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• rsync filtering

  - by biomed

  I use an rsync command to sync two directories remote local the command is (used in python script) os.system('rsync --verbose --progress --stats --recursive\ --copy-links --times --include="*/" --include="*good_name*.good_ext*"\ --exclude-from "/myhome/mydir/src/rsync.exclude"\ %s %s'%(remotepath,localpath)) I want to exclude certain directories that has the same files that I also want to include. I want to include recursively any_dir_name/any_file_name.good but I want to exclude any and all files that are in bad_dir_name/ I used exclude-from and here is my exclude from file * /*.bad_dir_name/ Unfortunately it doesn't work. I suspect it may have something to do with --include="*/" but if I remove it the command doesn't sync any files at all. Thanks for the help.

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• CURL - HTTPS Wierd error

  - by Vincent

  All, I am having trouble requesting info from HTTPS site using CURL and PHP. I am using Solaris 10. It so happens that sometimes it works and sometimes it doesn't. I am not sure what is the cause. If it doesn't work, this is the entry recorded in the verbose log: * About to connect() to 10.10.101.12 port 443 (#0) * Trying 10.10.101.12... * connected * Connected to 10.10.101.12 (10.10.101.12) port 443 (#0) * error setting certificate verify locations, continuing anyway: * CAfile: /etc/opt/webstack/curl/curlCA CApath: none * error:80089077:lib(128):func(137):reason(119) * Closing connection #0 If it works, this is the entry recorded in the verbose log: * About to connect() to 10.10.101.12 port 443 (#0) * Trying 10.10.101.12... * connected * Connected to 10.10.101.12 (10.10.101.12) port 443 (#0) * error setting certificate verify locations, continuing anyway: * CAfile: /etc/opt/webstack/curl/curlCA CApath: none * SSL connection using DHE-RSA-AES256-SHA * Server certificate: * subject: C=CA, ST=British Columnbia, L=Vancouver, O=google, OU=FDN, CN=g.googlenet.com, [email protected] * start date: 2007-07-24 23:06:32 GMT * expire date: 2027-09-07 23:06:32 GMT * issuer: C=US, ST=California, L=Sunnyvale, O=Google, OU=Certificate Authority, CN=support, [email protected] * SSL certificate verify result: unable to get local issuer certificate (20), continuing anyway. > POST /gportal/gpmgr HTTP/1.1^M Host: 10.10.101.12^M Accept: */*^M Accept-Encoding: gzip,deflate^M Content-Length: 1623^M Content-Type: application/x-www-form-urlencoded^M Expect: 100-continue^M ^M < HTTP/1.1 100 Continue^M < HTTP/1.1 200 OK^M < Date: Wed, 28 Apr 2010 21:56:15 GMT^M < Server: Apache^M < Cache-Control: no-cache^M < Pragma: no-cache^M < Vary: Accept-Encoding^M < Content-Encoding: gzip^M < Content-Length: 1453^M < Content-Type: application/json^M < ^M * Connection #0 to host 10.10.101.12 left intact * Closing connection #0 My CURL options are as under: $ch = curl_init(); $devnull = fopen('/tmp/curlcookie.txt', 'w'); $fp_err = fopen('/tmp/verbose_file.txt', 'ab+'); fwrite($fp_err, date('Y-m-d H:i:s')."\n\n"); curl_setopt($ch, CURLOPT_STDERR, $devnull); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_URL, $desturl); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); curl_setopt($ch, CURLOPT_HEADER, false); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT,120); curl_setopt($ch, CURLOPT_AUTOREFERER, true); curl_setopt($ch, CURLOPT_ENCODING, 'gzip,deflate'); curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata); curl_setopt($ch, CURLOPT_VERBOSE,1); curl_setopt($ch, CURLOPT_FAILONERROR, true); curl_setopt($ch, CURLOPT_STDERR, $fp_err); $ret = curl_exec($ch); Anybody has any idea, why it works sometimes but fails mostly? Thanks

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• Eclipse (STS), Maven and maven-minify-plugin, can they work together?

  - by CodeReaper

  Hi, I am working on a project where I am in charge of html, css and javascript. I found this maven-minify-plugin that seemed to just what I wanted. Everything is good when I deploy using maven on the server, but when I am using Eclipse (STS, www.springsource.com/products/sts) to run the project on localhost no css nor js file is generated by the plugin. Does anyone have experience with this Maven plugin, so they can tell me if it should be possible or not run on localhost? Does anyone have knowledge of another plugin I can use to (combine and) minify javascript and css files when running on localhost in Eclipse and also when deploying using Maven? Any help appreciated... ----extra information---- I basicly just copied in what it said on the plugin webpage, so I have these bits in my pom.xml: .... <build> <plugins> .... <plugin> <groupId>com.samaxes.maven</groupId> <artifactId>maven-minify-plugin</artifactId> <version>1.1</version> <executions> <execution> <id>default-minify</id> <phase>process-resources</phase> <configuration> <cssFiles> .... <param>forms.css</param> <param>jquery.droppy.css</param> <param>jquery.jgrowl.css</param> </cssFiles> <jsFiles> .... <param>jquery.droppy.js</param> <param>jquery.jgrowl.js</param> </jsFiles> <jsFinalFile>script.js</jsFinalFile> <linebreak>-1</linebreak> <nomunge>false</nomunge> <verbose>false</verbose> <preserveAllSemiColons>false</preserveAllSemiColons> <disableOptimizations>false</disableOptimizations> <bufferSize>4096</bufferSize> </configuration> <goals> <goal>minify</goal> </goals> </execution> </executions> </plugin> </plugins> </build> .... Should/Can I bind the plugin to a difference phase? I just use mvn clean package and move the snapshot into tomcat to deploy on the server. I am unsure on how to explain how I run the webapp on localhost, but here goes. I have a vanilia tomcat, that I defined as a server in Eclipse and then defined that the webapp should always build in that "server".

