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Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
...vident in your comment:
The whole point of ceil/floor operations is to convert floats to integers!
The point of the ceil and floor operations is to round floating-point data to integral values. Not to do a type conversion. Users who need to get integer values can do an explicit conversion fo...
how to convert binary string to decimal?
I want to convert binary string in to digit
E.g
9 Answers
9
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Is unsigned integer subtraction defined behavior?
...he result of the addition is unsigned int. Then that result is implicitly converted to the type required in context, a conversion which fails because the value is not representable in the new type.
– Ben Voigt
Oct 14 '15 at 3:20
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How can I convert a datetime object to milliseconds since epoch (unix time) in Python?
I have a Python datetime object that I want to convert to unix time, or seconds/milliseconds since the 1970 epoch.
13 Ans...
Read data from SqlDataReader
... is a string, you can use .ToString(). If it is another type, you need to convert it using System.Convert.
SqlDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
string column = rdr["ColumnName"].ToString();
int columnValue = Convert.ToInt32(rdr["ColumnName"]);
}
...
LR性能指标解释 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...。
4.JMap。监控java程序是否有内存泄漏，需要配合eclipse插件或者MemoryAnalyzer来使用。
5.JProfiler。全面监控每个节点的CPU使用率、内存使用率、响应时间累计值、线程执行情况等，需要在JVM参数中进行配置。
6.Nmon。全面监控linux...
Sort a single String in Java
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No there is no built-in String method. You can convert it to a char array, sort it using Arrays.sort and convert that back into a String.
String test= "edcba";
char[] ar = test.toCharArray();
Arrays.sort(ar);
String sorted = String.valueOf(ar);
Or, when you want to dea...
Why is list initialization (using curly braces) better than the alternatives?
...on does not allow narrowing (§iso.8.5.4). That is:
An integer cannot be converted to another integer that cannot hold its value. For example, char
to int is allowed, but not int to char.
A floating-point value cannot be converted to another floating-point type that cannot hold its
value. For exam...
Convert array of integers to comma-separated string
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Pre .NET 4 string.Join(",", Array.ConvertAll(arr, i => i.ToString()))
– TPAKTOPA
Dec 12 '14 at 14:06
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Java: How to convert List to Map
... have conversation with a colleague about what would be the optimal way to convert List to Map in Java and if there any specific benefits of doing so.
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