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Android: How to enable/disable option menu item on button click?
..., disable, or
enable menu items depending on the
current state of your application.
E.g.
@Override
public boolean onPrepareOptionsMenu (Menu menu) {
if (isFinalized) {
menu.getItem(1).setEnabled(false);
// You can also use something like:
// menu.findItem(R.id.exa...
Javascript trick for 'paste as plain text` in execCommand
...s just fine. Although that then doesn't seem to work in other browsers >_>.
– Jamie Barker
Jan 19 '16 at 11:48
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Ternary Operator Similar To ?:
...or that we just defined:
object T { val condition = true
import Bool._
// yay!
val x = condition ? "yes" | "no"
}
Have fun ;)
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...
How would I run an async Task method synchronously?
...nizationContext.SetSynchronizationContext(synch);
synch.Post(async _ =>
{
try
{
await task();
}
catch (Exception e)
{
synch.InnerException = e;
throw;
}
...
How to pass parameters to a view
....options:
initialize: function(options) {
this.options = options;
_.bindAll(this, 'render');
},
or use some finer ways as described by @Brave Dave.
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Unit testing for C++ code - Tools and methodology [closed]
...
Applying unit tests to legacy code was the very reason Working Effectively with Legacy Code was written. Michael Feathers is the author - as mentioned in other answers, he was involved in the creation of both CppUnit and Cpp...
How can I get the browser's scrollbar sizes?
... outer.style.height = "150px";
outer.style.overflow = "hidden";
outer.appendChild (inner);
document.body.appendChild (outer);
var w1 = inner.offsetWidth;
outer.style.overflow = 'scroll';
var w2 = inner.offsetWidth;
if (w1 == w2) w2 = outer.clientWidth;
document.body.removeChild (o...
Get difference between 2 dates in JavaScript? [duplicate]
... between those two UTC dates.
Now, the solution can be written as,
const _MS_PER_DAY = 1000 * 60 * 60 * 24;
// a and b are javascript Date objects
function dateDiffInDays(a, b) {
// Discard the time and time-zone information.
const utc1 = Date.UTC(a.getFullYear(), a.getMonth(), a.getDate());
...
Could not execute editor
I don't often have to modify multiple commit messages, but it has happened once or twice and I don't ever remember seeing this. I hope someone else has. When I git rebase -i HEAD~7 , the expected list opens in vi exactly as expected. I change the pick values to edit where appropriate and then ...
Pass Variables by Reference in Javascript
...;
return context[name];
}
}
Variable Declaration
rvar('test_ref');
test_ref = 5; // test_ref.value = 5
Or:
rvar('test_ref', 5); // test_ref.value = 5
Test Code
rvar('test_ref_number');
test_ref_number = 5;
function Fn1 (v) { v.value = 100; }
console.log("rvar('test_ref_number')...