运镜是什么意思

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Silverlight 4 WriteableBitmap ScaleTransform Exception but was working in v3

I am getting the following exception for code that used to work in silverlight 3 but has stopped working since upgrading to silverlight 4:[详细]

2022-12-28 14:18 分类：问答
Django - urls.py - Filenames with a hash/pound (#) sign?

I\'m using django and realized that when the filename that the user wants to access (let\'s say a photo) has the pound sign, the entry in the url.py does not match.[详细]

2022-12-25 08:17 分类：问答
Are there existing web sites that use a photo as a electronic signature?

The use开发者_运维问答 case: to sign a electronic document, users view the document, and if they agree take a picture of themselves with their webcam (done through Flash from the browser). Then a PDF[详细]

2022-12-25 06:00 分类：问答
C# Public Enums in Classes

I have a program with a class that contains a public enum, as follows: public class Card { public enum card_suits[详细]

2022-12-25 04:36 分类：问答
Wondering how Facebook does the "Mutual friends" feature

I\'m currently developing an application to allow students to manage their courses, and I don\'t really know how to design the database for a specific feature.[详细]

2022-12-25 03:18 分类：问答
How to access a variable's value from one class, if the variable is defined in another? (Objective-C)

I have two pairs (.m and .h) of files. In one\'s interface section, I\'ve defined a global BOOL variable. I need to get it\'s value in another class. How can I do it? (I can\'t make one class a subcla[详细]

2022-12-25 03:16 分类：问答
真功夫logo是谁画的呢？？

欣儿梁开发者_开发百科 2022-04-18 17:35 因为是红色和黄色看起来有食欲ycgq1982 开发者_高级运维2022-04-18 17:43[详细]

2022-12-25 03:01 分类：问答
手提电脑设置家用投影仪后黑屏？

飘过的浮云 2022-04-18 08:14 故障原因分析与排除：一.显示器由于显示器自身的原因而不能正常工作造成的黑屏，如显示器的电源线有问题，电源插头接触不良(注意：两头都有可能)，电源开关坏，显示器内部电路故障[详细]

2022-12-25 02:52 分类：问答
iphone, get the object count without performing a fetch?

I seem to recall that it\'s possible to return the resulting object count from an NSPredicate in CoreData without actually performing a fetch, but I can\'t find any reference to this.[详细]

2022-12-25 02:47 分类：问答
Using Qt signals/slots instead of a worker thread

I am using Qt and wish to write a class that will perform some network-type operations, similar to FTP/HTTP.The class needs to connect to lots of machines, one after the other but I need the applicati[详细]

2022-12-25 02:46 分类：问答