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dynamically add and remove view to viewpager
...-----------------------------------
// Used by ViewPager; can be used by app as well.
// Returns the total number of pages that the ViewPage can display. This must
// never be 0.
@Override
public int getCount ()
{
return views.size();
}
//---------------------------------------...
Creating a singleton in Python
...), {})): pass
class Logger(Singleton):
pass
An ironic aspect of this approach is that it's using subclassing to implement a metaclass. One possible advantage is that, unlike with a pure metaclass, isinstance(inst, Singleton) will return True.
Corrections
On another topic, you've probably alrea...
How do I use a Boolean in Python?
...ects. they will retain same memory address throughout the lifetime of your app. When you type True, python memory manager will check its address and will pull the value '1'. for False its value is '0'.
Comparisons of any boolean expression to True or False can be performed using either is (identity)...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...nted a Filter.
Having said all that, if you do close it nothing bad will happen as long as you don't try to use it again.
EDIT: another filter link
EDIT2: adrian.tarau is correct in that if you want to alter the response after the servlet has done its thing you should create a wrapper extending H...
How to track untracked content?
...epository (no submodules). The third-party git subtree command is a nice wrapper around the subtree merge functionality.
git rm --cached vendor/plugins/open_flash_chart_2
git commit -m'converting to subtree; please stand by'
mv vendor/plugins/open_flash_chart_2 ../ofc2.local
git subtree add --prefi...
“Bitmap too large to be uploaded into a texture”
...
If this is the case, how does the Gallery app allow the display and manipulation of images taken with the camera? 2048x2048 is only a 4MP image, and many Android phones take photos much larger than this and the Gallery app seems to have no problems.
...
Streaming Audio from A URL in Android using MediaPlayer?
...problem with this, if I lock my phone while the MediaPlayer is playing, my app crashes when I unlock it.
– CiaranC94
Jul 21 '16 at 9:32
...
您好，如果我想设置如果到某个时间就显示文字，怎么做 - App Inventor 2 中...
...时间和格式化，参考：https://bbs.tsingfun.com/thread-1534-1-1.htmlApp Inventor 2 发表于 2024-03-22 19:09
获取当前时间和格式化，参考：https://bbs.tsingfun.com/forum.php?mod=viewthread&tid=1534&fromguid=hot& ...
感觉还是不是很懂App Inventor 2&n...
BLE &APP交互学习教程01——下发指令 - 创客硬件开发 - 清泛IT社区，为创新赋能！
BLE模块性价比高，无需配对就可以连接使用，从本节开始，我们着重来学习使用BLE控制和显示。
1.界面设计
2.逻辑设计
3.APP工程
4.下位机工程
{:8_381:}
如何更改启动屏幕 - App应用开发 - 清泛IT社区，为创新赋能！
...这个新建的login是在screen1后面，如何调换它们的位置，让APP启动时，先从login启动？无法指定启动的屏幕，默认就是特定的Screen1。两种思路：
1、使用“复制屏幕”功能将Screen1复制一份为主屏幕，原来的Screen1改为登录页。
2、S...