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• Installation procedure RAC One Node

  - by rene.kundersma

  Okay, In order to test RAC One Node, on my Oracle VM Laptop, I just: - installed Oracle VM 2.2 - Created two OEL 5.3 images The two images are fully prepared for Oracle 11gr2 Grid Infrastructure and 11gr2 RAC including four shared disks for ASM and private nics. After installation of the Oracle 11gr2 Grid Infrastructure and a "software only installation" of 11gr2 RAC, I installed patch 9004119 as you can see with the opatch lsinv output: This patch has the scripts required to administer RAC One Node, you will see them later. At the moment we have them available for Linux and Solaris. After installation of the patch, I created a RAC database with an instance on one node. Please note that the "Global Database Name" has to be the same as the SID prefix and should be less then or equal to 8 characters: When the database creation is done, first I create a service. This is because RAC One Node needs to be "initialized" each time you add a service: The service configuration details are: After creating the service, a script called raconeinit needs to run from $RDBMS_HOME/bin. This is a script supplied by the patch. I can imagine the next major patch set of 11gr2 has this scripts available by default. The script will configure the database to run on other nodes: After initialization, when you would run raconeinit again, you would see: So, now the configuration is ready and we are ready to run 'Omotion' and move the service around from one node to the other (yes, vm competitor: this is service is available during the migration, nice right ?) . Omotion is started by running Omotion. With Omotion -v you get verbose output: So, during the migration you will see the two instance active: And, after the migration, there is only one instance left on the new node:

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• Cloning a WebCenter Portal Managed Server

  - by Maiko Rocha

  I had to run some tests on a WebCenter Portal application deployed in a cluster. I've got a development VM with WebCenter PS4 (this also works on PS5) and I was trying to figure out how could I easily add a new managed server to my single-node domain, and make it a cluster. Creating the machine and cluster are a piece of cake, you can do it pretty quick through WLS Console. Now, you'd guess that using the clone option on WLS Console would do the magic of cloning an existing instance, right? Well, it does, but all you get is an "empty" managed server: with no target libraries.  It was a good surprise to find that WebCenter provides a way of cloning an existing WebCenter Portal managed server through a simple WLST command: cloneWebCenterManagedServer  This is a screenshot of my starting point. I want to clone WC_CustomPortal managed server: These are the steps to clone my WC_CustomPortal managed server: 1. In the command line, invoke WLST. It should be on <ORACLE_HOME_for_component>/common/bin/wlst.sh. In my case, it is ./product/Middleware/WebCenterPortal/common/bin/wlst.sh 2. Connect to the Admin Server:  connect ('<wls_admin_username>','<password>','t3://<server>:<port>') 3. Execute the following command: wls:/webcenter/serverConfig> cloneWebCenterManagedServer(baseManagedServer='WC_CustomPortal', newManagedServer='WC_CustomPortal2', newManagedServerPort=8893, verbose=1) I've turned on verbose output on purpose so I could see what the script was doing while executing. This is the output:  [...] Creating the Managed Server "WC_CustomPortal2" MBean type Server with name WC_CustomPortal2 has been created successfully. Targeting the library "oracle.bi.adf.model.slib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.bi.adf.view.slib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.bi.adf.webcenter.slib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.wsm.seedpolicies#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.jsp.next#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.dconfig-infra#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "orai18n-adf#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.adf.dconfigbeans#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.pwdgen#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.jrf.system.filter" to the Managed Server "WC_CustomPortal2" Targeting the library "adf.oracle.domain#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "adf.oracle.businesseditor#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.adf.management#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "adf.oracle.domain.webapp#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "jsf#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "jstl#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "UIX#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "ohw-rcf#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "ohw-uix#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.adf.desktopintegration.model#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.adf.desktopintegration#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.bi.jbips#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.bi.composer#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.webcenter.skin#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.webcenter.composer#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.webcenter.framework.core#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.sdp.client#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.soa.workflow.wc#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.soa.worklist.webapp#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.ucm.ridc.app-lib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "p13n-app-lib-base#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "p13n-core-web-lib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "jaxrs-framework-web-lib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "jersey-web-lib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "wcps-util-app-lib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "wcps-services-client-web-lib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "content-app-lib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "content-web-lib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.webcenter.framework#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.webcenter.framework.view#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.webcenter.forum.dependency#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.webcenter.jive.dependency#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.webcenter.spaces.fwk#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the library "oracle.webcenter.activitygraph.lib#[email protected]" to the Managed Server "WC_CustomPortal2" Targeting the datasource "mds-CustomPortalDS" to the Managed Server "WC_CustomPortal2" Targeting the datasource "WebCenter-CustomPortalDS" to the Managed Server "WC_CustomPortal2" Targeting the datasource "Activities-CustomPortalDS" to the Managed Server "WC_CustomPortal2" Targeting the application "wsil-wls" to the Managed Server "WC_CustomPortal2" Targeting the application "DMS Application#11.1.1.1.0" to the Managed Server "WC_CustomPortal2" Targeting the application "ViewHandlerOverride_webapp1#V2.0" to the Managed Server "WC_CustomPortal2" Targeting the application "ViewHandlerOverride_application1#V2.0" to the Managed Server "WC_CustomPortal2" Targeting the startup class "JRF Startup Class" to the Managed Server "WC_CustomPortal2" Targeting the startup class "JPS Startup Class" to the Managed Server "WC_CustomPortal2" Targeting the startup class "ODL-Startup" to the Managed Server "WC_CustomPortal2" Targeting the startup class "Audit Loader Startup Class" to the Managed Server "WC_CustomPortal2" Targeting the startup class "AWT Application Context Startup Class" to the Managed Server "WC_CustomPortal2" Targeting the startup class "JMX Framework Startup Class" to the Managed Server "WC_CustomPortal2" Targeting the startup class "Web Services Startup Class" to the Managed Server "WC_CustomPortal2" Targeting the startup class "JOC-Startup" to the Managed Server "WC_CustomPortal2" Targeting the startup class "DMS-Startup" to the Managed Server "WC_CustomPortal2" Targeting the shutdown class "JOC-Shutdown" to the Managed Server "WC_CustomPortal2" Targeting the shutdown class "DMSShutdown" to the Managed Server "WC_CustomPortal2" Validating changes ... Validated the changes successfully [...] And this is the newly created WC_CustomPortal2 managed server showing up on Weblogic console:  Here is the full reference to WebCenter Portal Custom WLST Commands. Special thanks to Todd Vender for pointing this one out! :-)

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• Ur/Web new purely functional language for web programming?

