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MySQL - why not index every field?
...y I've learned the wonder of indexes, and performance has improved dramatically. However, with all I've learned, I can't seem to find the answer to this question.
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In plain English, what does “git reset” do?
...master)
You've ended up in a detached HEAD state. HEAD, work tree, index all match B, but the master branch was left behind at C. If you make a new commit D at this point, you'll get this, which is probably not what you want:
- A - B - C (master)
\
D (HEAD)
Remember, reset doesn'...
How to remove the first commit in git?
...med reference HEAD, so it will reset (softly, you will not lose your work) all your commits of your current branch.
If what you want is to merge the first commit with the second one, you can use the rebase command:
git rebase -i --root
A last way could be to create an orphan branch, a branch wit...
List Git aliases
...amed alias which gets stored in your ~/.gitconfig file. Using it will list all of your git aliases, in nearly the same format as they are in the ~/.gitconfig file. To use it, type:
$ git alias
loga = log --graph --decorate --name-status --all
alias = ! git config --get-regexp ^alias\. | sed -e s/^a...
What is the point of interfaces in PHP?
Interfaces allow you to create code which defines the methods of classes that implement it. You cannot however add any code to those methods.
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Making a WinForms TextBox behave like your browser's address bar
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First of all, thanks for answers! 9 total answers. Thank you.
Bad news: all of the answers had some quirks or didn't work quite right (or at all). I've added a comment to each of your posts.
Good news: I've found a way to make it wo...
How to find children of nodes using BeautifulSoup
I want to get all the <a> tags which are children of <li> :
6 Answers
6...
With GitHub how do I push all branches when adding an existing repo?
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Note: git push --all won't push your tags, only your branches.
git push --all
git push --tags
would really push everything. See also "Set up git to pull and push all branches".
Don't forget the --dry-run option to make some test before act...
Is JavaScript guaranteed to be single-threaded?
JavaScript is known to be single-threaded in all modern browser implementations, but is that specified in any standard or is it just by tradition? Is it totally safe to assume that JavaScript is always single-threaded?
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Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
... that there are methods just for viewing the queued jobs, but they would really just be wrappers around Redis commands, since that's basically all Sidekiq (and Resque) is:
# See workers
Sidekiq::Client.registered_workers
# See queues
Sidekiq::Client.registered_queues
# See all jobs for one queue
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