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What are the differences between vector and list data types in R?
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answered Dec 21 '11 at 19:18
IRTFMIRTFM
234k1919 gold badges313313 silver badges437437 bronze badges
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
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answered Apr 17 '11 at 16:36
Raj AdvaniRaj Advani
3,62022 gold badges1515 silver badges99 bronze badges
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In Jinja2, how do you test if a variable is undefined?
...man Since 0.2.0
– Samuel Harmer
May 11 '17 at 20:09
1
{% if variable is defined and variable %} w...
Can't su to user jenkins after installing Jenkins
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Community♦
111 silver badge
answered Aug 6 '13 at 13:03
thekbbthekbb
7,07411 gold badge30...
Simulate first call fails, second call succeeds
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Jon SkeetJon Skeet
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Equivalent of strace -feopen < command > on mac os X
...93C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.69...
Javascript replace with reference to matched group?
... to documentation?
– daveloyall
Jun 11 '14 at 19:43
3
replacementValue can be a function and it i...
IntelliJ Split Window Navigation
... & Co.
– kevinarpe
Apr 3 '15 at 11:08
Great, thanks. Since I use VIM plugin, I remapped the navigation to CTRL+PgU...
PDO get the last ID inserted
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@rybo111, first it's Screaming snake case. second, it's MySQL naming convention and is not PHP
– azerafati
Jul 23 '15 at 11:56
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How to check if a table contains an element in Lua?
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117
You can put the values as the table's keys. For example:
function addToSet(set, key)
set[...