  - by Phuc Nguyen

  I came across the Ur/Web project during my search for web frameworks for Haskell-like languages. It looks like a very interesting project done by one person. Basically, it is a domain-specific purely functional language for web programming, taking the best of ML and Haskell. The syntax is ML, but there are type classes and monad from Haskell, and it's strictly evaluated. Server-side is compiled to native code, client to Javascript. See the slides and FAQ page for other advertised advantages. Looking at the demos and their source code, I think the project is very promising. The latest version is something 20110123, so it seems to be under active development at this time. My question: Has anybody here had any further experience with it? Are there problems/annoyances compared to Haskell, apart from ML's slightly more verbose syntax? Even if it's not well known yet, I hope more people will know of it. OMG this looks very cool to me. I don't want this project to die!!

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• How do I get vmbuilder to progress?

  - by Avery Chan

  I've used the following command to create my vm: vmbuilder kvm ubuntu --verbose --suite=precise --flavour=virtual --arch=amd64 -o --libvirt=qemu:///system --tmpfs=- --ip=192.168.2.1 --part=/home/shared/vm1/vmbuilder.partition --templates=/home/shared/vm1/templates --user=vadmin --name=VM-Administrator --pass=vpass --addpkg=vim-nox --addpkg=unattended-upgrades --addpkg=acpid --firstboot=/home/shared/vm1/boot.sh --mem=256 --hostname=chameleon --bridge=br0 I've been trying to follow the direction here. My system just outputs this and it hangs at the last line: 2012-06-26 18:08:29,225 INFO : Mounting tmpfs under /tmp/tmpJbf1dZtmpfs 2012-06-26 18:08:29,234 INFO : Calling hook: preflight_check 2012-06-26 18:08:29,243 INFO : Calling hook: set_defaults 2012-06-26 18:08:29,244 INFO : Calling hook: bootstrap How can I get vmbuilder to continue the process instead of dying right here? I'm running 12.04. EDIT: Adding some additional output details When I ^C to get out of the hang I see this: ^C2012-06-26 18:19:29,622 INFO : Unmounting tmpfs from /tmp/tmpJbf1dZtmpfs Traceback (most recent call last): File "/usr/bin/vmbuilder", line 24, in <module> cli.main() File "/usr/lib/python2.7/dist-packages/VMBuilder/contrib/cli.py", line 216, in main distro.build_chroot() File "/usr/lib/python2.7/dist-packages/VMBuilder/distro.py", line 83, in build_chroot self.call_hooks('bootstrap') File "/usr/lib/python2.7/dist-packages/VMBuilder/distro.py", line 67, in call_hooks call_hooks(self, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/VMBuilder/util.py", line 165, in call_hooks getattr(context, func, log_no_such_method)(*args, **kwargs) File "/usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/distro.py", line 136, in bootstrap self.suite.debootstrap() File "/usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/dapper.py", line 269, in debootstrap run_cmd(*cmd, **kwargs) File "/usr/lib/python2.7/dist-packages/VMBuilder/util.py", line 113, in run_cmd fds = select.select([x.file for x in [mystdout, mystderr] if not x.closed], [], [])[0]

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• Compiling Gnucash 2.6.3 in Ubuntu 14.04

  - by wolveryn

  Downloaded the debian file from source forge and followed instructions, where these errors appear, I re-downloaded the file several times with same error. I want to install the latest Gnucash not the one available on software center. Thank you for your support. /qof/gnc-date/qof print date dmy buff: There are some differences between distros in the way they namelocales, and this can cause trouble with the locale-basedformatting. If you get the assert in this function, run locale -aand make sure that en_US, en_GB, and fr_FR are installed and thatif a suffix is needed it's in the suffixes array.** ERROR:test-gnc-date.c:465:test_gnc_setlocale: code should not be reached FAIL GTester: last random seed: R02Sd8d3d0e67be954baa8ec75d81a14c0e3 /bin/bash: line 1: 18889 Terminated MALLOC_CHECK_=2 MALLOC_PERTURB_=$((${RANDOM:-256} % 256)) gtester --verbose test-qof make[5]: *** [test-nonrecursive] Error 143 make[5]: Leaving directory `/home/ahmed/gnucash/gnucash-2.6.3/src/libqof/qof/test' make[4]: *** [check-am] Error 2 make[4]: Leaving directory `/home/ahmed/gnucash/gnucash-2.6.3/src/libqof/qof/test' make[3]: *** [check-recursive] Error 1 make[3]: Leaving directory `/home/ahmed/gnucash/gnucash-2.6.3/src/libqof/qof' make[2]: *** [check-recursive] Error 1 make[2]: Leaving directory `/home/ahmed/gnucash/gnucash-2.6.3/src/libqof' make[1]: *** [check-recursive] Error 1 make[1]: Leaving directory `/home/ahmed/gnucash/gnucash-2.6.3/src' make: *** [check-recursive] Error 1

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• MySQL Workbench on Ubuntu 12.04 doesn't starts after latest (Jun12) updates

