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Why doesn't list have safe “get” method like dictionary?
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Ultimately it probably doesn't have a safe .get method because a dict is an associative collection (values are associated with names) where it is inefficient to check if a key is present (and return its value) without throwing an except...
How to create dictionary and add key–value pairs dynamically?
...needed to add more key/value pairs
Basically, you're creating an object literal with 2 properties (called key and value) and inserting it (using push()) into the array.
Edit: So almost 5 years later, this answer is getting downvotes because it's not creating an "normal" JS object literal (aka m...
What breaking changes are introduced in C++11?
...hat will cause some old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been valid in the first place, but it's still a breaking...
How to erase the file contents of text file in Python?
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edited Jun 28 '18 at 20:38
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How to count certain elements in array?
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No, what I mean is without looping with "for"
– Leem
May 25 '11 at 7:42
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Backbone.View “el” confusion
How should a view's el be handled?
It has to be set, otherwise events don't fire (see here ).
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How to determine if a record is just created or updated in after_save
The #new_record? function determines if a record has been saved. But it is always false in the after_save hook. Is there a way to determine whether the record is a newly created record or an old one from update?
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How to read a file in Groovy into a string?
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edited Oct 16 '14 at 14:44
answered Oct 11 '11 at 16:28
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When to use %r instead of %s in Python? [duplicate]
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The %s specifier converts the object using str(), and %r converts it using repr().
For some objects such as integers, they yield the same result, but repr() is special in that (for types where this is possible) it conventionally returns a result that is valid Python syntax, which could be ...
Entity Framework and SQL Server View
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We had the same problem and this is the solution:
To force entity framework to use a column as a primary key, use ISNULL.
To force entity framework not to use a column as a primary key, use NULLIF.
An easy way to apply this is to wrap the select statement of your view in another selec...