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Declare multiple module.exports in Node.js
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Always use module.exports = {} and not module.method = .... stackoverflow.com/a/26451885/155740
– Scotty
Dec 15 '14 at 15:38
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How to filter Android logcat by application? [duplicate]
How can I filter Android logcat output by application? I need this because when I attach a device, I can't find the output I want due to spam from other processes.
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How to detect total available/free disk space on the iPhone/iPad device?
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UPDATE: Since a lot of time has passed after this answer and new methods/APIs have been added, please check the updated answers below for Swift etc; Since I've not used them myself, I can't vouch for them.
Original answer:
I found the following solution working for me:
-(uint64_t...
Printing all global variables/local variables?
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Type info variables to list "All global and static variable names".
Type info locals to list "Local variables of current stack frame" (names and values), including static variables in that function.
Type info args to list "Arguments of the current stack frame" (n...
What is C# analog of C++ std::pair?
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Tuples are available since .NET4.0 and support generics:
Tuple<string, int> t = new Tuple<string, int>("Hello", 4);
In previous versions you can use System.Collections.Generic.KeyValuePair<K, V> or a solution like the following:
public ...
Check empty string in Swift?
...print("Nothing to see here")
}
Apple Pre-release documentation: "Strings and Characters".
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MySQL join with where clause
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user_category_subscriptions.category_id = categories.category_id
and user_category_subscriptions.user_id =1
See, with an inner join, putting a clause in the join or the where is equivalent. However, with an outer join, they are vastly different.
As a join condition, you specify the rows...
How do you unit test a Celery task?
... tasks. The first one (as I'm suggesting bellow) is completely synchronous and should be the one that makes sure the algorithm does what it should do. The second session uses the whole system (including the broker) and makes sure I'm not having serialization issues or any other distribution, comunic...
How do I get the day of the week with Foundation?
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And to get the names of all weekdays you can use [dateFormatter weekdaySymbols] (and similar), which returns an NSArray of NSStrings starting with Sunday at index 0.
– beetstra
Nov 9 '11...
On delete cascade with doctrine2
...a simple example in order to learn how to delete a row from a parent table and automatically delete the matching rows in the child table using Doctrine2.
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