大约有 47,000 项符合查询结果（耗时：0.0773秒） [XML]
How to create ASP.NET Web API Url?
...blic IEnumerable<string> Get()
{
// returns /api/values/123
string url = Url.Route("DefaultApi", new { controller = "values", id = "123" });
return new string[] { "value1", "value2" };
}
// GET /api/values/5
public string Get(int id)
{
retur...
How do I comment in CoffeeScript? “/* this */” doesn't work
...
269
Use a single # sign
# like this
One character seems pretty minimal ;)
Also:
###
This bl...
What is the difference between Class and Klass in ruby?
...ecting ')'
def show_methods(class)
^
test.rb:2: syntax error, unexpected ')'
puts Object.const_get(class).methods.inspect
To fix it, we'll use the identifier klass instead. It's not special, but it's conventionally used as a variable name when you're dealing wit...
How to implement a many-to-many relationship in PostgreSQL?
...s using serial primary key columns
Auto increment table column
https://www.2ndquadrant.com/en/blog/postgresql-10-identity-columns/
I highly recommend that, because the name of a product is hardly unique (not a good "natural key"). Also, enforcing uniqueness and referencing the column in foreign key...
curl -GET and -X GET
...
270
By default you use curl without explicitly saying which request method to use. If you just pas...
Github: Import upstream branch into fork
...
267
Make sure you've pulled the new upstream branch into your local repo:
First, ensure your ...
Are static fields inherited?
...es it OK, i.e.:
class A
{
public:
static int MaxHP;
};
int A::MaxHP = 23;
class Cat: A
{
public:
static const int MaxHP = 100;
};
works fine and with different values for A::MaxHP and Cat::MaxHP -- in this case the subclass is "not inheriting" the static from the base class, since, so to...
How to get a reference to a module inside the module itself?
...
218
import sys
current_module = sys.modules[__name__]
...
Is it possible to set transparency in CSS3 box-shadow?
... */
box-shadow: 10px 10px 10px rgba(0, 0, 0, 0.5);
div {
width: 200px;
height: 50px;
line-height: 50px;
text-align: center;
color: white;
background-color: red;
margin: 10px;
}
div.a {
box-shadow: 10px 10px 10px #000;
}
div.b {
box-shadow: 10px ...
Printing the correct number of decimal points with cout
I have a list of float values and I want to print them with cout with 2 decimal places.
12 Answers
...