大约有 43,100 项符合查询结果（耗时：0.0589秒） [XML]
Are SVG parameters such as 'xmlns' and 'version' needed?
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217
All user agents (browsers) ignore the version attribute, so you can always drop that.
If you e...
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...
Python set to list
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Your code does work (tested with cpython 2.4, 2.5, 2.6, 2.7, 3.1 and 3.2):
>>> a = set(["Blah", "Hello"])
>>> a = list(a) # You probably wrote a = list(a()) here or list = set() above
>>> a
['Blah', 'Hello']
Check that you didn't overwrite list by accident:
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How can I detect if this dictionary key exists in C#?
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edited May 13 '10 at 20:38
Adam Tuttle
18.4k1616 gold badges7171 silver badges109109 bronze badges
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Toggle Checkboxes on/off
...!checkBoxes.prop("checked"));
});
});
Before jQuery 1.6, when we only had attr() and not prop(), we used to write:
checkBoxes.attr("checked", !checkBoxes.attr("checked"));
But prop() has better semantics than attr() when applied to "boolean" HTML attributes, so it is usuall...
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'...
UIButton remove all target-actions
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831
Call removeTarget:action:forControlEvents:, pass nil for the target, NULL for action, and use a ...
Get list of all routes defined in the Flask app
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157
All the routes for an application are stored on app.url_map which is an instance of werkzeug.r...