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A cron job for rails: best practices?
... to all your Rails objects just as in a normal controller.
Can develop and test just as you do normal actions.
Can also invoke your tasks adhoc from a simple web page.
Don't consume any more memory by firing up additional ruby/rails processes.
...
When do you use varargs in Java?
...pt.
Also when the parameters' type is going to vary then using "Object...test" will simplify the code a lot.
For example:
public int calculate(int...list) {
int sum = 0;
for (int item : list) {
sum += item;
}
return sum;
}
Here indirectly an array of int type (list) i...
C++ sorting and keeping track of indexes
...that of std::sort except for an index container to receive sorted indexes.
testing:
int a[] = { 3, 1, 0, 4 } ;
std::vector<size_t> indexes ;
argsort(a, a + sizeof(a) / sizeof(a[0]), std::less<int>(), indexes) ;
for (size_t i : indexes) printf("%d\n", int(i)) ;
you should get 2 1 0 3.
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Getter and Setter?
...
If you use @property, your IDE will suggest the code (tested with PhpStorm 7)
– Alex2php
Dec 13 '13 at 19:46
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What is difference between MVC, MVP & MVVM design pattern in terms of coding c#
...ecause data is being modified in presenter as desired by one view class.
2)Testing becomes difficult.
3)Breaking Clean architecture because data flow should be only outwards but here data is coming back from presenter to View.
MVC:
Advanatages:
Here we have Controller in between view and model.Here ...
Vagrant ssh authentication failure
...ssh/id_rsa and it will be added to Vagrantfile's ssh config automatically.
Test the setup: vagrant ssh should now work.
Should that be the case, congratulate yourself, logout, run vagrant provision if needed and carry on with the meaningful task at hand.
If you still face problems, it may come ha...
How do I get the row count of a pandas DataFrame?
...er, there are notable performance differences ( len(DataFrame.index) is fastest).
Code to reproduce the plot:
import numpy as np
import pandas as pd
import perfplot
perfplot.save(
"out.png",
setup=lambda n: pd.DataFrame(np.arange(n * 3).reshape(n, 3)),
n_range=[2**k for k in range(25...
Cannot install packages using node package manager in Ubuntu
...bin/node
I am assuming /usr/bin is in your execution path. Then you can test by typing node or npm into your command line, and everything should work now.
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git-upload-pack: command not found, when cloning remote Git repo
... keep two copies of my project in sync, one is my local box, the other the test server.
This is an issue which occurs when I log onto our remote development server using ssh;
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Use IntelliJ to generate class diagram
...s not available for Community Edition (see the P.S.: added in the post). I tested it in IntelliJ IDEA 15.0.2 Ultimate and it worked.
– ROMANIA_engineer
Jan 13 '16 at 23:39
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