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Cross field validation with Hibernate Validator (JSR 303)
...ws the error message to be specified per match.
For example, validating a common form:
@FieldMatch.List({
@FieldMatch(first = "password", second = "confirmPassword", message = "The password fields must match"),
@FieldMatch(first = "email", second = "confirmEmail", message = "The ...
Web-scraping JavaScript page with Python
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dryscape isn't maintained anymore and the library dryscape developers recommend is Python 2 only. I have found using Selenium's python library with Phantom JS as a web driver fast enough and easy to get the work done.
Once you have installed Phantom JS, make sure the phantomjs binary is availabl...
How to specify a multi-line shell variable?
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set -e exits the shell if a command has an "unanticipated" non-zero exit status. By "unanticipated", I mean it runs in a context where you aren't specifically looking at its exit status. false by itself, for instance, would exit the shell. false || true...
Pandas dataframe get first row of each group
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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_action :set_cache_headers
private
def set_c...
Cast a Double Variable to Decimal
...ller. A double value may be out of range for a decimal. See: stackoverflow.com/questions/7817866/…
– Guffa
Aug 14 '14 at 18:59
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maven-dependency-plugin (goals “copy-dependencies”, “unpack”) is not supported by m2e
...lipse settings.
Save this file somewhere on the disk: https://gist.github.com/maksimov/8906462
In Eclipse/Preferences/Maven/Lifecycle Mappings browse to this file and click OK:
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Remove/Add Line Breaks after Specific String using Sublime Text
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Here's how you'd do it on a Mac:
Command+F > type string > Control+Command+G > ESC > Right Arrow > line break
and Windows/Linux (untested):
Control+F > type string > Alt+F3 > ESC > Right Arrow > line break
The important...
How to getText on an input in protractor
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This is answered in the Protractor FAQ: https://github.com/angular/protractor/blob/master/docs/faq.md#the-result-of-gettext-from-an-input-element-is-always-empty
The result of getText from an input element is always empty
This is a webdriver quirk. and elements always have em...
Convert Iterable to Stream using Java 8 JDK
... (the default implementation uses spliteratorUnknownSize), but in the more common case, where your Iterable is already a collection, you'll get a better spliterator, and therefore better stream performance (maybe even good parallelism). It's also less code:
StreamSupport.stream(iterable.spliterato...