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performSelector may cause a leak because its selector is unknown
...uments these methods as "inherently unsafe"
The idea of sending messages based on a named selector is not, however, an "inherently unsafe" feature. This idea has been used successfully for a long time in Objective-C as well as many other programming languages.
1 All Objective-C methods have two...
What is the difference between the template method and the strategy patterns?
...method. Which algorithm is chosen for this parameter can vary dynamically based on the program's state or inputs.
class ConcreteAlgorithm : IAlgorithm
{
void DoAlgorithm(int datum) {...}
}
class Strategy
{
Strategy(IAlgorithm algo) {...}
void run(int datum) { this->algo.DoAlgorith...
Recommendations of Python REST (web services) framework? [closed]
Is there a list somewhere of recommendations of different Python-based REST frameworks for use on the serverside to write your own RESTful APIs? Preferably with pros and cons.
...
Decimal precision and scale in EF Code First
...gt;().Property(object => object.property).HasPrecision(12, 10);
base.OnModelCreating(modelBuilder);
}
}
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SOAP vs REST (differences)
...s not a protocol.
REST is an architectural style and a design for network-based software architectures.
REST concepts are referred to as resources. A representation of a resource must be stateless. It is represented via some media type. Some examples of media types include XML, JSON, and RDF. Reso...
How to pass an array into a SQL Server stored procedure
...
SQL Server 2008 (or newer)
First, in your database, create the following two objects:
CREATE TYPE dbo.IDList
AS TABLE
(
ID INT
);
GO
CREATE PROCEDURE dbo.DoSomethingWithEmployees
@List AS dbo.IDList READONLY
AS
BEGIN
SET NOCOUNT ON;
SELECT ID FROM @List;
END
...
How to use OpenSSL to encrypt/decrypt files?
... enc -ciphername [-in filename] [-out filename] [-pass arg]
[-e] [-d] [-a/-base64] [-A] [-k password] [-kfile filename]
[-K key] [-iv IV] [-S salt] [-salt] [-nosalt] [-z] [-md] [-p] [-P]
[-bufsize number] [-nopad] [-debug] [-none] [-engine id]
Explanation of most useful parameters with regards t...
MLKitObjectDetector 拓展：离线目标检测（找出物体并画框） · App Inventor 2 中文网
...文件名、设备路径、file:// 或 content:// 地址。
DetectFromBase64(base64)
检测 Base64 图片。支持纯 Base64，也支持带 data:image/...;base64, 前缀的写法。
运行环境：AI 伴侣联机需要 Android 11 及以上
本拓展的识别模型放...
Is there any way to change input type=“date” format?
...or Chrome, Firefox, and Opera, the formatting of the input field's text is based on the browser's language setting. For Edge, it is based on the Windows language setting. Sadly, all web browsers ignore the date formatting configured in the operating system. To me this is very strange behaviour, and...
What is your preferred style for naming variables in R? [closed]
...
I could just be misremembering based on my own bias towards mixed case but I believe that's what RG always used when I was working for him. I figure what's good for RG is good for me!
– geoffjentry
Dec 23 '09 at 0:32...