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Remove rows with all or some NAs (missing values) in data.frame
...st these assumptions for your own use case ------------
row_size <- 1e6L
col_size <- 20 # not including ID column
p_missing <- 0.05 # likelihood of missing observation (except ID col)
col_subset <- 18:21 # second part of question: filter on select columns
#------- System i...
Dynamically update values of a chartjs chart
...create charts and updating the chart requires the data be in two different forms.
– Fresheyeball
Oct 18 '14 at 23:52
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C++, variable declaration in 'if' expression
...ither valid expressions, nor valid declarations, since a declaration can't form part of an expression. While it would be useful to be able to write code like your third example, it would require a significant change to the language syntax.
I don't see where it says anything about not being able ...
Get a list of all git commits, including the 'lost' ones
...ing commit dec2c5e72a81ef06963397a49c4b068540fc0dc3
dangling blob f8c2579e6cbfe022f08345fa7553feb08d60a975
dangling blob 0eb3e86dc112332ceadf9bc826c49bd371acc194
dangling blob 11cbd8eba79e01f4fd7f496b1750953146a09502
dangling commit 18733e44097d2c7a800650cea442febc5344f9b3
dangling blob 1e...
Android Studio with Google Play Services
...ies:
dependencies {
compile 'com.google.android.gms:play-services:6.5.87'
}
And finally syncronise your project (the button to the left of the AVD manager).
Since version 6.5 you can include the complete library (very large) or just the modules that you need (Best Option). I.e if you onl...
How to solve PHP error 'Notice: Array to string conversion in…'
...g <input name='C[]' in your HTML. This creates an array in PHP when the form is sent.
You are using echo $_POST['C']; to echo that array - this will not work, but instead emit that notice and the word "Array".
Depending on what you did with the rest of the code, you should probably use echo $_P...
Running multiple commands with xargs
...1b 1464beb4
60055629 3f2356f3 3e9c4e3c 76e3f3af a9db4b32 bd33322b 975696fc e6b23cfb
$ bash install.sh
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What parameters should I use in a Google Maps URL to go to a lat-lon?
...nced the Google Maps URLs API that allows to construct universal cross-platform links. Now you can open Google maps on web, Android or iOS using the same URL string in form:
https://www.google.com/maps/search/?api=1&parameters
There are several modes that you can use: search, directions, show ...
How to remove part of a string? [closed]
... of a string.
The function substr() will take a string as input, the index form where you want the string to be trimmed. and an optional parameter is the length of the substring. You can see proper documentation and example code on http://php.net/manual/en/function.substr.php
NOTE : index for a str...
Colors in JavaScript console
... 90px hsl(486, 100%, 50%), 16px 91px hsl(491.4, 100%, 50%), 14px 92px hsl(496.8, 100%, 50%), 13px 93px hsl(502.2, 100%, 50%), 11px 94px hsl(507.6, 100%, 50%), 9px 95px hsl(513, 100%, 50%), 7px 96px hsl(518.4, 100%, 50%), 5px 97px hsl(523.8, 100%, 50%), 3px 98px hsl(529.2, 100%, 50%), 1px 99px hsl(53...