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• How to set up django-admin.py on windows vista?

  - by shin

  I manage to install Django after some struggles by using setup.py install on Windows Vista Now I tried to use django-admin.py but it is not working. According to this document, http://docs.djangoproject.com/en/dev/ref/django-admin/ The django-admin.py script should be on your system path if you installed Django via its setup.py utility. If it’s not on your path, ... For Windows users, who do not have symlinking functionality available, you can copy django-admin.py to a location on your existing path or edit the PATH settings (under Settings - Control Panel - System - Advanced - Environment...) to point to its installed location. I checked ComputerpropertiesEnvironment Variables, but path to django-admin.py is not in anywhere. So I added C:\Python25\Lib\site-packages\django\bin which is the folder of django-admin.py in User variables for shin Variable PATH, Value C:\Program Files\Google\google_appengine\;C:\Python25\Lib\site-packages\django\bin\ Am I supposed to add to System variables?? But it still does not work. Could anyone tell me how to add the Path in Environment Variables please? Thanks in advance.

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• capturing CMD batch file parameter list; write to file for later processing

  - by BobB

  I have written a batch file that is launched as a post processing utility by a program. The batch file reads ~24 parameters supplied by the calling program, stores them into variables, and then writes them to various text files. Since the max input variable in CMD is %9, it's necessary to use the 'shift' command to repeatedly read and store these individually to named variables. Because the program outputs several similar batch files, the result is opening several CMD windows sequentially, assigning variables and writing data files. This ties up the calling program for too long. It occurs to me that I could free up the calling program much faster if maybe there's a way to write a very simple batch file that can write all the command parameters to a text file, where I can process them later. Basically, just grab the parameter list, write it and done. Q: Is there some way to treat an entire series of parameter data as one big text string and write it to one big variable... and then echo the whole big thing to one text file? Then later read the string into %n variables when there's no program waiting to resume? Parameter list is something like 25 - 30 words, less than 200 characters. Sample parameter list: "First Name" "Lastname" "123 Steet Name Way" "Cityname" ST 12345 1004968 06/01/2010 "Firstname+Lastname" 101738 "On Account" 20.67 xy-1z 1 8.95 3.00 1.39 0 0 239 8.95 Items in quotes are processed as string variables. List is space delimited. Any suggestions?

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• Best way to test for a variable's existence in PHP; isset() is clearly broken

  - by chazomaticus

  From the isset() docs: isset() will return FALSE if testing a variable that has been set to NULL. Basically, isset() doesn't check for whether the variable is set at all, but whether it's set to anything but NULL. Given that, what's the best way to actually check for the existence of a variable? I tried something like: if(isset($v) || @is_null($v)) (the @ is necessary to avoid the warning when $v is not set) but is_null() has a similar problem to isset(): it returns TRUE on unset variables! It also appears that: @($v === NULL) works exactly like @is_null($v), so that's out, too. How are we supposed to reliably check for the existence of a variable in PHP? Edit: there is clearly a difference in PHP between variables that are not set, and variables that are set to NULL: <?php $a = array('b' => NULL); var_dump($a); PHP shows that $a['b'] exists, and has a NULL value. If you add: var_dump(isset($a['b'])); var_dump(isset($a['c'])); you can see the ambiguity I'm talking about with the isset() function. Here's the output of all three of these var_dump()s: array(1) { ["b"]=> NULL } bool(false) bool(false) Further edit: two things. One, a use case. An array being turned into the data of an SQL UPDATE statement, where the array's keys are the table's columns, and the array's values are the values to be applied to each column. Any of the table's columns can hold a NULL value, signified by passing a NULL value in the array. You need a way to differentiate between an array key not existing, and an array's value being set to NULL; that's the difference between not updating the column's value and updating the column's value to NULL. Second, Zoredache's answer, array_key_exists() works correctly, for my above use case and for any global variables: <?php $a = NULL; var_dump(array_key_exists('a', $GLOBALS)); var_dump(array_key_exists('b', $GLOBALS)); outputs: bool(true) bool(false) Since that properly handles just about everywhere I can see there being any ambiguity between variables that don't exist and variables that are set to NULL, I'm calling array_key_exists() the official easiest way in PHP to truly check for the existence of a variable. (Only other case I can think of is for class properties, for which there's property_exists(), which, according to its docs, works similarly to array_key_exists() in that it properly distinguishes between not being set and being set to NULL.)

