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How to set response filename without forcing “save as” dialog
... wrote this answer, and wish you'd given hard facts instead of FUD. I just tested in IE 6, IE 8, modern Chrome, and modern Firefox, and it works in all of them; as far as I can tell, it's totally safe to use this nowadays.
– Mark Amery
Jun 1 '14 at 18:35
...
Swift - How to convert String to Double
...ng, and returns nil when the string does not contain a Double value (e.g. "test" will not return 0.0).
let double = NSNumberFormatter().numberFromString(myString)?.doubleValue
Alternatively, extending Swift's String type:
extension String {
func toDouble() -> Double? {
return Numb...
How to find first element of array matching a boolean condition in JavaScript?
...hat index) it was met. So we have to amend it a little:
function find(arr, test, ctx) {
var result = null;
arr.some(function(el, i) {
return test.call(ctx, el, i, arr) ? ((result = el), true) : false;
});
return result;
}
var result = find(someArray, isNotNullNorUndefined);...
Mod of negative number is melting my brain
...
But is a single % more expensive than a test and jump, especially if it can't easily be predicted?
– Medinoc
Oct 25 '17 at 13:58
add a comme...
Capturing multiple line output into a Bash variable
...out, stderr are 0-2, so we can use &3 or higher in bash).
result=""
./test>/tmp/foo
while read line <&3; do
result="$result$line\n"
done 3</tmp/foo
echo -e $result
you can also use mktemp, but this is just a quick code example. Usage for mktemp looks like:
filenamevar=`mkte...
In an array of objects, fastest way to find the index of an object whose attributes match a search
...nexpected type conversion, so use the obj.id === 3 operator instead, which tests for equal value and type.
– thclark
Jul 3 '18 at 13:03
...
How to scale Docker containers in production
...Another related project I recently discovered:
maestro
Update 2
The latest release Openstack contains support for managing Docker containers:
Docker Openstack
Paas zone within OpenStack
Update 3
System for managing Docker instances
Shipyard
And a presentation on how to use tools like P...
Python time measure function
I want to create a python function to test the time spent in each function and print its name with its time, how i can print the function name and if there is another way to do so please tell me
...
How to move a model between two Django apps (Django 1.7)
...e and it should work (python manage.py migrate)
Hope it helps. Of course test it in local before trying in production to avoid bad suprises :)
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Invoking JavaScript code in an iframe from the parent page
...ead of document.getElementById.
// this option does not work in most of latest versions of chrome and Firefox
window.frames[0].frameElement.contentWindow.targetFunction();
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