大约有 900 项符合查询结果(耗时:0.0096秒) [XML]
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...
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~ ...
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...
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...
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...
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、...
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 ...
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...
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...
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...