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• Please help me with a Power shell Script which rearranges Paths.

  - by Hamish Grubijan

  Hi, I have both Sybase and MSFT SQL Servers installed. There is a time when Sybase interferes with MS SQL because they have they have some overlapping commands. So, I need two scripts: A) When runs, script A backs up the current path, grabs all paths that contain sybase or SYBASE or SyBASE (you get the point) in them and move them all at the very end of the path, while preserving the order. B) When it runs, script B restores the path from back-up. Both script a and script b should affect the path immediately. So, if a.bat that calls patha.ps1, pathb.ps1 looks like so: @REM Old path here call patha.ps1 @REM At this point the effective path should be different. call pathb.ps1 @REM Effective old path again Please let me know if this does not make sense. I am not sure if call command is the best one to use. I have never used P.S. before. I can try to formulate the same thing in Python (I know S.O. users tend to ask for "What have you tried so far"). Well, at this point I am VERY slow at writing anything in Power Shell language. Please help.

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• Sending / Forwarding variable arguments in ObjectiveC

  - by Authman Apatira

  I know this is possible in other programming languages. Suppose we have the following arrangement: - (void) myMethod:(NSString*)variables, ... { // Handle business here. } - (void) anotherMethod:(NSString*)variables, ... { // We want to pass these variable arguments for handling [self myMethod:variables, ...]; // Do not pass GO } // Start the party: [self anotherMethod:@"arg1", @"arg2", @"arg3", @"arg4", nil]; What's the trick to get this working in ObjC?

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• How to copy path on a mac?

  - by AngryHacker

  Windows refugee here. On Windows you can easily copy the path and paste it elsewhere to get to the directory. Here is the situation on the Mac. I am in the Finder 20 folders down and I see the file I want. I go to my application and want to open it, so I pick Open Document from the File menu. However, it is exceedingly difficult and time-consuming to get to the place I want. Is there a way to copy the path in the finder and paste it in the File Open dialog of my application?

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• haproxy modify request path

  - by zcourts

  I'm just getting started with HAProxy and I was wondering if its possible to modify the request path for an HTTP request. One of the backend server uses Dropwizard and its assets bundle see here bundle. In my setup /xyz serves static assets /api/xyz serves REST resources With HAProxy I want requests from api.host.com/xyz to be sent to backend/api/xyz and requests from host.com to be sent to backend/ I've gotten most of that working but I can't figure out how to tell HAProxy to change the path, prepending /api/ to anything from api.host.com Is this possible or am I going about this the wrong way?

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• How to make TimeMachine back up contents of any path or mounted volume

  - by Olfan

  I keep different types of data in different encrypted sparsebundle images (say, one for each client) which automatically mount upon login but can't be opened by anybody other than myself. So, after login I have a number of virtual volumes in /Volumes/ which keeps my client data both secure and organized. How do I include data inside these virtual Volumes in TimeMachine's backups, or data residing in any path on any partition/volume? I found a promising solution description at blog.eurocomp.info involving editing the com.apple.TimeMachine.plist but all I can get TimeMachine to do is backing up the sparsebundle files themselves. I want it to back up the files inside the mounted image, though - something like adding /Volumes/Client_abc/ to TimeMachine's search path. Please do not redirect my to this previous question as it doesn't solve the problem at all. Please also refrain from telling me why you think I should not want this answer as that will not solve anything either. Please lastly don't say "it can't be done" unless you can technically prove that claim.

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• Is there a path from OpenSCAD to WebGL?

