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• JDBC CLASSPATH Not Working

  - by AeroDroid

  I'm setting up a simple JDBC connection to my working MySQL database on my server. I'm using the Connector-J provided by MySQL. According to their documentation, I'm suppose to create the CLASSPATH variable to point to the directory where the mysql-connector-java-5.0.8-bin.jar is located. I used export set CLASSPATH=/path/mysql-connector-java-5.0.8-bin.jar:$CLASSPATH. When I type echo $CLASSPATH to see if it exists, everything seems fine. But then when I open a new terminal and type echo $CLASSPATH it's no longer there. I think this is the main reason why my Java server won't connect to the JDBC, because it isn't saving the CLASSPATH variable I set. Anyone got suggestions or fixes on how to set up JDBC in the first place?

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• How to get the IP Address for your Local Area Connection on Windows Server?

  - by Geo

  I want to create a batch or vbs file that will put together a url and executed. Part of that url needs to be the actual ip address of the machine. How I am able to get that IP address in a variable to include it on the script? EDIT 1: I found out that the command below will give me the IP Address, but still don't know how to get that value into a variable to use it in a script. c:\> wmic NICCONFIG WHERE IPEnabled=true GET IPAddress /format:csv Node,IPAddress IP-0AFB,{10.25.5.2}

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• how to set global PATH on OS X?

  - by lajos

  I'd like to append to the global PATH variable on OS X so that all user shells and GUI applications get the same PATH environment. I know I can append to the path in shell startup scripts, but those settings are not inherited by GUI applications. The only way I found so far is to redefine the PATH environment variable in /etc/launchd.conf: setenv PATH /usr/bin:/bin:/usr/sbin:/sbin:/my/path I coulnd't figure out a way to actually append to PATH in launchd.conf. I'm a bit worried about this method, but so far this is the only thing that works. Does anyone know of a better way?

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• CMD: Append to path without duplicating it?

  - by Horst Walter

  For one CMD session I can easily set a new path: SET PATH=%PATH%;"insert custom path here" Doing so in a batch file does not consider whether the custom path is already included. How do I avoid duplicating it (i.e. check whether it is already contained in the PATH "string"). Remarks: Related: How do I append user-defined environment variables to the system variable PATH in Windows 7? Related: How can I permanently append an entry into the system's PATH variable, via command line? Same question for UNIX: Add directory to $PATH if it's not already there

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• Command output as string

  - by rik

  I want to get output from command C:\Program Files (x86)\Java\jre7\bin\java.exe" -version as string variable. I tried this way: $out = &"C:\Program Files (x86)\Java\jre7\bin\java.exe" -version but it gives error message: java.exe : java version "1.7.0_05" At line:1 char:9 + $out = & <<<< "C:\Program Files (x86)\Java\jre7\bin\java.exe" -version + CategoryInfo : NotSpecified: (java version "1.7.0_05":String) [], RemoteException + FullyQualifiedErrorId : NativeCommandError Java(TM) SE Runtime Environment (build 1.7.0_05-b05) Java HotSpot(TM) Client VM (build 23.1-b03, mixed mode, sharing) $out variable seems empty. What am I doing wrong?

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• Does standard protocols provide additional info that zabbix_agentd doesn't?

  - by Jader Dias

  On Windows, is there any variable that I can get via SNMP or IPMI, but I can't collect from a zabbix_agentd?

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• wamp server REDIRECT_STATUS

  - by user143039

  I have noticed my remote server returns $_SERVER[REDIRECT_STATUS] with every request. Example: [REDIRECT_STATUS] = 200 But my localhost wamp server does not. Interestingly, when I manually set a header: Example: header('HTTP/1.1 302 Redirect This'); The variable: $_SERVER[REDIRECT_STATUS] is still not set. Though I can view the headers, including the one I set, with HttpFox. $_SERVER[REDIRECT_STATUS] is set when .htaccess throws(?) an ErrorDocument, like ErrorDocument 404 for example. Any ideas how to get wamp server to set the variable $_SERVER[REDIRECT_STATUS] with every request?

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• Percona system tables corrupted.

