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Determining memory usage of objects? [duplicate]
I'd like to work out how much RAM is being used by each of my objects inside my current workspace. Is there an easy way to do this?
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What's the best way to put a c-struct in an NSArray?
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Megapoint *myPoint = malloc(sizeof(Megapoint);
myPoint->w = 42.0f;
// set ivars as desired..
// Casting to "id" to avoid compiler warning
[array addObject:(id)myPoint];
// Hurray!
Megapoint *mySamePoint = [array objectAtIndex:0];
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Resolving ambiguous overload on function pointer and std::function for a lambda using +
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为维护国家安全 中国限制出口无人机和高性能计算机 - 资讯 - 清泛网 - 专注...
...运算的调整后的峰值速度。
本技术说明涉及的缩写：
n “数字计算机”中的处理器数量
I 处理器编号（1，……，n）
ti 处理器时钟周期（ti=1/Fi）
Fi 处理器频率
Ri 峰值浮点运算速度
Wi 体系结构调整因子
APP用加权万亿次浮...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
... 【Socket】 ClientSocketAI2Ext 拓展加强版：TCP/IP传输协议
【FTP】 FTP 客户端拓展：FTP协议连接、上传、下载、创建、修改目录等
【短信平台接入】 AliSms 拓展：阿里云短信平台接入，短信验证码
【设备信息】 PhoneInfo 拓展：获取...
Finding a branch point with Git?
I have a repository with branches master and A and lots of merge activity between the two. How can I find the commit in my repository when branch A was created based on master?
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What does the leading semicolon in JavaScript libraries do?
In several JavaScript libraries I saw this notation at the very beginning:
6 Answers
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How do I get the full path of the current file's directory?
...other than a file (eg: a database or online resource), __file__ may not be set since there is no notion of "current file". The above answer assumes the most common scenario of running a python script that is in a file.
References
pathlib in the python documentation.
os.path 2.7, os.path 3.8
os....
How can I parse a JSON file with PHP? [duplicate]
I tried to parse a JSON file using PHP. But I am stuck now.
16 Answers
16
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TCPServer TCP服务器扩展：在Android设备上创建TCP服务器 · App Inventor 2 中文网
...，并通过 TCP 逐行交换文本消息。消息以行分隔符（CR、LF 或 CRLF）结束。服务器接受客户端连接，一旦建立连接就可以进行双向数据传输。
主要功能
在 Android 设备上创建 TCP 服务器
接受多个客户端连接
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