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npm: disable postinstall script for package
... only this, but --ignore-scripts, or the associated config option (which I set globally) will also mean that npm run start will silently do nothing and report success. Amaze.
– Ash Berlin-Taylor
Jan 24 '19 at 12:27
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Difference between val() and text()
.... After that action the content in the textarea didnt change anymore. With setting content with .val('content') this problem didnt appear. Couldnt figure out why, but I think it has something to do with DOM cache-ing and different behaviour of these 2 methods.
– Erik Čerpnjak
...
Using Rails serialize to save hash to database
...add_column :users, :location_data, :hstore
end
end
With hstore you can set attributes on the serialized field
class User < ActiveRecord::Base
# setup hstore
store_accessor :location_data, :city, :state
end
sha...
What does Maven Update Project do in Eclipse?
...
It syncs the Eclipse project settings with that of the pom. If you for example change important plugin settings, such as the output java version, you will find that Eclipse will ask you to update the project and afterwards the configured Java runtime in ...
Set focus on TextBox in WPF from view model
...gging refer to Shawn Bruke's blog.
Finally, general approach that I use to set focus from ViewModel is Attached Properties. I wrote very simple attached property, which can be set on any UIElement. And it can be bound to ViewModel's property "IsFocused" for example. Here it is:
public static class ...
A semantics for Bash scripts?
...$ 'echo' foo
foo
$ "echo" foo
foo
Substring expansion
$ fail='echoes'
$ set -x # So we can see what's going on
$ "${fail:0:-2}" Hello World
+ echo Hello World
Hello World
For more on expansions, read the Parameter Expansion section of the manual. It's quite powerful.
Integers and arithmetic ex...
C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
... matter. The point of this question was finding out why the state is being set at all.
The value is relevant if the await ends in an exception which is caught. We can end up coming back to the same await statement again, but we mustn't be in the state meaning "I'm just about to come back from that ...
What is the at sign (@) in a batch file and what does it do?
...ecessary to leave a space between the "@" and the command.
When "echo" is set to "off" it is not necessary to use "@" because setting "echo" to "off" causes this behavior to become automatic. "Echo" is usually set to "on" by default when the execution of a script begins. This is the reason "@echo o...
Canvas width and height in HTML5
...properties that correspond to the height="…" and width="…" attributes. Set them to numeric values in JavaScript code to resize your canvas. For example:
var canvas = document.getElementsByTagName('canvas')[0];
canvas.width = 800;
canvas.height = 600;
Note that this clears the canvas, though ...
How to get all subsets of a set? (powerset)
Given a set
26 Answers
26
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