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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
... // duh
A value other than -1 will have at least one bit set to zero; inverting it will create a truthy value; applying ! operator twice to a truthy value returns boolean true.
When used with .indexOf() and we only want to check if result is -1 or not:
!!~"abc".indexOf("d") // in...
HTML inside Twitter Bootstrap popover
...except... It shifts me all the way back to the top of the page. I have it set in a foreach loop of bootstrap thumbnails. Any ideas?
– foxtangocharlie
Feb 17 '17 at 18:32
add...
How do you push a tag to a remote repository using Git?
...d the push.followTags option to turn that flag on by default which you can set with:
git config --global push.followTags true
or by adding followTags = true to the [push] section of your ~/.gitconfig file.
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Detect changed input text box
... but for some reason it's not working... I get no console errors. When I set a breakpoint in the browser at the change() function it never hits it.
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Read a file in Node.js
...any, index: any) => {
if (file.endsWith('.ts')) {
//set the path and read the webpack.config.js file as text, replace path
let config = fs.readFileSync('myFile.js', 'utf8');
let fileName = file.replace('.ts', '');
let replacedConfig = config...
What is Lazy Loading?
...quantity \
+ sum(bi.quantity for bi in self.borroweditem_set.all())
return self._total
Basically, I have an Item class which represents an item in our inventory. The total number of items we have is the number that we own plus the sum of all of the items that we're borro...
How do I choose between Tesseract and OpenCV? [closed]
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Tesseract is trained for reading specific font sets. Those blocky letters aren't one of them. You'll have to present Google an animal sacrifice and try training Tesseract yourself: code.google.com/p/tesseract-ocr/wiki/TrainingTesseract3
– Blender
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Regular Expression for alphanumeric and underscores
...dering of the ASCII characters which may be different from other character sets and will therefore exclude some non-ASCII characters (letters such as œ) which you might want to capture.
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
...
@transformer The easiest thing to do would be to set Model.DropDownData to an empty list instead of null. If that isn't possible, you could alter your razor markup to check if the list is null, and if so, render an empty select list.
– hawkke
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Is there any way to do HTTP PUT in python
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I've used a variety of python HTTP libs in the past, and I've settled on 'Requests' as my favourite. Existing libs had pretty useable interfaces, but code can end up being a few lines too long for simple operations. A basic PUT in requests looks like:
payload = {'username': 'bob', 'e...