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How can the Euclidean distance be calculated with NumPy?
... b)))
move along. But if you're comparing distances, doing range checks, etc., I'd like to add some useful performance observations.
Let’s take two cases: sorting by distance or culling a list to items that meet a range constraint.
# Ultra naive implementations. Hold onto your hat.
def sort_t...
编译失败！ Error: Your build failed due to an error in the AAPT stage,...
...ting network_security_config xml<br>________Generating adaptive icon file<br>________Generating round adaptive icon file<br>________Generating adaptive icon background file<br>________Generating manifest file<br>________Attaching native libraries<br>________Attach...
How to export data as CSV format from SQL Server using sqlcmd?
I can quite easily dump data into a text file such as:
11 Answers
11
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Load different colorscheme when using vimdiff
...re
After
I did this by adding the following to the end of my colorscheme file (~/.vim/colors/mycolorscheme.vim).
highlight DiffAdd cterm=bold ctermfg=10 ctermbg=17 gui=none guifg=bg guibg=Red
highlight DiffDelete cterm=bold ctermfg=10 ctermbg=17 gui=none guifg=bg guibg=Red
highlight DiffChange ...
Git: Permission denied (publickey) fatal - Could not read from remote repository. while cloning Git
... ssh-add ~/.ssh/identity return error /Users/lee/.ssh/identity: No such file or directory
– lee
Dec 22 '16 at 3:52
14
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Exclude a sub-directory using find
...me/feeds/data: start finding recursively from specified path
-type f: find files only
-not -path "*def/incoming*": don't include anything with def/incoming as part of its path
-not -path "*456/incoming*": don't include anything with 456/incoming as part of its path
...
rgdal package installation
...at can be useful, still under a Debian based system, is to install the apt-file package and run :
$ sudo apt-file update
Then, when you get an error such as :
configure: error: proj_api.h not found in standard or given locations.
You can use the following command to find which package you must...
Warning message: In `…` : invalid factor level, NA generated
...
If you are reading directly from CSV file then do like this.
myDataFrame <- read.csv("path/to/file.csv", header = TRUE, stringsAsFactors = FALSE)
share
|
i...
How does BitLocker affect performance? [closed]
...Developers who use IDEs like Visual Studio are working on lots and lots of files at once. More than the usual office worker, I would think.
...
I want to get the type of a variable at runtime
...ant to convert the type into a value, so you can store it, pass it around, etc. This involves reflection, and you'll be using either ClassTag or a TypeTag. For example:
val x: Any = 5
import scala.reflect.ClassTag
def f[T](v: T)(implicit ev: ClassTag[T]) = ev.toString
f(x) // returns the string "An...