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BAT file: Open new cmd window and execute a command in there
...
This is not very easy.
The best approach is to have the part of your script that you want to be executed in a "new window" to be in a separate .bat file. This might be impractical if e.g. you need a lot of state from the rest of your script (variables, etc). One option is to pass any values yo...
How to load images dynamically (or lazily) when users scrolls them into view
...to work fine (so far). There's probably a dozen things some of the popular scripts address that I haven't thought of.
Note - This solution is fast and easy to implement but of course not great for performance. Definitely look into the new Intersection Observer as mentioned by Apoorv and explained ...
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)...
How to encode the filename parameter of Content-Disposition header in HTTP?
... one you want, you don't need any extra headers!
This trick works:
/real_script.php/fake_filename.doc
And if your server supports URL rewriting (e.g. mod_rewrite in Apache) then you can fully hide the script part.
Characters in URLs should be in UTF-8, urlencoded byte-by-byte:
/mot%C3%B6rhead ...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
...d; this is the current directory (which is not necessarily the same as the script's directory). It is missing in Perl 5.26+, and when Perl runs with -T (taint checks enabled).
To change the default path when configuring Perl binary compilation, set the configuration option otherlibdirs:
Configu...
How to set HTTP headers (for cache-control)?
...nclude file .(html?|txt|css|js|php|pl)$
mod_gzip_item_include handler ^cgi-script$
mod_gzip_item_include mime ^text/.*
mod_gzip_item_include mime ^application/x-javascript.*
mod_gzip_item_exclude mime ^image/.*
mod_gzip_item_exclude rspheader ^Content-Encoding:.*gzip.*
</ifModule>
##Tweaks##
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Using R to download zipped data file, extract, and import data
...m(temp)
I know this is possible in a single line since you can pass bash scripts to fread, but I am not sure how to download a .zip file, extract, and pass a single file from that to fread.
share
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Echo equivalent in PowerShell for script testing
I would like to output variables and values out in a PowerShell script by setting up flags and seeing the data matriculate throughout the script.
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Disable messages upon loading a package
...ssages are printed. This is ordinarily fine, but since the output of my R script is being used for further analysis I want to completely disable all of this output. How do I do that? Furthermore, I'd prefer to do it without having to modify ROCR at all, so that future users of this script don't h...
Handling specific errors in JavaScript (think exceptions)
... Well Microsoft's C# certainly handles errors better than Javascript :P. Mozzilla added something like it to Firefox that's like that. Though it's not in the Ecmascript standard, not even ES6, but they also explain how to make it conform, though it's not as succint. Basically same as ab...