numbers

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creating a new column to indicate variable number of each unique animal

I need to change the format of my current data by creating a new column as \"tnum\"(first column)to indicate trait/variable numbers and the last column \"tval\" to indicate each trait value.[详细]

2023-03-31 08:23 分类：问答
Why is 08 not a valid integer literal in Java?

Why is 08 consider开发者_如何学Pythoned an out of range int but 07 and below are not?In Java and several other languages, an integer literal beginning with 0 is interpreted as an octal (base 8) quanti[详细]

2023-03-31 01:21 分类：问答
Java random number with high probability

I have an array char[] Select ={\'A\',\'B\',\'C\',\'D\',\'E\',\'F\',\'G\',\'H\',\'I\',\'J\'} and each element in this array has different probability to be selected. For example,[详细]

2023-03-30 21:20 分类：问答
How to find out the total number of connections to an Activemq broker?

I\'m using ActiveMQ 5.3.2. My app is a distributed system that creates lots of connections to the AMQ broker. Right now, my app occasionally runs into issues such as the producer stops producing messa[详细]

2023-03-30 16:28 分类：问答
Detect if an array contains integer or double

I\'m working on a project that requires me to have a string representation of an array. The problem is having this duplicated code, that I\'m sure can be refactored in some way, but I haven\'t found o[详细]

2023-03-30 08:41 分类：问答
Algorithm in C - playing with numbers - number with 3 in units place

I came across this question in an interview. Any number with 3 in its units position has at least one multiple containing all ones. For instance, a multiple of 3 is 111, a multiple of 13 is 111111. G[详细]

2023-03-29 16:36 分类：问答
Format numbers in JavaScript similar to C#

Is there a simple way to format numbers in JavaScript, s开发者_开发技巧imilar to the formatting methods available in C# (or VB.NET) via ToString(\"format_provider\") or String.Format()?Generally[详细]

2023-03-29 14:20 分类：问答
Android: drawable resource with numbers. Is it possible?

I would like to know if i can, somehow, create a drawable resource (png for example) called 787.png. Because Eclipse wont let me compile the project unless i modify it.[详细]

2023-03-28 23:36 分类：问答
Check what number a string ends with in Python

S开发者_运维技巧uch as \"example123\" would be 123, \"ex123ample\" would be None, and \"123example\" would be None. You can use regular expressions from the re module:[详细]

2023-03-28 18:56 分类：问答
Is there a way to round a decimal place to the nearest whole in javascript?

I have a number with decimal places and I am wondering if it\'开发者_JS百科s possible to round the decimal to the nearest whole using javascript?[详细]

2023-03-28 09:11 分类：问答