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How do you make sure email you send programmatically is not automatically marked as spam?
...stmaster@yourdomain.com. That means - make sure that these accounts exist, read what's sent to them, and act on complaints.
Finally, make it really easy to unsubscribe. Otherwise, your users will unsubscribe by pressing the spam button, and that will affect your reputation.
That said, getting Hotm...
How to use Elasticsearch with MongoDB?
...host" : "127.0.0.1:27017" } ] }
rs.initiate(config)
rs.slaveOk() // allows read operations to run on secondary members.
Now install Elasticsearch. I'm just following this helpful Gist.
Make sure Java is installed.
sudo apt-get install openjdk-7-jre-headless -y
Stick with v1.1.x for now until t...
What is your most productive shortcut with Vim?
...a paragraph of text I cut it using { d} (3 keystrokes). (If I happen to already be on the first or last line of the paragraph I can then simply use d} or d{ respectively.
The notion of "paragraph" defaults to something which is usually intuitively reasonable. Thus it often works for code as well a...
Scraping html tables into R data frames using the XML package
...ational_football_team",.opts = list(ssl.verifypeer = FALSE) )
tables <- readHTMLTable(theurl)
tables <- list.clean(tables, fun = is.null, recursive = FALSE)
n.rows <- unlist(lapply(tables, function(t) dim(t)[1]))
the picked table is the longest one on the page
tables[[which.max(n.rows)]]...
Difference between scaling horizontally and vertically for databases [closed]
...ata resides on a single node and scaling is done through multi-core i.e. spreading the load between the CPU and RAM resources of that machine.
With horizontal-scaling it is often easier to scale dynamically by adding more machines into the existing pool - Vertical-scaling is often limited to the cap...
Is there a Public FTP server to test upload and download? [closed]
...
Try ftp://test.rebex.net/
It is read-only used for testing Rebex components to list directory and download.
Allows also to test FTP/SSL and IMAP.
Username is "demo", password is "password"
See https://test.rebex.net/ for more information.
...
Delete all the queues from RabbitMQ?
...eues. Alternatively, if you're just looking for a way to clear everything (read: reset all settings, returning the installation to a default state), use:
rabbitmqctl stop_app
rabbitmqctl reset # Be sure you really want to do this!
rabbitmqctl start_app
...
“:” (colon) in C struct - what does it mean? [duplicate]
...ssigning to the structure looks like:"
struct file_operations fops = {
read: device_read,
write: device_write,
open: device_open,
release: device_release
};
The C99 (old, compatible) way looks like:
struct file_operations fops = {
.read = device_read,
.write = device_write,
...
Learning to write a compiler [closed]
...
I've read Let's Build a Compiler [compilers.iecc.com/crenshaw/] series, it is really nice writeup and is a good starting point.
– TheVillageIdiot
May 31 '10 at 4:35
...
Find full path of the Python interpreter?
...HOSTNAME ~
$ type python
python is hashed (/usr/bin/python)
If you are already in the python shell. Try anyone of these.
Note: This is an alternate way. Not the best pythonic way.
>>>
>>> import os
>>> os.popen('which python').read()
'/usr/bin/python\n'
>>>
>...