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How to compare 2 files fast using .NET?
...re the resulting numbers.
Here's what I came up with:
const int BYTES_TO_READ = sizeof(Int64);
static bool FilesAreEqual(FileInfo first, FileInfo second)
{
if (first.Length != second.Length)
return false;
if (string.Equals(first.FullName, second.FullName, ...
Difference between two dates in Python
... objects and take the days member.
from datetime import datetime
def days_between(d1, d2):
d1 = datetime.strptime(d1, "%Y-%m-%d")
d2 = datetime.strptime(d2, "%Y-%m-%d")
return abs((d2 - d1).days)
share
...
How to hide output of subprocess in Python 2.7
... use os.devnull if subprocess.DEVNULL is not available (<3.3), use check_call() instead of call() if you don't check its returned code, open files in binary mode for stdin/stdout/stderr, usage of os.system() should be discouraged, &> doesn't work for sh on Ubuntu an explicit >/dev/null ...
Alarm Manager Example
...
I tried the solution from XXX and while it did initially work, at some point it stopped working. The onReceive never got called again. I spent hours trying to figure out what it could be. What I came to realize is that the Intent for whatever mysterious reason was no longer be...
How can I display a list view in an Android Alert Dialog?
...this items? i'm looking for hours for a popup menu solution which works on all api levels
– wutzebaer
Jul 22 '13 at 21:31
7
...
Is there a JavaScript strcmp()?
... well as in the mozilla Javascript reference (developer.mozilla.org/en/Core_JavaScript_1.5_Reference/…)
– newacct
Jul 24 '09 at 19:37
...
Get the index of the object inside an array, matching a condition
...lorer, there's a polyfill on the linked page.
Performance note
Function calls are expensive, therefore with really big arrays a simple loop will perform much better than findIndex:
let test = [];
for (let i = 0; i < 1e6; i++)
test.push({prop: i});
let search = test.length - 1;...
How to use range-based for() loop with std::map?
...
Each element of the container is a map<K, V>::value_type, which is a typedef for std::pair<const K, V>. Consequently, in C++17 or higher, you can write
for (auto& [key, value]: myMap) {
std::cout << key << " has value " << value << std:...
Remove non-ascii character in string
and i need to remove all non-ascii character from string,
5 Answers
5
...
Creating a blurring overlay view
...ize.height);
reOrient = CGAffineTransformRotate(reOrient, M_PI);
break;
case UIImageOrientationLeft:
case UIImageOrientationLeftMirrored:
reOrient = CGAffineTransformTranslate(reOrient, theImage.size.width, 0);
r...