大约有 7,000 项符合查询结果（耗时：0.0216秒） [XML]
Why must we define both == and != in C#?
...overloads the equality operator, not the inequality:
module Module1
type Foo() =
let mutable myInternalValue = 0
member this.Prop
with get () = myInternalValue
and set (value) = myInternalValue <- value
static member op_Equality (left : Foo, right : Foo) = left.Prop...
What's the difference between git clone --mirror and git clone --bare
...some remote branches (devA/master, devB/master), and some other refs (refs/foo/bar, refs/foo/baz, which might be notes, stashes, other devs' namespaces, who knows).
git clone origin-url (non-bare): You will get all of the tags copied, a local branch master (HEAD) tracking a remote branch origin/m...
How are booleans formatted in Strings in Python?
...he object as transparantly as possible for python. For example, print(str("foo")) merely prints foo on a new line. print(repr("foo")) however prints 'foo' on a new line, including the quotes, since that's what you need to type in the python interpreter to get the corresponding object to the argument...
log4j: Log output of a specific class to a specific appender
...ut.ConversionPattern=%-6r %d{ISO8601} %-5p %40.40c %x - %m\n
log4j.logger.foo.bar.Baz=DEBUG, myappender
log4j.additivity.foo.bar.Baz=false
log4j.appender.myappender=org.apache.log4j.DailyRollingFileAppender
log4j.appender.myappender.datePattern='-'dd'.log'
log4j.appender.myappender.File=log/access...
RestSharp JSON Parameter Posting
...t do
request.RequestFormat = DataFormat.Json;
request.AddBody(new { A = "foo", B = "bar" }); // uses JsonSerializer
If you just want POST params instead (which would still map to your model and is a lot more efficient since there's no serialization to JSON) do this:
request.AddParameter("A", "f...
Use curly braces to initialize a Set in Python
...
There are two obvious issues with the set literal syntax:
my_set = {'foo', 'bar', 'baz'}
It's not available before Python 2.7
There's no way to express an empty set using that syntax (using {} creates an empty dict)
Those may or may not be important to you.
The section of the docs outlin...
Javascript shorthand ternary operator
...ng like that what you're looking for, where it defaults if undefined?
var foo = bar || 1; // 1
var bar = 2;
foo = bar || 1; // 2
By the way, this works for a lot of scenarios, including objects:
var foo = bar || {}; // secure an object is assigned when bar is absent
...
Easiest way to convert int to string in C++
...t i = 42;
std::string s = sstr( "i is: ", i );
puts( sstr( i ).c_str() );
Foo x( 42 );
throw std::runtime_error( sstr( "Foo is '", x, "', i is ", i ) );
Original answer:
Since "converting ... to string" is a recurring problem, I always define the SSTR() macro in a central header of my C++ sour...
How to exit git log or git diff [duplicate]
...nity wiki
4 revs, 2 users 71%Fred Foo
2
...
How to start an application without waiting in a batch file?
...a guess here, but your start invocation probably looks like this:
start "\Foo\Bar\Path with spaces in it\program.exe"
This will open a new console window, using “\Foo\Bar\Path with spaces in it\program.exe” as its title.
If you use start with something that is (or needs to be) surrounded by ...