大约有 12,000 项符合查询结果（耗时：0.0295秒） [XML]
Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
....
An example of how it integrates better is that for instance if function foo has overloads for int and for bool, then foo(TRUE) will choose the bool overload. If TRUE is just defined as 1, then it won't work nicely in the C++. foo(TRUE) will want the int overload.
Of course, C99 introduced bool, ...
Working with huge files in VIM
...with those changes:
#!/usr/bin/env ruby
matchers={
%q/^CREATE TABLE `foo`/ => %q/CREATE TABLE IF NOT EXISTS `foo`/,
%q/^DROP TABLE IF EXISTS `foo`;.*$/ => "-- DROP TABLE IF EXISTS `foo`;"
}
matchers.each_pair { |m,r|
STDERR.puts "%s: %s" % [ m, r ]
}
STDIN.each { |line|
#ST...
Is it possible to allow didSet to be called during initialization in Swift?
...nswer, you could wrap the lines in a closure. Eg:
class Classy {
var foo: Int! { didSet { doStuff() } }
init( foo: Int ) {
// closure invokes didSet
({ self.foo = foo })()
}
}
Edit: Brian Westphal's answer is nicer imho. The nice thing about his is that it hints at ...
Private and Protected Members : C++
...edInt;
public:
int MyPublicInt;
};
class Derived : Base
{
public:
int foo1() { return MyPrivateInt;} // Won't compile!
int foo2() { return MyProtectedInt;} // OK
int foo3() { return MyPublicInt;} // OK
};
class Unrelated
{
private:
Base B;
public:
int foo1() { return B.MyP...
What is the fastest way to compare two sets in Java?
...uld be based on on a Comparator.
public class SortedSetComparitor <Foo extends Comparable<Foo>>
implements Comparator<SortedSet<Foo>> {
@Override
public int compare( SortedSet<Foo> arg0, SortedSet<Foo> arg1 ) {
Iterat...
Different ways of adding to Dictionary
...ng, string> strings = new Dictionary<string, string>();
strings["foo"] = "bar"; //strings["foo"] == "bar"
strings["foo"] = string.Empty; //strings["foo"] == string.empty
strings.Add("foo", "bar"); //throws
...
RSpec: how to test if a method was called?
...do
expect(subject).to receive(:bar).with("an argument I want")
subject.foo
end
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...
PHP check whether property exists in object or class
...$ob->a = null
var_dump(isset($ob->a)); // false
Example 2:
class Foo
{
public $bar = null;
}
$foo = new Foo();
var_dump(property_exists($foo, 'bar')); // true
var_dump(isset($foo->bar)); // false
share
...
How can I suppress all output from a command using Bash?
...he terminal device rather than to standard output/error. To test, put echo foo > $(tty) in a script and run ./test.sh &> /dev/null - The output is still printed to the terminal. Of course this is not a problem if you're writing a script which uses no such commands.
– ...
setMaxResults for Spring-Data-JPA annotation?
...t; {
@Query("from User u where ...")
List<User> findAllUsersWhereFoo(@Param("foo") Foo foo, Pageable pageable);
default List<User> findTop10UsersWhereFoo(Foo foo) {
return findAllUsersWhereFoo(foo, new PageRequest(0,10));
}
}
...