大约有 5,420 项符合查询结果（耗时：0.0269秒） [XML]
Difference between numpy.array shape (R, 1) and (R,)
...rue
ALIGNED : True
UPDATEIFCOPY : False
>>> a.dtype
dtype('int64')
>>> a.itemsize
8
>>> a.strides
(8,)
>>> a.shape
(12,)
Here the shape (12,) means the array is indexed by a single index which runs from 0 to 11. Conceptually, if we label this single index ...
How to swap keys and values in a hash
...
64
You bet there is one! There is always a shorter way to do things in Ruby!
It's pretty simple, ...
Convert blob URL to normal URL
...
164
A URL that was created from a JavaScript Blob can not be converted to a "normal" URL.
A blob: ...
Is there a benefit to defining a class inside another class in Python?
...2
dF.dF.
64.3k2727 gold badges123123 silver badges134134 bronze badges
...
When should I write the keyword 'inline' for a function/method?
...
64
I'd like to contribute to all of the great answers in this thread with a convincing example to ...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...这是块注释
这是块注释
变量Lua的数字只有double型，64bits，你不必担心Lua处理浮点数会慢（除非大于100,000,000,000,000），或是会有精度问题。你可以以如下的方式表示数字，0x开头的16进制和C是很像的。num = 1024
num = 3.0
num = 3.1...
Javascript calculate the day of the year (1 - 366)
...for another 200,000 years. The largest date supported by Date is new Date(8640000000000000), which is still less than Number.MAX_SAFE_INTEGER. see this answer: stackoverflow.com/a/11526569/18511
– Kip
Aug 4 at 16:35
...
PHP shell_exec() vs exec()
...0.255 Mask:255.255.255.0\n inet6 addr: fe80::12bf:ffff:eeee:2222/64 Scope:Link\n UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1\n RX packets:16264200 errors:0 dropped:1 overruns:0 frame:0\n TX packets:7205647 errors:0 dropped:0 overruns:0 carrier:0\n ...
Is it faster to count down than it is to count up?
... sigfpesigfpe
7,48022 gold badges2222 silver badges4646 bronze badges
2
...
C# Thread safe fast(est) counter
..." statement and its variable is directly incremented (x86) or "added" to (x64).
This "bus lock" statement locks the bus to prevent another CPU from accessing the bus while the calling CPU does its operation. Now, take a look at the C# lock() statement's IL. Here you will see calls to Monitor in...