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Do I need all three constructors for an Android custom view?
...ext context, AttributeSet attrs), otherwise you will get an Exception when Android tries to inflate your View.
If you add your View from xml and also specify the android:style attribute like :
<com.mypack.MyView
style="@styles/MyCustomStyle"
...
/>
the 2nd constructor wi...
Convert JSON style properties names to Java CamelCase names with GSON
...lowing setting works perfect when reading json with underscored attributes and using camelcasing in my models.
Gson gson = new GsonBuilder()
.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
.create()
...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
...NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
14 Answers
...
Eager load polymorphic
... this issue, you need to explicitly define the relationship between Review and Shop.
class Review < ActiveRecord::Base
belongs_to :user
belongs_to :reviewable, polymorphic: true
# For Rails < 4
belongs_to :shop, foreign_key: 'reviewable_id', conditions: "reviews.reviewable_type = ...
How to print to console in pytest?
...
By default, py.test captures the result of standard out so that it can control how it prints it out. If it didn't do this, it would spew out a lot of text without the context of what test printed that text.
However, if a test fails, it will include a section in the res...
Session variables in ASP.NET MVC
...lem is that I need this object to be accessed from any part of the website and I don't really know the best way to accomplish this. I know that one solution is to use session variables but I don't know how to use them in asp .net MVC. And where would I declare a session variable? Is there any other ...
Removing path and extension from filename in powershell
... to files. I'd like to save just the filename, without the file extension and the leading path. So from this:
12 Answers
...
IntelliJ Organize Imports
...→ Optimize Imports...) is what you're looking for, both on Windows/Linux and macOS keymaps.
It says "Optimize", but, if configured to do so, it will also:
organize existing imports
remove unneeded imports
add new required imports
add unambiguous imports on the fly
You can tune the auto-impor...
Operator precedence with Javascript Ternary operator
...ause> is assigned to <variable>, <false clause> is ignored, and the next statement is executed.
If <expression> evaluates to false, then <true clause> is ignored and the value of <false clause> is assigned to <variable>.
The important thing to realise with th...
How to make an HTTP POST web request
...
There are several ways to perform HTTP GET and POST requests:
Method A: HttpClient (Preferred)
Available in: .NET Framework 4.5+, .NET Standard 1.1+, .NET Core 1.0+ .
It is currently the preferred approach, and is asynchronous and high performance. Use the built-...