  - by Atul Kakrana

  MySQL workbench was working fine till today. I installed the regular updates and now its just doesnt starts. When started its just shows the 'opening screen' and nothing happens. I tried re-installing it from synaptic but no luck. I use it all the time and now suffering a lot. Any help will be appreciated. When run from terminal with: mysql-workbench --log-level=debug3 --verbose It gives a long log. Please see at: http://pastebin.com/Z2t8pdZF I see these error in the log but don't know what they mean and how it stopped working automatically, /home/atul/.mysql/workbench/wb_state.xml:1: parser error : Document is empty ^ /home/atul/.mysql/workbench/wb_state.xml:1: parser error : Start tag expected, '<' not found ^ /home/atul/.mysql/workbench/user_starters.xml:1: parser error : Document is empty ^ /home/atul/.mysql/workbench/user_starters.xml:1: parser error : Start tag expected, '<' not found ^ /home/atul/.mysql/workbench/starters_settings.xml:1: parser error : Document is empty ^ /home/atul/.mysql/workbench/starters_settings.xml:1: parser error : Start tag expected, '<' not found Atul

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• codesniffer command not being recognized after several installs and upgrades

  - by numerical25

  I've tried to install codesniffer using pear but my mac is not recognizing the phpcs command. pear config Configuration (channel pear.php.net): ===================================== Auto-discover new Channels auto_discover 1 Default Channel default_channel pear.php.net HTTP Proxy Server Address http_proxy <not set> PEAR server [DEPRECATED] master_server pear.php.net Default Channel Mirror preferred_mirror pear.php.net Remote Configuration File remote_config <not set> PEAR executables directory bin_dir /usr/local/pear/bin PEAR documentation directory doc_dir /usr/local/pear/docs PHP extension directory ext_dir /opt/local/lib/php/extensions/no-debug-non-zts-20090626 PEAR directory php_dir /usr/local/pear/share/pear PEAR Installer cache directory cache_dir /private/tmp/pear/cache PEAR configuration file cfg_dir /usr/local/pear/cfg directory PEAR data directory data_dir /usr/local/pear/data PEAR Installer download download_dir /tmp/pear/install directory PHP CLI/CGI binary php_bin /opt/local/bin/php php.ini location php_ini /opt/local/etc/php5/php.ini-development --program-prefix passed to php_prefix <not set> PHP's ./configure --program-suffix passed to php_suffix <not set> PHP's ./configure PEAR Installer temp directory temp_dir /tmp/pear/install PEAR test directory test_dir /usr/local/pear/tests PEAR www files directory www_dir /usr/local/pear/www Cache TimeToLive cache_ttl 3600 Preferred Package State preferred_state stable Unix file mask umask 22 Debug Log Level verbose 1 PEAR password (for password <not set> maintainers) Signature Handling Program sig_bin /usr/local/bin/gpg Signature Key Directory sig_keydir /opt/local/etc/pearkeys Signature Key Id sig_keyid <not set> Package Signature Type sig_type gpg PEAR username (for username <not set> maintainers) User Configuration File Filename /Users/anthonygordon/.pearrc System Configuration File Filename /opt/local/etc/pear.conf i checked php_bin and the php executable is there. when i run phpcs i get command not found Ive tried to upgrade pear, uninstall reinstall code sniffer, everything. when i run installs list i get Pear List Package Version State Archive_Tar 1.3.10 stable Console_Getopt 1.3.1 stable PEAR 1.9.4 stable PHP_CodeSniffer 1.4.0 stable Structures_Graph 1.0.4 stable XML_Util 1.2.1 stable

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• How can I get the Creative Zen Touch to work?

  - by Hello71

  I've tried using gnomad2 (too lazy to configure all the dependencies) and Amarok (segfaulted when I tried to do anything with it). $ lsusb Bus 002 Device 004: ID 041e:4131 Creative Technology, Ltd Zen Touch (mtp) # SNIP OUTPUT # $ lsusb --verbose -s 002:004 Bus 002 Device 004: ID 041e:4131 Creative Technology, Ltd Zen Touch (mtp) Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 255 Vendor Specific Class bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x041e Creative Technology, Ltd idProduct 0x4131 Zen Touch (mtp) bcdDevice 1.00 iManufacturer 1 Creative Technology Ltd iProduct 2 Creative Zen Touch iSerial 3 010125517D039098 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 39 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 16 Configuration 1 bmAttributes 0xc0 Self Powered MaxPower 440mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 3 bInterfaceClass 0 (Defined at Interface level) bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 33 MTP Interface Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 4 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 255 Vendor Specific Class bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 bNumConfigurations 1 can't get debug descriptor: Connection timed out Device Status: 0x0000 (Bus Powered)

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• Managing JS and CSS for a static HTML web application

  - by Josh Kelley

  I'm working on a smallish web application that uses a little bit of static HTML and relies on JavaScript to load the application data as JSON and dynamically create the web page elements from that. First question: Is this a fundamentally bad idea? I'm unclear on how many web sites and web applications completely dispense with server-side generation of HTML. (There are obvious disadvantages of JS-only web apps in the areas of graceful degradation / progressive enhancement and being search engine friendly, but I don't believe that these are an issue for this particular app.) Second question: What's the best way to manage the static HTML, JS, and CSS? For my "development build," I'd like non-minified third-party code, multiple JS and CSS files for easier organization, etc. For the "release build," everything should be minified, concatenated together, etc. If I was doing server-side generation of HTML, it'd be easy to have my web framework generate different development versus release HTML that includes multiple verbose versus concatenated minified code. But given that I'm only doing any static HTML, what's the best way to manage this? (I realize I could hack something together with ERB or Perl, but I'm wondering if there are any standard solutions.) In particular, since I'm not doing any server-side HTML generation, is there an easy, semi-standard way of setting up my static HTML so that it contains code like <script src="js/vendors/jquery.js"></script> <script src="js/class_a.js"></script> <script src="js/class_b.js"></script> <script src="js/main.js"></script> at development time and <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script> <script src="js/entire_app.min.js"></script> for release?

