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Initialization of an ArrayList in one line
I wanted to create a list of options for testing purposes. At first, I did this:
31 Answers
...
How to RSYNC a single file?
...had written code that generated commands in this form so, given sufficient tests covering the relevant code, these commands are 'safe'.
– Kenny Evitt
Feb 29 '16 at 14:51
add a...
Why is “except: pass” a bad programming practice?
...explicitly (if we can recover from them) or—in case of a bug—to create test cases to make sure it won’t happen again. But of course, that only works if we only ever caught those exceptions we were already expecting, so the ones we didn’t expect will naturally bubble up.
Try to avoid passing...
What is the >>>= operator in C?
...hat is this >>>= operator and the strange 1P1 literal? I have tested in Clang and GCC. There are no warnings and the output is "???"
...
Sort points in clockwise order?
...e approximate minimum to the Traveling Salesman Problem (TSP), ie. the shortest route linking all your points. If your points form a convex shape, it should be the right solution, otherwise, it should still look good (a "solid" shape can be defined as one that has a low perimeter/area ratio, which i...
Linq order by boolean
...le which does work:
using System;
using System.Linq;
public static class Test
{
public static void Main()
{
var data = new[]
{
new { x = false, y = "hello" },
new { x = true, y = "abc" },
new { x = false, y = "def" },
new { x ...
Weighted random numbers
...;& r <= *(std::end(interval)-2));
// Save r for statistical test of distribution
avg[r - 1]++;
}
// Compute averages for distribution
for (double* i = std::begin(avg); i < std::end(avg); ++i)
*i /= N;
// Display distribution
for (unsigned i = 1; ...
commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated
...).
The rendered attribute of the component and all of its parents and the test attribute of any parent <c:if>/<c:when> should not evaluate to false during the apply request values phase of the form submit request. JSF will recheck it as part of safeguard against tampered/hacked requests...
Heap vs Binary Search Tree (BST)
...rt times, and this is what I got:
benchmark code
plot script
plot data
tested on Ubuntu 19.04, GCC 8.3.0 in a Lenovo ThinkPad P51 laptop with CPU: Intel Core i7-7820HQ CPU (4 cores / 8 threads, 2.90 GHz base, 8 MB cache), RAM: 2x Samsung M471A2K43BB1-CRC (2x 16GiB, 2400 Mbps), SSD: Samsung MZVLB...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
... taken effect, run perl -V.
$ perl -V
...
%ENV:
PERL5LIB="/home/myuser/test"
@INC:
/home/myuser/test
/usr/lib/perl5/site_perl/5.18.0/x86_64-linux-thread-multi-ld
/usr/lib/perl5/site_perl/5.18.0
/usr/lib/perl5/5.18.0/x86_64-linux-thread-multi-ld
/usr/lib/perl5/5.18.0
.
-I command-line opt...