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Why does python use 'else' after for and while loops?
I understand how this construct works:
21 Answers
21
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What happens if you don't commit a transaction to a database (say, SQL Server)?
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As long as you don't COMMIT or ROLLBACK a transaction, it's still "running" and potentially holding locks.
If your client (application or user) closes the connection to the database before committing, any still running transactions will be rolled back...
subtle differences between JavaScript and Lua [closed]
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Some more differences:
Lua has native support for coroutines.
UPDATE: JS now contains the yield keyword inside generators, giving it support for coroutines.
Lua doesn't convert between types for any comparison operators. In JS...
scp with port number specified
I'm trying to scp a file from a remote server to my local machine. Only port 80 is accessible.
11 Answers
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AngularJS and its use of Dollar Variables
...cross $scope.$value and $scope.value , then it will avoid checking the former since it's prefixed with a dollar character in its variable name?
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What is a 'multi-part identifier' and why can't it be bound?
I continually get these errors when I try to update tables based on another table. I end up rewriting the query, change the order of joins, change some groupings and then it eventually works, but I just don't quite get it.
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How to get the Power of some Integer in Swift language?
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If you like, you could declare an infix operator to do it.
// Put this at file level anywhere in your project
infix operator ^^ { associativity left precedence 160 }
func ^^ (radix: Int, power: Int) -> Int {
return Int(pow(Double(radix), Double(power)))
}
// ......
When should I use a List vs a LinkedList
...answer. As I was
learning I did some tests and felt like sharing them.
Original answer...
I found interesting results:
// Temporary class to show the example
class Temp
{
public decimal A, B, C, D;
public Temp(decimal a, decimal b, decimal c, decimal d)
{
A = a; ...
Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
I have been googling for about 90 minutes now and still don't have an answer to this. Where do I set default_url_options ? I've already set it for config.action_mailer.default_url_options to solve this same bug elsewhere, but now I'm getting this error when trying to use a URL helper inside an ...
How to get the filename without the extension in Java?
...ave thought of all special cases, such as what happens if you pass in null or dots in the path but not in the filename, you can use the following:
import org.apache.commons.io.FilenameUtils;
String fileNameWithOutExt = FilenameUtils.removeExtension(fileNameWithExt);
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