大约有 7,100 项符合查询结果(耗时:0.0269秒) [XML]

https://stackoverflow.com/ques... 

ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]

... ElasticSearch uses a large 230MB of RAM on 64bit Ubuntu after a fresh install with no data. I really wish Elasticsearch could be run on smaller VPS like PostgreSQL or Redis. – Xeoncross Jan 2 '15 at 23:35 ...
https://stackoverflow.com/ques... 

What size should TabBar images be?

...lines: @1x : about 25 x 25 (max: 48 x 32) @2x : about 50 x 50 (max: 96 x 64) @3x : about 75 x 75 (max: 144 x 96) share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Disable messages upon loading a package

...he R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: x86_64-pc-linux-gnu (64-bit) [...] R> suppressMessages(library(ROCR)) R> # silently loaded R> search() [1] ".GlobalEnv" "package:ROCR" # it's really there ...
https://stackoverflow.com/ques... 

Is there a NumPy function to return the first index of something in an array?

... Vebjorn LjosaVebjorn Ljosa 14.8k1212 gold badges6464 silver badges7878 bronze badges 4 ...
https://stackoverflow.com/ques... 

How can I use PowerShell with the Visual Studio Command Prompt?

... C:\PS> Invoke-BatchFile "$env:VS90COMNTOOLS\..\..\vc\vcvarsall.bat" amd64 Invokes the vcvarsall.bat file to set up a 64-bit dev environment. All environment variable changes it makes will be propagated to the current PowerShell session. .NOTES Author: Lee Holmes #> fu...
https://stackoverflow.com/ques... 

Get file size, image width and height before upload

... Example using FileReader API In case you need images sources as long Base64 encoded data strings <img src="data:image/png;base64,iVBORw0KGg... ...lF/++TkSuQmCC="> const EL_browse = document.getElementById('browse'); const EL_preview = document.getElementById('preview'); const r...
https://stackoverflow.com/ques... 

Why is Double.MIN_VALUE in not negative

...y small positive quantity in maths / physics. Go chose SmallestNonzeroFloat64 for instance. – aioobe Aug 28 '17 at 6:14 ...
https://stackoverflow.com/ques... 

Maintain aspect ratio of div but fill screen width and height in CSS?

...: 0px; /* visual indicators */ background: url(data:image/gif;base64,R0lGODlhAgAUAIABAB1ziv///yH5BAEAAAEALAAAAAACABQAAAIHhI+pa+EPCwA7) repeat-y center top, url(data:image/gif;base64,R0lGODlhFAACAIABAIodZP///yH5BAEAAAEALAAAAAAUAAIAAAIIhI8Zu+nIVgEAOw==) repeat-x left center, silver; }...
https://stackoverflow.com/ques... 

How do I measure execution time of a command on the Windows command line?

... This kit has issues with windows 2008 64bit and does not work on 2008 R2 – Artem Nov 12 '09 at 2:29 ...
https://stackoverflow.com/ques... 

Fast way to get image dimensions (not filesize)

...xImageString .= sprintf("%02x", ord($ByteStream[$i])); if ($Salto==64){ $this->HexImageString .= "\n"; $Salto = 0; } } } } private function Byte2PosInt($Byte08,$Byte00) { return ((ord($Byte08) & 0xFF) << 8)|((ord($Byte00) & 0xF...