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jQuery - get a list of values of an attribute from elements of a class
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@MandeepJain: How does one mark an answer as 'correct'? This one may not have been marked as 'accepted', but over 100 people have voted it 'useful', and that's good enough for me!
– Michael Scheper
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Does Redis persist data?
I understand that Redis serves all data from memory, but does it persist as well across server reboot so that when the server reboots it reads into memory all the data from disk. Or is it always a blank store which is only to store data while apps are running with no persistence?
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More elegant “ps aux | grep -v grep”
When I check list of processes and 'grep' out those that are interesting for me, the grep itself is also included in the results. For example, to list terminals:
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How can I see the request headers made by curl when sending a request to the server?
...very helpful feature of the "verbose" flag: first, it also prints the TLS handshake process when accessing website through HTTPS, such as curl -v https://www.example.com; second, it also prints the CONNECT request if you are visiting the site through HTTP proxy, such as curl --proxy my-proxy:8080 ht...
Inheriting class methods from modules / mixins in Ruby
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A common idiom is to use included hook and inject class methods from there.
module Foo
def self.included base
base.send :include, InstanceMethods
base.extend ClassMethods
end
module InstanceMethods
def bar1
'bar1'
end
end
module ...
How to configure 'git log' to show 'commit date'
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You can use --pretty=format and use %cr for commit date relative.
For example:
$ git log --graph --pretty=format:'%C(auto)%h%d (%cr) %cn <%ce> %s'
You can define an alias in git to make this easier to use. I have the following in my .gitconfi...
Split string based on a regular expression
I have the output of a command in tabular form. I'm parsing this output from a result file and storing it in a string. Each element in one row is separated by one or more whitespace characters, thus I'm using regular expressions to match 1 or more spaces and split it. However, a space is being inser...
Viewing a Deleted File in Git
I've deleted a file with Git and then committed, so the file is no longer in my working copy. I want to look at the contents of that file, but not actually restore it. How can I do this?
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How to start working with GTest and CMake
I have recently been sold on using CMake for compiling my C++ projects, and would now like to start writing some unit tests for my code. I have decided to use the Google Test utility to help with this, but require some help in getting started.
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Why does Maven warn me about encoding?
...e for building the archetype at target/generated-sources/archetype/pom.xml and then runs the package goal (by default) on this POM.
The generated POM file doesn't have project.build.sourceEncoding or any other property defining encoding, and that's why you get the warning.
The POM is generated fro...