大约有 900 项符合查询结果(耗时:0.0096秒) [XML]

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Alternative to google finance api [closed]

...TSO,TXN,TXT,HSY,TRV,TMO,TIF,TWX,TWC,TJX,TMK,TSS,TSCO,RIG,TRIP,FOXA,TSN,TYC,USB,UA,UNP,UNH,UPS,URI,UTX,UHS,UNM,URBN,VFC,VLO,VAR,VTR,VRSN,VZ,VRTX,VIAB,V,VNO,VMC,WMT,WBA,DIS,WM,WAT,ANTM,WFC,WDC,WU,WY,WHR,WFM,WMB,WIN,WEC,WYN,WYNN,XEL,XRX,XLNX,XL,XYL,YHOO,YUM,ZMH,ZION,ZTS,SAIC,AP" AllData = loadStockInf...
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DaffyMenu 扩展:弹出菜单扩展,为组件添加弹出式菜单功能 · App Inventor 2 中文网

...mponents/54771/12 发布日期:2022年3月31日 许可协议:免费开源扩展 致谢:感谢 AI2 Popup Menu 提供的灵感 文档最后更新:2025年11月20日 您的改进建议 联系方式: 不需要回复的可留空~ ...
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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...

...M以上内存,这是使用mmap的阈值。 tcmalloc tcmalloc是Google开源的一个内存管理库, 作为glibc malloc的替代品。目前已经在chrome、safari等知名软件中运用。 根据官方测试报告,ptmalloc在一台2.8GHz的P4机器上(对于小对象)执行一次ma...
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Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...置 发布的服务可能会被带宽受限的设备访问 希望使用开源框架,关键时候可以自己调试或者自定义一下框架 功能简介 Web API的主要功能 1. 支持基于Http verb (GET, POST, PUT, DELETE)的CRUD (create, retrieve, update, delete)操作 通过不...
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Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...内核版本。 0.12 (1992.1.15)主要加入对数学协处理器的软件模拟程序。 0.95 (0.13) (1992.3.8) 开始加入虚拟文件系统思想的内核版本。 0.96 (1992.5.12)开始加入网络支持和虚拟文件系统VFS。 0.97 (1992.8.1) 0.98 (1992.9.29) 0.99 (1992.12.13) 1.0 (1...
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App Inventor 2 SQLite 拓展:超流行兼容主流SQL语法的迷你本地数据库引擎 ...

...展 此SQLite 拓展由中文网开发及维护,基于开源 aix-SQLite 拓展。 与 TaifunSQLite 功能类似,但TaifunSQLite是收费的,美刀。 .aix 拓展下载: cn.fun123.SQLite.aix SQLite SQLite 是 Android 内置的小型、快速、...
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Call Go functions from C

...unction that performs a pretty heavy task: It reads a list of files from a USB device. This can take a while, so we want our app to be notified of its progress. We can do this by passing in a function pointer that we defined in our program. It simply displays some progress info to the user whenever ...
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Is calculating an MD5 hash less CPU intensive than SHA family functions?

...ider that a recent hard disk will run at about 100 MB/s, and anything over USB will top below 60 MB/s. Even though SHA-256 appears "slow" here, it is fast enough for most purposes. Note that OpenSSL includes a 32-bit implementation of SHA-512 which is quite faster than my code (but not as fast as t...
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常用Linux命令详解(持续更新) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...- /sys none 0 0 0 - /dev/pts usbfs 0 0 0 - /proc/bus/usb none 1033172 0 1033172 0% /dev/shm /dev/hda2 678272 234808 409008 137% /opt /dev/hda3 11...
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What is the difference between a port and a socket?

...ical connection point for peripheral devices such as serial, parallel, and USB ports. The term port also refers to certain Ethernet connection points, such as those on a hub, switch, or router. ref http://compnetworking.about.com/od/basicnetworkingconcepts/l/bldef_port.htm ref http://compnetworkin...