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Plurality in user messages
...agreement difficulties, and end up with an even shorter, more to-the-point error message for the user as a bonus. We all know users don't read error messages anyway. The shorter they are, the more likely they are to at least glance at the text.
Or, armed with this knowledge that users don't read er...
Swift: Testing optionals for nil
... : NSString?
if xyz {
// Do something using `xyz`.
}
This produces an error:
does not conform to protocol 'BooleanType.Protocol'
You have to use one of these forms:
if xyz != nil {
// Do something using `xyz`.
}
if let xy = xyz {
// Do something using `xy`.
}
...
How to redirect output to a file and stdout
...gt;&1 | tee outfile
2>&1 redirects channel 2 (stderr/standard error) into channel 1 (stdout/standard output), such that both is written as stdout. It is also directed to the given output file as of the tee command.
Furthermore, if you want to append to the log file, use tee -a as:
pro...
NPM cannot install dependencies - Attempt to unlock something which hasn't been locked
...n my package.json file, but I'm having a lot of trouble. It keeps saying "Error: Attempt to unlock XXX, which hasn't been locked" on all my dependences. Here's one of them:
...
Git fails when pushing commit to github
...le of commits to github without problem. However, now I get the following error:
7 Answers
...
Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;
...se I had a dublicate of ´android-support-v4.jar´. When i deleted it, the error went away
– ymerdrengene
Jul 17 '14 at 13:01
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show 6 more ...
MVC 5 Seed Users and Roles
...when it comes to the line manager.AddToRole(user.Id, "AppAdmin") I get the error message "UserId not found." If you have any idea what I'm missing I'd much appreciate the information.
– Tom Regan
Feb 9 '15 at 1:36
...
How to run a hello.js file in Node.js on windows?
...le is sitting. Also added path point to the folder c:\abc\zyx\ and I get error
– Mitul
Jul 18 '11 at 19:16
What is t...
How to turn on line numbers in IDLE?
In the main shell of IDLE, errors always return a line number but the development environment doesn't even have line numbers. Is there anyway to turn on line numbers?
...
Get current AUTO_INCREMENT value for any table
...action 2;
Insert of transaction 1 is ok:
Insert of transaction 2 goes in error: Error Code: 1062. Duplicate entry '21' for key 'PRIMARY'.
A good solution would be jvdub's answer because per transaction/connection the 2 inserts will be:
Transaction 1:
insert into translation (id) values (null);
...