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Before I wrote an article describing how to modify the ip_conntrack module hashsiz iptables in order to avoid packet loss, there are two ways to modify hashsize: 1 First, the / etc / modprobe.conf add options ip_conntrack hashsize = 524288 Then run s

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I believe in the virtual machine are often people who do the experiment, each tab to complete the command by the time the most painful, most people want at this time PC buzzer to be removed, let us close the annoying thing, too. Under way in centos s

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Recent changes in the source code to do ProjectForge, of course, use the MySQL database, but to turn over after a very nasty problem, of course, is garbled. PF side using UTF-8 encoding, UTF-8 should be envisaged is all normal ah, the original still

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Tomcat: IOException while loading persisted sessions: java.io.EOFException The reason is tomcat's session on the hard disk read failure, complete solution to this: to work the following file empty, mostly *. ser files, or just delete session.ser that

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As a "concept" of cloud computing, which two years has finally entered into the application of transition. In fact, since Google made the concept of Cloud computing has been in the IT giant's development and use. In China, the industry giants ha

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Online to see that he used, and absolutely perfect. Reason: SDK is not complete. Solution: In \ android-sdk-windows \ tools \ lib \ directory, create a new proguard.cfg file Then add the following under: proguard.cfg-optimizationpasses 5 dontusemixed

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This is an example of a great feeling. ALTER TABLE WORKPLAN_TO_DO_LIST_CQ ADD (TASK_SUBMIT_STATUS NUMBER DEFAULT 0); ALTER TABLE WORKPLAN_TO_DO_LIST_CQ ADD (ANOMALY_IS_RESOLVED NUMBER DEFAULT 0); COMMENT ON COLUMN WORKPLAN_TO_DO_LIST_CQ.TASK_SUBMIT_S

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JSON definition: A lightweight data interchange format, readable and has good features for quick preparation. Mainstream technology industry to provide a complete solution (somewhat similar to regular expressions, obtained the support of today's most

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Sign the workflow task is to see a comparison task sleep mode, meaning that a processing task requires multiple people simultaneously, and then summarizes the views of more than one person to decide how the process next step. In JBPM4, and do not sig

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java jtree on different nodes of different ways to add menu 2010-04-26 16:04 To address this issue, I think for a long time, but also searched for information from the Internet, but it seems that no complete solution. Then I thought of a party Method

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Start when the error prompts for the mysqld: File '/ var / log / mysql / mysql-bin.index' not found (Errcode: 13) > 070209 14:27:57 [ERROR] Aborting > > 070209 14:27:57 [Note] mysqld: Shutdown complete Solution for the # Chown-Rc mysql: adm / var

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Sometimes, when I installed some software, the following message "Unable to install the source using this product, make sure that the source exists and you can access it." Find some information on the Internet, are not well complete solution, ba

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After using VirtualBox to install xp, no sound, no speaker icon in the lower right corner, where the sound control panel display settings there is no audio device, how to solve? 1 First, make sure you install an enhanced package, the method shown in

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After using VirtualBox to install xp, no sound, no speaker icon in the lower right corner, where the sound settings in Control Panel shows no audio device there, how to solve? 1. First, make sure you install the enhancement packages, the method shown

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Although getenv ("CONTENT_LENGTH") can then be used directly on the stdin fread () But in practice found that sometimes file read failure Web search for a long time, and finally discovered that to use binary mode to read, rather than text mode .

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IAX Asterisk server settings set to two steps in detail as follows: * Set iax.conf file, a peer mode set to become another one set to user mode * Set user's extensions.conf to allow his users to send calls from the user on the peer * Arbitrary, in th

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Original Address: http://hi.baidu.com/savagert/blog/item/5dfe39138534cac0f7039e5c.html A direct use of Lucene ( http://lucene.apache.org ) Description: Lucene search is a JAVA class library, which itself is not a complete solution requires additional

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Original Address: http://hi.baidu.com/savagert/blog/item/5dfe39138534cac0f7039e5c.html A direct use of Lucene ( http://lucene.apache.org ) Description: Lucene search is a JAVA class library, which itself is not a complete solution requires additional

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Jars a lot of friends to see problems for the Chinese, especially today, to come up with to share their own experiences. The following are notes I wrote: /*************** Chinese deal with the problem ********************** 1. My.ini in mysql configu

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P> The federal Government says IT supports a Move to establish an Emergency telephone warning System following the Deadly Black Saturday bushfires. / P> P> But in its response Timberland boot Sale to the Victorian Bushfires Royal Commission's int