  - by Andrew Domaszek

  tl;dr version, Does a software path exist to convert from openscad input to render on a website via webgl? What I'm trying to do is display OpenSCAD created designs uploaded via post on a LEMPy driven website; this is currently done by outputting to a static png image. I would like to render one of openscad's export formats(wikibooks) and convert for display in javascript/webgl through some software path available via linux batch. CPU and RAM are relatively unconstrained but no GPU available. I've looked into CopperLeicht, but it requires CopperCube output which would require windows or wine. FOSS is preferred but not required. edit: I found three.js has converters for fbx, dae, obj, and 3ds formats which might be helpful as one of the last steps.

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• rvm doesnt work when specifiying the path...?

  - by jtzero

  when typing in the path to the rvm it doesnt work $which rvm /usr/local/bin/rvm $ruby -v ruby 1.9.2p0 (2010-08-18 revision 29036) [i686-linux] $/usr/local/bin/rvm use 1.8.7 Using /usr/local/rvm/gems/ruby-1.8.7-p302 $ruby -v ruby 1.9.2p0 (2010-08-18 revision 29036) [i686-linux] #now w/o the path $rvm use 1.8.7 Using /usr/local/rvm/gems/ruby-1.8.7-p302 $ruby -v ruby 1.8.7 (2010-08-16 patchlevel 302) [i686-linux] $whereis rvm rvm: /usr/local/bin/rvm /usr/local/lib/rvm /usr/local/rvm .... /etc/bash.bashrc .... if [[ -n "$PS1" ]]; then ... [[ -s "/usr/local/rvm/scripts/rvm" ]] && . "/usr/local/rvm/scripts/rvm" anyone seen this?

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• How to set path of Virtual PC hard disk differencing parent

  - by Barry Kelly

  I have an old Windows XP Mode vhd backed up from my previous system, but I'm having difficulty getting it running on the new system. The vhd is a differencing disk, and its parent is the standard Windows XP Mode base; I still have the old parent, and have verified it is binary identical to the XP Mode base in my new installation of XP Mode. But in the new system, the path to the differencing disk parent is different than the old. When I open up the settings for the .vmcx for my old XP mode, and select "Hard Disk 1", the "Virtual hard disk file" is set correctly, but the "Parent Disk:" field is pointing at the wrong path, and I can't see any way to edit it. Does anyone know how?

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• How could I find out the path to the current desktop image, for Windows 8

  - by Scott Bennett-McLeish

  Having recently upgraded to Windows 8, my script to retrieve the current desktop wallpaper image has broken. For Windows 7, How could I find out the path to the current desktop image?, this works great. However, that registry key now always contains C:\Windows\web\wallpaper\Windows\img0.jpg What is the new registry key used for Windows 8? I've found two possible solutions. Firstly, this key contains what looks like a Base64 encoded path: HKCU/Software/Microsoft/Windows/CurrentVersion/Explorer/Wallpapers/Images/ID2 And then there is the "custom theme properties file" which also contains a "[SlideShow]" section which looks like Base64: C:\Users\Scott\AppData\Local\Microsoft\Windows\Themes\Custom.theme

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• Executing symbolic link to exe - "The specified path does not exist"

  - by basic6

  When trying to execute a symbolic link which points to an exe file (on Windows 7), the "Open with" windows appears. When renaming it to a ".exe" file, it says "The specified path does not exist. Check the path, and then try again.". Symlinks to other destinations seem to work fine. I know that because hard links are a reference to the file's inode, they do not have this issue. But because of their disadvantages (like replacing "target file" not possible), I avoid hard links. And Windows shortcuts (lnk files) aren't filesystem links. Although I haven't had any trouble with them yet, I'd rather avoid them as well. So is there any way to execute a symlink?

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• apache mod_proxy or mod_rewrite for hide a root of a webserver behind a path

  - by Giovanni Nervi

  I have 2 apache 2.2.21 one external and one internal, I need to map the internal apache behind a path in external apache, but I have some problems with absolute url. I tried these configurations: RewriteEngine on RewriteRule ^/externalpath/(.*)$ http://internal-apache.test.com/$1 [L,P,QSA] ProxyPassReverse /externalpath/ http://internal-apache.test.com/ or <Location /externalpath/> ProxyPass http://internal-apache.test.com/ ProxyPassReverse http://internal-apache.test.com/ </Location> My internal apache use absolute path for search resources as images, css and html and I can't change it now. Some suggestions? Thank you

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• How to copy file path on a mac?

