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How to add leading zeros?
...ution.
paste0("0", anim)
## [1] "025499" "025500" "025501" "025502" "025503" "025504"
For the case where there are a variable number of digits in the numbers, you have to manually calculate how many zeroes to prepend, which is horrible enough that you should only do it out of morbid curiosity.
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How to go to each directory and execute a command?
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Socowi
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answered Sep 19 '11 at 11:29
Mark LongairMark ...
What is the largest Safe UDP Packet Size on the Internet
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132
It is true that a typical IPv4 header is 20 bytes, and the UDP header is 8 bytes. However it i...
Android customized button; changing text color
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edited Mar 16 '18 at 13:34
ZooMagic
45766 silver badges1212 bronze badges
answered Jan 14 '11 at 15:...
Django select only rows with duplicate field values
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193
Try:
from django.db.models import Count
Literal.objects.values('name')
.annotate...
How can I change the language (to english) in Oracle SQL Developer?
...non-english Windows 7 system, and apparently Oracle SQL Developer (version 3.0.04.34, 64-bit) tries to auto-guess my preferred language based on the OS. Is there any way to change the language to english?
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Choosing the best concurrency list in Java [closed]
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edited Nov 20 '11 at 19:13
answered Nov 20 '11 at 19:03
Tr...
Is there an equivalent to e.PageX position for 'touchstart' event as there is for click event?
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answered Aug 31 '11 at 0:07
mkoistinenmkoistinen
7,31222 gold badges3434 silver badges5555 bronze badges
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How to configure slf4j-simple
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edited Dec 22 '13 at 7:13
answered Jan 27 '13 at 6:51
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Python memoising/deferred lookup property decorator
...est()
>>> t.__dict__
{}
>>> t.a
generating "a"
[0, 1, 2, 3, 4]
>>> t.__dict__
{'_lazy_a': [0, 1, 2, 3, 4]}
>>> t.a
[0, 1, 2, 3, 4]
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