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What is boxing and unboxing and what are the trade offs?
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191
Boxed values are data structures that are minimal wrappers around primitive types*. Boxed val...
How to change int into int64?
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186
This is called type conversion :
i := 23
var i64 int64
i64 = int64(i)
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Java Synchronized Block for .class
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144
The snippet synchronized(X.class) uses the class instance as a monitor. As there is only one c...
How to include “zero” / “0” results in COUNT aggregate?
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102
You want an outer join for this (and you need to use person as the "driving" table)
SELECT pe...
How can I do time/hours arithmetic in Google Spreadsheet?
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11 Answers
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Can't access RabbitMQ web management interface after fresh install
I've installed the latest RabbitMQ server (rabbitmq-server-3.3.0-1.noarch.rpm) on a fresh Centos 5.10 VM according to the instructions on the official site.
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Visual studio long compilation when replacing int with double
My copy of VS2013 Ultimate compiles this code for 60+ seconds:
2 Answers
2
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Converting dict to OrderedDict
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218
You are creating a dictionary first, then passing that dictionary to an OrderedDict. For Python...