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In spreadsheets, such as Excel, we can write simple formules like the following: Here C4 = A3 + A5, so if A3 = 5 and A5 = 7, then C4 = 12. If we change A3 to 6 and hit enter, then C4 is automatically changed to 13. So in the background, there is a de

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Format: tar option file directory listing functions: to package the file directory backup options: -C create new archive -R append files to the archive -X solved from the archive file -O to the standard output file unlock -V output of information pro

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Recently wanted to write python code package to install the python environment for colleagues useless use requirements are as follows: No python executable environment File as little as possible, not too messy Procedure volume as small as possible If

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Reprinted: http://www.j2bb.com/trac/discussion/27/1140 JOSN definition: A lightweight data interchange format, readable and has good features for quick preparation. Mainstream technology industry to provide a complete solution (somewhat similar to re

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Download: http://dev.mysql.com/downloads/mysql/5.1.html mysql files are installed: the first server installed after the client installation MySQL-server-5.1.51-1.glibc23.i386.rpm MySQL-client-5.1.51-1.glibc23.i386.rpm rpm-ivh MySQL-server-5.1.51-1.gl

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The first posts, like inappropriate, please share, brick, please pat This article describes one point I personally flexigrid some of the increased functionality. In a recent project, the need to use some data show a list of demands. Taking into accou

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Login PL / SQL encountered such a problem: Connect failed because target host or object does not exist Internet search to know is the tnsnames.ora in the host IP address should be complete solution: Open E: \ oracle \ product \ 10.1.0 \ Db_1 \ NETWOR

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Login PL / SQL encountered this problem: Connect failed because target host or object does not exist Internet search and we have to know is the tnsnames.ora in the host IP address should be complete solution: Open the E: \ oracle \ product \ 10.1.0 \

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The overall design, including the general player program consists of three processing stages: 1) access to media data 2) decoding audio and video streaming 3) the decoded media data to the user Structure-based design-level player level from top to bo

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AIX machine once again encountered the Chinese in weblogic A complete solution: 1.weblogic boot parameters increase -Ddefault.client.encoding = "GBK"-Dfile.encoding = "GBK"-Duser.language = "Zh"-Duser.region = "CN"

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IE Runtime Error error occurs the complete solution Posted: cybersmith | Published: January 12, 2010 IE Runtime Error appears in error, in the title bar "microsoft Visual C + + Runtime Library" prompt, concrete appears, the following picture: An

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Database startup: SQL> startup ORACLE instance started Total System Global Area 167772160 bytes Fixed Size 1247876 bytes Variable Size 1304572 bytes ... Database mounted. ORA-00600: internal error code, arguments kcratr1_lastbwr], [,], [, [],], [, []

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The recent development of modules need to use cross-domain access way, would have thought it might be read cross-domain JavaScript pages directly to use the contents of methods, results, Google a few days, did not find relevant solutions. Temporarily

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Now online search, I was that this method could be restored SQL> conn Please enter a user name: sys as sysdba Enter password: *** Connected. SQL> desc dba_users Name is empty? Type ----------------------------------------- -------- - ---------------

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JSON definition: A lightweight data interchange format, has a good quick read and easy to prepare features. The mainstream technology industry to provide a complete solution (somewhat similar to the regular expression, access to the majority of today

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Element root = document.getRootElement (); List recordenvlist = document.selectNodes ("/ / gml: envelope"); / / gml: envelope Tips NoClassDefFoundError org.dom4j.DocumentFactory.createXPath reasons: dom4j the xpath api dependency jaxen complete

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Bahrain the Oracle 10g database, forgot to unlock the scott account. Then where in sql plus tool (Start | All Programs | <Oracle-Home> | Application Development | SQL Plus), can also console the command line to the scott account unlock. In the first

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sudo ssh -CfNg -D 8888 [email protected] -D 8888 Dynamic port forwarding 8888 to Command over a socket5 local agent, together with firefox + autoProxy use invincible. mac, linux should have universal. I did not try linux. mac is certainly possible. How to co

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apache installation: 1. Download httpd-2.2.9.tar.gz source package 2. # Gzip-d httpd-2.2.9.tar.gz # Tar xvf httpd-2.2.9.tar Unzip the installation package, and then appears httpd-2.2.9 folder into the folder. 3. Into the file: . / Configure - prefix

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I hate the thought of the time to teach some provide a lot of code, because I think the thought process of acceptance should be a pleasure to read as a novel process, rather than spend a lot of brain power for a certain process details And this world

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Why do we need serialization? A personal understanding of In the local (on the same JVM) calls to other objects and methods is very simple, import before use on the list, but if you want to call a remote machine outside the network, the objects and m

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