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Why can't I use Docker CMD multiple times to run multiple services?
... really is runtime information. Just like EXPOSE, but contrary to e.g. RUN and ADD. By this, I mean that you can override it later, in an extending Dockerfile, or simple in your run command, which is what you are experiencing. At all times, there can be only one CMD.
If you want to run multiple ser...
Ruby on Rails - Import Data from a CSV file
...ase table. I do not want to save the CSV file, just take the data from it and put it into the existing table. I am using Ruby 1.9.2 and Rails 3.
...
How to get current memory usage in android?
I have used /proc/meminfo and parsed command response.however it result shows that :
11 Answers
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Understanding __get__ and __set__ and Python descriptors
I am trying to understand what Python's descriptors are and what they are useful for. I understand how they work, but here are my doubts. Consider the following code:
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Difference between size_t and unsigned int?
I am so confused about size_t . I have searched on the internet and everywhere mentioned that size_t is an unsigned type so, it can represent only non-negative values.
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How to re import an updated package while in Python Interpreter? [duplicate]
I often test my module in the Python Interpreter, and when I see an error, I quickly update the .py file. But how do I make it reflect on the Interpreter ? So, far I have been exiting and reentering the Interpreter because re importing the file again is not working for me.
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Why is NaN not equal to NaN? [duplicate]
The relevant IEEE standard defines a numeric constant NaN (not a number) and prescribes that NaN should compare as not equal to itself. Why is that?
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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...was wondering if there exists a way to run an untrusted C program under a sandbox in Linux. Something that would prevent the program from opening files, or network connections, or forking, exec, etc?
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How can I automatically deploy my app after a git push ( GitHub and node.js)?
...tory add click "Admin"
click tab 'Service Hooks' => 'WebHook URLs'
and add
http://your-domain-name/git_test.php
then create git_test.php
<?php
try
{
$payload = json_decode($_REQUEST['payload']);
}
catch(Exception $e)
{
exit(0);
}
//log the request
file_put_contents('logs/github...
Functional programming - is immutability expensive? [closed]
...arify some points.
The “in-place” quicksort isn’t really in-place (and quicksort is not by definition in-place). It requires additional storage in the form of stack space for the recursive step, which is in the order of O(log n) in the best case, but O(n) in the worst case.
Implementing a fu...