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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...其他潜在性能优化技巧，具体如下探讨。
4-1 Android应用String/StringBuilder/StringBuffer优化建议
字符串操作在Android应用开发中是十分常见的操作，也就是这个最简单的字符串操作却也暗藏很多潜在的性能问题，下面我们实例来说说...
What is App.config in C#.NET? How to use it?
...y database file is an Excel workbook. Since the location of the connection string is hard coded in my coding, there is no problem for installing it in my system, but for other systems there is.
...
Seeking clarification on apparent contradictions regarding weakly typed languages
...l, there is no such thing as an "integer variable", a "float variable", a "string variable" or a "boolean variable". In fact, as far as the user can (usually) tell, there aren't even integer, float, string or boolean values: all you have are "scalars", which are all of these things at the same time...
How to Save Console.WriteLine Output to Text File
... replace Console.WriteLine with Logger.Out.
At the end write to a file the string Log
public static class Logger
{
public static StringBuilder LogString = new StringBuilder();
public static void Out(string str)
{
Console.WriteLine(str);
LogString.Append(str...
How do I get the resource id of an image if I know its name?
...
With something like this:
String mDrawableName = "myappicon";
int resID = getResources().getIdentifier(mDrawableName , "drawable", getPackageName());
share
|
...
Restoring state of TextView after screen rotation?
... @Gautam my guess would be that often TextViews are built from static strings stored in XML, in which case it's redundant for the system to remember the values.
– anderspitman
Jul 31 '14 at 1:24
...
C# SQL Server - Passing a list to a stored procedure
...f how to use it:
Create your User Defined Table Type:
CREATE TYPE [dbo].[StringList] AS TABLE(
[Item] [NVARCHAR](MAX) NULL
);
Next you need to use it properly in your stored procedure:
CREATE PROCEDURE [dbo].[sp_UseStringList]
@list StringList READONLY
AS
BEGIN
-- Just return the it...
TypeLoadException says 'no implementation', but it is implemented
...faceDef, add just one class, and build:
public interface IInterface
{
string GetString(string key);
//short GetShort(string key);
}
Create a second class library project: Implementation (with separate solution), copy InterfaceDef.dll into project directory and add as file reference, add ju...
How do I get the directory from a file's full path?
...are working with a FileInfo object, then there is an easy way to extract a string representation of the directory's full path via the DirectoryName property.
Description of the FileInfo.DirectoryName Property via MSDN:
Gets a string representing the directory's full path.
Sample usage:
stri...
Parse v. TryParse
...
If the string can not be converted to an integer, then
int.Parse() will throw an exception
int.TryParse() will return false (but not throw an exception)
...