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Creating an abstract class in Objective-C
... format:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)];
If your method returns a value, it's a bit easier to use
@throw [NSException exceptionWithName:NSInternalInconsistencyException
reason:[NSString stringWithFormat:@"You must override %...
Why do we always prefer using parameters in SQL statements?
... the SQL statement is not going to be the same
– marc_s
Sep 21 '11 at 20:57
1
that means sql inje...
indexOf method in an object array?
...marks.
– Uniphonic
Jun 27 '17 at 22:32
Good to know, if performance is important for the task at hand. It very rarely ...
How to have an automatic timestamp in SQLite?
I have an SQLite database, version 3 and I am using C# to create an application that uses this database.
7 Answers
...
Choosing the default value of an Enum type without having to change values
In C#, is it possible to decorate an Enum type with an attribute or do something else to specify what the default value should be, without having the change the values? The numbers required might be set in stone for whatever reason, and it'd be handy to still have control over the default.
...
What does functools.wraps do?
...r. In other words, if you have a decorator
def logged(func):
def with_logging(*args, **kwargs):
print(func.__name__ + " was called")
return func(*args, **kwargs)
return with_logging
then when you say
@logged
def f(x):
"""does some math"""
return x + x * x
it's ex...
What does FETCH_HEAD in Git mean?
...9 branch 'some-branch' of <remote URL>
669980e32769626587c5f3c45334fb81e5f44c34 not-for-merge branch 'some-other-branch' of <remote URL>
b858c89278ab1469c71340eef8cf38cc4ef03fed not-for-merge branch 'yet-some-other-branch' of <remote URL>
...
How do I get bash completion to work with aliases?
...
As stated in the comments above,
complete -o default -o nospace -F _git_checkout gco
will no longer work. However, there's a __git_complete function in git-completion.bash which can be used to set up completion for aliases like so:
__git_complete gco _git_checkout
...
Pretty git branch graphs
... |
edited May 1 '19 at 21:32
answered Jun 8 '14 at 14:40
fr...
Get a random boolean in python?
...----------------------------------------------------------------
def create_values(fake):
""""""
print fake.boolean(chance_of_getting_true=50) # True
print fake.random_int(min=0, max=1) # 1
if __name__ == "__main__":
fake = Factory.create()
create_values(fake)
...