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Running a cron job at 2:30 AM everyday
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541
crontab -e
add:
30 2 * * * /your/command
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space between divs - display table-cell
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193
You can use border-spacing property:
HTML:
<div class="table">
<div class="row"...
Is there XNOR (Logical biconditional) operator in C#?
... also that this doesn't generalize to bitwise operations, where you want 0x1234 XNOR 0x5678 == 0xFFFFBBB3 (assuming 32 bits). For that, you need to build up from other operations, like ~(A^B). (Note: ~, not !.)
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Why does ~True result in -2?
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int(True) is 1.
1 is:
00000001
and ~1 is:
11111110
Which is -2 in Two's complement1
1 Flip all the bits, add 1 to the resulting number and interpret the result as a binary representation of the magnitude and add a negative sign (s...
How do I get the row count of a pandas DataFrame?
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14 Answers
14
Active
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
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16 Answers
16
Active
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Why can't I center with margin: 0 auto?
I have a #header div that is 100% width and within that div I have an unordered list. I have applied margin: 0 auto to the unordered list but it won't center it within the header div.
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How to get the index of a maximum element in a numpy array along one axis
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144
>>> a.argmax(axis=0)
array([1, 1, 0])
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