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How to rollback just one step using rake db:migrate
...d to answer your question about where you get a migration's version number from:
The version is the numerical prefix on the migration's filename. For
example, to migrate to version 20080906120000 run
$ rake db:migrate VERSION=20080906120000
(From Running Migrations in the Rails Guides)
...
Does Swift support reflection?
...uit())[0].0 // "name"
reflect(Fruit())[0].1.summary // "Apple"
From mchambers gist, here:
https://gist.github.com/mchambers/fb9da554898dae3e54f2
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...arge screens (remaining desktops)
Read the "Grid
Options"
chapter from the official Bootstrap documentation for more details.
You should usually classify a div using multiple column classes so it behaves differently depending on the screen size (this is the heart of what makes bootstrap r...
WebView link click open default browser
...Overflow that I want to share here in case someone else needs it.
Source (from sven)
webView.setWebViewClient(new WebViewClient(){
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url != null && (url.startsWith("http://") || url.startsWith("https://"))) {...
How to avoid merge-commit hell on GitHub/BitBucket
...erve all of your branch history on a merge.
Use the --ff-only Flag
Aside from rebasing, the use of the --ff-only flag will ensure that only fast-forward commits are allowed. A commit will not be made if it would be a merge commit instead. The git-merge(1) manual page says:
--ff-only
Ref...
Pull request without forking?
Here are steps of code contribution from the topic " How do I contribute to other's code in GitHub? "
5 Answers
...
What does the git index contain EXACTLY?
...ster -- in commit c0e78f7, 13 Jun 2019)
read-cache: drop unused parameter from threaded load
The load_cache_entries_threaded() function takes a src_offset parameter
that it doesn't use. This has been there since its inception in 77ff112 (read-cache: load cache entries on worker threads, 2018-10-1...
Why do you need explicitly have the “self” argument in a Python method?
...elf in the function declaration (mind you, perhaps this is throwing stones from a glass house, since JavaScript has some pretty tricky this binding semantics)
– Jonathan Benn
Oct 23 '17 at 17:30
...
makefile execute another target
...arallel builds with make’s -j option?
There's a way of fixing the order. From the make manual, section 4.2:
Occasionally, however, you have a situation where you want to impose a specific ordering on the rules to be invoked without forcing the target to be updated if one of those rules is execute...
rails i18n - translating text with links inside
...zle: The problem I realized with your approach is that it still won't work from inside the controller. I did some research and combined your approach with the one from Glenn on rubypond.
Here is what I came up with:
View helper, e.g. application_helper.rb
def render_flash_messages
messages ...