大约有 19,000 项符合查询结果(耗时:0.0395秒) [XML]
What is an example of the simplest possible Socket.io example?
... NEVER use a Sync function except at start-up!
index = fs.readFileSync(__dirname + '/index.html');
// Send index.html to all requests
var app = http.createServer(function(req, res) {
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(index);
});
// Socket.io server listens to o...
How to maintain aspect ratio using HTML IMG tag
...img src="https://upload.wikimedia.org/wikipedia/meta/0/08/Wikipedia-logo-v2_1x.png">
</div>
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Equivalent C++ to Python generator pattern
...:
// (implicit aliases)
public std::iterator<
std::input_iterator_tag,
std::pair<unsigned, unsigned>
>
{
// C++03
typedef void (PairSequence::*BoolLike)();
void non_comparable();
public:
// C++11 (explicit aliases)
using iterator_category = std::inpu...
Which commit has this blob?
...
Here it is as a shell script – short and sweet, but slow:
#!/bin/sh
obj_name="$1"
shift
git log "$@" --pretty=format:'%T %h %s' \
| while read tree commit subject ; do
if git ls-tree -r $tree | grep -q "$obj_name" ; then
echo $commit "$subject"
fi
done
And an optimised version ...
How to fix “containing working copy admin area is missing” in SVN?
...
fwiw, I had a similar situation and used svn --force delete __dir__. That solved the issue for me. Then i continued working with my working copy as normal.
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How to determine height of UICollectionView with FlowLayout
...verride func layoutSubviews() {
super.layoutSubviews()
if !__CGSizeEqualToSize(bounds.size, self.intrinsicContentSize) {
self.invalidateIntrinsicContentSize()
}
}
override var intrinsicContentSize: CGSize {
return contentSize
}
}
...
How to escape single quotes within single quoted strings
...uotes and double quotes in the alias string!
– Uphill_ What '1
Jun 1 '11 at 10:09
19
...
How is null + true a string?
...ing str = null + true;
it's as bellow:
.locals init ([0] string str)
IL_0000: nop
IL_0001: ldc.i4.1
IL_0002: box [mscorlib]System.Boolean
IL_0007: call string [mscorlib]System.String::Concat(object)
IL_000c: stloc.0
...
Multiple ModelAdmins/views for same model in Django admin
...l may be registered only once.
class PostAdmin(admin.ModelAdmin):
list_display = ('title', 'pubdate','user')
class MyPost(Post):
class Meta:
proxy = True
class MyPostAdmin(PostAdmin):
def get_queryset(self, request):
return self.model.objects.filter(user = request.user...
Can't use Swift classes inside Objective-C
...wift enum
ObjcClass.h
#import <Foundation/Foundation.h>
typedef NS_ENUM(NSInteger, ObjcEnum) {
ObjcEnumValue1,
ObjcEnumValue2,
ObjcEnumValue3
};
@interface ObjcClass : NSObject
+ (void) PrintEnumValues;
@end
ObjcClass.m
#import "ObjcClass.h"
#import "SwiftCode.h"
@impleme...
