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What are the use-cases for Web Workers? [closed]
... wouldn’t want to block your code editing whilst you’re using the app.
From Mozilla: One way workers are useful is to allow your code to perform processor-intensive calculations without blocking the user interface thread.
As a practical example, think of an app which has a large table of #s (t...
How do I seed a random class to avoid getting duplicate random values [duplicate]
...andom numbers. Of course, in this case, the generated sequence will be far from uniform distribution.
For the sake of completeness, if you really need to reseed a Random, you'll create a new instance of Random with the new seed:
rnd = new Random(newSeed);
...
When is TCP option SO_LINGER (0) required?
...w, the option is used. The customer complains about RST as response to FIN from its side on connection close from its side.
...
Basic HTTP authentication with Node and Express 4
...', password: 'yourpassword'} // change this
// parse login and password from headers
const b64auth = (req.headers.authorization || '').split(' ')[1] || ''
const [login, password] = Buffer.from(b64auth, 'base64').toString().split(':')
// Verify login and password are set and correct
if (l...
javax vs java package
...y as a library to work with earlier versions (which would be useful). Note from many years later: it actually ended up being in java after all.
I believe there are restrictions on the java package - I think classloaders are set up to only allow classes within java.* to be loaded from rt.jar or some...
How do I enable/disable log levels in Android?
...est=INFO and then tried to change it running setprop log.tag.test SUPPRESS from the adb shell and it doesn't change anything. Also using System.getProperty and System.setProperty does nothing. Wanted to get an update from you. Thanks.
– jjNford
Feb 14 '12 at...
Get all elements but the first from an array
Is there a one-line easy linq expression to just get everything from a simple array except the first element?
2 Answers
...
how to convert array values from string to int?
... $long_string = implode(',', $integers);
Method 1
This is the one liner from Mark's answer:
$integerIDs = array_map('intval', explode(',', $long_string));
Method 2
This is the JSON approach:
$integerIDs = json_decode('[' . $long_string . ']', true);
Method 3
I came up with this one as ...
How to parse/format dates with LocalDateTime? (Java 8)
...
Parsing date and time
To create a LocalDateTime object from a string you can use the static LocalDateTime.parse() method. It takes a string and a DateTimeFormatter as parameter. The DateTimeFormatter is used to specify the date/time pattern.
String str = "1986-04-08 12:30";
Date...
Peak-finding algorithm for Python/SciPy
...graphic) prominence? It is "the minimum height necessary to descend to get from the summit to any higher terrain", as it can be seen here:
The idea is:
The higher the prominence, the more "important" the peak is.
Test:
I used a (noisy) frequency-varying sinusoid on purpose because it sho...