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How do I create an immutable Class?
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answered Dec 9 '08 at 11:47
Blair ConradBlair Conrad
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What is 'Pattern Matching' in functional languages?
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143
Understanding pattern matching requires explaining three parts:
Algebraic data types.
What pa...
Add a property to a JavaScript object using a variable as the name?
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With lodash, you can create new object like this _.set:
obj = _.set({}, key, val);
Or you can set to existing object like this:
var existingObj = { a: 1 };
_.set(existingObj, 'a', 5); // existingObj will be: { a: 5 }
You should take care if you want to use dot (".") i...
Should I use the datetime or timestamp data type in MySQL?
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edited Feb 24 '18 at 4:47
doitlikejustin
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Eclipse error: 'Failed to create the Java Virtual Machine'
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41 Answers
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Testing two JSON objects for equality ignoring child order in Java
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84
As a general architectural point, I usually advise against letting dependencies on a particular ...
jQuery UI Sortable, then write order into a database
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224
The jQuery UI sortable feature includes a serialize method to do this. It's quite simple, really...
Difference between Django's annotate and aggregate methods?
...> Book.objects.aggregate(average_price=Avg('price'))
{'average_price': 34.35}
Returns a dictionary containing the average price of all books in the queryset.
Annotation
>>> q = Book.objects.annotate(num_authors=Count('authors'))
>>> q[0].num_authors
2
>>> q[1].num_a...
Accessing UI (Main) Thread safely in WPF
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edited Jul 24 '12 at 6:47
answered Jul 24 '12 at 6:24
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How to Create Multiple Where Clause Query Using Laravel Eloquent?
...e more granular wheres passed as an array:
$query->where([
['column_1', '=', 'value_1'],
['column_2', '<>', 'value_2'],
[COLUMN, OPERATOR, VALUE],
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])
Personally I haven't found use-case for this over just multiple where calls, but fact is you can use it.
Since June 2...