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Can JSON start with “[”?
...teral names.
A JSON text is a serialized object or array.
Update (2014)
As of March 2014, there is a new JSON RFC (7159) that modifies the definition slightly (see pages 4/5).
The definition per RFC 4627 was: JSON-text = object / array
This has been changed in RFC 7159 to: JSON-text = ws v...
Django admin: how to sort by one of the custom list_display fields that has no database field
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159
I loved Greg's solution to this problem, but I'd like to point that you can do the same thing ...
MySQL: Invalid use of group function
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175
You need to use HAVING, not WHERE.
The difference is: the WHERE clause filters which rows MyS...
Maven: how to do parallel builds?
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Maven 3 (as of beta 1) now supports parallel builds as an experimental feature.
For example,
mvn -T 4 clean install # Builds with 4 threads
mvn -T 1C clean install # 1 thread per cpu core
mvn -T 1.5C clean install # 1.5 thread per cpu core
Full...
How can I see all the issues I'm watching on Github?
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edited Jun 20 at 10:01
lasec0203
1,5741313 silver badges2727 bronze badges
answered Apr 21 '19 ...
When does invoking a member function on a null instance result in undefined behavior?
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116
Both (a) and (b) result in undefined behavior. It's always undefined behavior to call a member...
Creating my own Iterators
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41
You should use Boost.Iterators. It contains a number of templates and concepts to implement new ...
Difference between addSubview and insertSubview in UIView class
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103
The only difference is in where the view is added: whether it is the frontmost view (addSubvi...
How to work with complex numbers in C?
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186
This code will help you, and it's fairly self-explanatory:
#include <stdio.h> /* S...
What's the difference between globals(), locals(), and vars()?
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