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• Bridged VM guest does not get IPv6 prefix

  - by Arne

  I have a similar problem and setup as described in IPv6 does not work over bridge. My host get a IPv6 prefix but the guest VM only gets a local fe80-prefix. Using tcpdump I can see that solicit messages are going out from the guest but the host (ubuntu-server) doesn't seem to respond: arne@ubuntu-server:/var/log$ sudo tcpdump -i br0 host fe80::5054:00ff:fe4d:9ae0 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on br0, link-type EN10MB (Ethernet), capture size 65535 bytes 14:31:15.314419 IP6 fe80::5054:ff:fe4d:9ae0 > ff02::16: HBH ICMP6, multicast listener report v2, 4 group record(s), length 88 14:31:15.322337 IP6 fe80::5054:ff:fe4d:9ae0 > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28 14:31:15.502374 IP6 fe80::5054:ff:fe4d:9ae0 > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28 14:31:15.743894 IP6 fe80::5054:ff:fe4d:9ae0.dhcpv6-client > ff02::1:2.dhcpv6-server: dhcp6 solicit 14:31:15.802389 IP6 fe80::5054:ff:fe4d:9ae0 > ff02::16: HBH ICMP6, multicast listener report v2, 4 group record(s), length 88 14:31:17.906580 IP6 fe80::5054:ff:fe4d:9ae0.dhcpv6-client > ff02::1:2.dhcpv6-server: dhcp6 solicit I had a firewall issue which I fixed by adding the following (copied from similar IPv4 before.rules settings) to /etc/ufw/before6.rules at the end before the commit statement: # allow bridging (for KVM) -I FORWARD -m physdev --physdev-is-bridged -j ACCEPT I am running the host on a Ubuntu 14.04 server so I guess I could have used dnsmasq but I didn't find any howto for it so I used radvd (which had to be installed) with the following configuration in /etc/radvd.conf: interface br0 { AdvSendAdvert on; AdvLinkMTU 1480; prefix 2a01:79d:xxx::/64 { AdvOnLink on; AdvAutonomous on; }; }; This didn't help though so I guess I must have configured it wrong? Any help appreciated. Br, Arne PS: I wish the Ubuntu documentation included how to configure virtualization to work with IPv6

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• Conditional attribute in XML - most concise solution?

  - by Lech Rzedzicki

  I am tasked with setting up conditional profiling - a method of tagging chunks of XML with an attribute, which will then be used as a conditional value to extract subset of that XML. Have a look at another definition/example: DITA profiling The XML is documents that are equivalent to printed books - i.e. documents that are often looked at by a human, even if indirectly. Therefore I am looking at a few requirements here: 1. keeping the value list brief - so it doesn't affect the readability of the document 2. be able to process with standard XML tools - a space-separated list inside an attribute is still probably fine, but I'd rather not use too much regexp for this 3. be obvious for various users, including 3rd parties, which content goes where 4. Be easy to maintain going forward Therefore one easy solution is: The problem with this: 1. As the list grows the value of the attribute can be a bit verbose 2. One needs to explicitly state every value even if it's a scenario of this vs everything else Therefore I am also looking at other approaches such as: 1. Using + and - modifiers, Apache htaccess style to override the default cascading of profiling - by default all content goes everywhere and if we want to exclude a bit we just say "-kindle". It does require parsing the whole tree, is not supported by editing tools and one needs to regexp the attribute value a bit deeper... 2. Using an intermediate file to define groups of values such as "other" or "non-print", example of this in DITA. It allows concise XML as well as different grouping and values for each document but it does create a certain level of abstraction which may make it a little less obvious for a 3rd party? Altogether, if you received such XML and were tasked to process it, which option you'd rather receive? If you have any experiences like that, even in an unrelated areas such a builds, don't hesitate to comment!

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• How can a non-technical person learn to write a spec for small projects?

  - by Joseph Turian

  How can a non-technical person learn to write specs for small projects? A friend of mine is trying to outsource some development on a statistics project. In particular, he does a lot of work in excel, and wants to outsource the creation of scripts to do what he now does by hand. However, my friend is extremely non-technical. He is poor at writing technical specs. When he does write a spec, it is written the way you would describe doing something in excel (go to this cell and then copy the value to that cell). It is also overly verbose, and does examples several times. I'm not sure if he properly describes corner cases. The first project he outsourced was a failure. I think he overdescribed some details, but underdescribed corner cases. That and/or the coder he hired didn't think through the corner cases and ask appropriate questions. I'm not sure. I got on IM with him and it took me half an hour to dig out a description that should have taken five minutes or less to describe. I wrote the scripts for him at the end, but didn't examine why his process with the coder failed. He has asked me for help. However, I refuse to get involved, because taking his spec and translating it into clear requirements is 10x more work than executing on a clearly written spec. What is the right way for him to learn? Are there resources he could use? Are there ways he can learn from small, low-pressure practice projects with coders? Most of his scripts are statistical and data processing oriented. e.g. take this column and run an average over it. Remove these rows under these conditions. So the challenge is different than spec'ing a web app.

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• Translation and Localization Resources for UX Designers

  - by ultan o'broin

  Here is a handy list of translation and localization-related resources for user experience professionals. Following these will help you design an easily translatable user experience. Most of the references here are for web pages or software. Fundamentally, remember your designs will be consumed globally, and never divorce the design process from the development or deployment effort that goes into bringing your designs to life in code. Ask yourself today: Do you know how the text you are using in your designs are delivered to the customer, even in English? Key areas that UX designers always seen to fall foul of, in my space anyway, are: Terminology that is impossible to translate (jargon, multiple modifiers, gerunds) or is used inconsistently Poorly written, verbose text (really, just write well in English, no special considerations) String construction (concatenation of parts assembled dynamically) Composite widget positioning (my favourite) Hard-coded fonts, small font sizes, or character formatting or casing that doesn't work globally Format that is not separate from content Restricted real estate not allowing for text expansion in translation Forcing formatting with breaks, and hard-coding alphabetical sorting Graphics that do not work in Bi-Di languages (because they indicate directionality and can't flip) or contain embedded text. The problems of culturally offensive icons are well known by now in the enterprise applications space, though there are some dangers, such as the use of flags to indicate language, for example. Resources Internationalization Techniques: Authoring HTML & CSS Global By Design Insert Title Here : Variables in Interface Language Prose: Internationalisation Doc and help considerations I can deal with later.

