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Best way to change the background color for an NSView
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mohsenrmohsenr
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Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
I have an error message on django 1.4:
12 Answers
12
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Difference between len() and .__len__()?
...t recent call last):
File "<stdin>", line 1, in <module>
TypeError: 'str' object cannot be interpreted as an integer
When you see a call to the len built-in, you're sure that, if the program continues after that rather than raising an exception, the call has returned an integer, non-...
Spring MVC: How to perform validation?
...ModelAttribute("user") User user, BindingResult result){
if (result.hasErrors()){
// do something
}
else {
// do something else
}
}
Notice the @Valid : if the user happens to have a null name, result.hasErrors() will be true.
Method 2 : If you have complex validation (...
In mocha testing while calling asynchronous function how to avoid the timeout Error: timeout of 2000
...While calling many asynchronous functions using mocha, I'm getting timeout error ( Error: timeout of 2000ms exceeded. ). How can I resolve this?
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AngularJS 1.2 $injector:modulerr
... module is missing, use the not minified angular.js which gives a readable error message:"Error: [$injector:nomod] Module 'ngRoute' is not available! You either misspelled the module name or forgot to load it. If registering a module ensure that you specify the dependencies as the second argument."
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Error in plot.new() : figure margins too large, Scatter plot
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Every time you are creating plots you might get this error - "Error in plot.new() : figure margins too large". To avoid such errors you can first check par("mar") output. You should be getting:
[1] 5.1 4.1 4.1 2.1
To change that write:
par(mar=c(1,1,1,1))
This should re...
Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements. Previ
...ming is still in the original transaction, only mayhem can ensure (and the error you get is the way the engine tries to protect itself).
I recommend you go over Exception handling and nested transactions which shows a pattern that can be used with nested transactions and exceptions:
create procedu...
Best Practice - NSError domains and codes for your own project/app
There is a previous SO post regarding setting up error domains for your own frameworks, but what is the best practice regarding setting up error domains and custom error codes for your own project/app ?
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What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
...stdout should be used for actual program output, while all information and error messages should be printed to stderr, so that if the user redirects output to a file, information messages are still printed on the screen and not to the output file.
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