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How to detect if multiple keys are pressed at once using JavaScript?
... e.type == keydown, which evaluates to either true or false. Now both map[65] and map[66] are set to true. When you let go of A, the keyup event fires, causing the same logic to determine the opposite result for map[65] (A), which is now false, but since map[66] (B) is still "down" (it hasn't trigge...
Resource interpreted as Document but transferred with MIME type application/zip
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You can specify the HTML5 download attribute in your <a> tag.
<a href="http://example.com/archive.zip" download>Export</a>
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a#attr-download
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How to place and center text in an SVG rectangle
...in which you want to center it:
If it's the parent, you could just do x="50%" y ="50%".
If it's another element, x would be the x of that element + half its width (and similar for y but with the height).
Use the text-anchor property to center the text horizontally with the value middle:
middl...
json_encode is returning NULL?
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256
I bet you are retrieving data in non-utf8 encoding: try to put mysql_query('SET CHARACTER SET u...
How to write a multidimensional array to a text file?
...is (a 2D array) works fine
import numpy as np
x = np.arange(20).reshape((4,5))
np.savetxt('test.txt', x)
While the same thing would fail (with a rather uninformative error: TypeError: float argument required, not numpy.ndarray) for a 3D array:
import numpy as np
x = np.arange(200).reshape((4,5,10))...
Convert one date format into another in PHP
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15 Answers
15
Active
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Java generics T vs Object
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115
Isolated from context - no difference. On both t and obj you can invoke only the methods of Obje...
Mysql - How to quit/exit from stored procedure
... to scroll to the bottom to put */ in place)
– user645280
May 22 '13 at 14:36
2
can you leave and...
How to get the user input in Java?
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Pshemo
109k1818 gold badges159159 silver badges232232 bronze badges
answered Oct 23 '13 at 3:46
RichieRichie
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Clear variable in python
... edited Jun 6 '19 at 23:13
cs95
231k6060 gold badges390390 silver badges456456 bronze badges
answered Nov 23 '11 at 5:20
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