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Default html form focus without JavaScript
Is it possible to set the default input focus on an HTML form without using JavaScript, for example:
5 Answers
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Why are C# interface methods not declared abstract or virtual?
C# methods in interfaces are declared without using the virtual keyword, and overridden in the derived class without using the override keyword.
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What does the tilde (~) mean in my composer.json file?
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The full explanation is at Tilde Version Range docs page:
The ~ operator is best explained by example: ~1.2 is equivalent to >=1.2 <2.0.0, while ~1.2.3 is equivalent to >=1.2.3 <1.3.0.
Another way of looking at it is that using ~ specifies a minimum
version, but allows the la...
What's the best way to unit test protected & private methods in Ruby?
...ed and private methods in Ruby, using the standard Ruby Test::Unit framework?
16 Answers
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MySQL - Make an existing Field Unique
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ALTER IGNORE TABLE mytbl ADD UNIQUE (columnName);
For MySQL 5.7.4 or later:
ALTER TABLE mytbl ADD UNIQUE (columnName);
As of MySQL 5.7.4, the IGNORE clause for ALTER TABLE is removed and
its use produces an error.
So, ma...
Naming convention for Scala constants?
What is the naming convention for Scala constants? A brief search on StackOverflow suggestions uppercase CamelCase (the first line below), but I wanted to double-check.
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Python os.path.join on Windows
... output a script. I want to use os.path.join, but am pretty confused. According to the docs if I say:
11 Answers
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Allow user to set up an SSH tunnel, but nothing else
...ow a user to set up an SSH tunnel to a particular machine on a particular port (say, 5000), but I want to restrict this user as much as possible. (Authentication will be with public/private keypair).
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Compiled vs. Interpreted Languages
...m, once compiled, is expressed in the instructions of the target machine. For example, an addition "+" operation in your source code could be translated directly to the "ADD" instruction in machine code.
An interpreted language is one where the instructions are not directly executed by the target m...
Python dictionary from an object's fields
... level and your attributes at instance level, so __dict__ should be fine. For example:
>>> class A(object):
... def __init__(self):
... self.b = 1
... self.c = 2
... def do_nothing(self):
... pass
...
>>> a = A()
>>> a.__dict__
{'c': 2, 'b': 1}
A better ...