今日在Windows DOS窗口中输入adb命令,如adb devices,adb shell等后,会出现如下错误:adb server is out of date. killing... ADB server didn't ACK * failed to start daemon * error...
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数据库 时间:
2014-08-21 14:44:54
阅读次数:
252
Here are a few problems that you might be having:1 - Your production configuration may not be correct. This is particularly likely if you started out ...
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其他好文 时间:
2014-08-21 09:46:13
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178
在listview中如果每个item都有图片需要下载的话,我们就得考虑由于大量图片加载而导致的oom(out of memory)问题。
一个典型的做法是,下载图片的时候看看缓存中有没有该图片,如果缓存中没有,就从sd卡中读取,如果sd卡中还没有,再去服务器下载,下载下来的图片先放在sd卡中,并放到缓存中。如此周而复始。
这其中涉及到的就是缓存怎么设计,比较通用的做法就是使用LRU算法来缓存图片,先在手机端设置一个内存区域用于缓存图片,然后将我们下载的图片以键值对的形式丢进去,这样我们就能取到相应的图片啦,...
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其他好文 时间:
2014-08-21 00:17:03
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248
soft / hard Determines the recovery behavior of the NFS client after an NFS request times out. If neither option is ...
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其他好文 时间:
2014-08-21 00:05:53
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275
1.如果某个菜单被删除了,恢复方法:在菜单栏空白部分右击->customizing PCB Editor->toolbars->选中需要恢复的选项点击restore即可。2.键盘上的+号键可以切换层。3.将板子切为keep out layer 的形状的方法:design->Board Shope->...
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其他好文 时间:
2014-08-20 22:19:22
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751
A squarenumber is an integer number whose square root is also an integer. For example1, 4, 81 are some square numbers. Given two numbers a and b you will have tofind out how many square numbers are th...
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其他好文 时间:
2014-08-20 16:28:22
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151
Euler discovered the remarkable quadratic formula:
n² + n + 41
It turns out that the formula will produce 40 primes for the consecutive values n = 0 to 39. However, when n = 40, 402 + 40 + 41 = 40...
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其他好文 时间:
2014-08-20 16:21:12
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244
mutil render targetPixel shder输出一个结构体Out.f4ColorOut.f4Normal这步在渲染物体的shader里在applicationsetcolortarget(surfColor,0)setcolortarget(surfNormal,1)这两步就可以 P...
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其他好文 时间:
2014-08-20 15:59:12
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175
Apart out there ghd straightener australia primary reasons dryness may result out of excessive hair straightener ghd usage of chemicals on the hair. P...
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其他好文 时间:
2014-08-20 15:39:32
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128
操作
Change operations:
0 a b change all characters into '0's in [a , b]
1 a b change all characters into '1's in [a , b]
2 a b change all '0's into '1's and change all '1's into '0's in [a, b]
Out...
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其他好文 时间:
2014-08-20 12:36:52
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392