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When do you use the “this” keyword? [closed]
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MySQL pagination without double-querying?
...so want to think of just not retrieving the total results. It's becoming a more common practice to implement auto-paging methods. Sites like Facebook, Twitter, Bing, and Google have been using this method for ages.
– Thomas B
Nov 30 '12 at 6:24
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Does it make sense to use “as” instead of a cast even if there is no null check? [closed]
...ould use a normal cast when you are sure of the type. Besides generating a more sensible exception, it also fails fast. If you're wrong about your assumption about the type, your program will fail immediately and you'll be able to see the cause of failure immediately rather than waiting for a NullRe...
How do I tokenize a string in C++?
... std::string::npos, and extract the contents using std::string::substr.
A more fluid (and idiomatic, but basic) version for splitting on whitespace would use a std::istringstream:
auto iss = std::istringstream{"The quick brown fox"};
auto str = std::string{};
while (iss >> str) {
proces...
Add UIPickerView & a Button in Action sheet - How?
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A much more elegant solution IMHO is to set your textfield's input view to UIPickerView and its accessory to UIToolbar. You can check out the QuickDialog project for an example.
– Steve Moser
J...
Simple (non-secure) hash function for JavaScript? [duplicate]
... string, e.g. "some string".hashCode(), and receive a numerical hash code (more specifically, a Java equivalent) such as 1395333309.
String.prototype.hashCode = function() {
var hash = 0;
if (this.length == 0) {
return hash;
}
for (var i = 0; i < this.length; i++) {
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Get list of all routes defined in the Flask app
...url, endpoint tuples
See Display links to new webpages created for a bit more information.
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What is more efficient? Using pow to square or just multiply it with itself?
What of these two methods is in C more efficient? And how about:
7 Answers
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How do I return the response from an asynchronous call?
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→ For a more general explanation of async behaviour with different examples, please see Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
→ If you already understand the problem, ski...
What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
... data using only a limited, common-subset of the available characters, far more efficiently than just writing a string of 1s and 0s as ASCII for example.
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