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Select last row in MySQL
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I just ran this over 20m rows and it was very fast. I assume there's some kind of special case for handling this query. (EDIT: MySQL 5.7, InnoDB engine)
– Daniel Buckmaster
Oct 29 '18 at 2:20
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What is the meaning of “this” in Java?
...d is required. If i add the main method, then I have to call from there. And any attempt to call frobnicate() inside main says that you can't call a non-static reference from inside a static one. And removing static from main returns the error again that no main method i s found. Please explain.
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What exactly does += do in python?
... that simple. I also would appreciate links to definitions of other short hand tools in python.
14 Answers
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Try/Catch block in PHP not catching Exception
...t problem where it seemed like I had even copied the name of the exception and yet it didn't catch it. It turned out it was my stupid mistake but I thought I should post my case here in case there is someone else in the same situation.
I had my exception in my namespace called A and the script was ...
Specify sudo password for Ansible
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You can pass variable on the command line via --extra-vars "name=value". Sudo password variable is ansible_sudo_pass. So your command would look like:
ansible-playbook playbook.yml -i inventory.ini --user=username \
--extra-var...
Can I apply the required attribute to fields in HTML5?
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Mandatory: Have the first value empty - required works on empty values
Prerequisites: correct html5 DOCTYPE and a named input field
<select name="somename" required>
<option value="">Please select</option&g...
Could not find com.google.android.gms:play-services:3.1.59 3.2.25 4.0.30 4.1.32 4.2.40 4.2.42 4.3.23
...a reference in the first place stopped working:
https://plus.google.com/+AndroidDevelopers/posts/4Yhpn6p9icf
12 Answers
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GitHub: make fork an “own project”
...t it seems the original author hasn't got the time to review these changes and include them. In fact, it is even possible that the features I need and implemented are not in the vision of the original author and we simply aim at different goals. I don't know as I never got responses from him.
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How to for each the hashmap? [duplicate]
...lways come back to this same answer. Upvoted, because this is clean answer and this code is copy pasted to so many places in my projects, thanks!
– Katu
Jan 23 '15 at 10:53
10
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HTTP 401 - what's an appropriate WWW-Authenticate header value?
...ke:
WWW-Authenticate: Basic realm="myRealm"
Whereas Basic is the scheme and the remainder is very much dependent on that scheme. In this case realm just provides the browser a literal that can be displayed to the user when prompting for the user id and password.
You're obviously not using Basic ...