  - by AngryHacker

  Windows refugee here. On Windows you can easily copy the path and paste it elsewhere to get to the directory. Here is the situation on the Mac. I am in the Finder 20 folders down and I see the file I want. I go to my application and want to open it, so I pick Open Document from the File menu. However, it is exceedingly difficult and time-consuming to get to the place I want. Is there a way to copy the path in the finder and paste it in the File Open dialog of my application?

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• Hadoop is not able to find JAVA_HOME properly

  - by Shekhar

  I am trying to run hadoop my Ubuntu OS. I have set JAVA_HOME variable in ~/.bashrc file to /usr/lib/jvm/jdk1.7.0_01/ but when I run hadoop namenode -format command it fails with following errors : shekhar@ubuntu:/usr$ hadoop namenode -format Warning: $HADOOP_HOME is deprecated. /host/Shekhar/Softwares/hadoop-1.0.0/bin/hadoop: line 321: /usr/jdk1.7.0_01/bin/java: No such file or directory /host/Shekhar/Softwares/hadoop-1.0.0/bin/hadoop: line 387: /usr/jdk1.7.0_01/bin/java: No such file or directory hadoop tries to locate java command at /usr/jdk1.7.0_01/bin/ path. Clearly somehow it missed /lib/jvm folder. I am not able to understand why and how this is happening. my echo $PATH command gives following output : shekhar@ubuntu:/usr$ echo $PATH /usr/lib/jvm/jdk1.7.0_01/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/lib/jvm/jdk1.7.0_01/bin:/host/Shekhar/Softwares/hadoop-1.0.0/bin If I run which java command I get following output : shekhar@ubuntu:/usr$ which java /usr/lib/jvm/jdk1.7.0_01/bin/java and echo $JAVA_HOME returns following output : shekhar@ubuntu:/usr$ echo $JAVA_HOME /usr/lib/jvm/jdk1.7.0_01 I would like to know why hadoop is taking JAVA_HOME path incorrectly. Please help...

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• Windows cmd does not recognize xx.exe even though xx.exe is in system path

  - by July

  I installed 7-zip and add its directory to system path: C:\Program Files\7-Zip to PATH, from windows start-input cmd and press enter, Windows command line is started, i type 7z.exe, then press enter, it just run. However when i start command line this way: cmd.exe /c start {projectDir} /D{driveLetter} cmd /K then i type 7z.exe, it gives me error because it can not find 7z.exe. why and how to fix? P.S. 1. I'm on Win7. 2. For some other apps, the above way did works, that's why i'm so confused how bat works.

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• How to config PHP libxml path after updated libxml from 2.2.26 to 2.9

  - by Cauliturtle

  our servers need to update the libxml2 version from 2.2.26 to 2.9 (latest version). It is no problem that we have been installed the libxml2-2.9 version on our servers. but the problem is how can we config the libs path of libxml2 path in php? Since it still show the old version on phpinfo(). What we have do is 1. Install libxml2 2.7.X on CentOS 5.X Using yum to install local files, and typed yum info libxml2, it shows 2.9 was installed. Thanks!

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• solaris + EMC + power-path

  - by yael

  please advice - when I run powercf command on my Solaris machine , which changes this command do on the EMC storage , or on Solaris file system ? from maanual page: DESCRIPTION During system boot on Solaris hosts, the powercf utility configures PowerPath devices by scanning the HBAs for both single-ported and multiported storage system logical dev- ices. (A multiported logical device shows up on two or more HBAs with the same storage system subsystem/device identity. The identity comes from the serial number for the logical device.) For each storage system logical device found in the scan of the HBAs, powercf creates a corresponding emcpower device entry in the emcp.conf file, and it saves a primary path and an alternate primary path to that device.

