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Disable ActiveRecord for Rails 4
... I created an application with rails new my_app -O a month ago. Now I want the active record back. What are files/gems/configuration I need to add now?
– Jak
Mar 25 '15 at 20:09
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How to prevent scrollbar from repositioning web page?
I have a website with center-aligned DIV. Now, some pages need scrolling, some don't. When I move from one type to another, the appearance of a scrollbar moves the page a few pixels to the side. Is there any way to avoid this without explicitly showing the scrollbars on each page?
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“Auth Failed” error with EGit and GitHub
...t keys are stored in
SSH2 home directory (see "General"
tab).
That's it! Now you should be able to push your code to GitHub repo.
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Can PostgreSQL index array columns?
...tage from the original Berkeley design of Postgres and very hard to change now. And it's generally working just fine. Here is a thread on pgsql-bugs with Tom Lane commenting on this.
Some PostGis functions (like ST_DWithin()) seem to violate this principal, but that is not so. Those functions are r...
How to Correctly handle Weak Self in Swift Blocks with Arguments
...e closure use [weak self].
If self will never be nil in the closure use [unowned self].
If it's crashing when you use [unowned self] I would guess that self is nil at some point in that closure, which is why you had to go with [weak self] instead.
I really liked the whole section from the manual...
node.js require all files in a folder?
...hing.js");
exports.others = require("./routes/others.js");
If you don't know the filenames you should write some kind of loader.
Working example of a loader:
var normalizedPath = require("path").join(__dirname, "routes");
require("fs").readdirSync(normalizedPath).forEach(function(file) {
requ...
JavaScript blob filename without link
...actually mount the a tag to the body in order for this to work (tried just now in Chrome)
– beyond-code
Aug 12 '19 at 10:37
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show 13 more c...
What's the difference between Ruby's dup and clone methods?
...48 (Rails cookie handling) then you can easily get an error when they unbeknownst to you they clone it and then attempt to modify the clone. duping your frozen value and passing that in allows you to at least guarantee that no one accidentally modifies your constant, without breaking Rack here.
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How to scale Docker containers in production
...Docker applications:
http://panamax.io/
Update 15
The Docker project is now addressing orchestration natively (See announcement)
Docker machine
Docker swarm
Docker compose
Update 16
Spotify Helios
See also:
https://blog.docker.com/tag/helios/
Update 17
The Openstack project now has a n...
Why is using the rails default_scope often recommend against?
...WHERE "posts"."published" = 't'
Well this is pretty much what we expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title: nil, published: true, created_at: nil, updated_at: nil>
And there we have the first big problem with default scope:
=> default_scope will aff...
