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Deprecated warning for Rails 4 has_many with order
I have this model in my rails app which throws warning when I try to create records in console.
5 Answers
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Fetch first element which matches criteria
How to get first element that matches a criteria in a stream? I've tried this but doesn't work
3 Answers
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Difference between abstraction and encapsulation?
...nt than other information, but (correctly) does not specify a specific mechanism for handling the unimportant information."
– Chiel ten Brinke
Jan 4 '16 at 9:36
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How to write trycatch in R
...EN\">"
[2] "<html><head><title>R: Functions to Manipulate Connections</title>"
[3] "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">"
[4] "<link rel=\"stylesheet\" type=\"text/css\" href=\"R.css\">"
[5] "</head...
Spring - @Transactional - What happens in background?
...ct, the calls are intercepted and the behaviors injected via the proxy mechanism.
Transactions in EJB work similarly, by the way.
As you observed, through, the proxy mechanism only works when calls come in from some external object. When you make an internal call within the object, you're really ...
Change private static final field using Java reflection
...ter each modification of a final field via reflection or other special mechanism.
Even then, there are a number of complications. If a final field is initialized to a compile-time constant in the field declaration, changes to the final field may not be observed, since uses of that final field are re...
callback to handle completion of pipe
I am using the following node.js code to download documents from some url and save it in the disk.
I want to be informed about when the document is downloaded. i have not seen any callback with pipe.Or, Is there any 'end' event that can be captured on completion of download ?
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What is an unsigned char?
...ory be for example 32 bits. sizeof would still be report its size as 1 - meaning that you could have sizeof (char) == sizeof (long) == 1.
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How create table only using tag and Css
I want to create table only using <div> tag and CSS.
8 Answers
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Change default global installation directory for node.js modules in Windows?
In my windows installation PATH includes C:\Program Files\nodejs , where executable node.exe is. I'm able to launch node from the shell, as well as npm . I'd like new executables to be installed in C:\Program Files\nodejs as well, but it seems impossible to achieve.
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