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Logical operator in a handlebars.js {{#if}} conditional
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What is a NullPointerException, and how do I fix it?
...ode is to use @Nullable and @NotNull annotations. The following answer has more information on this. Although this answer is specificially about the IntelliJ IDE, it is also applicable to other tools as is apparanet from teh comments. (BTW I am not allowed to edit this answer directly, perhaps the a...
Get a random item from a JavaScript array [duplicate]
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How do I write a correct micro-benchmark in Java?
... is available.
Rule 8: Use a library for your benchmark as it is probably more efficient and was already debugged for this sole purpose. Such as JMH, Caliper or Bill and Paul's Excellent UCSD Benchmarks for Java.
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Check if a user has scrolled to the bottom
...d when the user is at the bottom of the page and run an ajax query to load more posts.
26 Answers
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How do I convert a double into a string in C++?
...le wrapper? And thanks for providing the link, I actually did think it was more or less a simple wrapper :)
– Johannes Schaub - litb
Nov 5 '11 at 1:31
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How to determine the memory footprint (size) of a variable?
...ontrol and the logs can be written both on mongo or in the filesystem.
For more details see here.
Blackfire
Blackfire is a PHP profiler by SensioLabs, the Symfony2 guys https://blackfire.io/
If you use puphpet to set up your virtual machine you'll be happy to know it's supported ;-)
Xdebug and traci...
Elasticsearch query to return all records
...=*:*
size defaults to 10, so you may also need &size=BIGNUMBER to get more than 10 items. (where BIGNUMBER equals a number you believe is bigger than your dataset)
BUT, elasticsearch documentation suggests for large result sets, using the scan search type.
EG:
curl -XGET 'localhost:9200/foo/...
Is C++ context-free or context-sensitive?
...duce an Type-0 grammar ("unrestricted") in the Chomsky hierarchy, which is more powerful than a context-sensitive grammar; unrestricted grammars are Turing-complete. A context-sensitive (Type-1) grammar allows multiple symbols of context on the left hand side of a production, but the same context mu...