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How to solve the “failed to lazily initialize a collection of role” Hibernate exception
...ee all Comments every time you retrieve a Topic then change your field mapping for comments to:
@OneToMany(fetch = FetchType.EAGER, mappedBy = "topic", cascade = CascadeType.ALL)
private Collection<Comment> comments = new LinkedHashSet<Comment>();
Collections are lazy-loaded by defaul...
Django template how to look up a dictionary value with a variable
The regular way to lookup a dictionary value in a Django template is {{ mydict.key1 }} , {{ mydict.key2 }} . What if the key is a loop variable? ie:
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Difference between natural join and inner join
What is the difference between a natural join and an inner join?
11 Answers
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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.RemoveMe) someLi...
Why does Lua have no “continue” statement?
I have been dealing a lot with Lua in the past few months, and I really like most of the features but I'm still missing something among those:
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What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
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It depends on whether you're using a log command or a diff command. In the log case, it's in the man git-rev-parse documentation:
To exclude commits reachable from a commit, a prefix ^ notation is used. E.g. ^r1 r2 means commits reachable from r2 but e...
Expansion of variables inside single quotes in a command in Bash
I want to run a command from a bash script which has single quotes and some other commands inside the single quotes and a variable.
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Which Visual C++ file types should be committed to version control?
...l Studio \ Visual C++ file types should be committed to version control?
In my project I have the following file types:
8...
Join/Where with LINQ and Lambda
I'm having trouble with a query written in LINQ and Lambda. So far, I'm getting a lot of errors here's my code:
9 Answers
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Managing large binary files with Git
I am looking for opinions of how to handle large binary files on which my source code (web application) is dependent. We are currently discussing several alternatives:
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