A dispatchsemaphore(信号量) is useful if you need
a concurrency control for a small portion(部分) of the source code that has
smaller granularity(颗粒度) than...
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其他好文 时间：
2014-05-28 21:51:45
阅读次数：
395
New research published in the Journal of
Applied Toxicology has revealed that爈ong-term exposure of MCF-10A human mammary
epithelial cells to aluminium...
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Web程序 时间：
2014-05-28 02:26:37
阅读次数：
488
Y2K Accounting BugTime Limit: 1000MSMemory
Limit: 65536KTotal Submissions: 9691Accepted: 4838DescriptionAccounting for
Computer Machinists (ACM) has s...
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其他好文 时间：
2014-05-27 17:13:16
阅读次数：
394
原题地址：https://oj.leetcode.com/problems/path-sum/题意：Given
a binary tree and a sum, determine if the tree has a root-to-leaf path such that
adding up all...
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编程语言 时间：
2014-05-26 18:37:11
阅读次数：
295
The connection to adb is down, and a severe
error has occured. 1.先把eclipse关闭.2.在管理器转到你的android SDK 的platform-tools下,
如图:3.键入adb kill-server ,如果adb关闭了....
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数据库 时间：
2014-05-26 16:43:03
阅读次数：
222
修改php.ini就可以了。1. 在PHP.ini中搜索关键字 :
allow_call_time_pass_reference 没有的自行建立。2. 将 Off 改成 On ,Web
Server重起就OK了~allow_call_time_pass_reference = Off 变成 allo...
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Web程序 时间：
2014-05-25 19:40:31
阅读次数：
265
declare test_Cursor cursor scroll global for select
* from fktable --声明一个游标，加上scroll支持游标向任何方向移动declare test_Cursor cursor
forward_only global for sele...
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数据库 时间：
2014-05-25 18:48:34
阅读次数：
327
Kitahara Haruki has bought n apples for Touma Kazusa and Ogiso Setsuna. Now he wants to divide all the apples between the friends.
Each apple weights 100 grams or 200 grams. Of course Kitahara Haru...
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其他好文 时间：
2014-05-25 09:01:36
阅读次数：
174
ADB启不来，报"The connection to adb is down, and a severe error has occured" 检查任务管理器，也没看到adb.exe. 尝试手工启动.
C:\Ndk\adt-bundle-window\sdk\platform-tools>adb kill-server
* server not running *
C:\Ndk\adt-...
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数据库 时间：
2014-05-25 07:32:54
阅读次数：
310
Kuriyama Mirai has killed many monsters and got many (namely n) stones. She numbers the stones from 1 to n.
The cost of the i-th stone is vi.
Kuriyama Mirai wants to know something about these sto...
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其他好文 时间：
2014-05-25 07:24:48
阅读次数：
315
