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Java 8 Stream and operation on arrays
...til.Arrays to convert an array into a Java 8 stream which can then be used for summing etc.
int sum = Arrays.stream(myIntArray)
.sum();
Multiplying two arrays is a little more difficult because I can't think of a way to get the value AND the index at the same time as a Stream op...
How do I run git log to see changes only for a specific branch?
...-change, I used the following incantation :) which produces a one-line log format with the author's name shown first, followed by the relative age of the commit: git log --no-merges --pretty='%C(yellow)%h%d %Creset%an %Cgreen%ar:%Creset %s' --graph master..
– Noah Sussman
...
Save file to specific folder with curl command
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af
...ntation.
The root of the problem is at the point a device "Goes to Sleep" for a while - this means that the OS has decided to lower the battery consumption by stopping most User Land processes for a while, and turning Screen off, reducing CPU cycles, etc. The way this is done - is on a Linux system...
Extract a substring from a string in Ruby using a regular expression
...ring1.scan(/<([^>]*)>/).last.first
scan creates an array which, for each <item> in String1 contains the text between the < and the > in a one-element array (because when used with a regex containing capturing groups, scan creates an array containing the captures for each match...
When does Java's Thread.sleep throw InterruptedException?
...afe to ignore it? I am not doing any multithreading. I just want to wait for a few seconds before retrying some operation.
...
Ajax using https on an http page
...s, but internally use an iframe to do the query.
if you're not using JSON for your payload, then you'll have to roll your own mechanism around the iframe.
personally, i'd just redirect form the http:// page to the https:// one
...
Should I use the Reply-To header when sending emails as a service to others?
...ge,
that is, the mailbox(es) of the person(s) or system(s) responsible
for the writing of the message. The "Sender:" field specifies the
mailbox of the agent responsible for the actual transmission of the
message. For example, if a secretary were to send a message for
another person, ...
How do I convert a Ruby class name to a underscore-delimited symbol?
...
Rails comes with a method called underscore that will allow you to transform CamelCased strings into underscore_separated strings. So you might be able to do this:
FooBar.name.underscore.to_sym
But you will have to install ActiveSupport just to do that, as ipsum says.
If you don't want to ins...
Ruby Regexp group matching, assign variables on 1 line
...
You don't want scan for this, as it makes little sense. You can use String#match which will return a MatchData object, you can then call #captures to return an Array of captures. Something like this:
#!/usr/bin/env ruby
string = "RyanOnRails: ...