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Is there a way to make R beep/play a sound at the end of a script?
...thought I'd ask here since this page has a lot of visibility: can beepr be called from options, i.e. options(error=beepr(sound=9)) ? Calling it after a successful run is useful U& i'll use it, but also it'd be great to call it if the code crashes... Cheers!
– dez93_2000
...
Copy folder recursively in node.js
...
I got some simple cases where ncp does not go in my callback where fs-extra correctly does.
– bumpmann
Nov 3 '16 at 22:14
44
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How to output MySQL query results in CSV format?
...om/rx/1475/save-mysql-query-results-into-a-text-or-csv-file/
SELECT order_id,product_name,qty
FROM orders
WHERE foo = 'bar'
INTO OUTFILE '/var/lib/mysql-files/orders.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n';
Using this command columns names will not be exported.
Als...
Why can't we have static method in a (non-static) inner class?
...it static, but some of its methods are just utility functions. Why can't I call A.B.sync(X) or even (from within A) B.sync(x)?
– Edward Falk
Nov 11 '15 at 19:00
...
Make a Bash alias that takes a parameter?
...create a function.
alias does not accept parameters but a function can be called just like an alias. For example:
myfunction() {
#do things with parameters like $1 such as
mv "$1" "$1.bak"
cp "$2" "$1"
}
myfunction old.conf new.conf #calls `myfunction`
By the way, Bash functions de...
What does “coalgebra” mean in the context of programming?
...lass Functor f ⇒ Algebra f τ where
op ∷ f τ → τ
This is often called an "F-algebra" because it's determined by the functor F. If we could partially apply typeclasses, we could define something like class Monoid = Algebra MonoidArgument.
Coalgebras
Now, hopefully you have a good grasp...
Can constructors throw exceptions in Java?
...to be careful of about throwing exceptions in the constructor: because the caller (usually) will have no way of using the new object, the constructor ought to be careful to avoid acquiring unmanaged resources (file handles etc) and then throwing an exception without releasing them. For example, if t...
How do I change the title of the “back” button on a Navigation Bar
...
This should be placed in the method that calls the ViewController titled "NewTitle".
Right before the push or popViewController statement.
UIBarButtonItem *newBackButton =
[[UIBarButtonItem alloc] initWithTitle:@"NewTitle"
...
Representational state transfer (REST) and Simple Object Access Protocol (SOAP)
...rmation, over the Internet. SOAP messages are formatted in XML and are typically sent using HTTP (hypertext transfer protocol).
Rest - Representational state transfer
Rest is a simple way of sending and receiving data between client and server and it doesn't have very many standards defined. You...
What is the rationale for fread/fwrite taking size and count as arguments?
...implemented.
The Single UNIX Specification says
For each object, size calls shall be
made to the fgetc() function and the
results stored, in the order read, in
an array of unsigned char exactly
overlaying the object.
fgetc also has this note:
Since fgetc() operates on bytes,
rea...