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What is the ideal data type to use when storing latitude / longitude in a MySQL database?
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163
Use MySQL's spatial extensions with GIS.
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Can I run multiple programs in a Docker container?
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edited Jul 2 '14 at 10:03
Vojtech Vitek
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answer...
Is there any way to git checkout previous branch?
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Karl BielefeldtKarl Bielefeldt
40.3k99 gold badges5555 silver badges8787 bronze badges
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What is a “callable”?
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314
A callable is anything that can be called.
The built-in callable (PyCallable_Check in object...
Set selected item of spinner programmatically
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Arun GeorgeArun George
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Continuously read from STDOUT of external process in Ruby
...create a script, random.rb, with the following line:
5.times { |i| sleep( 3*rand ); puts "#{i}" }
Then a ruby script to call it and return its output:
IO.popen( "ruby random.rb") do |random|
random.each { |line| puts line }
end
You'll see that you don't get the result in real-time as you mig...
jQuery/JavaScript to replace broken images
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31 Answers
31
Active
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Idiomatic way to wait for multiple callbacks in Node.js
...romise.resolve(1);
var b = Promise.resolve(2);
var c = Promise.resolve(3);
var res = yield [a, b, c];
console.log(res);
// => [1, 2, 3]
}).catch(onerror);
// errors can be try/catched
co(function *(){
try {
yield Promise.reject(new Error('boom'));
} catch (err) {
console.er...
Understanding __get__ and __set__ and Python descriptors
...nce?
– Lemma Prism
Mar 12 '19 at 2:43
2
'instance' can be instance of any class, self will be ins...
Sending Arguments To Background Worker?
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237
You start it like this:
int value = 123;
bgw1.RunWorkerAsync(argument: value); // the int wil...