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Discuz 前台个人签名档不能插入图片的问题解决 - 更多技术 - 清泛网 - 专注...

Discuz 前台个人签名档不能插入图片的问题解决该现象是由于会员用户组不允许签名中使用[img]代码,DZ默认只有管理组能使用。用户 -> 用户组 -> 编辑 -> 论坛相关(帖子相关):选择是,ok。该现象是由于会员用户组不允许签名中使...
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How can I put a ListView into a ScrollView without it collapsing?

... to this problem, and the only answer I can find seems to be " don't put a ListView into a ScrollView ". I have yet to see any real explanation for why though. The only reason I can seem to find is that Google doesn't think you should want to do that. Well I do, so I did. ...
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AppInventor有没有扫二维码的功能? - App应用开发 - 清泛IT社区,为创新赋能!

AppInventor 条码扫描器可以实现二维码扫码功能。 不过得注意:将使用外部扫码仪 设置为 “假”,否则会因没有外部扫描仪设备而报错。设置假后,就是直接利用设备的摄像头进行条码的识别,内部采用ZXing(Java库)进行条码...
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无法将类型“System.Collections.Generic.List”隐式转换为“System.Collec...

...rrayList al = new ArrayList();al.AddRange(list);如果单纯转换为对象数组,直接调用 list.ToArray() 方法。 List<string> list = new List<string>(); ......... ArrayList al = new ArrayList(); al.AddRange(list); 如果单纯转换为对象数组,直接调用 list.ToArray() 方法...
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内存调试技巧:C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术

...大量增加 free() 释放的内存和未初始化的引用 悬空指针 数组边界违规 这是所有类型。即使迁移到 C++ 面向对象的语言,这些类型也不会有明显变化;无论数据是简单类型还是 C 语言的 struct 或 C++ 的类,C 和 C++ 中内存管理和...
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Maintain/Save/Restore scroll position when returning to a ListView

I have a long ListView that the user can scroll around before returning to the previous screen. When the user opens this ListView again, I want the list to be scrolled to the same point that it was previously. Any ideas on how to achieve this? ...
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Android: Access child views from a ListView

...the pixel position of one element in a list that's been displayed using a ListView . It seems like I should get one of the TextView's and then use getTop() , but I can't figure out how to get a child view of a ListView . ...
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Focusable EditText inside ListView

...thing but roadblocks. The general premise is that there is some row in a ListView (whether it's generated by the adapter, or added as a header view) that contains an EditText widget and a Button . All I want to do is be able to use the jogball/arrows, to navigate the selector to individual it...
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How do you dynamically add elements to a ListView on Android?

Can anyone explain or suggest a tutorial to dynamically create a ListView in android? 7 Answers ...
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Android Layout with ListView and Buttons

...pecific layout is just annoying me. And can't seem to find a way to have a listView, with a row of buttons at the bottom so that the listview doesn't extend over top of the buttons, and so the buttons are always snapped to the bottom of the screen. Here's what I want: ...