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Getting exact error type in from DbValidationException
...onException)ex).EntityValidationErrors
This will allow you to drill down into the ValidationErrors tree. It's the easiest way I've found to get instant insight into these errors.
For Visual 2012+ users who care only about the first error and might not have a catch block, you can even do:
((Syste...
Can I incorporate both SignalR and a RESTful API?
I have a single page web app developed using ASP.NET. I recently converted many of the web methods to be push based, using the SignalR library. This really sped up the page considerably and reduced a lot of the server calls from the page.
...
Init method in Spring Controller (annotation version)
I'm converting a controller to the newer annotation version. In the old version I used to specify the init method in springmvc-servlet.xml using:
...
How to force use of overflow menu on devices with menu button
I'd like to have all of the menu items that don't fit into the ActionBar go into the overflow menu (the one that is reached from the Action Bar not the menu button) even on devices that do have a Menu button . This seems much more intuitive for users than throwing them into a separate menu list th...
POST request send json data java HttpUrlConnection
I have developed a java code that convert the following cURL to java code using URL and HttpUrlConnection.
the curl is :
5...
What is the preferred syntax for defining enums in JavaScript?
... I'd like to point out that doing ({ monday: {}, etc. means that if you convert that object to JSON via stringify you'll get [{"day": {}}] which isn't gonna work.
– jcollum
Feb 1 '13 at 0:20
...
How to parameterize @Scheduled(fixedDelay) with Spring 3.0 expression language?
...
I guess you can convert the value yourself by defining a bean. I haven't tried that, but I guess the approach similar to the following might be useful for you:
<bean id="FixedDelayLongValue" class="java.lang.Long"
factory-method="v...
.NET JIT potential error?
...nt to 4, that's too many calls to unroll.
One workaround is this:
for (int x = 0; x < 2; x++) {
for (int y = 0; y < 2; y++) {
oDoesSomething.Do(new IntVec(x, y));
}
}
UPDATE: re-checked in August 2012, this bug was fixed in the version 4.0.30319 jitter. But is still pres...
Polymorphism with gson
...e adapters for the derived classes: just one adapter for the base class or interface, provided of course that you are happy with the default serialization of the derived classes. Anyway, here's the code (package and imports removed) (also available in github):
The base class (interface in my case):...
Why does std::getline() skip input after a formatted extraction?
...ward the next line. The newline is left in the buffer after the extraction into name until the next I/O operation where it is either discarded or consumed. When the flow of control reaches std::getline(), the newline will be discarded, but the input will cease immediately. The reason this happens is...