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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.
...
Proper way to declare custom exceptions in modern Python?
...dit: to override something (or pass extra args), do this:
class ValidationError(Exception):
def __init__(self, message, errors):
# Call the base class constructor with the parameters it needs
super(ValidationError, self).__init__(message)
# Now for your custom code...
...
What is the JUnit XML format specification that Hudson supports?
...:
<?xml version="1.0" encoding="UTF-8"?>
<testsuites disabled="" errors="" failures="" name="" tests="" time="">
<testsuite disabled="" errors="" failures="" hostname="" id=""
name="" package="" skipped="" tests="" time="" timestamp="">
<properties>...
There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
...ameter which in this case is the source SelectList.
What happened with my error was:
Because the table containing the drop down lists was in a partial view and the ViewData had been changed and no longer contained the SelectList I had referenced, the HtmlHelper (instead of throwing an error) trie...
PhantomJS failing to open HTTPS site
...use --ssl-protocol=any as you still are using encryption, but --ignore-ssl-errors=true will ignore (duh) all ssl errors, including malicious ones.
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Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
...an entity in the SSDL. If one does not map, it will trigger a compile time error:
No mapping specified for the following EntitySet/AssociationSet - (EntityName)
Another interesting fact is that it's not the kind of error that will prevent compilation. It will, indeed, generate the output clas...
WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express
...art.Data.Linq dll.
To get to that answer, I turned on IIS tracing for 500 errors. That gave a little bit of information, but the really helpful thing was in the web.config setting the <system.web><customErrors mode="Off"/></system.web> This pointed to a missing dynamically-loaded...
The model used to open the store is incompatible with the one used to create the store
...StoreWithType:NSSQLiteStoreType configuration:nil URL:storeURL options:nil error:&error])
Replace nil options with @{NSMigratePersistentStoresAutomaticallyOption:@YES, NSInferMappingModelAutomaticallyOption:@YES} (actually provided in the commented code in that method)
Here you go, have fun!
P...
How to define object in array in Mongoose schema correctly with 2d geo index
...itization.
(req, res, next) => {
// Extract the validation errors from a request.
const errors = validationResult(req);
if (!errors.isEmpty()) {
// There are errors. Render form again with sanitized values/error messages.
res.status(400).send({...
SQL Server String or binary data would be truncated
I am involved in a data migration project. I am getting the following error when I try to insert data from one table into another table (SQL Server 2005):
...