  - by Anand Jeyahar

  I am having problems setting up mysql replication with a percona as server. accidentally, took a full dump from mysql and restored it on percona and then started,the replication. now when i stop slave and start slave, i am getting the error "[ERROR] Failed to open the relay log './s5-bin.000003' (relay_log_pos 2029993) 110103 9:15:59 [ERROR] Could not find target log during relay log initialization " But show local variables shows the relay_log variable as set in the cnf file.. But the relay-log variable is set to slave-relay-bin alright. I am able to start mysql as a service. But mysqld_safe fails with error "110103 9:19:39 [ERROR] /usr/sbin/mysqld: Can't create/write to file '/var/run/mysqld/mysqld.pid' (Errcode: 2) 110103 9:19:39 [ERROR] Can't start server: can't create PID file: No such file or directory " Am now lost as to what is the problem.

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• Mac OS X 10.6 executable not found without full path

  - by Danack

  I just installed Apache via MacPorts. It seems that my Mac was absolutely confused about which version of the Apache executables to run. After moving the Apache executables that ship with the Mac to a directory that is not listed in the PATH variable, trying to run the httpd built by MacPorts fails even though the correct directory (/opt/local/apache2/bin) is listed in the PATH variable. If I navigate to the directory /opt/local/apache2/bin and type the command httpd I still get the error message -bash: httpd: command not found If I type the command with the full path /opt/local/apache2/bin/httpd it works fine. I've run the command alias to see if something was clashing but the only thing listed is: alias wget='curl -O' How do I find what is intercepting the command and preventing the executable being found in the directory, even when I'm inside the same directory? By the way, the httpd file is executable: -rwxr-xr-x 1 root admin 442496 9 May 2012 httpd

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• how to set global PATH on OS X?

  - by lajos

  I'd like to append to the global PATH variable on OS X so that all user shells and GUI applications get the same PATH environment. I know I can append to the path in shell startup scripts, but those settings are not inherited by GUI applications. The only way I found so far is to redefine the PATH environment variable in /etc/launchd.conf: setenv PATH /usr/bin:/bin:/usr/sbin:/sbin:/my/path I coulnd't figure out a way to actually append to PATH in launchd.conf. I'm a bit worried about this method, but so far this is the only thing that works. Does anyone know of a better way?

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• How can I make .vimrc read from an external file?

  - by GorillaSandwich

  I'd like to modify my .vimrc to read the value of a variable from an external file. How can I do this? Specifically, a friend and I share a git repo with our .vim files, but there are a few small differences in what we want in our configs. So most of the file is common, but we use if statements to determine whether to load user-specific sections, like this: let whoami = "user2" if whoami == "user1" ... After checking our common .vimrc out of source control, we each have to change the let whoami assignment so our own section will be loaded. Instead, I'd like to keep a separate file, which can be different for each of us, and from which vim will load that variable value. Maybe another angle on this is: Will vim automatically read all the files in my .vim directory? If so, we could each put a symlink in there called username.vim, and link that to an external file that would be different for each of us.

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• BASH_ENV ignored on solaris?

  - by Peeter Joot

  In my .bash_profile, executed for both my interactive and non-interactive logins are BASH_ENV=$HOME/.myinteractivestuff export BASH_ENV doing this for bash on Linux works fine, but on Solaris is not sourced: bash --version GNU bash, version 3.00.16(1)-release (sparc-sun-solaris2.10) Curiously, if I invoke screen within my login shell, BASH_ENV is then read. Are any restrictions on when $BASH_ENV is respected on Solaris? In my case I'm logging in with ssh using putty, but also tried unix to unix ssh, and telnet and see the same. Note that I know that my BASH_ENV variable assignment is being executed since I can echo this variable after login without any trouble (ie: ruling out the obvious possibility that my .bash_profile is also not being read).

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• Suhosin per-URL exceptions?

  - by STATUS_ACCESS_DENIED

  I am using SimpleID as my OpenID provider and it turns out that if I log on via pages like those on StackExchange, one of the parameters of the GET request gets dropped by Suhosin. The name of the variable is s and I presume it's responsible for the "return to URL" part after login. All of this is not a problem as long as I am already logged into SimpleID from before. However, as soon as the site on which I want to log in via OpenID ends up at the login screen of SimpleID, the redirect back to the site I came from does not work anymore due to the dropped variable. Is there a method to configure either on a per-virtual-host or per-URL basis to ignore the maximum length for GET requests with a parameter s exceeding the (globally) set limit? I'm using Apache 2.2, so I was wondering whether a mechanism similar to setting the PHP ini variables from within the server configuration exists for Suhosin.

