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Scraping html tables into R data frames using the XML package
...rary(XML)
library(RCurl)
library(rlist)
theurl <- getURL("https://en.wikipedia.org/wiki/Brazil_national_football_team",.opts = list(ssl.verifypeer = FALSE) )
tables <- readHTMLTable(theurl)
tables <- list.clean(tables, fun = is.null, recursive = FALSE)
n.rows <- unlist(lapply(tables, fun...
How to add text at the end of each line in Vim?
... on all lines as soon as you press Esc.
So this is a possible solution:
vip<C-V>$A,<Esc>
That is, in Normal mode, Visual select a paragraph vip, switch to Visual block mode CTRLV, append to all lines $A a comma ,, then press Esc to confirm.
The documentation is at :h v_b_A. There is...
How do I restart a service on a remote machine in Windows? [closed]
... since the sc command works asyncronously, if you need to script a service restart, take a look at the batch scripts I posted here: stackoverflow.com/questions/1405372/…
– Eric Falsken
Jun 11 '10 at 20:34
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What is the difference between HTTP and REST?
... simplifies application design.
HTTP is itself a stateless protocol unlike TCP and thus RESTful Web Services work seamlessly with the HTTP protocols.
Disadvantages of Statelessness:
One extra layer in the form of heading needs to be added to every request to preserve the client's state.
For se...
error_log per Virtual Host?
On one Linux Server running Apache and PHP 5, we have multiple Virtual Hosts with separate log files. We cannot seem to separate the php error_log between virtual hosts.
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How to use ADB Shell when Multiple Devices are connected? Fails with “error: more than one device an
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For an emulator, you use the IP and port as the id, e.g.: adb -s 192.168.56.101:5555 shell
– Jason Hartley
Dec 29 '15 at 23:31
2
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How do I make HttpURLConnection use a proxy?
...oxy instance to the openConnection(proxy) method:
//Proxy instance, proxy ip = 10.0.0.1 with port 8080
Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("10.0.0.1", 8080));
conn = new URL(urlString).openConnection(proxy);
If your proxy requires authentication it will give you respons...
Linux command to print directory structure in the form of a tree
Is there any linux command that I can call from a Bash script that will print the directory structure in the form of a tree, e.g.,
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Right query to get the current number of connections in a PostgreSQL DB
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Number of TCP connections will help you. Remember that it is not for a particular database
netstat -a -n | find /c "127.0.0.1:13306"
share
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Change Oracle port from port 8080
How do I change Oracle from port 8080? My Eclipse is using 8080, so I can't use that.
8 Answers
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