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CSS Selector “(A or B) and C”?
... is going to be used in more than one place in the project and in case and if you have more than one where you use it - you somehow need to keep track of it all. You can surely have fallbacks and still pull it off but that does not sound clean
– Alexey Shevelyov
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Can I change the root EBS device of my amazon EC2 instance?
... detaching and reattaching the root device. I want to try this answer, but if I don't attach it as /dev/sda1 then AWS refuses to start my instance. Is there some other setting I need to configure to use an alternate root device name?
– Jack O'Connor
Oct 2 '15 a...
Typescript: difference between String and string
Does anyone know the difference between String and string in TypeScript? Am I correct in assuming that they ought to be the same?
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Type-juggling and (strict) greater/lesser-than comparisons in PHP
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PHP's comparison operators deviate from the computer-scientific definitions in several ways:
In order to constitute an equivalence relation == has to be reflexive, symmetric and transitive:
PHP's == operator is not reflexive, i.e. $a == $a is not always true:
var_dump(NAN == NAN)...
How to cherry pick from 1 branch to another
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When you cherry-pick, it creates a new commit with a new SHA. If you do:
git cherry-pick -x <sha>
then at least you'll get the commit message from the original commit appended to your new commit, along with the original SHA, which is very useful for tracking cherry-picks.
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What is purpose of the property “private” in package.json?
...from this site, https://docs.npmjs.com/files/package.json#private
private
If you set "private": true in your package.json, then npm will refuse to publish it.
This is a way to prevent accidental publication of private repositories.
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difference between iframe, embed and object elements
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<iframe>
The iframe element represents a nested browsing context. HTML 5 standard - "The <iframe> element"
Primarily used to include resources from other domains or subdomains but can be used to include content from...
Rails: How to change the title of a page?
...ur views do something like this:
<% content_for :title, "Title for specific page" %>
<!-- or -->
<h1><%= content_for(:title, "Title for specific page") %></h1>
The following goes in the layout file:
<head>
<title><%= yield(:title) %></title>...
JPA: unidirectional many-to-one and cascading delete
...tyManager.remove will remove the parent and the children. You can also specify orphanRemoval as true, to delete any orphaned children when the child entity in the parent collection is set to null, i.e. remove the child when it is not present in any parent's collection.
Or, specify the foreign key co...
Removing white space around a saved image in matplotlib
..., bbox_inches = 'tight',
pad_inches = 0)
I have tried to deactivate different parts of this, but this always lead to a white margin somewhere. You may even have modify this to keep fat lines near the limits of the figure from being shaved by the lack of margins.
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