>and to open/<em>mem>ap addi...
Can I use git diff on untracked files?
...ble to ask git diff to include untracked files in its diff output, or is <em>mem>y best bet to use git add on the newly created files and the existing files I have edited, then use:
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How to create an array containing 1…N
I'<em>mem> looking for any alternatives to the below for creating a JavaScript array containing 1 through to N where N is only known at runti<em>mem>e.
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Can we have functions inside functions in C++?
I <em>mem>ean so<em>mem>ething like:
12 Answers
12
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Selecting last ele<em>mem>ent in JavaScript array [duplicate]
I'<em>mem> <em>mem>aking an application that updates a user's location and path in real ti<em>mem>e and displays this on a Google <em>Mem>ap. I have functionality that allows <em>mem>ultiple users to be tracked at the sa<em>mem>e ti<em>mem>e using an object, which is updated every second.
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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...nstead supports RAII: "Resource Acquisition Is Initialization" -- a poor na<em>mem>e† for a really useful concept.
The idea is that an object's destructor is responsible for freeing resources. When the object has auto<em>mem>atic storage duration, the object's destructor will be called when the block in whi...
Find the IP address of the client in an SSH session
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Check if there is an environ<em>mem>ent variable called:
$SSH_CLIENT
OR
$SSH_CONNECTION
(or any other environ<em>mem>ent variables) which gets set when the user logs in. Then process it using the user login script.
Extract the IP:
$ echo $SSH_CLIENT | awk '{...
error_log per Virtual Host?
On one Linux Server running Apache and PHP 5, we have <em>mem>ultiple Virtual Hosts with separate log files. We cannot see<em>mem> to separate the php error_log between virtual hosts.
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How can you encode a string to Base64 in JavaScript?
I have a PHP script that can encode a PNG i<em>mem>age to a Base64 string.
26 Answers
26
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How is a tag different fro<em>mem> a branch in Git? Which should I use, here?
I a<em>mem> having so<em>mem>e difficulty understanding how to use tags versus branches in git .
12 Answers
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