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• How can a non-technical person can learn to write a spec for small projects?

  - by Joseph Turian

  How can a non-technical person learn to write specs for small projects? A friend of mine is trying to outsource some development on a statistics project. In particular, he does a lot of work in excel, and wants to outsource the creation of scripts to do what he now does by hand. However, my friend is extremely non-technical. He is poor at writing technical specs. When he does write a spec, it is written the way you would describe doing something in excel (go to this cell and then copy the value to that cell). It is also overly verbose, and does examples several times. I'm not sure if he properly describes corner cases. The first project he outsourced was a failure. I think he overdescribed some details, but underdescribed corner cases. That and/or the coder he hired didn't think through the corner cases and ask appropriate questions. I'm not sure. I got on IM with him and it took me half an hour to dig out a description that should have taken five minutes or less to describe. I wrote the scripts for him at the end, but didn't examine why his process with the coder failed. He has asked me for help. However, I refuse to get involved, because taking his spec and translating it into clear requirements is 10x more work than executing on a clearly written spec. What is the right way for him to learn? Are there resources he could use? Are there ways he can learn from small, low-pressure practice projects with coders? [edit: Most of his scripts are statistical and data processing oriented. e.g. take this column and run an average over it. Remove these rows under these conditions. So the challenge is different than spec'ing a web app.]

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• debian/rules error "No rule to make target"

  - by Hairo

  i'm having some problems creating a .deb file with debuild before reading some tutorials i managed to make the file but i always get this error: make: *** No rule to make target «build». Stop. dpkg-buildpackage: failure: debian/rules build gave error exit status 2 debuild: fatal error at line 1329: dpkg-buildpackage -rfakeroot -D -us -uc -b failed Any help?? This is my debian rules file: #!/usr/bin/make -f # -*- makefile -*- # Sample debian/rules that uses debhelper. # This file was originally written by Joey Hess and Craig Small. # As a special exception, when this file is copied by dh-make into a # dh-make output file, you may use that output file without restriction. # This special exception was added by Craig Small in version 0.37 of dh-make. # Uncomment this to turn on verbose mode. #export DH_VERBOSE=1 build-stamp: configure-stamp dh_testdir touch build-stamp clean: dh_testdir dh_testroot rm -f build-stamp configure-stamp dh_clean install: build dh_testdir dh_testroot dh_clean -k dh_installdirs $(MAKE) install DESTDIR=$(CURDIR)/debian/pycounter mkdir -p $(CURDIR)/debian/pycounter # Copy .py files cp pycounter.py $(CURDIR)/debian/pycounter/opt/extras.ubuntu.com/pycounter/pycounter.py cp prefs.py $(CURDIR)/debian/pycounter/opt/extras.ubuntu.com/pycounter/prefs.py # desktop copyright and others (not complete, check) cp extras-pycounter.desktop $(CURDIR)/debian/pycounter/usr/share/applications/extras-pycounter.desktop

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• [SOLVED]Another version of this product is already installed. Installation of this version cannot continue. To configure or remove the existing version of this product, use Add/Remove Programs on the Control Panel

  - by kazim sardar mehdi

  Another version of this product is already installed.  Installation of this version cannot continue.  To configure or remove the existing version of this product, use Add/Remove Programs on the Control Panel I tried to install a new version of windows services that packed into 1 setup.msi and encounter the above mentioned error. To resolve it I tried google read lots of but then find the following article MSIEXEC - The power user's install steps to solve the error: 1. Execute the following command from command prompt: msiexec /i program_name.msi /lv logfile.log where program_name.msi is the new version /lv is log Verbose output   2. open up the logfile.log in the editor 3. find the GUID in it I found it like the following Product Code from property table before transforms: '{GUID}' 4. Above mentioned article suggest  to search it in the registry but to find the uninstall command. Try if you like to see it in the registry. you need to search twice to to get there there you I tried the following command as it mentioned in the above mentioned article but it didn’t work for me. so I keep digging until I got Windows 7 and Windows Installer Error “Another installation is in progress” It mentioned the use of msizap.exe 5.   by combining the commands from both the articles I able to uninstall the service successfully execute the following command from the visual studio command prompt if you already have installed or get it from Microsoft website http://msdn.microsoft.com/en-us/library/aa370523%28VS.85%29.aspx   msizap.exe TWP {GUID} it did the trick and removed the installed service successfully

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• Why do I have a gnomekeyring.IOError when doing "quickly share"?

  - by Agmenor

  When I want to push my app to Launchpad by doing quickly share --verbose, I get the following Gnome Keyring error: Get Launchpad Settings Traceback (most recent call last): File "/usr/share/quickly/templates/ubuntu-application/share.py", line 101, in <module> launchpad = launchpadaccess.initialize_lpi() File "/usr/lib/python2.7/dist-packages/quickly/launchpadaccess.py", line 91, in initialize_lpi allow_access_levels=["WRITE_PRIVATE"]) File "/usr/lib/python2.7/dist-packages/launchpadlib/launchpad.py", line 539, in login_with credential_save_failed, version) File "/usr/lib/python2.7/dist-packages/launchpadlib/launchpad.py", line 342, in _authorize_token_and_login authorization_engine.unique_consumer_id) File "/usr/lib/python2.7/dist-packages/launchpadlib/credentials.py", line 282, in load return self.do_load(unique_key) File "/usr/lib/python2.7/dist-packages/launchpadlib/credentials.py", line 336, in do_load 'launchpadlib', unique_key) File "/usr/lib/python2.7/dist-packages/keyring/core.py", line 34, in get_password return _keyring_backend.get_password(service_name, username) File "/usr/lib/python2.7/dist-packages/keyring/backend.py", line 154, in get_password items = gnomekeyring.find_network_password_sync(username, service) gnomekeyring.IOError ERROR: share command failed Aborting This used to work, so this means that I already have SSH and GPG configured. This is probably part of the explanation: I have this error when I am connected to this machine through a ssh tunnel with X forwarding. But I don't have it when I have physical access to the computer. Could you please give me some indications on what to do?

