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C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...//读取流中数据把它写到字节数组中
file.Close();//关闭流
string str = Encoding.Default.GetString(array);//将字节数组内容转化为字符串
Console.WriteLine(str);
将数据写入磁盘文件：
FileStream file = File.Open(@"F:\file.txt", FileMode.Append);//初始化文...
What are transparent comparators?
...he example use-case from n3657 is locating an object in a std::set<std::string> using a string literal: with the C++11 definition a std::string object is constructed when passing a string literals to the corresponding member function. With the change it is possible to use the string literal di...
Extracting the last n characters from a ruby string
To get the last n characters from a string, I assumed you could use
8 Answers
8
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What is the relative performance difference of if/else versus switch statement in Java?
... First create some interface:
public interface Action {
void execute(String input);
}
And get hold of all implementations in some Map. You can do this either statically or dynamically:
Map<String, Action> actions = new HashMap<String, Action>();
Finally replace the if/else or ...
Why is require_once so bad to use?
...red. Every *_once call means checking that log. So there's definitely some extra work being done there but enough to detriment the speed of the whole app?
... I really doubt it... Not unless you're on really old hardware or doing it a lot.
If you are doing thousands of *_once, you could do the wo...
When would I need a SecureString in .NET?
I'm trying to grok the purpose of .NET's SecureString. From MSDN:
11 Answers
11
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How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
... it
emailIntent.putExtra(Intent.EXTRA_TEXT, Html.fromHtml(resources.getString(R.string.share_email_native)));
emailIntent.putExtra(Intent.EXTRA_SUBJECT, resources.getString(R.string.share_email_subject));
emailIntent.setType("message/rfc822");
PackageManager pm = getPackageManager()...
Using Enum values as String literals
What is the best way to use the values stored in an Enum as String literals?
For example:
18 Answers
...
Set Additional Data to highcharts series
...code in the controller action called by Ajax.
public JsonResult ChartData(string dataSource, string locationType, string[] locations, string[] methods, string fromDate, string toDate, string[] lstParams)
{
List<Dictionary<string, object>> dataResult = new List<Dictionary<strin...
HTML-encoding lost when attribute read from input field
...ferenced here: Fastest method to replace all instances of a character in a string)
Some performance results here:
http://jsperf.com/htmlencoderegex/25
It gives identical result string to the builtin replace chains above. I'd be very happy if someone could explain why it's faster!?
Update 2015-03-0...