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Why should I avoid std::enable_if in function signatures
...in a detail namespace or in a helper class) that receives a dummy argument based on the same compile-time condition that you use in the enable_if.
template<typename T>
T fun(T arg)
{
return detail::fun(arg, typename some_template_trait<T>::type() );
}
namespace detail {
temp...
Controlling number of decimal digits in print output in R
...One more solution able to control the how many decimal digits to print out based on needs (if you don't want to print redundant zero(s))
For example, if you have a vector as elements and would like to get sum of it
elements <- c(-1e-05, -2e-04, -3e-03, -4e-02, -5e-01, -6e+00, -7e+01, -8e+02...
How to convert a string from uppercase to lowercase in Bash? [duplicate]
...
Note that tr can only handle plain ASCII, making any tr-based solution fail when facing international characters.
Same goes for the bash 4 based ${x,,} solution.
The awk tool, on the other hand, properly supports even UTF-8 / multibyte input.
y="HELLO"
val=$(echo "$y" | awk '{p...
Generate random numbers using C++11 random library
...f you do understand all the containers and could make an informed decision based on algorithmic complexity.
– void.pointer
Oct 23 '14 at 22:53
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JavaScript - Get minutes between two dates
... numbers (e.g., new Date(2011, 9, 9, 12, 0, 0); just remember months are 0 based).
– Heretic Monkey
Aug 15 '19 at 14:27
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How do you run a Python script as a service in Windows?
...just for this purpose) and no "installation" is needed. The zip contains a 64-bit and a 32-bit version of the utility. Either should work well on current systems (you can use the 32-bit version to manage services on 64-bit systems).
GUI approach
1 - install the python program as a service. Open a Wi...
ASP.NET MS11-100: how can I change the limit on the maximum number of posted form values?
...
public HttpCookie Get(string name)
{
HttpCookie cookie = (HttpCookie) base.BaseGet(name);
if ((cookie == null) && (this._response != null))
{
cookie = new HttpCookie(name);
this.AddCookie(cookie, true);
this._response.OnCookieAdd(cookie);
}
return...
Is it possible to make a type only movable and not copyable?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
... 0.38 0.18
4 C D 0.12 0.59 0.81 0.66
5 C D -0.13 -1.65 -1.64 0.50
6 C D -1.42 -0.11 -0.18 -0.44
7 E F -0.00 1.42 -0.26 1.17
8 E F 0.91 -0.47 1.35 -0.34
9 G H 1.48 -0.63 -1.14 0.17
First let's use .size() to get the row counts:
In [3]: df.groupby(['c...
When to use MyISAM and InnoDB? [duplicate]
...he configurable limit (for many versions) has been 2**56 bytes.
Maximum of 64 indexes per table
InnoDB Limitations:
No full text indexing (Below-5.6 mysql version)
Cannot be compressed for fast, read-only (5.5.14 introduced ROW_FORMAT=COMPRESSED)
You cannot repair an InnoDB table
For brief und...