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• Does ssh key need to be named id_rsa?

  - by dustyprogrammer

  I have come across this problem a couple of times when creating build servers with keyed authentication. I was wondering if anyone else has experience this. I have a couple of keys for my current user that may connect to different machines. Let say machine1 and machine2. I have pasted my public key into their respective authorized_keys file. The first one I have named the first key id_rsa and the second key bender. When I try to connect to bender I get the following output with my verbose ssh connection debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Trying private key: /home/bozo/.ssh/.ssh/identity debug1: Trying private key: /home/bozo/.ssh/.ssh/id_rsa debug1: Trying private key: /home/bozo/.ssh/id_dsa debug1: No more authentication methods to try. Permission denied (publickey). It only offers the id_rsa key, as you can see above. Is this correct? If so why? How do I get it to offer more keys? I know it is a problem I see intermittently, because I at home I have multiple keys without much trouble. I would also appreciate a overview on how the pub and private keys interact with the client and server. I thought I had a pretty decent idea, but apparently I am missing something. Please and thank you.

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• Problems compiling with Quickly

  - by espectalll123

  Welcome to another of my questions about compiling! :P So, after days of stress trying to compile my app, first manually, after porting the project to Quickly, I decided to create the project from scratch using this time Quickly. Now I've finished the app, it works great using quickly run and I haven't added any new file, just removed, replaced or modified. But it can't be compiled using quickly package --verbose --extras... why, if there doesn't seems to be errors related with my project? The fail happens because python-mkdebian doesn't haves enough parameters to work. The terminal output (in Spanish): running install_egg_info Writing /tmp/tmpsT6Pms/virtuam-0.1.egg-info WARNING: the following files are not recognized by DistUtilsExtra.auto: help/C/figures/icon.png help/C/index.page help/C/preferences.page help/C/topic1.page virtuam.desktop.in Traceback (most recent call last): File "/usr/bin/python-mkdebian", line 368, in <module> egg = get_egg_info() File "/usr/bin/python-mkdebian", line 35, in get_egg_info k, v = l.strip().split(': ', 1) ValueError: need more than 1 value to unpack Ha ocurrido un error al crear el paquete Debian ERROR: no se puede crear o actualizar paquete ubuntu Error: la orden package ha fallado Cancelando

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• Log Blog

  - by PointsToShare

  © 2011 By: Dov Trietsch. All rights reserved Logging – A log blog In a another blog (Missing Fields and Defaults) I spoke about not doing a blog about log files, but then I looked at it again and realized that this is a nice opportunity to show a simple yet powerful tool and also deal with static variables and functions in C#. My log had to be able to answer a few simple logging rules:   To log or not to log? That is the question – Always log! That is the answer  Do we share a log? Even when a file is opened with a minimal lock, it does not share well and performance greatly suffers. So sharing a log is not a good idea. Also, when sharing, it is harder to find your particular entries and you have to establish rules about retention. My recommendation – Do Not Share!  How verbose? Your log can be very verbose – a good thing when testing, very terse – a good thing in day-to-day runs, or somewhere in between. You must be the judge. In my Blog, I elect to always report a run with start and end times, and always report errors. I normally use 5 levels of logging: 4 – write all, 3 – write more, 2 – write some, 1 – write errors and timing, 0 – write none. The code sample below is more general than that. It uses the config file to set the max log level and each call to the log assigns a level to the call itself. If the level is above the .config highest level, the line will not be written. Programmers decide which log belongs to which level and thus we can set the .config differently for production and testing.  Where do I keep the log? If your career is important to you, discuss this with the boss and with the system admin. We keep logs in the L: drive of our server and make sure that we have a directory for each app that needs a log. When adding a new app, add a new directory. The default location for the log is also found in the .config file Print One or Many? There are two options here:   1.     Print many, Open but once once – you start the stream and close it only when the program ends. This is what you can do when you perform in “batch” mode like in a console app or a stsadm extension.The advantage to this is that starting a closing a stream is expensive and time consuming and because we use a unique file, keeping it open for a long time does not cause contention problems. 2.     Print one entry at a time or Open many – every time you write a line, you start the stream, write to it and close it. This work for event receivers, feature receivers, and web parts. Here scalability requires us to create objects on the fly and get rid of them as soon as possible.  A default value of the onceOrMany resides in the .config.  All of the above applies to any windows or web application, not just SharePoint.  So as usual, here is a routine that does it all, and a few simple functions that call it for a variety of purposes.   So without further ado, here is app.config  <?xml version="1.0" encoding="utf-8" ?> <configuration>     <configSections>         <sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=2.0.0.0, Culture=neutral, ublicKeyToken=b77a5c561934e089" >         <section name="statics.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />         </sectionGroup>     </configSections>     <applicationSettings>         <statics.Properties.Settings>             <setting name="oneOrMany" serializeAs="String">                 <value>False</value>             </setting>             <setting name="logURI" serializeAs="String">                 <value>C:\staticLog.txt</value>             </setting>             <setting name="highestLevel" serializeAs="String">                 <value>2</value>             </setting>         </statics.Properties.Settings>     </applicationSettings> </configuration>   And now the code:  In order to persist the variables between calls and also to be able to persist (or not to persist) the log file itself, I created an EventLog class with static variables and functions. Static functions do not need an instance of the class in order to work. If you ever wondered why our Main function is static, the answer is that something needs to run before instantiation so that other objects may be instantiated, and this is what the “static” Main does. The various logging functions and variables are created as static because they do not need instantiation and as a fringe benefit they remain un-destroyed between calls. The Main function here is just used for testing. Note that it does not instantiate anything, just uses the log functions. This is possible because the functions are static. Also note that the function calls are of the form: Class.Function.  using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; namespace statics {       class Program     {         static void Main(string[] args)         {             //write a single line             EventLog.LogEvents("ha ha", 3, "C:\\hahafile.txt", 4, true, false);             //this single line will not be written because the msgLevel is too high             EventLog.LogEvents("baba", 3, "C:\\babafile.txt", 2, true, false);             //The next 4 lines will be written in succession - no closing             EventLog.LogLine("blah blah", 1);             EventLog.LogLine("da da", 1);             EventLog.LogLine("ma ma", 1);             EventLog.LogLine("lah lah", 1);             EventLog.CloseLog(); // log will close             //now with specific functions             EventLog.LogSingleLine("one line", 1);             //this is just a test, the log is already closed             EventLog.CloseLog();         }     }     public class EventLog     {         public static string logURI = Properties.Settings.Default.logURI;         public static bool isOneLine = Properties.Settings.Default.oneOrMany;         public static bool isOpen = false;         public static int highestLevel = Properties.Settings.Default.highestLevel;         public static StreamWriter sw;         /// <summary>         /// the program will "print" the msg into the log         /// unless msgLevel is > msgLimit         /// onceOrMany is true when once - the program will open the log         /// print the msg and close the log. False when many the program will         /// keep the log open until close = true         /// normally all the arguments will come from the app.config         /// called by many overloads of logLine         /// </summary>         /// <param name="msg"></param>         /// <param name="msgLevel"></param>         /// <param name="logFileName"></param>         /// <param name="msgLimit"></param>         /// <param name="onceOrMany"></param>         /// <param name="close"></param>         public static void LogEvents(string msg, int msgLevel, string logFileName, int msgLimit, bool oneOrMany, bool close)         {             //to print or not to print             if (msgLevel <= msgLimit)             {                 //open the file. from the argument (logFileName) or from the config (logURI)                 if (!isOpen)                 {                     string logFile = logFileName;                     if (logFileName == "")                     {                         logFile = logURI;                     }                     sw = new StreamWriter(logFile, true);                     sw.WriteLine("Started At: " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));                     isOpen = true;                 }                 //print                 sw.WriteLine(msg);             }             //close when instructed             if (close || oneOrMany)             {                 if (isOpen)                 {                     sw.WriteLine("Ended At: " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));                     sw.Close();                     isOpen = false;                 }             }         }           /// <summary>         /// The simplest, just msg and level         /// </summary>         /// <param name="msg"></param>         /// <param name="msgLevel"></param>         public static void LogLine(string msg, int msgLevel)         {             //use the given msg and msgLevel and all others are defaults             LogEvents(msg, msgLevel, "", highestLevel, isOneLine, false);         }                 /// <summary>         /// one line at a time - open print close         /// </summary>         /// <param name="msg"></param>         /// <param name="msgLevel"></param>         public static void LogSingleLine(string msg, int msgLevel)         {             LogEvents(msg, msgLevel, "", highestLevel, true, true);         }           /// <summary>         /// used to close. high level, low limit, once and close are set         /// </summary>         /// <param name="close"></param>         public static void CloseLog()         {             LogEvents("", 15, "", 1, true, true);         }           }     }   }   That’s all folks!

