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Access lapply index names inside FUN
... the next releases.
You can get the index using this:
> lapply(list(a=10,b=20), function(x){parent.frame()$i[]})
$a
[1] 1
$b
[1] 2
Note: the [] is required for this to work, as it tricks R into thinking that the symbol i (residing in the evaluation frame of lapply) may have more references, ...
How to configure MongoDB Java driver MongoOptions for production use?
...ts this number per app server).
There is no need to set this higher than 100 in most cases but this setting is one of those "test it and see" things. Do note that you will have to make sure you set this low enough so that the total amount of connections to your server do not exceed
db.serverStat...
Putting an if-elif-else statement on one line?
...ator does work, but I still think that it's less readable:
>>> i=100
>>> a = 1 if i<100 else 2 if i>100 else 0
>>> a
0
>>> i=101
>>> a = 1 if i<100 else 2 if i>100 else 0
>>> a
2
>>> i=99
>>> a = 1 if i<100 else ...
Java: random long number in 0
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answered Mar 30 '10 at 14:55
kennytmkennytm
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What does $1 [QSA,L] mean in my .htaccess file?
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edited Nov 10 '18 at 5:39
SherylHohman
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Count, size, length…too many choices in Ruby?
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answered Dec 29 '10 at 1:08
Mark ByersMark Byers
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How to make an array of arrays in Java
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answered Jan 24 '11 at 10:54
Jon SkeetJon Skeet
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Moment JS - check if a date is today or in the future
...s not needed. This will work for all scenarios. SpecialToDate can be '2018-10-26 00:00:00' for an example.
– backslashN
Oct 26 '18 at 16:22
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How to swap keys and values in a hash
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edited May 10 '19 at 2:25
Nigel Thorne
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JSLint says “missing radix parameter”
...
1005
It always a good practice to pass radix with parseInt -
parseInt(string, radix)
For decimal ...