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How to change Rails 3 server default port in develoment?
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First - do not edit anything in your gem path! It will influence all projects, and you will have a lot problems later...
In your project edit script/rails this way:
#!/usr/bin/env ruby
# This command will automatically be run when you run "rails" with Rails 3 gems installed from the root...
What's the difference between subprocess Popen and call (how can I use them)?
I want to call an external program from Python. I have used both Popen() and call() to do that.
2 Answers
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(![]+[])[+[]]… Explain why this works
... @rlemon, there's no int data type on the language, in fact all numbers are double-precision 64-bit format (IEEE 754 values), even though some operators work internally with Integer values (like the bitwise operators) the result is always a double. The 'i' comes in this example from u...
How to output loop.counter in python jinja template?
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The counter variable inside the loop is called loop.index in jinja2.
>>> from jinja2 import Template
>>> s = "{% for element in elements %}{{loop.index}} {% endfor %}"
>>> Template(s).render(elements=["a", "b", "c", "d"])
1 2 3 4
See h...
How to cast/convert pointer to reference in C++
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Call it like this:
foo(*ob);
Note that there is no casting going on here, as suggested in your question title. All we have done is de-referenced the pointer to the object which we then pass to the function.
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How does Amazon RDS backup/snapshot actually work?
...o MySQL on some machines that we manage ourselves. I can't comment specifically, as I'm not an Amazon engineer, but several things I've learned that might explain what you're seeing:
Although Amazon does not share the backend details 100%, we strongly suspect that they are using their EBS system t...
Usage of @see in JavaDoc?
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* Works like {@link #methodB}, but ...
*/
When the fact that methodA calls methodB is an implementation detail and there is no real relation from the outside, you don't need a link here.
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Django import error - no module named django.conf.urls.defaults
...ement here. Just was adding to the answer. So that someone else could find all help at one place.
– Akshay Hazari
Aug 3 '17 at 8:47
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How can I limit Parallel.ForEach?
I have a Parallel.ForEach() async loop with which I download some webpages. My bandwidth is limited so I can download only x pages per time but Parallel.ForEach executes whole list of desired webpages.
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Cannot get to $rootScope
..." config into the global window is fine. Or having one module that defines all this stuff and then you load it in your app - eg. angular.module('config', []).constant('appRoot', '/local/js/app'); (this code would be generated by your server (you could even generate it as a JS file, rather then inli...