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Best way to convert string to bytes in Python 3?
...rray of bytes. The bytearray type is a mutable sequence of integers in the range 0 <= x < 256. It has most of the usual methods of mutable sequences, described in Mutable Sequence Types, as well as most methods that the bytes type has, see Bytes and Byte Array Methods.
The optional source para...
How can I access the MySQL command line with XAMPP for Windows?
...tput is suspended. Doesn't use
history file.
-r, --raw Write fields without conversion. Used with --batch.
--reconnect Reconnect if the connection is lost. Disable with
--disable-reconnect. This option is enabled by default.
...
What is the difference between active and passive FTP?
...ass through!
To mitigate the risks, a good solution would be to specify a range of ports on your server and then to allow only that range of ports on your firewall.
For more information, please read the official document.
...
How do I find the duplicates in a list and create another list with them?
...ated to the "duplicatedness" of the input data. I have set l = [random.randrange(1000000) for i in xrange(10000)] and got these results:
$ pypy -mtimeit -s 'import test' 'test.moooeeeep(test.l)'
1000 loops, best of 3: 495 usec per loop
$ pypy -mtimeit -s 'import test' 'test.JohnLaRooy(test.l)'
1000...
What is the difference between __init__ and __call__?
...hown below).
Example.
class Stuff(object):
def __init__(self, x, y, range):
super(Stuff, self).__init__()
self.x = x
self.y = y
self.range = range
def __call__(self, x, y):
self.x = x
self.y = y
print '__call__ with (%d,%d)' % (self...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...知EXCEL装载指定的电子数据表，最后从电子数据表中获得Ranges。为了使用OLE函数，必须有EXCEL5及其以上版本。OLE函数可在数据部分和初始部分引入数据。
@OLE可以同时读集成员和集属性，集成员最好用文本格式，集属性最好用数...
Python, compute list difference
... x:x[0]!='equal',
squeeze.get_opcodes())))
Results:
# Small
a = range(10)
b = range(10/2)
timeit[diff(a, b)]
100000 loops, best of 3: 1.97 µs per loop
timeit[set_diff(a, b)]
100000 loops, best of 3: 2.71 µs per loop
timeit[diff_lamb_hension(a, b)]
100000 loops, best of 3: 2.1 µs per...
How do I add the contents of an iterable to a set?
...You can add elements of a list to a set like this:
>>> foo = set(range(0, 4))
>>> foo
set([0, 1, 2, 3])
>>> foo.update(range(2, 6))
>>> foo
set([0, 1, 2, 3, 4, 5])
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How can I limit possible inputs in a HTML5 “number” element?
...ax="999" />
if you add both a max and a min value you can specify the range of allowed values:
<input type="number" min="1" max="999" />
The above will still not stop a user from manually entering a value outside of the specified range. Instead he will be displayed a popup telling him ...
Converting string to byte array in C#
... This will fail for characters that fall into the surrogate pair range.. GetBytes will have a byte array that misses one normal char per surrogate pair off the end. The GetString will have empty chars at the end. The only way it would work is if microsoft's default were UTF32, or if char...