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Check if null Boolean is true results in exception
...equire including an external library.)
Don't reinvent the wheel. Leverage what's already been built and use isTrue():
BooleanUtils.isTrue( bool );
Checks if a Boolean value is true, handling null by returning false.
If you're not limited to the libraries you're "allowed" to include, there are ...
Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC
What are the main benefits of using CBAC vs. RBAC ? When is it better to use CBAC and when is it better to use RBAC?
11...
Lock Escalation - What's happening here?
...BLE, then second GO. So, LOCK_ESCALATION is set after the column is added. What's the point of setting it after the fact? These two ALTER TABLE statements are wrapped in a transaction, but still the column is added before the LOCK_ESCALATION is set. I think I'll dig a bit further and write another a...
What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
...e the CFBundleShortVersionString is optional and when it is set it changes what the CFBundleVersion is used for. If only including CFBundleVersion then it must be the public version number, e.g. 1.0. However if both the CFBundleVersion and CFBundleShortVersionString are set then the CFBundleShortVer...
What is the difference between SessionState and ViewState?
What is the difference between SessionState and ViewState in ASP.NET?
5 Answers
5
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What is the use of a private static variable in Java?
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What is necessary of accessing as ClassName.var_nam ? Where i can access it directly : var_nam within class
– Vaibhav Jani
Sep 2 '11 at 6:35
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In what order do static/instance initializer blocks in Java run?
...ontains several classes, each of which has a static initializer block. In what order do those blocks run? I know that within a class, such blocks are run in the order they appear in the code. I've read that it's the same across classes, but some sample code I wrote disagrees with that. I used th...
What are C++ functors and their uses?
...hearing a lot about functors in C++. Can someone give me an overview as to what they are and in what cases they would be useful?
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Why is a combiner needed for reduce method that converts type in java 8
... an Integer in your case, so passing it 0 is fine.
Another way to achieve what you want :
int length = asList("str1", "str2").stream().mapToInt (s -> s.length())
.reduce(0, (accumulatedInt, len) -> accumulatedInt + len);
Here the type of the stream matches the return type of re...
Why doesn't java.util.Set have get(int index)?
...d ordered AND unique data) and he suggested the SortedSet, but this is not what Marty Pitt really needed.
This "IndexedSet" is NOT the same as a SortedSet - in a SortedSet the elements are sorted by using a Comparator (or using their "natural" ordering).
But instead it is closer to a LinkedHashSet...