大约有 996 项符合查询结果（耗时：0.0127秒） [XML]
Why do x86-64 systems have only a 48 bit virtual address space?
... @R. Actually, the limitation in the CPU was one megabyte. The IBM PC designated a section of that for memory mapped peripherals, BIOS, etc. Some other 8088/8086 designs (Zenith Z100, if memory serves) designated less for peripherals and such, and correspondingly more for application program...
Colspan all columns
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Tested [additionally] in IE6 - IE8, Chrome [on PC and Mac], Firefox 4.0 [PC and Mac], Safari 5 [PC and Mac]
– hndcrftd
May 6 '11 at 17:55
11
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Sublime Text 2: How to delete blank/empty lines
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Select the text
Press:
Ctrl + H on PC, or
Command + Alt + F on Mac or
Click Find->Replace.
Make sure you have selected 'regular expression' by pressing:
Alt + R on PC or
Command + Alt + R on Mac or
Click .* in the Find box.
Find what: ^\n or ^(\r|\n\r?)
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搜狗百度入口之争升级 开放竞合成流量变现抓手 - 资讯 - 清泛网 - 专注C/C+...
...2015年第三季度搜狗总营收1.62亿美元)，最重要的原因就是PC端“输入法+浏览器+搜索”模式在移动端失效。反观之百度自收购91之后，又倾力打造14个亿级APP，Q3财报中显示百度移动营收占比为54%，而搜狗移动营收占比仅25%。并且...
海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...条数据就要去比较1000w次的simhash，计算量还是蛮大，普通PC 比较1000w次海明距离需要 300ms ，和5000w数据比较需要1.8 s。看起来相似度计算不是很慢，还在秒级别。给大家算一笔账就知道了：
随着业务增长需要一个小时处理100w次...
How can I remove the gloss on a select element in Safari on Mac?
...jk1IDEwIj48ZGVmcz48c3R5bGU+LmNscy0xe2ZpbGw6I2ZmZjt9LmNscy0ye2ZpbGw6IzQ0NDt9PC9zdHlsZT48L2RlZnM+PHRpdGxlPmFycm93czwvdGl0bGU+PHJlY3QgY2xhc3M9ImNscy0xIiB3aWR0aD0iNC45NSIgaGVpZ2h0PSIxMCIvPjxwb2x5Z29uIGNsYXNzPSJjbHMtMiIgcG9pbnRzPSIxLjQxIDQuNjcgMi40OCAzLjE4IDMuNTQgNC42NyAxLjQxIDQuNjciLz48cG9seWdvbiBjbGFzc...
How to secure RESTful web services?
... answered Jan 27 '11 at 16:46
pc1oad1etterpc1oad1etter
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How to retrieve the current version of a MySQL database management system (DBMS)?
...e | i686 |
| version_compile_os | pc-linux-gnu |
+-------------------------+------------------------------------------+
5 rows in set (0.04 sec)
MySQL 5.0 Reference Manual (pdf) - Determining Your Current MySQL Version - page 42
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Git undo local branch delete
...his deletes and then immediately restores a branch named master2:
user@MY-PC /C/MyRepo (master)
$ git branch -D master2
Deleted branch master2 (was 130d7ba). <-- This is the SHA1 we need to restore it!
user@MY-PC /C/MyRepo (master)
$ git branch master2 130d7ba
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powershell - extract file name and extension
...ervers for its integrity:
$Comp = get-content c:\myfile.txt
ForEach ($PC in $Comp) {
dir "\\$PC\Folder\Share\*.*" | Select-Object $_.BaseName
}
Nice and simple, and it shows the directory and the file inside it. If you want to specify one file name or extension, just replace the *'s with ...