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How can I unit test a GUI?
The calculations in my code are well-tested, but because there is so much GUI code, my overall code coverage is lower than I'd like. Are there any guidelines on unit-testing GUI code? Does it even make sense?
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Is there a way to run Python on Android?
We are working on an S60 version and this platform has a nice Python API..
23 Answers
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How to use NSJSONSerialization
...ame":"Bbb"}]
This might give you a clear picture of how to handle it:
NSError *e = nil;
NSArray *jsonArray = [NSJSONSerialization JSONObjectWithData: data options: NSJSONReadingMutableContainers error: &e];
if (!jsonArray) {
NSLog(@"Error parsing JSON: %@", e);
} else {
for(NSDictionary...
ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...If you are using ubuntu, you have to use the following steps to avoid this error(if there is no replication enabled):
run the command vim /etc/mysql/my.cnf
comment bind-address = 127.0.0.1 using the # symbol
restart your mysql server once.
Update
In Step 1, if you cannot find bind-address in th...
Error TF30063: You are not authorized to access … \DefaultCollection
...s TFS after using TFS preview and go back to using TFS preview, I get this error:
33 Answers
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Globally override key binding in Emacs
How can I set a key binding that globally overrides and takes precedence over all other bindings for that key? I want to override all major/minor mode maps and make sure my binding is always in effect.
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ArrayList vs List in C#
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Using List<T> you can prevent casting errors. It is very useful to avoid a runtime casting error.
Example:
Here (using ArrayList) you can compile this code but you will see an execution error later.
ArrayList array1 = new ArrayList();
array1.Add(1);
array1.Add...
How to clear the interpreter console?
Like most Python developers, I typically keep a console window open with the Python interpreter running to test commands, dir() stuff, help() stuff , etc.
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Can you connect to Amazon ElastiСache Redis outside of Amazon?
I'm able to connect to an ElastiCache Redis instance in a VPC from EC2 instances . But I would like to know if there is a way to connect to an ElastiCache Redis node outside of Amazon EC2 instances, such as from my local dev setup or VPS instances provided by other vendors.
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...in aggregates, but also modify the handling of divide by zero and overflow errors. This causes this solution to be a "no go" for me.
– Frédéric
Jun 4 '15 at 14:53
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