大约有 34,900 项符合查询结果(耗时:0.0542秒) [XML]
Fastest way to find second (third…) highest/lowest value in vector or column
...nother value in the order, apart from sorting the whole vector and then picking a value x from this vector.
15 Answers
...
How do I get the full path to a Perl script that is executing?
...ains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't think of a way to reliably get the fullpath+filename of the script.
...
What represents a double in sql server?
...tions). This is in contrast to the C# "decimal" data type, which is more like a 128-bit floating point number.
MSSQL's float type is equivalent to the 64-bit double type in .NET. (My original answer from 2011 said there could be a slight difference in mantissa, but I've tested this in 2020 and they...
How to copy Docker images from one host to another without using a repository
How do I transfer a Docker image from one machine to another one without using a repository, no matter private or public?
1...
Read-only list or unmodifiable list in .NET 4.0
From what I can tell, .NET 4.0 still lacks read-only lists. Why does the framework still lack this functionality? Isn't this one of the commonest pieces of functionality for domain-driven design ?
...
How do I detect the Python version at runtime? [duplicate]
...sions < 3.x and >= 3.x. Is there a way to introspect the Python runtime to know the version which it is running (for example, 2.6 or 3.2.x )?
...
How to compare two colors for similarity/difference
... to a variable color, and with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program.
...
Java 32-bit vs 64-bit compatibility
Will Java code built and compiled against a 32-bit JDK into 32-bit byte code work in a 64-bit JVM? Or does a 64-bit JVM require 64-bit byte code?
...
Remove characters except digits from string using Python?
...a12333bb445bb54b5b52'
>>> import string
>>> all=string.maketrans('','')
>>> nodigs=all.translate(all, string.digits)
>>> x.translate(all, nodigs)
'1233344554552'
>>>
string.maketrans makes a translation table (a string of length 256) which in this case...
Threading pool similar to the multiprocessing Pool?
Is there a Pool class for worker threads , similar to the multiprocessing module's Pool class ?
9 Answers
...
