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Will strlen be calculated multiple times if used in a loop condition?

...i < n; ++i) or possibly for (int i = 0; ss[i]; ++i) as long as the string isn't going to change length during the iteration. If it might, then you'll need to either call strlen() each time, or handle it through more complicated logic. ...
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How to convert string to boolean php

How can I convert string to boolean ? 20 Answers 20 ...
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Receive JSON POST with PHP

... but it isn't in the json. EDIT Maybe also worth trying to echo the json string from php://input. echo file_get_contents('php://input'); share | improve this answer | fol...
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Get keys from HashMap in Java

... with key "foo" and 2 with key "bar". To iterate over all the keys: for ( String key : team1.keySet() ) { System.out.println( key ); } will print "foo" and "bar". share | improve this answer ...
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How to get result of console.trace() as string in javascript with chrome or firefox?

...ole.trace() outputs its result on console. I want to get the results as string and save them to a file. I don't define names for functions and I also can not get their names with callee.caller.name . ...
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Should we @Override an interface's method implementation?

...prohibited the annotation, with 1.6 it doesn't. The annotation provides an extra compile-time check, so if you're using 1.6 I'd go for it. share | improve this answer | follo...
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Can lambda functions be templated?

...n a templated class or function. #include <iostream> #include <string> using namespace std; template<typename T> void boring_template_fn(T t){ auto identity = [](decltype(t) t){ return t;}; std::cout << identity(t) << std::endl; } int main(int argc, char *...
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How to render a DateTime object in a Twig template

...te totally different, like extending the \DateTime class, and adding a __toString() method to it that checks the locale and acts accordingly. Edit: As pointed out by @Nic in a comment, if you use the Intl extension of Twig, you will have a localizeddate filter available, which shows the date in th...
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How can I search (case-insensitive) in a column using LIKE wildcard?

...o fix your COLLATE or do a simple trick like this one(LOWER() both of your strings before comparison) – Menelaos Kotsollaris Sep 18 '15 at 15:06 ...
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How to return multiple lines JSX in another return statement in React?

...act/blog/2017/09/26/react-v16.0.html#new-render-return-types-fragments-and-strings EDIT: React 16.2 lets you surround a list of elements with <Fragment>…</Fragment> or even <>…</>, if you prefer that to an array: https://blog.jmes.tech/react-fragment-and-semantic-html/ ...