大约有 3,516 项符合查询结果（耗时：0.0180秒） [XML]
Generating matplotlib graphs without a running X server [duplicate]
...lotlib.pyplot as plt
fig = plt.figure()
ax = fig.add_subplot(111)
ax.plot(range(10))
fig.savefig('temp.png')
You don't have to use the Agg backend, as well. The pdf, ps, svg, agg, cairo, and gdk backends can all be used without an X-server. However, only the Agg backend will be built by default...
Shortcut to Apply a Formula to an Entire Column in Excel [closed]
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Select a range of cells (the entire column in this case), type in your formula, and hold down Ctrl while you press Enter. This places the formula in all selected cells.
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CSS submit button weird rendering on iPad/iPhone
...o the browser on other devices/desktop. I also had to set opacity to full (ranges from 0 to 1)
-webkit-appearance:none;
opactiy: 1
After setting the opacity, the button looked the same on all the different devices/emulator/desktop.
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Working with UTF-8 encoding in Python source [duplicate]
...eError: 'ascii' codec can't decode byte 0xe2 in position 1: ordinal not in range(128)"""
– Nullpoet
Jun 9 '11 at 7:36
1
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Obscure a UITextField password
...legate method textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String)
– Fangming
Aug 1 '19 at 14:04
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Get the last 4 characters of a string [duplicate]
...4:]
'ijkl'
This slices the string's last 4 characters. The -4 starts the range from the string's end. A modified expression with [:-4] removes the same 4 characters from the end of the string:
>>>mystr[:-4]
'abcdefgh'
For more information on slicing see this Stack Overflow answer.
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Newline character sequence in CSS 'content' property? [duplicate]
...because if the newline is followed by a number or any character from [a-f] range, this may give an undesired result.
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Charts for Android [closed]
...project which have some charts (graphs), tick chart, candlestick chart and range chart. But the problem is, there is no library for that charts. I have got Google chart API for candlestick chart. But I don't want graph/chart in a webview.
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find first sequence item that matches a criterion [duplicate]
...aster than a complete list comprehension. Compare these two:
[i for i in xrange(100000) if i == 1000][0]
next(i for i in xrange(100000) if i == 1000)
The first one needs 5.75ms, the second one 58.3µs (100 times faster because the loop 100 times shorter).
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ffmpeg - Converting MOV files to MP4 [closed]
... qscale value, the better the quality. The available qscale values range from 1 (highest quality) to 31 (lowest quality).
– RonnyKnoxville
Sep 8 '15 at 15:02
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