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TextView bold via xml file?
...a project in which I have the following TextView :
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textStyle="bold"
android:text="@string/app_name"
android:layout_gravity="center"
/>
So, I'm guessing you need to use android:te...
How to show method parameter tooltip in C#?
... Also make sure you don't have Resharper installed, as it overrides this shortcut. If you do, you can remove the override in the Tools > Options > Keyboard menu: search for commands with "CodeSmart".
– Protector one
Jan 2 '15 at 11:09
...
How to terminate a python subprocess launched with shell=True
...al to all the process in the groups. For that, you should attach a session id to the parent process of the spawned/child processes, which is a shell in your case. This will make it the group leader of the processes. So now, when a signal is sent to the process group leader, it's transmitted to all o...
When should I use require() and when to use define()?
...unction accepts two optional parameters (a string that represent a module ID and an array of required modules) and one required parameter (a factory method).
The return of the factory method MUST return the implementation for your module (in the same way that the Module Pattern does).
The require...
form_for with nested resources
...er.rb
app/controllers/comments_controller.rb
just as it says at http://guides.rubyonrails.org/routing.html#nested-resources, with no special namespaces.
But partials and forms become tricky. Note the square brackets:
<%= form_for [@article, @comment] do |f| %>
Most important, if you want...
angularjs: ng-src equivalent for background-image:url(…)
... ng-src which has the purpose that you won't receive an error for an invalid url before angularjs gets to evaluate the variables placed in between {{ and }} .
...
Computed / calculated / virtual / derived columns in PostgreSQL
...
, product bigint GENERATED ALWAYS AS (int1 * int2) STORED
);
db<>fiddle here
VIRTUAL generated columns may come with one of the next iterations. (Not in Postgres 13, yet) .
Related:
Attribute notation for function call gives error
Until then, you can emulate VIRTUAL generated colu...
How do I submit disabled input in ASP.NET MVC?
...net asp and I never knew that disabled inputs don't get poste back... how did that pass me? Just include a Hidden field for the disabled select and its all sorted.(Even though the ID's are repeated on the form which is not allowed)
– Piotr Kula
Jun 10 '13 at 15...
How To Save Canvas As An Image With canvas.toDataURL()?
...
This works great... But in Android (Default browser in Galaxy S3) it just doesn't download the image, but i get the message "Downloading..." forever.
– Habrashat
Jul 28 '14 at 6:05
...
Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
...
@colin, Not fully automatic, but you can use naresid to put the missing values back in after using na.exclude. A quick example: tmp <- data.frame(x=factor(c('a','b','c',NA,'a'))); tmp2 <- na.exclude(tmp); tmp3 <- model.matrix( ~x-1, tmp2); tmp4 <- naresid(attr(t...