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• Make a animation path separated by clicks

  - by Tomáš Zato

  I have a long text on powerpoint slide. Instead of separating it on multiple slides, I made an animation that moves it up using animation path, so that text hidden at bottom appears while text on top goes off screen. However, I need more move animations to reaveal more text (the text takes more than 2 screens). This means, I need two (or more) animation paths (of the same length) and I want them to move obejct from position, where the last path has left it. Instead, multiple animations always operate with objects original position. That's useless. You can download test document, where I made an example of what I want: animation test.pptx

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• "The network path was not found" - shortening the delay before Windows tries again

  - by Harry Johnston

  If I try to connect (over Windows file sharing) to a machine that has gone to sleep, I get a timeout followed by "The network path was not found". If I then wake the machine and try again, I still get "The network path was not found" because the connection failure has been cached. If I wait a while (about 30 seconds?) and then try again I can connect successfully. I understand this behaviour. My question is: is there any way to shorten the delay before I can try the connection again?

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• Trying to install mysql then lots of brew doctor errors

  - by gdi2290

  I couldn't install mysql I get this brew install mysql Error: You must `brew link cmake' before mysql can be installed so then I type brew ink cmake Linking /usr/local/Cellar/cmake/2.8.8... Error: Could not symlink file: /usr/local/Cellar/cmake/2.8.8/share/doc/cmake /usr/local/share/doc is not writable. You should change its permissions. when I typed brew doctor I get this Error: Some directories in /usr/local/share/locale aren't writable. This can happen if you "sudo make install" software that isn't managed by Homebrew. If a brew tries to add locale information to one of these directories, then the install will fail during the link step. You should probably chown them: /usr/local/share/locale/ar /usr/local/share/locale/ar/LC_MESSAGES /usr/local/share/locale/be /usr/local/share/locale/be/LC_MESSAGES /usr/local/share/locale/bg /usr/local/share/locale/bg/LC_MESSAGES /usr/local/share/locale/bs /usr/local/share/locale/bs/LC_MESSAGES /usr/local/share/locale/ca /usr/local/share/locale/ca/LC_MESSAGES /usr/local/share/locale/cs /usr/local/share/locale/cs/LC_MESSAGES /usr/local/share/locale/da /usr/local/share/locale/da/LC_MESSAGES /usr/local/share/locale/de /usr/local/share/locale/de/LC_MESSAGES /usr/local/share/locale/de_AT /usr/local/share/locale/de_AT/LC_MESSAGES /usr/local/share/locale/de_CH /usr/local/share/locale/de_CH/LC_MESSAGES /usr/local/share/locale/de_DE /usr/local/share/locale/de_DE/LC_MESSAGES /usr/local/share/locale/el /usr/local/share/locale/el/LC_MESSAGES /usr/local/share/locale/en_AU /usr/local/share/locale/en_AU/LC_MESSAGES /usr/local/share/locale/en_CA /usr/local/share/locale/en_CA/LC_MESSAGES /usr/local/share/locale/en_GB /usr/local/share/locale/en_GB/LC_MESSAGES /usr/local/share/locale/eo /usr/local/share/locale/eo/LC_MESSAGES /usr/local/share/locale/es /usr/local/share/locale/es/LC_MESSAGES /usr/local/share/locale/es_ES /usr/local/share/locale/es_ES/LC_MESSAGES /usr/local/share/locale/es_PE /usr/local/share/locale/es_PE/LC_MESSAGES /usr/local/share/locale/et /usr/local/share/locale/et/LC_MESSAGES /usr/local/share/locale/fi /usr/local/share/locale/fi/LC_MESSAGES /usr/local/share/locale/fr /usr/local/share/locale/fr/LC_MESSAGES /usr/local/share/locale/fr_FR /usr/local/share/locale/fr_FR/LC_MESSAGES /usr/local/share/locale/gl /usr/local/share/locale/gl/LC_MESSAGES /usr/local/share/locale/he /usr/local/share/locale/he/LC_MESSAGES /usr/local/share/locale/hi /usr/local/share/locale/hi/LC_MESSAGES /usr/local/share/locale/hr /usr/local/share/locale/hr/LC_MESSAGES /usr/local/share/locale/hu /usr/local/share/locale/hu/LC_MESSAGES /usr/local/share/locale/hu_HU /usr/local/share/locale/hu_HU/LC_MESSAGES /usr/local/share/locale/id /usr/local/share/locale/id/LC_MESSAGES /usr/local/share/locale/it /usr/local/share/locale/it/LC_MESSAGES /usr/local/share/locale/ja /usr/local/share/locale/ja/LC_MESSAGES /usr/local/share/locale/ka /usr/local/share/locale/ka/LC_MESSAGES /usr/local/share/locale/ko /usr/local/share/locale/ko/LC_MESSAGES /usr/local/share/locale/lv /usr/local/share/locale/lv/LC_MESSAGES /usr/local/share/locale/mr /usr/local/share/locale/mr/LC_MESSAGES /usr/local/share/locale/nb /usr/local/share/locale/nb/LC_MESSAGES /usr/local/share/locale/nds /usr/local/share/locale/nds/LC_MESSAGES /usr/local/share/locale/nl /usr/local/share/locale/nl/LC_MESSAGES /usr/local/share/locale/nn /usr/local/share/locale/nn/LC_MESSAGES /usr/local/share/locale/oc /usr/local/share/locale/oc/LC_MESSAGES /usr/local/share/locale/pl /usr/local/share/locale/pl/LC_MESSAGES /usr/local/share/locale/pt /usr/local/share/locale/pt/LC_MESSAGES /usr/local/share/locale/pt_BR /usr/local/share/locale/pt_BR/LC_MESSAGES /usr/local/share/locale/pt_PT /usr/local/share/locale/pt_PT/LC_MESSAGES /usr/local/share/locale/ro /usr/local/share/locale/ro/LC_MESSAGES /usr/local/share/locale/ru /usr/local/share/locale/ru/LC_MESSAGES /usr/local/share/locale/sk /usr/local/share/locale/sk/LC_MESSAGES /usr/local/share/locale/sr /usr/local/share/locale/sr/LC_MESSAGES /usr/local/share/locale/sv /usr/local/share/locale/sv/LC_MESSAGES /usr/local/share/locale/ta /usr/local/share/locale/ta/LC_MESSAGES /usr/local/share/locale/te /usr/local/share/locale/te/LC_MESSAGES /usr/local/share/locale/tr /usr/local/share/locale/tr/LC_MESSAGES /usr/local/share/locale/uk /usr/local/share/locale/uk/LC_MESSAGES /usr/local/share/locale/vi /usr/local/share/locale/vi/LC_MESSAGES /usr/local/share/locale/zh_CN /usr/local/share/locale/zh_CN/LC_MESSAGES /usr/local/share/locale/zh_HK /usr/local/share/locale/zh_HK/LC_MESSAGES /usr/local/share/locale/zh_TW /usr/local/share/locale/zh_TW/LC_MESSAGES Error: The /usr/local directory is not writable. Even if this directory was writable when you installed Homebrew, other software may change permissions on this directory. Some versions of the "InstantOn" component of Airfoil are known to do this. You should probably change the ownership and permissions of /usr/local back to your user account. Error: "config" scripts exist outside your system or Homebrew directories. ./configure scripts often look for *-config scripts to determine if software packages are installed, and what additional flags to use when compiling and linking. Having additional scripts in your path can confuse software installed via Homebrew if the config script overrides a system or Homebrew provided script of the same name. We found the following "config" scripts: /opt/sm/pkg/active/bin/curl-config /opt/sm/pkg/active/bin/ncurses5-config /opt/sm/pkg/active/bin/ncursesw5-config /opt/sm/pkg/active/bin/pkg-config /opt/sm/pkg/active/bin/xml2-config /opt/sm/pkg/active/bin/xslt-config Error: gettext was detected in your PREFIX. The gettext provided by Homebrew is "keg-only", meaning it does not get linked into your PREFIX by default. If you brew link gettext then a large number of brews that don't otherwise have a depends_on 'gettext' will pick up gettext anyway during the ./configure step. If you have a non-Homebrew provided gettext, other problems will happen especially if it wasn't compiled with the proper architectures. Error: Unbrewed dylibs were found in /usr/local/lib. If you didn't put them there on purpose they could cause problems when building Homebrew formulae, and may need to be deleted. Unexpected dylibs: /usr/local/lib/libboost_filesystem-mt.dylib /usr/local/lib/libboost_serialization-mt.dylib /usr/local/lib/libboost_system-mt.dylib /usr/local/lib/libencfs.6.dylib /usr/local/lib/libintl.8.dylib /usr/local/lib/libmacfuse_i32.2.dylib /usr/local/lib/libmacfuse_i64.2.dylib /usr/local/lib/libosxfuse_i32.2.dylib /usr/local/lib/libosxfuse_i64.2.dylib /usr/local/lib/librlog.5.0.0.dylib Error: Unbrewed .la files were found in /usr/local/lib. If you didn't put them there on purpose they could cause problems when building Homebrew formulae, and may need to be deleted. Unexpected .la files: /usr/local/lib/libosxfuse_i32.la /usr/local/lib/libosxfuse_i64.la Error: Unbrewed .pc files were found in /usr/local/lib/pkgconfig. If you didn't put them there on purpose they could cause problems when building Homebrew formulae, and may need to be deleted. Unexpected .pc files: /usr/local/lib/pkgconfig/osxfuse.pc Error: You have unlinked kegs in your Cellar Leaving kegs unlinked can lead to build-trouble and cause brews that depend on those kegs to fail to run properly once built. cmake Error: Your pkg-config is not checking "/usr/X11/lib/pkgconfig" for packages. Earlier versions of the pkg-config formula did not add this path to the search path, which means that other formula may not be able to find certain dependencies. To resolve this issue, re-brew pkg-config with: brew rm pkg-config && brew install pkg-config Error: You have a non-Homebrew 'pkg-config' in your PATH: /opt/sm/pkg/active/bin/pkg-config ./configure may have problems finding brew-installed packages using this other pkg-config. Error: Your Xcode is configured with an invalid path. You should change it to the correct path. Please note that there is no correct path at this time if you have only installed the Command Line Tools for Xcode. If your Xcode is pre-4.3 or you installed the whole of Xcode 4.3 then one of these is (probably) what you want: sudo xcode-select -switch /Developer sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer DO NOT SET / OR EVERYTHING BREAKS!

