大约有 830 项符合查询结果（耗时：0.0280秒） [XML]
Why does integer division in C# return an integer and not a float?
...
Might be useful:
double a = 5.0/2.0;
Console.WriteLine (a); // 2.5
double b = 5/2;
Console.WriteLine (b); // 2
int c = 5/2;
Console.WriteLine (c); // 2
double d = 5f/2f;
Console.WriteLine (d); // 2.5
...
Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
...
Try this, it should work:
abc= 5
puts "%.2i" %abc >> 05
abc= 5.0
puts "%.2f" %abc >> 5.00
share
|
improve this answer
|
follow
|
...
Is Mono ready for prime time? [closed]
....
At the language level, the Mono compiler is fully compliant with the C# 5.0 language specification.
share
|
improve this answer
|
follow
|
...
ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...是在WIN98 和VC6 SP2的环境下写的，common controls DLL的版本是5.0。我已经对其在WinNT 4上进行了测试。系统要运行这些代码，它的common controls DLL的版本必须至少是4.71。但随着IE4 的发布，这已经不是问题了。(IE会夹带着这个DLL一起发布...
Multiline syntax for piping a heredoc; is this portable?
...ash version does it work ? Using bash 4.4.19 (on ubuntu 18.04.02) and bash 5.0 (docker image), I only got the second here-doc. Or maybe there's a specific option ?
– huelbois
Jul 5 '19 at 9:13
...
push_back vs emplace_back
...ap :
std::map<int, Complicated> m;
int anInt = 4;
double aDouble = 5.0;
std::string aString = "C++";
// cross your finger so that the optimizer is really good
m.insert(std::make_pair(4, Complicated(anInt, aDouble, aString)));
// should be easier for the optimizer
m.emplace(4, anInt, aDoub...
Type hinting a collection of a specified type
...types contained within collections. As of November 2015, JetBrains PyCharm 5.0 fully supports Python 3.5 to include Type Hints as illustrated below.
Update 1
As of May 2015, PEP0484 (Type Hints) has been formally accepted. The draft implementation is also available at github under ambv/typehint...
MySQL maximum memory usage
...put any queries in it that are larger than 128MB. dev.mysql.com/doc/refman/5.0/en/query-cache-configuration.html
– agtb
Apr 17 '12 at 14:20
...
ASP.NET WebApi unit testing with Request.CreateResponse
... new HttpConfiguration());
If you are upgrading to webapi 5.0, then you'll need to change this to:
controller.Request = new HttpRequestMessage();
controller.Request.SetConfiguration(new HttpConfiguration());
The reason why you need to do this is because you have to have Request p...
How do I get the current time zone of MySQL?
...sions on application level or using CONVERT_TZ() (dev.mysql.com/doc/refman/5.0/en/…) At least, that's how I always understood how it's supposed to work, looking at the sparse options mySQL provides in this field.
– Pekka
May 29 '10 at 8:47
...