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Interfacing with structs and anonymous unions with c2hs
...*/
__extension__ union {
struct me_grid {
unsigned int x;
unsigned int y;
} grid;
struct me_encoder {
unsigned int number;
int delta;
} encoder;
struct me_tilt {
unsigned int sensor;
...
How do Mockito matchers work?
...) that returns true if the object matches the Matcher's criteria. They are intended to be free of side effects, and are generally used in assertions such as the one below.
/* Mockito */ verify(foo).setPowerLevel(gt(9000));
/* Hamcrest */ assertThat(foo.getPowerLevel(), is(greaterThan(9000)));
Mock...
What is the difference between class and instance methods?
... used with just the class name. In Objective-C they are defined thusly:
@interface MyClass : NSObject
+ (void)aClassMethod;
- (void)anInstanceMethod;
@end
They could then be used like so:
[MyClass aClassMethod];
MyClass *object = [[MyClass alloc] init];
[object anInstanceMethod];
Some real...
Extending from two classes
...
You can only Extend a single class. And implement Interfaces from many sources.
Extending multiple classes is not available. The only solution I can think of is not inheriting either class but instead having an internal variable of each class and doing more of a proxy by r...
Setting unique Constraint with fluent API?
... fluent API. creating primary keys is easy but not so with a Unique Constraint. I was seeing old posts that suggested executing native SQL commands for this, but that seem to defeat the purpose. is this possible with EF6?
...
When would you use a List instead of a Dictionary?
...
When you don't need fast lookups on key - maintaining the hashtable used by Dictionary has a certain overhead.
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How do you display code snippets in MS Word preserving format and syntax highlighting?
...vailable in Office Addins with Office 365 !
Just select the code and click convert it and it converts the code text to formatted color code with line numbers !!!
Bit Rejoice!
Code Format is available here: https://appsource.microsoft.com/en-us/product/office/WA104379501?tab=Overview
...
What is the difference between print and puts?
...ust be opened for writing. Each given object that isn't a
string will be converted by calling its to_s method. When
called without arguments, prints the contents of $_.
If the output field separator ($,) is not nil, it
is inserted between objects. If the output record separator
($\) is ...
What is the most efficient way to store a list in the Django models?
...
A simple way to store a list in Django is to just convert it into a JSON string, and then save that as Text in the model. You can then retrieve the list by converting the (JSON) string back into a python list. Here's how:
The "list" would be stored in your Django model like...
How to show a dialog to confirm that the user wishes to exit an Android Activity?
...want to close this activity?")
.setPositiveButton("Yes", new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
})
.setNegativeButton("No", null)
.show();
}
In earlier v...