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Are there strongly-typed collections in Objective-C?
...Objective-C. In Objective-C, they will generate compiler warnings if there is a type mismatch.
NSArray<NSString*>* arr = @[@"str"];
NSString* string = [arr objectAtIndex:0];
NSNumber* number = [arr objectAtIndex:0]; // Warning: Incompatible pointer types initializing 'NSNumber *' with an exp...
How can I launch multiple instances of MonoDevelop on the Mac?
...MonoDevelop instance to work on a different project on the Mac, and the OS is currently preventing me from opening a new instance.
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How do you use script variables in psql?
...M :myvariable.table1;
... or ...
SELECT * FROM table1 WHERE :myvariable IS NULL;
edit: As of psql 9.1, variables can be expanded in quotes as in:
\set myvariable value
SELECT * FROM table1 WHERE column1 = :'myvariable';
In older versions of the psql client:
... If you want to use the ...
Create nice column output in python
I am trying to create a nice column list in python for use with commandline admin tools which I create.
18 Answers
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How to generate all permutations of a list?
How do you generate all the permutations of a list in Python, independently of the type of elements in that list?
33 Answer...
Javascript : natural sort of alphanumerical strings
I'm looking for the easiest way to sort an array that consists of numbers and text, and a combination of these.
7 Answers
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Supervisor socket error issue [closed]
I'm trying to configure supervisor on my production system, but am hitting this error. The supervisor log file is empty.
7 ...
Take screenshots in the iOS simulator
I want to take a screenshot of my iOS application when it is running in the simulator, and save the screenshot on my Mac. How can I do this?
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Find first element in a sequence that matches a predicate
I want an idiomatic way to find the first element in a list that matches a predicate.
4 Answers
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How to print VARCHAR(MAX) using Print Statement?
I have a code which is:
17 Answers
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