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How to check if the URL contains a given string?
...has a toString() method. So you can do it like this:
(''+window.location).includes("franky")
or
window.location.toString().includes("franky")
From the old Mozilla docs:
Location objects have a toString
method returning the current URL. You
can also assign a string to
window.location...
How would you implement an LRU cache in Java?
...when someone might need Guava or ehcache or something else I don't want to include them, but if I make caching plug-able, I will not exclude them either.
Reduction of dependencies has its own reward. I love to get some feedback on how to make this even simpler or faster or both.
Also if anyone kn...
Interactive search/replace regex in Vim?
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C++ Convert string (or char*) to wstring (or wchar_t*)
...d with the standard library (C++11 and newer) alone.
The TL;DR version:
#include <locale>
#include <codecvt>
#include <string>
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
std::string narrow = converter.to_bytes(wide_utf16_source_string);
std::ws...
TCP vs UDP on video stream
...ways better to re-transmit data only to clients having packet loss then to include overhead of forward-error-correction in stream sent to all clients.
In any case lost packets are unacceptable. Dropped frames are ok in exceptional cases when bandwidth is hindered.
The result of missing packets ar...
Serializing an object to JSON
...Download https://github.com/douglascrockford/JSON-js/blob/master/json2.js, include it and do
var json_data = JSON.stringify(obj);
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Auto-reload browser when I save changes to html file, in Chrome?
...cript" src="http://livejs.com/live.js"></script>
How?
Just include Live.js and it will monitor the current page including local CSS and Javascript by sending consecutive HEAD requests to the server. Changes to CSS will be applied dynamically and HTML or Javascript changes will reload...
Mercurial - all files that changed in a changeset?
... to see files that have been modified/added/removed in the last 5 commits (including the ones that I didn't push yet to the repo).
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C++ “virtual” keyword for functions in derived classes. Is it necessary?
...f only to keep the compiler quiet.
From a purely stylistic point-of-view, including the virtual keyword clearly 'advertises' the fact to the user that the function is virtual. This will be important to anyone further sub-classing B without having to check A's definition. For deep class hierarchi...