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When should I use double or single quotes in JavaScript?
...ariable interpolation, multi-line strings, and more.
Note that JSON is formally specified to use double quotes, which may be worth considering depending on system requirements.
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Post Build exited with code 1
... a fine solution since we can see the log for actual issue if anything actually occurs.
– Naveen Kumar V
Sep 2 at 15:46
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Reverse a string in Python
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@Tanner [::-1] is fastest because it does not call any external functions, rather it's using slicing, which is highly-optimized in python. ''.join(list(reversed(s))) makes 3 function calls.
– hd1
Apr 27 at 13:51
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Call by name vs call by value in Scala, clarification needed
As I understand it, in Scala, a function may be called either
16 Answers
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jQuery document.ready vs self calling anonymous function
....ready(function(){ ... }); or short $(function(){...});
This Function is called when the DOM is ready which means, you can start to query elements for instance. .ready() will use different ways on different browsers to make sure that the DOM really IS ready.
(function(){ ... })();
That is nothing ...
Why 0 is true but false is 1 in the shell?
The above will output 1 , which is contradictory with all other programming languages I know.
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How to write to Console.Out during execution of an MSTest test
...with a file upload feature in our web application. It only happens occasionally and without any special pattern. We have been trying to figure it out for a long time, adding debug information anywhere we can think it might help, crawling the logs etc, but we have not been able to reproduce or figure...
C++ performance vs. Java/C#
...p of a virtual machine which abstracts away the native architecture. Logically it would seem impossible for Java or C# to match the speed of C++ because of this intermediate step, however I've been told that the latest compilers ("hot spot") can attain this speed or even exceed it.
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Why would you use an ivar?
I usually see this question asked the other way, such as Must every ivar be a property? (and I like bbum's answer to this Q).
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SignalR: Why choose Hub vs. Persistent Connection?
...persistent connections.
From the highly up-voted comment below:
Partially correct. You can get topics or groups in persistent connections as well. The big difference is dispatching different types of messages. For example you have different kinds of messages and you want to send different kind...