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Equation for testing if a point is inside a circle
...times by time ./a.out
I implemented this method, a normal method and a dummy method to determine timing overhead.
Normal: 21.3s
This: 19.1s
Overhead: 16.5s
So, it seems this method is more efficient in this implementation.
// compile gcc -O3 <filename>.c
// run: time ./a.out
#include <...
Swift native base class or NSObject
...ectly spots the error in testIncorrect_CompilerShouldSpot,
reporting "... 'MyClass' is not convertible to 'MirrorDisposition'"
class MyClass {
let mString = "Test"
func getAsString() -> String {
return mString
}
func testIncorrect_CompilerShouldSpot() {
var myString = "Compare ...
How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...
I was just wrestling with a similar problem myself, but didn't want the overhead of a function. I came up with the following query:
SELECT myfield::integer FROM mytable WHERE myfield ~ E'^\\d+$';
Postgres shortcuts its conditionals, so you shouldn't get any non-inte...
git rebase fatal: Needed a single revision
I have a branch of a public repository and I am trying to update my branch with the current commits from the original repository:
...
Is there a “goto” statement in bash?
...
"My quest to make bash look like assembly language draws ever nearer to completion." - Wow. Just, wow.
– Brian Agnew
Mar 8 '16 at 16:00
...
Simplest way to profile a PHP script
...n. But maybe that's because for some reason APD didn't compile properly on my system. Also kcachegrind's charts were as pretty as promised.
– wxs
Dec 5 '08 at 16:23
1
...
Create a shortcut on Desktop
... // setup shortcut information
link.SetDescription("My Description");
link.SetPath(@"c:\MyPath\MyProgram.exe");
// save it
IPersistFile file = (IPersistFile)link;
string desktopPath = Environment.GetFolderPath(Environment.Specia...
Which UUID version to use?
...'s use them in different contexts. I mean, if I generate the same UUID for my own internal app as you do for your internal app, then it doesn't matter. Collisions only matter if they happen in the same context. (remember, even within an app, many UUID's don't have to be unique across the entire app,...
How can I reference a commit in an issue comment on GitHub?
... a git commit (using the #xxx notation).
I'd like to reference a commit in my comment, generating a link to the commit details page?
...
How to parse a CSV file using PHP [duplicate]
...
Just discovered a handy way to get an index while parsing. My mind was blown.
$handle = fopen("test.csv", "r");
for ($i = 0; $row = fgetcsv($handle ); ++$i) {
// Do something will $row array
}
fclose($handle);
Source: link
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