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Changing the selected option of an HTML Select element
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@llihttocs What about now?
– kzh
Sep 22 '14 at 22:38
1
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Paging with Oracle
...o 1000 and 500.000 to 501.000... I was using this kind of select structure now I'm searching for a workaround.
– newhouse
Aug 6 '12 at 11:58
3
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How can I read a text file without locking it?
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As now I know, File.ReadAllText() fails with read-only mode.
– bohdan_trotsenko
Oct 17 '13 at 14:27
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How to escape single quotes in MySQL
...y number of columns you want (or not wrap at all) and it will still work.
Now, to load this into MySQL:
INSERT INTO my_table (text) VALUES (FROM_BASE64('
SWtGb0xDSWdUbVZoY214NUlFaGxZV1JzWlhOeklFNXBZMnNnZD
JGMlpXUWdZVzRnWld4bFoyRnVkQ0JvWVc1a0xDQWlZU0J0WVhS
MFpYCklnYjJZZ2JtOGdhVzF3YjNKMFlXNWpaUzRnTGl...
Split array into chunks
...onsole.log(
[1, 2, 3, 4, 5, 6, 7].chunk(3)
)
My preferred way nowadays is the above, or one of the following:
Array.range = function(n) {
// Array.range(5) --> [0,1,2,3,4]
return Array.apply(null,Array(n)).map((x,i) => i)
};
Object.defineProperty(Array.prototype, 'chunk', {
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Convert JSON to Map
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I like google gson library.
When you don't know structure of json. You can use
JsonElement root = new JsonParser().parse(jsonString);
and then you can work with json. e.g. how to get "value1" from your gson:
String value1 = root.getAsJsonObject().get("data").getAsJ...
Determine if Python is running inside virtualenv
...d or supported by most Python 3 frameworks and applications, this function now reduces to a trivial one-liner: def is_venv(): return hasattr(sys, 'real_prefix') or sys.base_prefix != sys.prefix. Just sayin'.
– Cecil Curry
Nov 13 '19 at 6:36
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How to detect idle time in JavaScript elegantly?
...t.onkeypress = resetTimer;
function logout() {
alert("You are now logged out.")
//location.href = 'logout.html'
}
function resetTimer() {
clearTimeout(time);
time = setTimeout(logout, 3000)
// 1000 milliseconds = 1 second
}
};
And init the ...
html onchange event not working
...o "onchange" event that reports changes immediately, at least as far as I know. But there is a solution that works for all cases: set up a timing event using setInterval().
Let's say that your input field has an id and name of "city":
<input type="text" name="city" id="city" />
Have a glob...
Maximum size of a element
...ousands of pixels. However, after a certain number of pixels (obviously unknown), the canvas no longer display shapes I draw with JS.
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