大约有 40,000 项符合查询结果(耗时:0.0269秒) [XML]
Make error: missing separator
...
Wolf
7,54144 gold badges4141 silver badges8989 bronze badges
answered May 28 '09 at 11:38
dfadfa
105k2828 gold badges183...
Saving a Numpy array as an image
...FFFFFFFF & zlib.crc32(chunk_head)))
return b''.join([
b'\x89PNG\r\n\x1a\n',
png_pack(b'IHDR', struct.pack("!2I5B", width, height, 8, 6, 0, 0, 0)),
png_pack(b'IDAT', zlib.compress(raw_data, 9)),
png_pack(b'IEND', b'')])
... The data should be written directl...
Javascript swap array elements
...
kennebeckennebec
89.8k2828 gold badges9696 silver badges123123 bronze badges
...
Most efficient way to prepend a value to an array
...
kennebeckennebec
89.8k2828 gold badges9696 silver badges123123 bronze badges
a...
ActiveRecord OR query
...ttps://github.com/rails/rails/commit/9e42cf019f2417473e7dcbfcb885709fa2709f89
Post.where(column: 'something').or(Post.where(other: 'else'))
# => SELECT * FROM posts WHERE (column = 'something') OR (other = 'else)
share...
CSS3 Rotate Animation
....I used the same one to rotate the dial of a clock.
http://jsfiddle.net/xw89p/
var rotation = function (){
$("#image").rotate({
angle:0,
animateTo:360,
callback: rotation,
easing: function (x,t,b,c,d){
return c*(t/d)+b;
}
});
}
rotation();
W...
sizeof single struct member in C
...
wonderful? its plain C89, see implementation of "offsetof" in <stddef.h> or the same implementation eetimes.com/design/other/4024941/…
– user411313
Aug 24 '10 at 7:35
...
How do I remove a single file from the staging area (undo git add)?
...
89
git reset <file>
Works whether or not you have any previous commits.
...
ConcurrentHashMap vs Synchronized HashMap
...
89
The short answer:
Both maps are thread-safe implementations of the Map interface. ConcurrentHa...
Adjusting the Xcode iPhone simulator scale and size [duplicate]
...
89
Check this Image… You can change your simulator size from here
or press CMD+1, CMD+2 or CMD+...