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What is data oriented design?
...ntities in your mental model of the problem. Since data is lumped together based on data usage, you won't always have sensible names to give your classes in Data Oriented Design.
Relation to relational databases
The thinking behind Data Oriented Design is very similar to how you think about relati...
C++ template constructor
...eates a derived class object and assigns it to a member variable that is a base class pointer. (The constructor needs to know which derived class to use, but the class itself doesn't need to be templated since the same base class pointer type is always used.)
...
Java associative-array
...ped, however has less elegant syntax/API.
This is the closest you can get based on your example:
Map<Integer, Map<String, String>> arr =
org.apache.commons.collections.map.LazyMap.decorate(
new HashMap(), new InstantiateFactory(HashMap.class));
//$arr[0]['name'] = 'demo'...
Performance of FOR vs FOREACH in PHP
...ation. Remember, Premature Optimization Is The Root Of All Evil...
Edit: Based upon the comment, I decided to do a quick benchmark run...
$a = array();
for ($i = 0; $i < 10000; $i++) {
$a[] = $i;
}
$start = microtime(true);
foreach ($a as $k => $v) {
$a[$k] = $v + 1;
}
echo "Comple...
Replacing .NET WebBrowser control with a better browser, like Chrome?
...for WPF and Winforms and has tons of features and extension points. Being based on Chromium it's blisteringly fast too.
Grab it from NuGet: Install-Package CefSharp.Wpf or Install-Package CefSharp.WinForms
Check out examples and give your thoughts/feedback/pull-requests: https://github.com/cefsha...
Command line CSV viewer? [closed]
...
For those not on Debian-base distros, this tool seems to originate from here: docs.camlcity.org/docs/godisrc/ocaml-csv-1.1.6.tar.gz Unfortunately the "homepage" link is dead, and I don't see an easy way to download the whole archive in a go.
...
Removing colors from output
... Changing the first ? out for * should help. Handling sgr0 is possible but based on a search it likely grows outside the scope of this hacky regex-based answer.
– Jeff Bowman
Feb 23 '16 at 18:37
...
maximum value of int
... trivially extended for unsigned types:
// We can use it to define limits based on actual compiler built-in types also:
#define INT_MAX SIGNED_MAX(int)
// based on the above, we can extend it for unsigned types also:
#define UNSIGNED_MAX(x) ( (SIGNED_MAX(x)<<1) | 1 ) // We reuse SIGNED_MA...
What is the Haskell response to Node.js?
...uages, 2- using OS threads is expansive. Node.js solution is to use event-based concurrency (w/ libev) to avoid communication between threads and to avoid scalability problems of OS threads. Haskell does not have problem #1 because of purity. For #2, Haskell has lightweight threads + event manager...
How to print an exception in Python?
... are going to print the exception, it is better to use print(repr(e)); the base Exception.__str__ implementation only returns the exception message, not the type. Or, use the traceback module, which has methods for printing the current exception, formatted, or the full traceback.
...