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How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
... using document.createEvent() and .dispatchEvent() works.
That said, demo time. Here is a working Fiddle.
HTML:
<select id="dropdown">
<option value="Red">Red</option>
<option value="Green">Green</option>
<option value="Blue">Blue</option>
...
RegEx for matching UK Postcodes
... this postcode versus any other postcode; probably never? This means every time the regex is used, it must exhaust this option first before proceeding to the next option. To see how performance is impacted check the number of steps the original regex took (35) against the same regex after having fli...
Search for string and get count in vi editor
I want to search for a string and find the number of occurrences in a file using the vi editor.
8 Answers
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How to properly reuse connection to Mongodb across NodeJs application and modules
... by actions from other parts of the program (or even themselves if you use timers). You can test it yourself quickly, but I threw a quick pen together to demo: codesandbox.io/s/awesome-water-cexno
– EddieDean
Apr 23 at 5:42
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iPad Safari scrolling causes HTML elements to disappear and reappear with a delay
... child elements).
Not a guaranteed fix, but fairly successful most of the time.
Hat tip: https://web.archive.org/web/20131005175118/http://cantina.co/2012/03/06/ios-5-native-scrolling-grins-and-gothcas/
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Environment variable substitution in sed
If I run these commands from a script:
10 Answers
10
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How to match any non white space character except a particular one?
In Perl \S matches any non-whitespace character.
4 Answers
4
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How should I store GUID in MySQL tables?
...eger. Since he put that challenge out there to me I thought now was a good time to mention it. That being said...
You can store a guid as a CHAR(16) binary if you want to make the most optimal use of storage space.
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Why are only a few video games written in Java? [closed]
...o since you'll likely reintroduce a ton of bugs which you'll need to spend time ironing out.
Finally, it's rare for games to be written in 100% C++ anyway - a lot is done using scripting languages, whether they're custom or just integrating an existing languages (Lua being one of the more popular o...
What is a magic number, and why is it bad? [closed]
...of hard earned experience, by many programmers. I cannot tell you how many times, over the past 40 years of programming, that I have cursed a previous programmer who didn't define a constant, so I only discovered the direct use of a number, which needed to be understood during code maintenance, buri...