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TypeError: 'NoneType' object is not iterable in Python
...'str' and 'NoneType' objects
What's going on here?
Python's interpreter converted your code to pyc bytecode. The Python virtual machine processed the bytecode, it encountered a looping construct which said iterate over a variable containing None. The operation was performed by invoking the __it...
MySQL join with where clause
...
You need to put it in the join clause, not the where:
SELECT *
FROM categories
LEFT JOIN user_category_subscriptions ON
user_category_subscriptions.category_id = categories.category_id
and user_category_subscriptions.user_id =1
See, with an inner join, putting a claus...
What is causing the error `string.split is not a function`?
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Thank you. I didn't realized I converted my var from string to object. Your solution gave me an idea to check back my code.
– sg552
Nov 16 '16 at 16:53
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TypeScript: problems with type system
...ar mySvg = <SVGSVGElement>document.getElementById('mySvg');
Cannot convert 'HTMLElement' to 'SVGSVGElement':
Type 'HTMLElement' is missing property 'width' from type 'SVGSVGElement'.
Type 'SVGSVGElement' is missing property 'onmouseleave' from type 'HTMLElement'.
If fixed it by first castin...
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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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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html5 - canvas element - Multiple layers
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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...