大约有 40,000 项符合查询结果（耗时：0.0462秒） [XML]
How do I generate a stream from a string?
...
public static Stream GenerateStreamFromString(string s)
{
var stream = new MemoryStream();
var writer = new StreamWriter(stream);
writer.Write(s);
writer.Flush();
stream.Position = 0;
return stream;
}
Don't forget to use Using:
using (va...
Regular expression to match a line that doesn't contain a word
...ng negative look-arounds:
^((?!hede).)*$
The regex above will match any string, or line without a line break, not containing the (sub)string 'hede'. As mentioned, this is not something regex is "good" at (or should do), but still, it is possible.
And if you need to match line break chars as wel...
What is the best practice for “Copy Local” and with project references?
...ripts are parametrized for both debug and release builds. The downside is extra time up front to build said scripts, but they can be reused across apps. This solution has worked well by my standards.
– jyoungdev
Jun 3 '10 at 18:48
...
Difference between string object and string literal [duplicate]
...
When you use a string literal the string can be interned, but when you use new String("...") you get a new string object.
In this example both string literals refer the same object:
String a = "abc";
String b = "abc";
System.out.println(...
Flags to enable thorough and verbose g++ warnings
...op). It is also warning for the
constructor of a const array of const std::string (where this is no
loop in user code).
-Wzero-as-null-pointer-constant and -Wuseless-cast are
GCC-4.7-only warnings, which I will add when I transition to GCC 4.7.
I've filed a few bug reports / enhancement requests a...
nvarchar和varchar相互转换、联合查询 - ORACLE - 清泛IT论坛，有思想、有深度
...Oracle两张表，同一组字段的数据类型不一致，分别是nvarchar和varchar。
这时联合查询报错如下：ora12704：字符集不匹配。
解决方法：需要对数据类型进行转换。
Specifying the USING CHAR_CS argument converts text into the database character set. T...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...t z = add(x, y);
sum += z;
}
return sum;
}
int main(int , char* argv[]) {
int result = work(*argv[1], *argv[2]);
return result;
}
and compiled as: g++ -O2 add.cpp main.cpp.
gcc won't inline add()!
That's all, it's that easy to unintendedly create hotspots l...
Get fully qualified class name of an object in Python
...
Here's one based on Greg Bacon's excellent answer, but with a couple of extra checks:
__module__ can be None (according to the docs), and also for a type like str it can be __builtin__ (which you might not want appearing in logs or whatever). The following checks for both those possibilities:
...
jQuery scroll() detect when user stops scrolling
...se it like any other on or bind-event handler, except that you can pass an extra parameter as a last:
$(window).on('scroll', function(e) {
console.log(e.type + '-event was 250ms not triggered');
}, 250);
http://yckart.github.com/jquery.unevent.js/
(this demo uses resize instead of scroll, bu...
Converting Long to Date in Java returns 1970
...will be done on the java.time classes and their extensions in the ThreeTen-Extra project.
The java-time framework is defined by JSR 310 and built into Java 8 and later. The java.time classes have been back-ported to Java 6 & 7 on the ThreeTen-Backport project and to Android in the ThreeTenABP pr...