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Literal suffix for byte in .NET?
...e var, you can always cast the byte as in var y = (byte) 5
Although not really related, in C#7, a new binary prefix was introduced 0b, which states the number is in binary format. Still there is no suffix to make it a byte though, example:
var b = 0b1010_1011_1100_1101_1110_1111; //int
...
What is the difference between Python's list methods append and extend?
...
Actually there's a big difference - x + [4, 5] gives you a new list assigned to x - x.extend() mutates the original list. I elaborate in my answer here below.
– Aaron Hall♦
Jul 17 '17 at 1...
How to get all subsets of a set? (powerset)
...owerset([4, 5, 6])))
Using yield means that you do not need to calculate all results in a single piece of memory. Precalculating the masks outside the main loop is assumed to be a worthwhile optimization.
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iOS: how to perform a HTTP POST request?
...ction *)connection didFailWithError:(NSError *)error {
[[[[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error", @"")
message:[error localizedDescription]
delegate:nil
cancelButtonTitle:NSLocalizedStri...
What characters are valid for JavaScript variable names?
...ou an idea of how wrong Anthony Mills' answer is: if you were to summarize all these rules in a single ASCII-only regular expression for JavaScript, it would be 11,236 characters long. Here it is:
// ES5.1 / Unicode 6.1
/^(?!(?:do|if|in|for|let|new|try|var|case|else|enum|eval|false|null|this|true|v...
How does this checkbox recaptcha work and how can I use it?
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Excerpt from the email: We expect to move all existing reCAPTCHA sites to the new API in 2015.
– Timothy Zorn
Sep 11 '14 at 3:29
1
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jQuery: serialize() form and other parameters
...onment, then none of these answers should be used. The form should contain all information (in hidden fields if necessary) so that it can be serialised in a single call. This way if JS is disabled or fails, the form submission should still have a failsafe and include all data when sent.
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Determine whether an array contains a value [duplicate]
... }
return index;
};
}
return indexOf.call(this, needle) > -1;
};
You can use it like this:
var myArray = [0,1,2],
needle = 1,
index = contains.call(myArray, needle); // true
CodePen validation/usage
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What is the maximum value for an int32?
...bout 1 billion. One of the 32 bits is used for sign, so the max value is really only 2^31, which is about twice the amount you get for 2^(3*10): 2 billion.
– 16807
Dec 3 '13 at 22:24
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Android AsyncTask testing with Android Test Framework
...some service which worked with Executors, and I needed to have my service callbacks sync-ed with the test methods from my ApplicationTestCase classes. Usually the test method itself finished before the callback would be accessed, so the data sent via the callbacks would not be tested. Tried applying...