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• Dumping mod_perlified variables--what's the local namespace?

  - by Kev

  I have a mod_perl script: use strict; use warnings FATAL => 'all'; use 5.010001; my $face = 'ugly'; use Data::Dump qq(pp); die pp($ModPerl::ROOT::ModPerl::Registry::C_3a_www_test_2epl::face); It dies undef at C:/www/test.pl line 8. I was expecting "ugly" at C:/www/test.pl line 8. If instead I die pp(%ModPerl::ROOT::ModPerl::Registry::C_3a_www_test_2epl::); ...after restarting the service to clear any cached variables, face is not even listed. I could have sworn this code was working the last time I used it...I wrote a whole die hook around this way of naming local variables so that I could get at certain local variables to dump debug information. What's the local namespace?

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• What's the best way to check that environment variables are set in Unix shellscript

  - by AndrewR

  I've got a few Unix shell scripts where I need to check that certain environment variables are set before I start doing stuff, so I do this sort of thing: if [ -z "$STATE" ]; then echo "Need to set STATE" exit 1 fi if [ -z "$DEST" ]; then echo "Need to set DEST" exit 1 fi which is a lot of typing. Is there a more elegant idiom for checking that a set of environment variables is set? EDIT: I should mention that these variables have no meaningful default value - the script should error out if any are unset.

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• How do i sign variables?

  - by acidzombie24

  I have a few variables that must be stored on the client side. As usual anything on client side can be tampered. I would like to sign a few variables and verified them when the data is sent back to the server. At the moment i think they are 5 64bit vars. On the server i would like to sign those 5 variables, then ensure the signature is valid when the client sends it back. How do i do this using C# .NET?

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