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How do I get the list of keys in a Dictionary?
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@MartinCapodici then you should usually expect the iterator to break and refuse to continue
– Marc Gravell♦
Mar 10 '16 at 22:32
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Using pre-compiled headers with CMake
...bout hacking together some support for pre-compiled headers in CMake. They all seem a bit all-over the place and everyone has their own way of doing it. What is the best way of doing it currently?
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Android SDK Manager Not Installing Components
Not sure what I'm doing wrong here. I installed the Android SDK Manager, and am now trying to install a platform like the Android Dev website suggests. Once I clicked install I got an error stating that the Manager could not create a temp folder within the Android directory. So I created it. Now I'm...
Warning: push.default is unset; its implicit value is changing in Git 2.0
...n the docs, but I'll try to summarize:
matching means git push will push all your local branches to the ones with the same name on the remote. This makes it easy to accidentally push a branch you didn't intend to.
simple means git push will push only the current branch to the one that git pull wo...
How to print last two columns using awk
All I want is the last two columns printed.
6 Answers
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How to prevent browser page caching in Rails
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Finally figured this out - http://blog.serendeputy.com/posts/how-to-prevent-browsers-from-caching-a-page-in-rails/ in application_controller.rb
After Rails 5:
class ApplicationController < ActionController::Base
before_a...
MySQL Data - Best way to implement paging?
... (not 1):
SELECT * FROM tbl LIMIT 5,10; # Retrieve rows 6-15
To retrieve all rows from a certain offset up to the end of the result set, you can use some large number for the second parameter. This statement retrieves all rows from the 96th row to the last:
SELECT * FROM tbl LIMIT 95,1844674407370...
vim deleting backward tricks
...pace)
db deletes current to beginning of current word
Read this to learn all the things you can combine with the 'd' command.
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Redirecting EC2 Elastic Load Balancer from HTTP to HTTPS
I want to redirect all the HTTP request to https request on ELB . I have two EC2 instances. I am using nginx for the server. I have tried a rewriting the nginx conf files without any success. I would love some advice on it.
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Get value of a string after last slash in JavaScript
...rn value (if (n !== -1)), but in the above since we're adding 1 to it and calling substring, we'd end up doing str.substring(0) which just returns the string.
Using Array#split
Sudhir and Tom Walters have this covered here and here, but just for completeness:
var parts = "foo/bar/test.html".split...