大约有 43,200 项符合查询结果（耗时：0.0694秒） [XML]
Convert a string to regular expression ruby
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150
Looks like here you need the initial string to be in single quotes (refer this page)
>>...
How do I get an object's unqualified (short) class name?
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184
You can do this with reflection. Specifically, you can use the ReflectionClass::getShortName m...
How to convert an integer to a string in any base?
...ng.ascii_letters
def int2base(x, base):
if x < 0:
sign = -1
elif x == 0:
return digs[0]
else:
sign = 1
x *= sign
digits = []
while x:
digits.append(digs[int(x % base)])
x = int(x / base)
if sign < 0:
digits.append...
PostgreSQL - fetch the row which has the Max value for a column
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91
On a table with 158k pseudo-random rows (usr_id uniformly distributed between 0 and 10k, trans_i...
How do I clone a GitHub wiki?
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answered Feb 26 '13 at 3:27
joseph.hainlinejoseph.hainline
19.9k1515 gold badges4949 silver badges7070 bronze badges
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What is the iBeacon Bluetooth Profile
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For an iBeacon with ProximityUUID E2C56DB5-DFFB-48D2-B060-D0F5A71096E0, major 0, minor 0, and calibrated Tx Power of -59 RSSI, the transmitted BLE advertisement packet looks like this:
d6 be 89 8e 40 24 05 a2 17 6e 3d 71 02 01 1a 1a ff 4c 00 02 15 e2 c5 6d b5 df fb 48 d2 b0 60 d0 f5 a7 1...
What is the proper way to format a multi-line dict in Python?
...ces beyond the indentations. As always, be consistent.
mydict = {
"key1": 1,
"key2": 2,
"key3": 3,
}
mylist = [
(1, 'hello'),
(2, 'world'),
]
nested = {
a: [
(1, 'a'),
(2, 'b'),
],
b: [
(3, 'c'),
(4, 'd'),
],
}
Similarly, here'...
How to make an array of arrays in Java
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155
Like this:
String[][] arrays = { array1, array2, array3, array4, array5 };
or
String[][] a...