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I didn't find “ZipFile” class in the “System.IO.Compression” namespace
...t;
If you are working on .NET Framework without NuGet, you need to add a dll reference to the assembly, "System.IO.Compression.FileSystem.dll" - and ensure you are using at least .NET 4.5 (since it doesn't exist in earlier frameworks).
For info, you can find the assembly and .NET version(s) from ...
Visual Studio 2013 Update 4【VS2013 SP4 旗舰版下载地址】 - 更多技术 - ...
Visual Studio 2013 Update 4【VS2013 SP4 旗舰版下载地址】vs2013没有64位版本，但是提供64位编译器，可以编译64位程序。Visual Studio Ultimate 2013 with Update 4 (x86) - DVD (Chinese...vs2013没有64位版本，但是提供64位编译器，可以编译64位程序。
Visu...
PHP学习必看的一些书 - IT书籍推荐 - 清泛网 - 专注C/C++及内核技术
...
该书单我经过一些调整。
PHP相关
《PHP程序设计》(第2版) –PHP语法和入门最好的书
《PHP5权威编程》 –PHP入门后升级书
《深入PHP：面向对象、模式与实践》(第3版) –理解PHP中的面向对象和设计模式
《高性能PHP应...
PHP学习必看的一些书 - PHP - 清泛IT论坛，有思想、有深度
...。
该书单我经过一些调整。PHP相关《PHP程序设计》(第2版) –PHP语法和入门最好的书《PHP5权威编程》 –PHP入门后升级书《深入PHP：面向对象、模式与实践》(第3版) –理解PHP中的面向对象和设计模式《高性能PHP应用开发》 –了...
App Inventor 2能编译出苹果iOS版App吗？ - App Inventor 2 中文网 - 清泛I...
如题，首先可以明确地说目前并不支持，只支持iOS版AI伴侣进行测试，但是AI伴侣的版本更新一直都是落后于安卓版的，导致测试时会有一些不兼容或一些奇怪的问题，体验不是很好，因此还是建议有条件的话还是使用安卓手机...
【HarmonyOS】鸿蒙版AI伴侣 - HarmonyOS NEXT - 清泛IT社区，为创新赋能！
鸿蒙版AI伴侣大概最终版：
Call to undefined function curl_init().? [duplicate]
... the ; mark from the beginning of the following line:
;extension=php_curl.dll
After you have saved the file you must restart your HTTP server software (e.g. Apache) before this can take effect.
For Ubuntu 13.0 and above, simply use the debundled package. In a terminal type the following to ins...
DataTrigger where value is NOT null?
...
You can use DataTrigger class in Microsoft.Expression.Interactions.dll that come with Expression Blend.
Code Sample:
<i:Interaction.Triggers>
<i:DataTrigger Binding="{Binding YourProperty}" Value="{x:Null}" Comparison="NotEqual">
<ie:ChangePropertyAction PropertyN...
Using the rJava package on Win7 64 bit with R
...
Update (July 2018):
The latest CRAN version of rJava will find the jvm.dll automatically, without manually setting the PATH or JAVA_HOME. However note that:
To use rJava in 32-bit R, you need Java for Windows x86
To use rJava in 64-bit R, you need Java for Windows x64
To build or check R packa...
How to put a UserControl into Visual Studio toolBox
...yControl) under the ".NET Framework Components" tab.
Advantage over using dlls: you can edit the controls in the same project as your form, and the form will build with the new controls. However, the control will only be avilable to this project.
Note: If the control has build errors, resolve the...