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List files with certain extensions with ls and grep
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meder omuralievmeder omuraliev
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How to show the text on a ImageButton?
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278
As you can't use android:text I recommend you to use a normal button and use one of the compou...
Where does mongodb stand in the CAP theorem?
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answered Jul 2 '12 at 16:33
stbrodystbrody
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Enum type constraints in C# [duplicate]
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edited Mar 30 '12 at 10:24
Eamon Nerbonne
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How can I get the button that caused the submit from the form submit event?
...lf, by handling keypress events in input[type="text"] and similar.
Update 2017-01: For my library Hyperform I chose not to use activeElement but to catch all events, that lead to form submission. The code for this is on Github.
If you happen to use Hyperform, this is how you would access the butto...
Canvas width and height in HTML5
...lurry pixelated zoom-in
// with each canvas pixel drawn showing as roughly 2x2 on screen
canvas.width = 400;
canvas.height = 300;
canvas.style.width = '800px';
canvas.style.height = '600px';
See this live example of a canvas that is zoomed in by 4x.
var c = document.getElementsByTagName('c...
getting the screen density programmatically in android?
...the metrics.densityDpi property will be one of the DENSITY_xxx constants (120, 160, 213, 240, 320, 480 or 640 dpi).
If you need the actual lcd pixel density (perhaps for an OpenGL app) you can get it from the metrics.xdpi and metrics.ydpi properties for horizontal and vertical density respectively....
Is it possible to declare two variables of different types in a for loop?
...th the std::string, if you want to name a type. For example:
auto [vec, i32] = std::tuple{std::vector<int>{3, 4, 5}, std::int32_t{12}}
A specific application of this is iterating over a map, getting the key and value,
std::unordered_map<K, V> m = { /*...*/ };
for (auto& [key, val...
Is int[] a reference type or a value type?
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205
Arrays are mechanisms that allow you
to treat several items as a single
collection. The...
mysql -> insert into tbl (select from another table) and some default values [duplicate]
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247
You simply have to do:
INSERT INTO def (catid, title, page, publish)
SELECT catid, title, 'p...