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Pacman: how do the eyes find their way back to the monster hole?
I found a lot of references to the AI of the ghosts in Pacman, but none of them mentioned how the eyes find their way back to the central ghost hole after a ghost is eaten by Pacman.
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Get difference between 2 dates in JavaScript? [duplicate]
...ur 25 hour day in the calculated span. It would be helpful to consult a detailed treatment of UTC (Universal Coordinated Time) and "civil" time standards before devising a calculation such as this. A day is not a always 86,400 seconds, not even in UTC. However, ECMA standards state that it will not ...
Apple Pay入华遇阻 只因BAT太受欢迎？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...支付宝的优势在市场份额，微信支付的诱惑在于强社交的连接能力，而百度钱包通过“常年返现计划”直击商户痛点，既节约了商户的营销成本，也让商户借以展开长期高效的营销策略。对O2O来说，用户和商户缺一不可，在用户...
Get the subdomain from a URL
Getting the subdomain from a URL sounds easy at first.
16 Answers
16
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App Inventor 2 列表代码块 · App Inventor 2 中文网
...将发出错误信号。
分隔符拼接成文本
按指定分隔符连接指定列表中的所有元素，结果生成文本。
创建映射列表
使用提供的表达式将输入列表中的每个项目映射到新值，从而创建一个新列表。
主体是一个操作列表中每...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
How to wait in a bash script for several subprocesses spawned from that script to finish and return exit code !=0 when any of the subprocesses ends with code !=0 ?
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How to make MySQL handle UTF-8 properly
...d to the UTF-8 encoding described above."
– Aaron McDaid
Sep 30 '13 at 9:32
7
MySQL has never had...
In MySQL, can I copy one row to insert into the same table?
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If it's null, it get automatically assigned the next AI number when it's inserted.
– Grim...
Dec 11 '13 at 11:08
3
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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...错提示。
QUOTE:
Q：
smtpd认证失败：无权限连接authdaemond
Nov 20 15:58:54 bsd6 postfix/smtpd[900]: warning: SASL authentication failure: cannot connect to Courier authdaemond: Permission denied
A:
检查 authdaemond的socket所在目录及其父目录的属...
How can I reverse a NSArray in Objective-C?
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For obtaining a reversed copy of an array, look at danielpunkass' solution using reverseObjectEnumerator.
For reversing a mutable array, you can add the following category to your code:
@implementation NSMutableArray (Reverse)
- ...