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• Make nginx avoid cache if response contains Vary Accept-Language

  - by gioele

  The cache module of nginx version 1.1.19 does not take the Vary header into account. This means that nginx will serve the same request even if the content of one of the fields specified in the Vary header has changed. In my case I only care about the Accept-Language header, all the others have been taken care of. How can I make nginx cache everything except responses that have a Vary header that contains Accept-Language? I suppose I should have something like location / { proxy_cache cache; proxy_cache_valid 10m; proxy_cache_valid 404 1m; if ($some_header ~ "Accept-Language") { # WHAT IS THE HEADER TO USE? set $contains_accept_language # HOW SHOULD THIS VARIABLE BE SET? } proxy_no_cache $contains_accept_language proxy_http_version 1.1; proxy_pass http://localhost:8001; } but I do not know what is the variable name for "the Vary header received from the backend".

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• restart ssh in solaris

  - by laks

  I have added file with env.variable in .ssh/enviroment. How to restart ssh now , so that environmental will get refelcted

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• Is it possible to get the matched regex from within the apache LocationMatch directive?

  - by tftd

  I'm wondering if the following code should be working: <LocationMatch "/(.*)([/])?(.*)"> Order allow,deny Allow from all AuthType Basic AuthName "Git" AuthUserFile /git/.htpasswd AuthGroupFile /git/.htgroup Require group $1 </LocationMatch> What I am trying to achieve with this is to require a group based on the first regex variable. So if the user goes to http://localhost/a-repository-name he has to be in the group a-repository-name to be able to open the url. For some reason I can't get this code working and apache returns: Authorization of user **** to access /a-repository-name failed, reason: user is not part of the 'require'ed group(s). I guess it's not matching against the proper variable at Require group $1. Is this the right way to be done or I'm missing something?

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• Comments syntax for Idoc Script

  - by kyle.hatlestad

  Maybe this is widely known and I'm late to the party, but I just ran across the syntax for making comments in Idoc Script. It's been something I've been hoping to see for a long time. And it looks like it quietly snuck into the 10gR3 release. So for comments in Idoc Script, you simply [[% surround your comments in these symbols. %]] They can be on the same line or span multiple lines. If you look in the documentation, it still mentions making comments using the syntax. Well, that's certainly not an ideal approach. You're stuffing your comment into an actual variable, it's taking up memory, and you have to watch double-quotes in your comment. A perhaps better way in the old method is to start with my comments . Still not great, but now you're not assigning something to a variable and worrying about quotes. Unfortunately, this syntax only works in places that use the Idoc format. It can't be used in Idoc files that get indexed (.hcsp & .hcsf) and use the <!--$...--> format. For those, you'll need to continue using the older methods. While on the topic, I thought I would highlight a great plug-in to Notepad++ that Arnoud Koot here at Oracle wrote for Idoc Script. It does script highlighting as well as type-ahead/auto-completion for common variables, functions, and services. For some reason, I can never seem to remember if it's DOC_INFO_LATESTRELEASE or DOC_INFO_LATEST_RELEASE, so this certainly comes in handy. I've updated his plug-in to use this new comments syntax. You can download a copy of the plug-in here which includes installation instructions.

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• SQL SERVER – Difference Between DATETIME and DATETIME2 – WITH GETDATE

  - by pinaldave

  Earlier I wrote blog post SQL SERVER – Difference Between GETDATE and SYSDATETIME which inspired me to write SQL SERVER – Difference Between DATETIME and DATETIME2. Now earlier two blog post inspired me to write this blog post (and 4 emails and 3 reads from readers). I previously populated DATETIME and DATETIME2 field with SYSDATETIME, which gave me very different behavior as SYSDATETIME was rounded up/down for the DATETIME datatype. I just ran the same experiment but instead of populating SYSDATETIME in this script I will be using GETDATE function. DECLARE @Intveral INT SET @Intveral = 10000 CREATE TABLE #TimeTable (FirstDate DATETIME, LastDate DATETIME2) WHILE (@Intveral > 0) BEGIN INSERT #TimeTable (FirstDate, LastDate) VALUES (GETDATE(), GETDATE()) SET @Intveral = @Intveral - 1 END GO SELECT COUNT(DISTINCT FirstDate) D_FirstDate, COUNT(DISTINCT LastDate) D_LastDate FROM #TimeTable GO SELECT DISTINCT a.FirstDate, b.LastDate FROM #TimeTable a INNER JOIN #TimeTable b ON a.FirstDate = b.LastDate GO SELECT * FROM #TimeTable GO DROP TABLE #TimeTable GO Let us run above script and observe the results. You will find that the values of GETDATE which is populated in both the columns FirstDate and LastDate are very much same. This is because GETDATE is of datatype DATETIME and the precision of the GETDATE is smaller than DATETIME2 there is no rounding happening. In other word, this experiment is pointless. I have included this as I got 4 emails and 3 twitter questions on this subject. If your datatype of variable is smaller than column datatype there is no manipulation of data, if data type of variable is larger than column datatype the data is rounded. Reference: Pinal Dave (http://www.SQLAuthority.com) Filed under: Pinal Dave, SQL, SQL Authority, SQL DateTime, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology

