大约有 43,000 项符合查询结果（耗时：0.0288秒） [XML]
Is there a simple way to convert C++ enum to string?
Suppose we have some named enums:
34 Answers
34
...
Is there a difference between copy initialization and direct initialization?
...opy initialization constructs an implicit conversion sequence: It tries to convert x to an object of type T. (It then may copy over that object into the to-initialized object, so a copy constructor is needed too - but this is not important below)
As you see, copy initialization is in some way a pa...
How to get numbers after decimal point?
...0') % 1
Decimal('0.20')
As kindall notes in the comments, you'll have to convert native floats to strings first.
share
|
improve this answer
|
follow
|
...
Convert timestamp to date in MySQL query
I want to convert a timestamp in MySQL to a date.
10 Answers
10
...
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...
How can I convert a Unix timestamp to DateTime and vice versa?
...
Did you just miss the "vice versa"? How do we convert a DateTime to a timestamp?
– Jonny
Dec 8 '14 at 8:31
42
...
Convert object to JSON in Android
Is there a simple method to convert any object to JSON in Android?
6 Answers
6
...
How to update only one field using Entity Framework?
...wn code, extended to handle also (Linq) Expressions of type ExpressionType.Convert. This was necessary in my case, for example with Guid and other object properties. Those were 'wrapped' in a Convert() and therefore not handled by System.Web.Mvc.ExpressionHelper.GetExpressionText.
public int Update...
How can I convert immutable.Map to mutable.Map in Scala?
How can I convert immutable.Map to mutable.Map in Scala so I can update the values in Map ?
5 Answers
...
MySQL integer field is returned as string in PHP
...ou select data from a MySQL database using PHP the datatype will always be converted to a string. You can convert it back to an integer using the following code:
$id = (int) $row['userid'];
Or by using the function intval():
$id = intval($row['userid']);
...