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The Free Software Foundation plans to abandon MySQL for Oracle

? This article was published in September 2009-10-2608: 39 Source: SCID 112200911: 45: 39AM according to foreign media reports, the European branch of the Free Software Foundation (FSFE) said on Friday, oracle should hand over the MySQL database to an independent non-profit organization to allow the EU to approve Oracle's early acquisition of the Sun transaction. FSFE said that Oracle should ? This article was published on 11:45:39 Source: SCID 11/2/2

The integration of Phoenix 4.3.0 and HBASE0.98.10-HADOOP2

done replacingVerifying the installationAt this point, execute the sqlline.py command and query all tables:Test InstallationSome test scripts are included by default, and you can observe the changes in the data by executing these test scripts.querying the Web_stat data0:jdbc:phoenix:hadoop107,hadoop108,hadoop104> SELECT * FROM web_stat;+------+---------------------------------- --------+------------------------------------------+-------------------------+--------------------------------- ------

Implementation of Div gradient background

Lorem ipsum dolor sit amet, consectetuer adipiscing.Aliquam blandit nunc lobortis diam bibendum. Nunc aliquam aliquam mi. Maecenas porttitor, lorem sed mattis ultrices, lorem risus consequat mi, vitae ullamcorper leo IPSum in Tellus.Pellentesque arcu est, sollicitudin sed, ultricies quis, Vestibulum A, neque.Duis massa elit, Gravida vel, lacinia eu, pretium eget, Ipsum. Etiam magna Urna, ultrices ut, EU

Java memory and garbage collection tuning

experiment.If you want to use the same app, you can download jdk 7 and JavaFX demos and samples to the Java SE download page. The sample app I'm using is Java2demo.jar, which is located in the jdk1.7.0_55/demo/jfc/java2d directory. This is only an optional step and you can run a GC monitoring command to monitor any Java application.The commands I use to open the demo app are:1. [emailprotected]:~/Downloads/jdk1.7.0_55/demo/jfc/Java2D$ java -Xmx120m -Xms30m -Xmn10m -XX:PermSize=20m -XX:MaxPermSi

Tytabs.jquery.min.js instances, Gradient tab effects

Tangshan steel doors and windowsSource enthusiasts (Www.CodeFans.net) to provide programming source code, Web site source code, Web materials, book tutorials, site templates, Web page effects codes, etc., to do a quality learning source download station.Donec eu velit ante, non dapibus nibh. Praesent condimentum ipsum eu ligula elementum pretium. Nullam vel mi odio, non tincidunt lorem. Etiam pulvinar eleif

How to delete the seemingly blank space in the string?

$str =' Controllable Eu valence for photoluminescence tuning in apatite-typed';在编码为GBK的情况下是'聽 聽 聽 聽 聽 聽 聽 聽 聽 聽 聽 聽 聽 聽Controllable Eu valence for photoluminescence tuning in apatite-typed';在utf-8下是' Controllable Eu valence for photoluminescence tuning in apatite-typed'; 如何去除空格? Reply content: $str =' Controllable

Javascript uses ajax to dynamically obtain data display from xml files _ javascript skills

+ ""; } catch (er) { txt=txt + " "; } } xx=x[i].getElementsByTagName("ARTIST"); { try { txt=txt + " " + xx[0].firstChild.nodeValue + ""; } catch (er) { txt=txt + " "; } } txt=txt + " "; } txt=txt + " "; document.getElementById('txtCDInfo').innerHTML=txt; } }xmlhttp.open("GET",url,true);xmlhttp.send();}《script》Get CD info The content of the xml file is as follows: Empire BurlesqueBob Dylan

Javascript uses ajax to dynamically obtain data display from xml files _ javascript skills

+ ""; } catch (er) { txt=txt + " "; } } xx=x[i].getElementsByTagName("ARTIST"); { try { txt=txt + " " + xx[0].firstChild.nodeValue + ""; } catch (er) { txt=txt + " "; } } txt=txt + " "; } txt=txt + " "; document.getElementById('txtCDInfo').innerHTML=txt; } }xmlhttp.open("GET",url,true);xmlhttp.send();}《script》Get CD info The content of the xml file is as follows: Empire BurlesqueBob Dylan

Java Memory garbage Collection tuning

: 123456789 [emailprotected]:~$ jstat -gc 9582 1000S0C S1C S0U S1U EC EU OC OU PC PU YGC YGCT FGC FGCT GCT1024.0 1024.0 0.0 0.0 8192.0 7933.3 42108.0 23401.3 20480.0 19990.9 157 0.274 40 1.381 1.6541024.0 1024.0 0.0 0.0 8192.0 8026.5 42108.0 23401.3 20480.0 19990.9 157 0.274 40 1.381 1.6541024.0 1024.0 0.0 0.0 8192.0 8030.0 42108.0 23401.3 20480.0 19990.9 157 0.274 40 1.381 1.6541024.0 1024.0 0.0 0.0 8192.0 8122.2 42108.0 23401.3 2048

Six ways to realize the JS Domready event _javascript Skills

. YAHOO.util.Event.onDOMReady (Yahoo.util.event._trypreloadattach, YAHOO.util.Event, true); var n = document.createelement_x (' P '); Eu._dri = setinterval (function () {try {//throws an error if Doc isn't ready N.doscroll (' left '); Clearinterval (Eu._dri); Eu._dri = null; Eu._ready (); n = null; catch