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• How to set the service endPoint URI dynamically in SOA Suite 11gR1 by Sylvain Grosjean’s

  - by JuergenKress

  Use Case : This example demonstrates how to get the URI of the backend service from a repository and how to set it dynamically to our partnerLink (dynamicPartnerLink). Implementation steps : Create a dvm file Create a BPEL component Add the endPointURI variable and assign the uri Set the endpointURI property in the invoke activity 1. Create a DVM file : In order to define our repository, we are going to use DVM (Data Value Maps) : For more explanation regarding DVM, you should read this documentation. 2. Create a BPEL Component : First you need to implement the simple bpel process like this : - The AssignPayload is used to set the inputvariable of our invoke activity. - The AssignEndpointURI is used to dynamically set the endPointURI variable from our DVM repository - The invoke activity to call the external service Read the complete article here. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Technorati Tags: human task,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress,Sylvain Grosjean

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• PHP won't load php.ini

  - by Chuck

  I am racking my brain here and I must be doing something really stupid. I'm trying to setup PHP on Win2008 R2/IIS 7.5. I unpacked php538 into c:\php538 and renamed the php.ini-development to php.ini. Then i tried going to a command prompt and running: c:\php358\php -info I get: Configuration File (php.ini) Path => C:\windows Loaded Configuration File => (none)Scan this dir for additional .ini files => (none) Additional .ini files parsed => (none) Loaded Configuration File => (none) Scan this dir for additional .ini files => (none) Additional .ini files parsed => (none) I have tried using php5217. I tried putting php.ini in c:\windows. I tried creating the PHPRC envrionment variable and pointing it to c:\php358. Every time I have the same problem. PHP does not find or load the ini file. If I run: c:\php358\php -c php.ini -info Then it will load the file. But I shouldn't have to do this for PHP to find the file in the same directory, in the Windows directory, or using the environment variable, so I'm stumped. When I try to run PHP from IIS I get a 500 error and I can only assume at this time it is because it can't find and load the php.ini file correctly. I see similar questions on here, but none seem to address the problem I am having.

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• Why does display:table-cell not center content without display:table?

  - by Samuel

  I'm looking for the most efficient (or elegant) way to vertically and horizontally center content of variable height. I've come up with this: http://cssdeck.com/t/2veysdkg/16, which uses css tables to vertically center the main content. My demands for writing this particular piece of code were: Must be able to center variable and fixed width content vertically and horizontally Centered content must be inside the normal document flow (so no overlapping) Sticky footer and normal header of 100% width As few hacks, ugly code or non-semantic html as possible I didn't care about support for IE6, IE7 (I'll use a different stylesheet for them) The weird thing is that the demands above are only met when the header and footer are set to table-row, and the body-tag to display:table. Which is weird because as I understand it the css will generate anonymous table elements when parent table elements are missing. So table-cell should work without all the surrounding elements, but yet I've not been able to make it work. If it were up to me I would prefer to not mess with the display mode for the body tag, and leave the header and footer on display:block. But I've not been able to make it work. Does anyone understand why this doesn't work?

