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When use getOne and findOne methods Spring Data JPA
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TL;DR
T findOne(ID id) (name in the old API) / Optional<T> findById(ID id) (name in the new API) relies on EntityManager.find() that performs an entity eager loading.
T getOne(ID id) relies on EntityManager.getReference() that performs an entity lazy loading. So to ensure t...
Can you find all classes in a package using reflection?
...e:
Reflections reflections = new Reflections("my.project.prefix");
Set<Class<? extends Object>> allClasses =
reflections.getSubTypesOf(Object.class);
share
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improve this answ...
How to prevent Browser cache for php site
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try this
<?php
header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
?>
...
How can I use Google's Roboto font on a website?
...hoose the weights and character sets you need.
The page will give you a <link> element to include in your pages, and a list of sample font-family rules to use in your CSS.
Using Google's fonts this way guarantees availability, and reduces bandwidth to your own server.
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String.IsNullOrWhiteSpace in LINQ Expression
...ECLARE @p0 VarChar(1000) = ''
...
WHERE NOT (([t0].[Diameter] IS NULL) OR (LTRIM(RTRIM([t0].[Diameter])) = @p0))
and for Linq to SQL almost but not quite the same
DECLARE @p0 NVarChar(1000) = ''
...
WHERE NOT (LTRIM(RTRIM([t0].[TypeName])) = @p0)
...
Java unchecked: unchecked generic array creation for varargs parameter
...rrays plus the implicit creation of an array at the calling site. So
List<List<String>> combinations =
Utils.createCombinations(cocNumbers, vatNumbers, ibans);
is actually
List<List<String>> combinations =
Utils.createCombinations(new List<String>[]{cocNumbe...
How to sum up elements of a C++ vector?
...thods.
int sum_of_elems = 0;
C++03
Classic for loop:
for(std::vector<int>::iterator it = vector.begin(); it != vector.end(); ++it)
sum_of_elems += *it;
Using a standard algorithm:
#include <numeric>
sum_of_elems = std::accumulate(vector.begin(), vector.end(), 0);
Impor...
What's the best way to bundle static resources in a Go program? [closed]
... the back quotes to declare the string literal like this:
const html = `
<html>
<body>Example embedded HTML content.</body>
</html>
`
// Sending it:
w.Write([]byte(html)) // w is an io.Writer
Optimization tip:
Since most of the times you will only need to write the reso...
How to set TextView textStyle such as bold, italic
... Jun 1 '11 at 12:04
Tanmay MandalTanmay Mandal
37.4k1212 gold badges4949 silver badges4747 bronze badges
...
What do 'lazy' and 'greedy' mean in the context of regular expressions?
...ons.info/repeat.html we see the example of trying to match HTML tags with <.+>. Suppose you have the following:
<em>Hello World</em>
You may think that <.+> (. means any non newline character and + means one or more) would only match the <em> and the </em>, whe...