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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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数据
对每个块的纠错码
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1
67 85 70 134 87 38 85 194 119 50 6 18 6 103 38
213 199 11 45 115 247 241 223 229 248 154 117 154 111 86 161 111 39
2
246 246 66 7 118 134 242 7 38 86 22 198 199 146 6
87 204 96 60 202 182 124 157 200 134 27 129 209 17 163 163 1...
List of ANSI color escape sequences
...color table below ║
║ 38 ║ Set foreground color ║ Next arguments are `5;<n>` or `2;<r>;<g>;<b>`, see below ║
║ 39 ║ Default foreground color ║ implementation defined (...
How do I get a list of all the duplicate items using pandas in python?
... TRAINER_OPERATOR FIRST_VISIT_DATE
24 11795 27-Feb-12 0643D38-Hanover NH 0643D38-Hanover NH 19-Jun-12
6 11795 3-Jul-12 0649597-White River VT 0649597-White River VT 30-Mar-12
18 8096 19-Dec-11 0649597-White River VT 0649597-White River VT ...
Create new tmux session from inside a tmux session
... -s foo -d
$ tmux ls
> development: 1 windows (created Wed Jan 13 11:31:38 2016) [204x54]
> foo: 1 windows (created Wed Jan 13 11:31:38 2016) [204x54]
$ tmux attach -t
$ tmux ls
> development: 1 windows (created Wed Jan 13 11:31:38 2016) [204x54] (attached)
> foo: 1 windows (created Wed ...
How can I set Image source with base64
...ng;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=='
);
Real answer:
(And make sure you remove the line-breaks in the base64.)
share
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Mercurial — revert back to old version and continue from there
...t you don't want to use it in your situation.
If you use hg update --rev 38, then changesets 39–45 will be left as a dead end — a dangling head as we call it. You'll get a warning when you push since you will be creating "multiple heads" in the repository you push to. The warning is there sinc...
Media Player called in state 0, error (-38,0)
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It seems like Error -38 means a state-exception (as the error-message indicates). For example if you call start(), before the song was ready, or when you call pause(), even if the song isn't playing at all.
To fix this issue check the state of t...
Read a zipped file as a pandas DataFrame
...LATITUDE,LONGITUDE,BID,START_DATE,END_DATE,OBJECTID
0 -77.054968548763071,38.899775938598317,0925135...
1 -76.967309569035052,38.8721195536...
Specifying colClasses in the read.csv
...ge Dontas
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Using “this” with class name
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138
Usually, you can use only this. But, sometimes this makes reference to an inner class... so, fo...