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How to solve the “failed to lazily initialize a collection of role” Hibernate exception
... file like this(instead of getting it in your controller):
<c:forEach items="topic.comments" var="item">
//some code
</c:forEach>
You would still have the same exception for the same reason.
Solving the problem:
Because you just can have only two collections with the FetchType.Eage...
Should URL be case sensitive?
...rally" in a lot of cases, most actually, servers are setup to handle these items the same, but it is possible to set them up so they are NOT handled the same.
Different servers handle this differently and in some cases they Have to be case sensitive. In many cases query string values are encoded (...
Relational table naming convention [closed]
...r on Customer_Add_tr
Foreign Keys (the constraint, not the column). The best naming for a FK is to use the Verb Phrase (minus the "each" and the cardinality).
Customer_Initiates_SalesOrder_fk
Part_Comprises_Component_fk
Part_IsConsumedIn_Assembly_fk
Use the Parent_Child_fk sequence, not Child...
Declaring variables inside loops, good practice or bad practice?
...ore detail, that is ultimately for the compiler to decide, based on what's best for the platform, optimization levels, etc. An ordinary int/float inside a loop will usually be placed on the stack. A compiler can certainly move that outside of the loop and reuse the storage if there is an optimizatio...
How to use the IEqualityComparer
...le:
list of Class_reglement distinct by Numf
List<Class_reglement> items = items.Distinct(new Class_reglementComparer());
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The Guava library: What are its most useful and/or hidden features? [closed]
...lying the function to each. So with a function that retrieves the ID of an item, you can index a list of items by their ID in one line.
The functional stuff it provides... filter, transform, etc. Despite the verbosity of using classes for Functions and Predicates, I've found this useful. I give an e...
Array versus linked-list
...
How are items of different sizes treated any differently? A linked list either uses a fixed struct with a next field (requires fixed size), or stores a pointer to the data in the car (variable size OK). Both approaches are just as ...
Format floats with standard json module
...ance(obj, dict):
return dict((k, pretty_floats(v)) for k, v in obj.items())
elif isinstance(obj, (list, tuple)):
return list(map(pretty_floats, obj))
return obj
print(simplejson.dumps(pretty_floats([23.67, 23.97, 23.87])))
emits
[23.67, 23.97, 23.87]
No monkeypatching ...
How to determine when Fragment becomes visible in ViewPager
...you mean, since only one fragment in ViewPager can actually place its menu items together with parent activity's items.
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How can the Euclidean distance be calculated with NumPy?
..., but the two sets of labels are totally different. my goal is to find the best or closest code from the second table corresponding to a fixed code in the first (I know what the answer should be from manual inspection, but want to scale up to hundreds of tables later). So the first subset is fixed; ...