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How to assign from a function which returns more than one value?
...ionReturningTwoValues()[[2]] would be sufficient.)
See the cited r-help thread for more examples.
(2) with If the intent is merely to combine the multiple values subsequently and the return values are named then a simple alternative is to use with :
myfun <- function() list(a = 1, b = 2)
lis...
Creating a daemon in Linux
...fork())
Because PID != SID our process can't take control of a TTY again
Reading the syslog:
Locate your syslog file. Mine is here: /var/log/syslog
Do a: grep firstdaemon /var/log/syslog
The output should be similar to this one:
firstdaemon[3387]: First daemon started.
firstdaemon[3387]: ...
What is the difference between String.slice and String.substring?
...y, and/or looking for short answer scroll to the bottom of the answer, and read the last two lines.if Not in a hurry read the whole thing.let me start by stating the facts:
Syntax:
string.slice(start,end)
string.substr(start,length)
string.substring(start,end)
Note #1: slice()==substring()
What it...
Determining Whether a Directory is Writeable
...ss:
os.access('/path/to/folder', os.W_OK) # W_OK is for writing, R_OK for reading, etc.
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How do I get the result of a command in a variable in windows?
...ne numbers from the file
rem ---------
rem This is the file that is being read: You can replace this with %1 for dynamic behaviour or replace it with some command like the first example i gave with the 'CD' command.
set _readfile=test.txt
for /f "usebackq tokens=2 delims=:" %%a in (`find /c /v "" ...
SQL JOIN - WHERE clause vs. ON clause
After reading it, this is not a duplicate of Explicit vs Implicit SQL Joins .
The answer may be related (or even the same) but the question is different.
...
Doing a cleanup action just before Node.js exits
...
@RobFox resume() initializes reading process. Stdin is paused by default. You can read more on : github.com/joyent/node/blob/…
– Emil Condrea
Feb 5 '14 at 12:08
...
How to clone all repos at once from GitHub?
...g]/repos?per_page=200 | ruby -rubygems -e 'require "json"; JSON.load(STDIN.read).each { |repo| %x[git clone #{repo["ssh_url"]} ]}'
Replace [your_org] with your organization's name. And set your per_page if necessary.
UPDATE:
As ATutorMe mentioned, the maximum page size is 100, according to the G...
When would you use delegates in C#? [closed]
...e days I use delegates for:
Event handlers (for GUI and more)
Starting threads
Callbacks (e.g. for async APIs)
LINQ and similar (List.Find etc)
Anywhere else where I want to effectively apply "template" code with some specialized logic inside (where the delegate provides the specialization)
...
How to run a shell script in OS X by double-clicking?
...ed to have execution permission (chmod +x) but the .command extension is already linked with Terminal. Great solution, thank you
– NorTicUs
May 22 '14 at 9:56
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