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JPA: what is the proper pattern for iterating over large result sets?
...only for Hibernate.
So it seems that using setFirstResult/setMaxResults and manual iteration really is necessary. Here's my solution using JPA:
private List<Model> getAllModelsIterable(int offset, int max)
{
return entityManager.createQuery("from Model m", Model.class).setFirstResult(o...
Strip HTML from strings in Python
...e, I'm trying to find a way to only show the contents of each HTML element and not the formatting itself. If it finds '<a href="whatever.com">some text</a>' , it will only print 'some text', '<b>hello</b>' prints 'hello', etc. How would one go about doing this?
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What is the fastest factorial function in JavaScript? [closed]
...torial function that uses big numbers to get exact result with memoization and cache as comparison
var f = [new BigNumber("1"), new BigNumber("1")];
var i = 2;
function factorial(n)
{
if (typeof f[n] != 'undefined')
return f[n];
var result = f[i-1];
for (; i <= n; i++)
f[i] = resu...
Why does .NET foreach loop throw NullRefException when collection is null?
...the answer might be obvious to some people, it is not obvious to everyone, and providing the hint that looking at the IL will tell you what the compiler is doing, helps people fish for themselves in the future.
– Robaticus
May 10 '17 at 23:36
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The type must be a reference type in order to use it as parameter 'T' in the generic type or method
I'm getting deeper into generics and now have a situation I need help with. I get a compile error on the 'Derived' class below as shown in the subject title. I see many other posts similar to this one but I'm not seeing the relationship. Can someone tell me how to resolve this?
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foreach vs someList.ForEach(){}
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There is one important, and useful, distinction between the two.
Because .ForEach uses a for loop to iterate the collection, this is valid (edit: prior to .net 4.5 - the implementation changed and they both throw):
someList.ForEach(x => { if(x....
Mockito: Stubbing Methods That Return Type With Bounded Wild-Cards
...eve the compiler has assigned the first wildcard type during the when call and then cannot confirm that the second wildcard type in the thenReturn call is the same.
It looks like thenAnswer doesn't run into this issue because it accepts a wildcard type while thenReturn takes a non-wildcard type,...
Keyboard shortcut to paste clipboard content into command prompt window (Win XP) [closed]
...re a keyboard shortcut for pasting the content of the clipboard into a command prompt window on Windows XP (instead of using the right mouse button)?
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What is “export default” in javascript?
...ello!
Update: As of June 2015, the module system is defined in §15.2 and the export syntax in particular is defined in §15.2.3 of the ECMAScript 2015 specification.
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How to use NULL or empty string in SQL
I would like to know how to use NULL and an empty string at the same time in a WHERE clause in SQL Server. I need to find records that have either null values or an empty string. Thanks.
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