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• Check parameters annotated with @Nonnull for null?

  - by David Harkness

  We've begun using FindBugs with and annotating our parameters with @Nonnull appropriately, and it works great to point out bugs early in the cycle. So far we have continued checking these arguments for null using Guava's checkNotNull, but I would prefer to check for null only at the edges--places where the value can come in without having been checked for null, e.g., a SOAP request. // service layer accessible from outside public Person createPerson(@CheckForNull String name) { return new Person(Preconditions.checkNotNull(name)); } ... // internal constructor accessed only by the service layer public Person(@Nonnull String name) { this.name = Preconditions.checkNotNull(name); // remove this check? } I understand that @Nonnull does not block null values itself. However, given that FindBugs will point out anywhere a value is transferred from an unmarked field to one marked @Nonnull, can't we depend on it to catch these cases (which it does) without having to check these values for null everywhere they get passed around in the system? Am I naive to want to trust the tool and avoid these verbose checks? Bottom line: While it seems safe to remove the second null check below, is it bad practice? This question is perhaps too similar to Should one check for null if he does not expect null, but I'm asking specifically in relation to the @Nonnull annotation.

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• Why do apt-get and wget fail on my server when ping is working?

  - by klox

  Yesterday my server still OK, but today after try to sudo apt-get update i got this error: update process. I try: sudo rm /var/lib/apt/lists/* -vf And got This.Then try update again, but it's not solving my problem then show May be still same error. I checked my internet connection try ping google.com, get result : PING google.com (74.125.235.40) 56(84) bytes of data. From 136.198.117.254: icmp_seq=1 Redirect Network(New nexthop: fw1.jvc-jein.co.id (136.198.117.6)) 64 bytes from sin01s05-in-f8.1e100.net (74.125.235.40): icmp_req=1 ttl=53 time=20.6 ms 64 bytes from sin01s05-in-f8.1e100.net (74.125.235.40): icmp_req=2 ttl=53 time=18.2 ms 64 bytes from sin01s05-in-f8.1e100.net (74.125.235.40): icmp_req=3 ttl=53 time=33.0 ms 64 bytes from sin01s05-in-f8.1e100.net (74.125.235.40): icmp_req=4 ttl=53 time=30.0 ms 64 bytes from sin01s05-in-f8.1e100.net (74.125.235.40): icmp_req=5 ttl=53 time=28.1 ms In some sites said that may be it caused by getdeb server is down. try to install: jeinqa@SVRQAR:~$ sudo apt-get install pastebinit Reading package lists... Error! E: Encountered a section with no Package: header E: Problem with MergeList /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_precise-security_restricted_binary-amd64_Packages E: The package lists or status file could not be parsed or opened. try : sudo ufw status verbose result : Status: inactive

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