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Ruby class instance variable vs. class variable
...utomatic sharing throughout the class hierarchy.
Merging these together into a single example that also covers instance variables on instances:
class Parent
@@family_things = [] # Shared between class and subclasses
@shared_things = [] # Specific to this class
def self.family_thing...
How many parameters are too many? [closed]
... but too many of them will make your routine difficult to understand and maintain.
34 Answers
...
Is JavaScript an untyped language?
... if applicable, doesn't enforce correct typing. Without implicit compiler interjection, the instruction will error during run-time.
"12345" * 1 === 12345 // string * number => number
Strongly typed means there is a compiler, and it wants you an explicit cast from string to integer.
(int) "1...
Is a `=default` move constructor equivalent to a member-wise move constructor?
...
Yes both are the same.
But
struct Example {
int a, b;
Example(int mA, int mB) : a{mA}, b{mB} { }
Example(const Example& mE) = default;
Example(Example&& mE) = default;
Example& operator=(const Example& mE)...
Reserved keywords in JavaScript
...te class if short.
While protected with debugger case,
Continue volatile interface.
Instanceof super synchronized throw,
Extends final export throws.
Try import double enum?
- False, boolean, abstract function,
Implements typeof transient break!
Void static, default do,
Switch int native ...
Storing R.drawable IDs in XML array
...:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<integer-array name="random_imgs">
<item>@drawable/car_01</item>
<item>@drawable/balloon_random_02</item>
<item>@drawable/dog_03</item>
</integer-array>
...
Get the last inserted row ID (with SQL statement) [duplicate]
...
If your SQL Server table has a column of type INT IDENTITY (or BIGINT IDENTITY), then you can get the latest inserted value using:
INSERT INTO dbo.YourTable(columns....)
VALUES(..........)
SELECT SCOPE_IDENTITY()
This works as long as you haven't inserted another ...
Why is printing “B” dramatically slower than printing “#”?
...ps everything, or you do it manually prior to runtime, it is harder to run into the issues with word wrap.
– JockM
Feb 23 '14 at 15:42
...
Client to send SOAP request and receive response
...equest webRequest = CreateWebRequest(_url, _action);
InsertSoapEnvelopeIntoWebRequest(soapEnvelopeXml, webRequest);
// begin async call to web request.
IAsyncResult asyncResult = webRequest.BeginGetResponse(null, null);
// suspend this thread until call is complete. You might want ...
Android: set view style programmatically
...yout(new ContextThemeWrapper(this,R.style.RadioButton));
Or as @Dori pointed out simply:
RelativeLayout someLayout = new RelativeLayout(new ContextThemeWrapper(activity,R.style.LightStyle));
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