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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 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...
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...
Is there a way to automate the android sdk installation?
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UPDATE
Latest versions introduce sdkmanager, a command line tool that allows you to view, install, update, and uninstall packages for the Android SDK.
The sdkmanager tool is provided in the Android SDK Tools package (25.2.3 and higher) and is located in android_sdk/tools/...
Why is early return slower than else?
... the keys
are not the identical object, then and only then will Python try
comparing them for equality. This is comparatively slow, but in the
case of name lookups shouldn't actually happen.
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