大约有 1,490 项符合查询结果（耗时：0.0146秒） [XML]
Only read selected columns
... As you probably know, R reads the data in memory. Whether you read the zipped file or the unzipped file doesn't make a difference on the size of the resulting data in memory. If you have 60GB in files, read.table won't save you. In that case, you might want to look at the ff-package.
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How to convert a PIL Image into a numpy array?
...ay() and array2pil() functions using getdata() on this page in correlation.zip.
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SQL SELECT speed int vs varchar
... Anything you can keep in numeric the faster... for example phone numbers, zip codes, even currency * 1000 (storage) currency div 1000 (retrieval) is faster than DECIMAL for comparisons.
Ozz
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OpenJDK availability for Windows OS [closed]
...e OpenJDK (GPL2 + Classpath Exception) from Oracle are available as tar.gz/zip from the JDK website.
If you prefer an installer, there are several distributions. There is a public Google Doc and Blog post by the Java Champions community which lists the best-supported OpenJDK distributions. Currentl...
How to execute XPath one-liners from shell?
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Xidel (0..8.win32.zip) shows up as having malware on Virustotal. So try at your own risk virustotal.com/#/file/…
– JGFMK
May 9 '18 at 13:17
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Http Basic Authentication in Java using HttpClient?
...Base64Encoder look here. For Base64 look in commons-codec-1.6.jar in 4.2.5.zip at Apache HttpComponents Downloads, doc, import org.apache.commons.codec.binary.Base64;
– Lernkurve
May 15 '13 at 15:49
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...包到/mnt/oracleinstall
[root@redhat ~]# cd /mnt/
[root@redhat mnt]# unzip iso/p13390677_112040_Linux-x86-64_1of7.zip -d oracleinstall
[root@redhat mnt]# unzip iso/p13390677_112040_Linux-x86-64_2of7.zip -d oracleinstall
第三无提示文本模式下使用OUI安装数据库软件
要在...
Open terminal here in Mac OS finder [closed]
.... He published the new version on his site. Just download OpenTerminalHere.zip, extract it, move the bundle to your Library/Scripts folder and drag it from there to your Finder toolbar.
What is special about it is that it always opens a new tab if a Terminal.app window is already open. Very useful!...
Maven Install on Mac OS X
...answer, but not exclusively the "right" one. Downloading the Maven binary zip from the Maven website is quicker and easier IMO.
– RCross
Sep 25 '13 at 9:53
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Android and XMPP: Currently available solutions [closed]
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dropbox.com/s/dnc9nule3hjh08f/qsmack.zip?dl=0
– Jaspreet Chhabra
Sep 16 '14 at 17:29
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