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JavaScript: Upload file
...rm), you can use ajax:
Asynchronous file upload (AJAX file upload) using jsp and javascript
jQuery Ajax File Upload
Ajax using file upload
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fo...
What does this symbol mean in JavaScript?
...pt?
Javascript, What does the ^ (caret) operator do?
Using bitwise OR 0 to floor a number, How does x|0 floor the number in JavaScript?
Why does ~1 equal -2?
What does ~~ ("double tilde") do in Javascript?
How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array m...
What is the difference between a schema and a table and a database?
...
schema : database : table :: floor plan : house : room
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Random alpha-numeric string in JavaScript? [duplicate]
... result = '';
for (var i = length; i > 0; --i) result += chars[Math.floor(Math.random() * chars.length)];
return result;
}
var rString = randomString(32, '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ');
Here's a jsfiddle to demonstrate: http://jsfiddle.net/wSQBx/
Anot...
Infinite scrolling with React JS
...g it executes
scrollState: function(scroll) {
var visibleStart = Math.floor(scroll / this.state.recordHeight);
var visibleEnd = Math.min(visibleStart + this.state.recordsPerBody, this.state.total - 1);
var displayStart = Math.max(0, Math.floor(scroll / this.state.recordHeight) - this.s...
What's the advantage of Logic-less template (such as mustache)?
...ther words, it prevents you from shooting yourself in the foot. In the old JSP days, it was very common to have JSP files sprinkled with Java code, which made refactoring much harder, since you had your code scattered.
If you prevent logic in templates by design (like mustache does), you will be ob...
Current time formatting with Javascript
...: "-";
if (!utc) {
tz = Math.abs(tz);
var tzHrs = Math.floor(tz / 60);
var tzMin = tz % 60;
K += ii(tzHrs) + ":" + ii(tzMin);
}
format = format.replace(/(^|[^\\])K/g, "$1" + K);
var day = (utc ? date.getUTCDay() : date.getDay()) + 1;
format = form...
Get the time difference between two datetimes
...nt(then,"DD/MM/YYYY HH:mm:ss"));
var d = moment.duration(ms);
var s = Math.floor(d.asHours()) + moment.utc(ms).format(":mm:ss");
// outputs: "48:39:30"
Note that I'm using the utc time as a shortcut. You could pull out d.minutes() and d.seconds() separately, but you would also have to zeropad th...
How can I check if multiplying two numbers in Java will cause an overflow?
...he reason this works is that for integer n, n > x is the same as n > floor(x). For positive integers division does an implicit floor. (For negative numbers it rounds up instead)
– Thomas Ahle
May 5 '15 at 22:44
...
How to get a number of random elements from an array?
...re elements taken than available");
while (n--) {
var x = Math.floor(Math.random() * len);
result[n] = arr[x in taken ? taken[x] : x];
taken[x] = --len in taken ? taken[len] : len;
}
return result;
}
...