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How can I read inputs as numbers?
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Solution
To answer your question, since Python 3.x doesn't evaluate and convert the data type, you have to explicitly convert to ints, with int, like this
x = int(input("Enter a number: "))
y = int(input("Enter a number: "))
You can accept numbers of any base and convert them directly to base-...
Is an array name a pointer?
... is an array and a pointer is a pointer, but in most cases array names are converted to pointers. A term often used is that they decay to pointers.
Here is an array:
int a[7];
a contains space for seven integers, and you can put a value in one of them with an assignment, like this:
a[3] = 9;
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Converting Integer to Long
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No, you can't cast Integer to Long, even though you can convert from int to long. For an individual value which is known to be a number and you want to get the long value, you could use:
Number tmp = getValueByReflection(inv.var1(), classUnderTest, runtimeInstance);
Long value1 =...
一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
一文了解大数据领域创业的机会与方向跨界和融合是大数据思维里最重要的一环，大数据就像是钱一样，你得让它流动起来才能产生价值。在这篇大数据行业的SWOT分析文章中，也许可以找到你想了解的大数据行业创业环境、问...
如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
如何建立一套适合自己的高胜算交易系统这个交易系统是非机械的，适合你自己个性的，有完善的交易思想、细致的市场分析和整体操作方案的，在风险市场的赢家都有自已的交易系统，因...这个交易系统是非机械的，适合你自...
How do I convert hex to decimal in Python? [duplicate]
I have some Perl code where the hex() function converts hex data to decimal. How can I do it on Python ?
3 Answers
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How to convert int to QString?
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Moreover to convert whatever you want, you can use QVariant.
For an int to a QString you get:
QVariant(3).toString();
A float to a string or a string to a float:
QVariant(3.2).toString();
QVariant("5.2").toFloat();
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Convert Long into Integer
How to convert a Long value into an Integer value in Java?
14 Answers
14
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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?
... provided by Serhiy Storchaka. It works very well so I paste it here:
def convert(o):
if isinstance(o, numpy.int64): return int(o)
raise TypeError
json.dumps({'value': numpy.int64(42)}, default=convert)
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