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How to center align the cells of a UICollectionView?
I am currently using UICollectionView for the user interface grid, and it works fine. However, I'd like to be enable horizontal scrolling. The grid supports 8 items per page and when the total number of items are, say 4, this is how the items should be arranged with horizontal scroll direction ena...
What is the max size of localStorage values?
...ith your code is not being able to get correct results with Correct way to convert size in bytes to KB, MB, GB in Javascript... I'll revise this tomorrow but if you can take a look, appreciated.
– brasofilo
Oct 16 '14 at 17:15
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In Jinja2, how do you test if a variable is undefined?
Converting from Django, I'm used to doing something like this:
6 Answers
6
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How to run Gulp tasks sequentially one after the other
...has been fixed as of release version 0.3.0, my co-worker submitted a PR to convert it over.
– knownasilya
Jun 10 '14 at 13:12
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What is the meaning of CTOR?
...h .cctor() whereas the instance field will be initialized through .ctor()
internal sealed class CtorExplorer
{
protected int a = 0;
protected static int b = 0;
}
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Simplest code for array intersection in javascript
...readability argued to keep it (I was on that side actually, but I've since converted to Lodash). @see github.com/jashkenas/underscore/issues/2182
– machineghost
Jan 7 '18 at 18:59
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SQLite select where empty?
...umn IS NULL OR some_column = '';
Test case:
CREATE TABLE your_table (id int, some_column varchar(10));
INSERT INTO your_table VALUES (1, NULL);
INSERT INTO your_table VALUES (2, '');
INSERT INTO your_table VALUES (3, 'test');
INSERT INTO your_table VALUES (4, 'another test');
INSERT INTO your_ta...
html5 - canvas element - Multiple layers
...
If you have heavier images, this will take some time to convert HTML to canvas, we had to move away from this just because the rendering took long time.
– Vilius
Sep 27 '17 at 15:36
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JS: Check if date is less than 1 hour ago?
... do it as follows:
First find difference of two dates i-e in milliseconds
Convert milliseconds into minutes
If minutes are less than 60, then it means date is within hour else not within hour.
var date = new Date("2020-07-12 11:30:10");
var now = new Date();
var diffInMS = now - date;
var msInHour...
Why doesn't ruby support method overloading?
...ignatures can be either,
Arguments with different data types, eg: method(int a, int b) vs method(String a, String b)
Variable number of arguments, eg: method(a) vs method(a, b)
We cannot achieve method overloading using the first way because there is no data type declaration in ruby(dynamic type...