Mapreduce atop Apache Phoenix (Scanplan)

How do I divide partition when querying Phoenix data with mapreduce/hive?PhoenixInputFormatThe source code at a glance to know: public listgetsplits (jobcontext context) throws IOException, interruptedexception {Configuration configuration = Context. (); Queryplan Queryplan = this . getqueryplan (context, configuration); List allsplits = Queryplan. getsplits (); List splits = this . generatesplits (Queryplan, allsplits); return splits; }Create a query plan based on

Testing Web Services with Httpie

/v1.0/posts/3/comments/"," timestamp ":" Fri, SEP 2 016 02:32:59 GMT ", url": "Http://127.0.0.1:5000/api/v1.0/posts/3"}, {"Author": "HTTP://127.0.0.1:5000/API/V1.0/USERS/4", "Body": "FSDFSFSAFSFA", "body_html": null, " Comment_count ": 0," comments ":" http://127.0.0.1:5000/api/v1.0/posts/4/comments/"," timestamp ":" F RI, SEP 2016 02:33:03 GMT ", url": "Http://127.0.0.1:5000/api/v1.0/posts/4"}, { "Author": "Http://127.0.0.1:5000/api/v1.0/users/4", "body": "Why." "," body_html ": nu

Advanced data structure in Python detailed _python

finds the most frequently occurring word in a string and prints the number of occurrences. Copy Code code as follows: Import re From collections Import Counter String = "" "Lorem ipsum dolor sit amet, consectetur Adipiscing elit. Nunc ut elit id mi ultricies Adipiscing. Nulla Facilisi. Praesent Pulvinar, Sapien vel feugiat vestibulum, nulla dui pretium, Non ultricies elit lacus quis ante. Lorem ipsum dolor Sit amet, consectetur adipiscing elit. Aliquam Pretium ullamcorper

JDK Command line tool series (i) JPS, Jstat

\liqingshan>jstat-gc 16744 s0c s1c s0u s1u EC EU OC OU MC MU ccsc ccsu ygc ygct FGC fgct GCT512.0 512.0 0.0 64.0 24064.0 18288.8 87552.0 764.1 4864.0 2709.6 512.0 294.8 711 0.234 0 0.000 0.234 S0C: Capacity of the first survivor in the Cenozoic (bytes) S1C: The capacity of the second survivor in the Cenozoic (bytes) S0U: The first survivor in the

Jstat command Explanation

StatisticsC:\Users\Administrator>jstat -gc 2060 S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT GCT20480.0 20480.0 0.0 13115.3 163840.0 113334.2 614400.0 436045.7 63872.0 61266.5 0.0 0.0 149 3.440 8 0.295 3.735 1 2 3 1 2 3 S0C: The size of the first surviving area S1C: The size o

MySQL Slow query log analysis tool uses

Reference: 5 kinds of MySQL log analysis tools to compete http://blog.csdn.net/gzh0222/article/details/103844751.mysql-log-filter Tool Script Usage instructions:An analysis tool found on Google code. Two executable scripts for Python and PHP are available. http://code.google.com/p/mysql-log-filter/(need to move ladder climbing wall), 51cto download Link:How to use: (This is the only way to use Python)Python mysql_filter_slow_log.py./mysql1-slow.log--no-duplicates--sort-execution-count--top=10 >>

Hdoj 3501-calculation 2 (Euler function)

Calculation 2Time limit:2000/1000 MS (java/others) Memory limit:32768/32768 K (java/others)Total submission (s): 3305 Accepted Submission (s): 1367Problem Descriptiongiven A positive integer N, your task is to calculate the sum of the positive integers less than N whic H is not coprime to N. A is said to being coprime to B if A, B share no common positive divisors except 1.Inputfor Each test case, there was a line containing a positive integer N (1≤n≤1000000000). A line containing a single 0 fol

XML Portal Tutorial: apply CSS to display XML

Virgin records 10.20 1990 - Eros Eros Ramazzotti EU BMG 9.90 1997 - One night only Bee Gees UK Polydor 10.90 1998 - Sylvias Mother Dr. Hook UK CBS

MySQL encryption performance test

This is the second article in the series. In the first article, I used MySQL's built-in SSL support for stress testing, which produced some surprising results. Of course, it is expected that the throughput performance of queries using SSL is lower than that of queries without SSL, But I am surprised that the main performance bottleneck is the time spent establishing connections. This result naturally leads to further research. In particular, I want to make one-time comparison between MySQL's bui

Java memory and garbage collection tuning

-xx:maxpermsize=20m-xx:+useg1gc-jar Java2demo.jar 501 14073 14045 0 9:48PM ttys002 0:00. 00grepjava2demo.jar As I know from above, my Java app process ID is 9582. You can now run the jstat command, as shown below: 1 2 3 4 5 6 7 8 9 [emailprotected]:~$ jstat-gc 9582 s0c s1c s0u s1u EC EU OC OU PC PU ygc ygct FGC fgct GCT 1024.0 1024.0 0.0 0.0 8192.0 7933.3 42108.0 23401.3 20480.0 19990.9 157 0.274 40 1.381 1.654 1024

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