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How do I send a file as an email attachment using Linux command line?
...mail to a remote email server for safekeeping. I've been able to send the raw script in the body an email by piping the backup text file to mailx like so:
...
How to make a great R reproducible example
... in R:
install.packages("devtools")
library(devtools)
source_url("https://raw.github.com/rsaporta/pubR/gitbranch/reproduce.R")
reproduce(myData)
Details:
This function is an intelligent wrapper to dput and does the following:
automatically samples a large data set (based on size and class. ...
Split a string by spaces — preserving quoted substrings — in Python
...
You should use raw strings when using regular expressions.
– asmeurer
Dec 19 '13 at 2:29
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...
Read an Excel file directly from a R script
... on MacOS and Linux, but takes an extra step on Windows, i.e. see http://strawberryperl.com/). There are various caveats, and alternatives, listed on the R wiki page.
The only reason I see not to do this directly is that you may want to examine the spreadsheet to see if it has glitches (weird heade...
PHP - how to create a newline character?
...
The "echo" command in PHP sends the output to the browser as raw html so even if in double quotes the browser will not parse it into two lines because a newline character in HTML means nothing. That's why you need to either use:
echo [output text]."<br>";
when using "echo", o...
Send string to stdin
...
see edited answer. The point is to not include raw binary data in your script, but instead filter it through a program like xxd
– sehe
Dec 3 '12 at 21:54
...
Convert an image (selected by path) to base64 string
...ng (MemoryStream m = new MemoryStream())
{
image.Save(m, image.RawFormat);
byte[] imageBytes = m.ToArray();
// Convert byte[] to Base64 String
string base64String = Convert.ToBase64String(imageBytes);
return base64String;
}
}
...
How to return smart pointers (shared_ptr), by reference or by value?
...e to one, and I would be very hesitant to pass them around by reference or raw pointer. Why? Because you cannot be certain that it will not be shallow-copied via a reference later. Your first point defines the reason why this should be a concern. This can happen even in a single-threaded environment...
What is causing “Unable to allocate memory for pool” in PHP?
... more efficient to keep opcode in ram rather than having the corresponding raw php in file cache.
Nowadays we can find dedicated servers with 24Gb of memory for as low as $80/month, so don't hesitate to allow several GB to APC. I put 2GB out of 24GB on a server hosting 5Magento stores and ~40 wordpr...
Is XSLT worth it? [closed]
... is the de facto data format of web development today, be it config files, raw data or in memory reprsentation. XSLT and XPath give you an enormously powerful and very efficient way to transform that data into any output format you might like, instantly giving you that MVC aspect of separating the p...