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How to get UTC timestamp in Ruby?
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time = Time.now.getutc
Rationale: In my eyes a timestamp is exactly that: A point in time. This can be accurately represented with an object. If you need anything else, a scalar value, e.g. seconds since the Unix epoch, 100-ns interval...
What's the state of the art in email validation for Rails?
...o maintain it. But it seems people still use it and look for improvements. If you are interested, please write me on the github project : hallelujah/valid_email
– Hallelujah
May 19 '14 at 9:01
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Set default CRAN mirror permanent in R
How can I set a specific CRAN mirror permanently in R?
1 Answer
1
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How can I do division with variables in a Linux shell?
...ught you were trying to operate on alphabetic characters (ie non-integer)
If you are using the Bash shell, you can achieve the same result using expression syntax:
echo $((x / y))
Or:
z=$((x / y))
echo $z
share
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How do I access this object property with an illegal name?
...= 'fred';
var_dump($x);
So, $object->{'todo-list'} is the sub-object. If you can set it like that, then you can also read it the same way:
echo $x->{'todo-list'};
Another possibility:
$todolist = 'todo-list';
echo $x->$todolist;
If you wanted to convert it to an array, which can be a li...
Clearing purchases from iOS in-app purchase sandbox for a test user
... accounts. Finally, in your tester@gmail.com inbox you will receive two verification emails from Apple to confirm both test accounts.
Say that you have a non-consumable with product ID @"Extra_Levels". Instead of writing @"Extra_Levels" in all methods (requestProduct, purchaseProduct, ...), just wri...
How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?
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Using Java 8 datetime API: LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS"))
– rsinha
Dec 14 '17 at 19:41
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Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
...am):
while(!inStream.eof()){
int data;
// yay, not end of stream yet, now read ...
inStream >> data;
// oh crap, now we read the end and *only* now the eof bit will be set (as well as the fail bit)
// do stuff with (now uninitialized) data
}
Against this:
int data;
while(inStream...
How to give ASP.NET access to a private key in a certificate in the certificate store?
I have an ASP.NET application that accesses private key in a certificate in the certificates store. On Windows Server 2003 I was able to use winhttpcertcfg.exe to give private key access to the NETWORK SERVICE account. How do I give permissions to access a Private Key in a certificate in the certifi...
Position geom_text on dodged barplot
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So is there no way to automate this? One must always specify the width?
– vashts85
May 4 '16 at 16:58
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