大约有 30,000 项符合查询结果（耗时：0.0376秒） [XML]
What does numpy.random.seed(0) do?
...
If you set the np.random.seed(a_fixed_number) every time you call the numpy's other random function, the result will be the same:
>>> import numpy as np
>>> np.random.seed(0)
>>> perm = np.random.permutation(10)
>>> p...
Why does C++11 not support designated initializer lists as C99? [closed]
...kery, so just sharing for fun.
#define with(T, ...)\
([&]{ T ${}; __VA_ARGS__; return $; }())
And use it like:
MyFunction(with(Params,
$.Name = "Foo Bar",
$.Age = 18
));
which expands to:
MyFunction(([&] {
Params ${};
$.Name = "Foo Bar", $.Age = 18;
return $;
}()));
...
Binding a WPF ComboBox to a custom list
...|
edited Apr 19 '18 at 13:32
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
...
How do I search an SQL Server database for a string?
... |
edited Dec 2 '19 at 10:32
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
...
Officially, what is typename for?
... once then keep it as a reference if you like.
– deft_code
Oct 21 '09 at 15:46
1
The astute reade...
How do I perform the SQL Join equivalent in MongoDB?
...ttps://docs.mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
{
from: <collection to join>,
localField: <field from the input documents>,
foreignField: <field from the documents of the "from" collection>...
Convert UTC date time to local date time
...
function localizeDateStr (date_to_convert_str) { var date_to_convert = new Date(date_to_convert_str); var local_date = new Date(); date_to_convert.setHours(date_to_convert.getHours()+local_date.getTimezoneOffset()); return date_to_convert.toString();...
Default function arguments in Rust
...you can get a similar behavior using Option<T>
fn add(a: Option<i32>, b: Option<i32>) -> i32 {
a.unwrap_or(1) + b.unwrap_or(2)
}
This accomplishes the objective of having the default value and the function coded only once (instead of in every call), but is of course a who...
【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...pc;
struct rtable *rt = NULL;
int free = 0;
int connected = 0;
__be32 daddr, faddr, saddr;
__be16 dport;
u8 tos;
int err, is_udplite = IS_UDPLITE(sk);
int corkreq = up->corkflag || msg->msg_flags&MSG_MORE; //UDP_CORK或者MSG_MORE
int (*getfrag)(void *, char *, int, int, int, stru...
(-2147483648> 0) returns true in C++?
-2147483648 is the smallest integer for integer type with 32 bits, but it seems that it will overflow in the if(...) sentence:
...