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How to remove array element in mongodb?
..._id and remove the phone +1786543589455 from its contact.phone array.
You can use $unset to unset the value in the array (set it to null), but not to remove it completely.
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Getting “Cannot read property 'nodeType' of null” when calling ko.applyBindings
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This problem was happening because I was trying to bind an HTML element before it was created.
My script was loaded on top of the HTML (in the head) but it needed to be loaded at the bottom of my HTML code (just before the closing body tag).
Thanks for...
ZSH iterm2 increase number of lines history
..., iterm2 or the interaction between them.
Trying to change the number of recallable lines in the terminal - not the command history, the output history.
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Base64 Decoding in iOS 7+
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In case you want to write fallback code, decoding from base64 has been present in iOS since the very beginning by caveat of NSURL:
NSURL *URL = [NSURL URLWithString:
[NSString stringWithFormat:@"data:application/octet-str...
Remove textarea inner shadow on Mobile Safari (iPhone)
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be careful when adding this property on input type checkbox and radio button selectors, because it hides the checkboxes and radio buttons ;)
– Zain Shaikh
Nov 2 '12 at 16:11
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Finding child element of parent pure javascript
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If you already have var parent = document.querySelector('.parent'); you can do this to scope the search to parent's children:
parent.querySelector('.child')
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using data-* attribute with thymeleaf
Can I set data-* attribute with thymeleaf?
3 Answers
3
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Enter “&” symbol into a text Label in Windows Forms?
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Two ways:
Escape it with another ampersand (&&).
Set UseMnemonic for that label to false. This causes all ampersands within the text to be taken literally so you don't need to double any of them. You'll lose the underlining and a...
What exactly does the enable-background attribute do?
...ther uses, but that's the one I know.
If you don't have it set, then technically the element can't use backgrounds created by ancestors.
The only major browser that supported it (ever) was IE10/11, so it doesn't get used very much. (It's also there as boilerplate in every Illustrator SVG export - fo...
Getting a 'source: not found' error when using source in a bash script
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If you're writing a bash script, call it by name:
#!/bin/bash
/bin/sh is not guaranteed to be bash. This caused a ton of broken scripts in Ubuntu some years ago (IIRC).
The source builtin works just fine in bash; but you might as well just use dot like N...