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Where is the C auto keyword used?
...putchar;
auto a;
if (a = n / b) /* assignment, not test for equality */
printn(a, b); /* recursive */
putchar(n % b + '0');
}
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Use curly braces to initialize a Set in Python
...ing python, and I have a novice question about initializing sets. Through testing, I've discovered that a set can be initialized like so:
...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...S X 10.8.5 aka Mountain Lion.
I am using GDB version 7.7.1.
I compiled my test program with following command:
g++ -o gdb-sample.out -g gdb-sample.cpp
If I entered the command gdb sample.out, I get the same cryptic error message:
"Unable to find Mach task port for process-id 46234: (os/kern...
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.
...
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...