大约有 184 项符合查询结果（耗时：0.0359秒） [XML]
R and version control for the solo data analyst
...ork from machine to machine without worrying about things like losing your USB drive.
2 What are the main pros and cons of adopting version control?
The only con I can think of is a slight increase in file size- but modern version control systems can do absolutely amazing things with compressi...
Add Keypair to existing EC2 instance
...mputer sitting at your desk, you could simply boot the system with a CD or USB stick, mount the hard drive, check out and fix the files, then reboot the computer to be back in business.
A remote EC2 instance, however, seems distant and inaccessible when you are in one of these situations. Fortunate...
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...
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...
What is the purpose of the -m switch?
...leHTTPServer. Really handy when I need to share some files without using a usb flash drive.
– arifwn
Sep 30 '11 at 12:18
...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
... types of hardware. Serial ports aren't as common as they used to be, but USB chips which emulate serial ports are pretty popular in the design of specialized hardware. Characters from such things are handled at the application level, since the OS will have no way of knowing that a sequence of inp...
How does the ARM architecture differ from x86? [closed]
...directly with IO while ARM has not. However with specialized IO buses like USBs, need for such features are also disappearing.
If you need a document to quote, this is what Cortex-A Series Programmers Guide (4.0) tells about differences between RISC and CISC architectures:
An ARM processor is ...