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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
What is the proper way to get a list of all available serial ports/devices on a Linux system?
12 Answers
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PowerShell equivalent to grep -f
I'm looking for the PowerShell equivalent to grep --file=filename . If you don't know grep , filename is a text file where each line has a regular expression pattern you want to match.
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changing source on html5 video tag
...ementById('video');
var source = document.createElement('source');
source.setAttribute('src', 'http://www.tools4movies.com/trailers/1012/Kill%20Bill%20Vol.3.mp4');
video.appendChild(source);
video.play();
setTimeout(function() {
video.pause();
source.setAttribute('src', 'http://www.too...
onchange event on input type=range is not triggering in firefox while dragging
When I played with <input type="range"> , Firefox triggers an onchange event only if we drop the slider to a new position where Chrome and others triggers onchange events while the slider is dragged.
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How to export and import environment variables in windows?
...nvironment variables sync on different machines. I just want to export the settings from one computer and import to other ones.
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What is the logic behind the “using” keyword in C++?
...generalized to provide alternate spellings
of namespace-aliasing or naming set of overloaded functions (see ✁
2.3 for further discussion). [My note: That section discusses what that syntax can look like and reasons why it isn't part of the proposal.] It may be noted that the grammar production ali...
List of tables, db schema, dump etc using the Python sqlite3 API
For some reason I can't find a way to get the equivalents of sqlite's interactive shell commands:
11 Answers
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Return first N key:value pairs from dict
Consider the following dictionary, d:
18 Answers
18
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insert vs emplace vs operator[] in c++ map
...s.
b. See what happens when you use some other container class (e.g. std::set or std::unordered_multiset) instead of std::unordered_map.
c. Now use a Goo object (just a renamed copy of Foo) instead of an int as the range type in an unordered_map (i.e. use unordered_map<Foo, Goo> instead of u...
Converting a UNIX Timestamp to Formatted Date String
..., since Z indicate UTC. Tinus: Unix timestamps do not contain timezone offsets. date and gmdate's output will differ based on the TZ variable (on *nix at least)
– Gert van den Berg
May 3 '16 at 14:05
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