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Java: Integer equals vs. ==
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The JVM is caching Integer values. Hence the comparison with == only works for numbers between -128 and 127.
Refer: #Immutable_Objects_.2F_Wrapper_Class_Caching
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A Java collection of value pairs? (tuples?)
I like how Java has a Map where you can define the types of each entry in the map, for example <String, Integer> .
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Algorithm to find top 10 search terms
... preparing for an interview, and it reminded me of a question I was once asked in a previous interview that went something like this:
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How do I convert a dictionary to a JSON String in C#?
...ert my Dictionary<int,List<int>> to JSON string. Does anyone know how to achieve this in C#?
13 Answers
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
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Why is MATLAB so fast in matrix multiplication?
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Can I bind an array to an IN() condition?
I'm curious to know if it's possible to bind an array of values to a placeholder using PDO. The use case here is attempting to pass an array of values for use with an IN() condition.
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How can I install an older version of a package via NuGet?
I want to install an older version of a package ( Newtonsoft.Json ). But NuGet rolls back:
5 Answers
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Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
We all know you can't do the following because of ConcurrentModificationException :
26 Answers
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Count the number occurrences of a character in a string
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How can I debug my JavaScript code? [closed]
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Liam
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answered Jun 12 '09 at 18:51
Ryan OberoiRyan ...