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What are the differences between the different saving methods in Hibernate?
...g of the methods. Mainly these are based on the API though as I don't use all of these in practice.
saveOrUpdate
Calls either save or update depending on some checks. E.g. if no identifier exists, save is called. Otherwise update is called.
save
Persists an entity. Will assign an identifier if...
PHP - Get key name of array value
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array_filter() can be used if you need to return all matching results instead of just the first matching one, as it preserves keys.
– Mike Lyons
Nov 27 '14 at 1:40
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Android - Activity vs FragmentActivity? [duplicate]
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ianhanniballake is right. You can get all the functionality of Activity from FragmentActivity. In fact, FragmentActivity has more functionality.
Using FragmentActivity you can easily build tab and swap format. For each tab you can use...
Auto-size dynamic text to fill fixed size container
...xt into a fixed size div. What i want is for the font size to be automatically adjusted so that the text fills the box as much as possible.
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Is it worthwile to learn assembly language? [closed]
...end it as a good introduction to the language itself -- although for the really interesting stuff you have to hunt out obsessives on the net.
I think it's useful to understand what happens at the lower levels. As you research assembler you will learn about cpu pipelining, branch prediction, cache a...
Node.js setting up environment specific configs to be used with everyauth
I am using node.js + express.js + everyauth.js. I have moved all my everyauth logic into a module file
9 Answers
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What is the use case of noop [:] in bash?
... to do.
while keep_waiting; do
: # busy-wait
done
The : builtin dates all the way back to the Thompson shell, it was present in Unix v6. : was a label indicator for the Thompson shell's goto statement. The label could be any text, so : doubled up as a comment indicator (if there is no goto comm...
The 'Access-Control-Allow-Origin' header contains multiple values
...rties.Settings.Default.Cors, "", ""))
as well as
app.UseCors(CorsOptions.AllowAll);
on the server. This results in two header entries. Just use the latter one and it works.
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...er using the binary protocol. In other words, the same PDO code will be equally vulnerable (or not-vulnerable) to injection attacks regardless of your EMULATE_PREPARES setting. The only difference is where the parameter replacement occurs--with EMULATE_PREPARES, it occurs in the PDO library; without...
How can I echo HTML in PHP?
I want to conditionally output HTML to generate a page, so what's the easiest way to echo multiline snippets of HTML in PHP 4+? Would I need to use a template framework like Smarty?
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