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Array or List in Java. Which is faster?
I have to keep thousands of strings in memory to be accessed serially in Java. Should I store them in an array or should I use some kind of List ?
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How can I avoid running ActiveRecord callbacks?
... its not working for me. I am using rails 3. i am getting an error like this:--undefined method `update_without_callbacks' for #<User:0x10ae9b848>
– Mohit Jain
Oct 18 '10 at 4:17
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Difference between fold and reduce?
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Why define reduce such that it can error at runtime?
– Fresheyeball
Feb 6 '16 at 23:40
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How to add “active” class to Html.ActionLink in ASP.NET MVC
...ges, it would be smart to have a way to apply that selected class automatically based on the current page rather than copy the menu multiple times and do it manually.
The easiest way is to simply use the values contained in ViewContext.RouteData, namely the Action and Controller values. We could b...
Git error on git pull (unable to update local ref)
I only have branch master and im getting this error every time i try to "git pull":
18 Answers
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When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
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select 1
create procedure #Zero as
return 0
On SQL Server 2000 the error is:
Msg 111, Level 15, State 1, Line 3
'CREATE PROCEDURE' must be the first statement in a query batch.
Msg 178, Level 15, State 1, Line 4
A RETURN statement with a return value cannot be used in this context.
On SQL...
JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti
I am getting the following error when trying to get a JSON request and process it:
14 Answers
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Lambda function in list comprehensions
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The first one creates a single lambda function and calls it ten times.
The second one doesn't call the function. It creates 10 different lambda functions. It puts all of those in a list. To make it equivalent to the first you need:
[(lambda x: x*x)(x) for x in range(10)]
Or b...
Getting full JS autocompletion under Sublime Text
...tocomplete (compared to my other plugin JavaScript Completions), real-time errors, code refactoring and also a lot of features about creating, developing and managing javascript projects.
See the Wiki to know all the features that it offers!
An introduction to this plugin could be found in this cs...
What is object serialization?
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@FranciscoCorralesMorales - Behind the scenes, all data will be serialized before it is sent over a stream. How much you need to do, and what format it will be in, are both dependent on which platform and libraries you are using.
– TarkaDaal
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