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calling a method of an object at instance creation

In PHP why can\'t I do: 开发者_如何转开发class C { function foo() {} } new C()->foo(); but I must do:[详细]

2022-12-25 03:18 分类：问答
safely reading directory contents

Is it safe to read directory entries via readdir() or scandir() while files are being created or deleted in this directory? Should I prefer one over the other?[详细]

2022-12-24 21:54 分类：问答
Ruby sleep or delay less than a second?

I\'m making a script with ruby that must render frames开发者_Python百科 at 24 frames per second, but I need to wait 1/24th of a second between sending the commands. What is the best way to sleep for l[详细]

2022-12-24 21:04 分类：问答
水龙斩破局图是谁画的啊？？

linawang08 2022-04-19 22:53 　　流程攻略　　《仙剑奇侠传2》完全攻略　　杭州城，王小虎14岁，一天出去和小孩玩时被师傅叫回（盛尊武），看见一个少年长鬼不起。其师叫小虎去拿城内黄大娘帮着改的衣服，去了[详细]

2022-12-24 21:00 分类：问答
how to use gettimeofday() or something equivalent with Visual Studio C++ 2008?

Could someone please help me to use gettimeofday() function with Visual Studio C++ 2008 on Windows XP? here is a code that I found somewhe开发者_Python百科re on the net:[详细]

2022-12-24 19:22 分类：问答
What does double "at" (@) marks mean in this SQL query?

I couldn\'t find anything about this in MySQL documentation. SELECT accesion_id, definition FROM accesion_table[详细]

2022-12-24 19:16 分类：问答
All available images under a domain

I\'d like to make a gallery of all images i have under my domain (my internet 开发者_开发百科root folder). All these images are in different folders. What\'s the best way to \'browse\' through all the[详细]

2022-12-24 18:32 分类：问答
OpenGL render vs. own Phong Illumination Implementation

I have implemented a Phong Illumination Scheme using a camera that\'s centered at (0,0,0) and looking directly at the sphere primitive. The following are the relevant contents of the scene file that i[详细]

2022-12-24 18:25 分类：问答
喝酒脸红是怎么回事？

目录?喝酒脸红是怎么回事喝酒脸红对肝脏不好吗？喝酒脸红好不好？如何在很多场合快速消除喝酒脸红？有些人喝酒后不可避免地要喝酒。即使他们不怎么喝酒，也会有脸红的症状。容易喝酒脸红的人要特别注意长时间喝酒，[详细]

2022-12-24 18:21 分类：问答
和平精英如何购买狂战萌兔套装？？

u_113775128 2022-04-20 14:37 操作方法01套装—狂战萌兔，价格480点券，相比520萌熊套装氪金程度，远远没有想象中的那么严重。02在这里是有精英尊享的16岁成人礼，赠送一套酷萌兔限定的套装，玩家可以领取[详细]

2022-12-24 16:11 分类：问答