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Preserving signatures of decorated functions
...on(x, y, z=3)
# Computes x*y + 2*z
Python 3.4+
functools.wraps() from stdlib preserves signatures since Python 3.4:
import functools
def args_as_ints(func):
@functools.wraps(func)
def wrapper(*args, **kwargs):
args = [int(x) for x in args]
kwargs = dict((k, int(v...
Incrementing in C++ - When to use x++ or ++x?
...for me.
For those who don't own the book, here are the pertinent quotes. From page 32:
From your days as a C programmer, you may recall that the prefix form of the increment operator is sometimes called "increment and fetch", while the postfix form is often known as "fetch and increment." The...
Javascript: Round up to the next multiple of 5
I need a utility function that takes in an integer value (ranging from 2 to 5 digits in length) that rounds up to the next multiple of 5 instead of the nearest multiple of 5. Here is what I got:
...
Where and why do I have to put the “template” and “typename” keywords?
...constructor initializer list:
template <typename T>
struct derive_from_Has_type : /* typename */ SomeBase<T>::type
{ };
In using-declarations it's not possible to use template after the last ::, and the C++ committee said not to work on a solution.
template <typename T>
s...
Evaluate empty or null JSTL c tags
...out those ${} things (the Expression Language, which is a separate subject from JSTL), check here.
See also:
How does EL empty operator work in JSF?
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Mime type for WOFF fonts?
...
Update from Keith Shaw's comment on Jun 22, 2017:
As of February 2017, RFC8081 is the proposed standard. It defines a top-level media type for fonts, therefore the standard media type for WOFF and WOFF2 are as follows:
font...
Convert JS date time to MySQL datetime
...and local time in minutes.
// 60000 = 60*1000 converts getTimezoneOffset() from minutes to milliseconds.
var fixedtime = new Date(isotime.getTime()-(starttime.getTimezoneOffset()*60000));
// toISOString() is always 24 characters long: YYYY-MM-DDTHH:mm:ss.sssZ.
// .slice(0, 19) removes the last 5 ch...
How to list npm user-installed packages?
...sions is plural. This will give you the full listing of versions to choose from.
For latest remote version:
npm view <module_name> version
Note, version is singular.
To find out which packages need to be updated, you can use
npm outdated -g --depth=0
To update global packages, you c...
CSS fixed width in a span
...block;
width: 50px;
}
</style>
This works on all browsers apart from FF2 and below.
Firefox 2 and lower don't support this
value. You can use -moz-inline-box,
but be aware that it's not the same as
inline-block, and it may not work as
you expect in some situations.
Quote tak...
How to make an inline-block element fill the remainder of the line?
...
@EricShields this shouldn't prevent anyone from using Flexbox. Nowadays we have flexbugs you know.
– Neurotransmitter
Jun 1 '18 at 11:36
add a ...