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How to find event listeners on a DOM node when debugging or from the JavaScript code?
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508
If you just need to inspect what's happening on a page, you might try the Visual Event bookmark...
How do I test for an empty JavaScript object?
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ECMA 5+:
// because Object.keys(new Date()).length === 0;
// we have to do some additional check
Object.keys(obj).length === 0 && obj.constructor === Object
Note, though, that this creates an unnecessary array (the return value of keys).
Pre-ECMA 5:
function isEmpty(o...
No resource found - Theme.AppCompat.Light.DarkActionBar
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answered Feb 20 '14 at 7:21
RaghunandanRaghunandan
127k2424 gold badges212212 silver badges248248 bronze badges
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How do you round to 1 decimal place in Javascript?
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Math.round(num * 10) / 10 works, here is an example...
var number = 12.3456789
var rounded = Math.round(number * 10) / 10
// rounded is 12.3
if you want it to have one decimal place, even when that would be a 0, then add...
var fixed = rou...
When to use Task.Delay, when to use Thread.Sleep?
... retry timer.
– Stephen Cleary
Nov 20 '13 at 0:42
4
Or when you don't want to chew up CPU in a ma...
Recommended way to embed PDF in HTML?
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edited Jun 10 '12 at 12:57
Peter Mortensen
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“#include” a text file in a C program as a char[]
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$ echo hello world > a
$ xxd -i a
outputs:
unsigned char a[] = {
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x0a
};
unsigned int a_len = 12;
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What is “rvalue reference for *this”?
...t;
t.f(); // lvalue
test().f(); // rvalue
}
Output:
$ clang++ -std=c++0x -stdlib=libc++ -Wall -pedantic t.cpp
$ ./a.out
lvalue object
rvalue object
The whole thing is done to allow you to take advantage of the fact when the object the function is called on is an rvalue (unnamed temporary, for ...
Redirecting Output from within Batch file
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10 Answers
10
Active
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C# int to byte[]
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edited Apr 26 '14 at 0:20
Qantas 94 Heavy
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