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• emca fails with "Database instance is unavailable" though available

  - by Giri Mandalika

  The following example shows the symptoms of failure, and the exact error message. $ emca -repos create ... Password for SYSMAN user: Do you wish to continue? [yes(Y)/no(N)]: Y Nov 19, 2012 10:33:42 AM oracle.sysman.emcp.DatabaseChecks \ checkDbAvailabilityImpl WARNING: ORA-01034: ORACLE not available Nov 19, 2012 10:33:42 AM oracle.sysman.emcp.DatabaseChecks \ throwDBUnavailableException SEVERE: Database instance is unavailable. Fix the ORA error thrown and run EM Configuration Assistant again. Some of the possible reasons may be : 1) Database may not be up. 2) Database is started setting environment variable ORACLE_HOME with trailing '/'. Reset ORACLE_HOME and bounce the database. For eg. Database is started setting environment variable ORACLE_HOME=/scratch/db/ . Reset ORACLE_HOME=/scratch/db and bounce the database. Fix: Ensure that the ORACLE_HOME is pointing to the right location in $ORACLE_HOME/bin/emca file. Rather than installing from scratch, if ORACLE_HOME was copied over from another location, likely it results in wrong location for ORACLE_HOME in several Enterprise Manager (EM) specific scripts and files. It usually happens when the directory structure on the target machine is not identical to the structure on the original/source machine, including the top level directory location where Oracle RDBMS was installed properly using the installer.

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• Is there any functional difference between immutable value types and immutable reference types?

  - by Kendall Frey

  Value types are types which do not have an identity. When one variable is modified, other instances are not. Using Javascript syntax as an example, here is how a value type works. var foo = { a: 42 }; var bar = foo; bar.a = 0; // foo.a is still 42 Reference types are types which do have an identity. When one variable is modified, other instances are as well. Here is how a reference type works. var foo = { a: 42 }; var bar = foo; bar.a = 0; // foo.a is now 0 Note how the example uses mutatable objects to show the difference. If the objects were immutable, you couldn't do that, so that kind of testing for value/reference types doesn't work. Is there any functional difference between immutable value types and immutable reference types? Is there any algorithm that can tell the difference between a reference type and a value type if they are immutable? Reflection is cheating. I'm wondering this mostly out of curiosity.

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• Am I wrong to disagree with A Gentle Introduction to symfony's template best practices?

  - by AndrewKS

  I am currently learning symfony and going through the book A Gentle Introduction to symfony and came across this section in "Chapter 4: The Basics of Page Creation" on creating templates (or views): "If you need to execute some PHP code in the template, you should avoid using the usual PHP syntax, as shown in Listing 4-4. Instead, write your templates using the PHP alternative syntax, as shown in Listing 4-5, to keep the code understandable for non-PHP programmers." Listing 4-4 - The Usual PHP Syntax, Good for Actions, But Bad for Templates <p>Hello, world!</p> <?php if ($test) { echo "<p>".time()."</p>"; } ?> (The ironic thing about this is that echo statement would look even better if time was variable declared in the controller, because then you could just embed the variable in the string instead of concatenating) Listing 4-5 - The Alternative PHP Syntax, Good for Templates <p>Hello, world!</p> <?php if ($test): ?> <p><?php echo time(); ?> </p><?php endif; ?> I fail to see how listing 4-5 makes the code "understandable for non-PHP programmers", and its readability is shaky at best. 4-4 looks much more readable to me. Are there any programmers who are using symfony that write their templates like those in 4-4 rather than 4-5? Are there reasons I should use one over the other? There is the very slim chance that somewhere down the road someone less technical could be editing it the template, but how does 4-5 actually make it more understandable to them?

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• Keeping multiple root directories in a single partition

  - by intuited

  I'm working out a partition scheme for a new install. I'd like to keep the root filesystem fairly small and static, so that I can use LVM snapshots to do backups without having to allocate a ton of space for the snapshot. However, I'd also like to keep the number of total partitions small. Even with LVM, there's inevitably some wasted space and it's still annoying and vaguely dangerous to allocate more. So there seem to be a couple of different options: Have the partition that will contain bulky, variable files, like /srv, /var, and /home, be the root partition, and arrange for the core system state — /etc, /usr, /lib, etc. — to live in a second partition. These files can (I think) be backed up using a different backup scheme, and I don't think LVM snapshots will be necessary for them. The opposite: putting the big variable directories on the second partition, and having the essential system directories live on the root FS. Either of these options require that certain directories be pointers of some variety to subdirectories of a second partition. I'm aware of two different ways to do this: symlinks and bind-mounts. Is one better than the other for this purpose? Is there another option? Do any of the various Ubuntu installation media/strategies support this style of partition layout?

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