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Remove rows with all or some NAs (missing values) in data.frame
... sparsity of your particular dataset.
Note log scale on y axis.
Benchmark script
#------- Adjust 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)...
cscope or ctags why choose one over the other? [closed]
...run :cscope blah blah manually.
To solve the fist problem I've got a bash script cscope_gen.sh that looks like this:
#!/bin/sh
find . -name '*.py' \
-o -name '*.java' \
-o -iname '*.[CH]' \
-o -name '*.cpp' \
-o -name '*.cc' \
-o -name '*.hpp' \
> cscope.files
# -b: just build
# -q: create in...
How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
I'm typing a shell script to find out the total physical memory in some RHEL linux boxes.
13 Answers
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Using TortoiseSVN via the command line
...e TortoiseSVN dialogs appear to collect user input. If you want to write a script which requires no input, you should use the official Subversion command line client instead.
Another option would be that you install the Subversion binaries. Slik SVN is a nice build (and doesn't require a registra...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...olicy you can start here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Same_origin_policy_for_JavaScript.
If this is not intended to be a cross-domain ajax call, try making your target url relative and see if the problem goes away. If you're really desperate look into the JSONP, but bew...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
Creating Unicode character from its number
...his will cause hideous breakage when your application encounters an exotic script.
– David Given
Apr 27 '13 at 15:18
3
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Is it possible to create a “weak reference” in javascript?
Is there any way in javascript to create a "weak reference" to another object? Here is the wiki page describing what a weak reference is. Here is another article that describes them in Java. Can anyone think of a way to implement this behavior in javascript?
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How to check if a process id (PID) exists
In a bash script, I want to do the following (in pseudo-code):
10 Answers
10
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How to set Java environment path in Ubuntu
...rom your system as it appears first in the global path. So after the above script is loaded, you will only pic-up "javac" not java, because of the default openjk-jre. ~sudo apt-get remove openjdk-*~
– kholofelo Maloma
Oct 26 '15 at 9:25
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