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• Including libraries in project. Best practise.

  - by mridang

  Hi guys, I'm writing a Python open-source app. My app uses some open source Python libraries. These libraries in turn use other open-source libraries. I intend to release my code at Sourceforge or Google Code but do I need to include the sources of the other libraries? Is this a good practice? ...or should I simply write this information into a README file informing the use about the other required libraries. I've placed all these libraries into a libs sub folder in my source directory. When checking my code into SVN, should I use something called svn:externals to link to other sources? Is there a way to dynamically update my libraries to the latest version or is this something I have to do manually when I release a new version. My sincerest apologies if my question sounds vague but I'm pretty lost in this matter and I don't know what to Google for. Thanks all.

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• Add Today's Date to SharePoint Master Page

  - by soniiic

  Surely there must be a simple way of putting a simple code block into a master page :( I've tried using the obvious <%= "Hello, World!" %> syntax but code blocks aren't allowed. Then tried a site column, but don't know how to use them. Then tried web zones but master pages can't use them. Tried putting a web part (which are super difficult to make and deploy btw) into the page layout, but it just doesn't render :/ All I want is something nice and simple at the top of my site which shows today's date and the format I want to use is DateTime.Today.ToString("ddd, d MMMM yyyy") (Otherwise I'm resorting to javascript document.write!) Thanks all,

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• Sharepoint Foundation 2010 development single machine installation problems

  - by Robert Koritnik

  I'm having problems installing development machine for Sharepoint (Foundation) 2010. This is what I did so far on the same machine: Installed a clean Windows 7 x64 with 4GB of RAM without being part of any domain. Just a simple standalone machine. Enabled IIS related features as described here except IIS6 related ones (two of them) Installed SQL Server 2008 R2 Development Edition (DB Engine and Writer being enabled but not SQL Agent) Installed Visual Studio 2010 Premium Started installing Sharepoint Foundation 2010 with first extracting files, changing config to enable Windows 7 installation and then installed it as Server Farm (then Complete) to avoid installing SQL Express. Created a separate SPF_CONFIG local user with Logon on as a service right. Opened SPF Management Shell and run New-SPConfigurationDatabase so I am able to use a non-domain username (SPF_CONFIG that I created in the previous step) But all I get is this: The outcome after this error is: Database Sharepoint2010Config is created User SPF_CONFIG is added to SQL Server and attached to this newly created database as dbowner and checking SQL server security logins this user has following rights: dbcreator securityadmin public

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• PHP Get variable to equal value of switch

  - by user342391

  I am trying to get a variable on my page to equal the result of a switch I have. This is the code: $payment_method = switch ($cardtype) { case "visa" : echo "VSA"; break; case "mastercard" : echo "MSC"; break; case "maestro" : echo "MAE"; break; case "amex" : echo "AMX" ; break; default : echo "Please specify a payment method!"; break; }; How can I get $payment_method to equal the result of this???? So far I recieve an error: Parse error: syntax error, unexpected T_SWITCH in /var/www/account/credits/moneybookers/process.php on line 65

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• installing ruby 1.9.3 of osx mavricsmavrics

  - by user1648962

  I am trying to install ruby 1.9.3 on my osx 10.9 operating system and I keep getting the following error : Error running 'requirements_osx_port_update_system ruby-1.9.3-p448', please read /Users/ramesh/.rvm/log/1383430694_ruby-1.9.3-p448/update_system.log Requirements installation failed with status: 1. I am using the following command to do the installtion : rvm install 1.9.3 The complete log is as given below : Ramesh:Downloads ramesh$ rvm install 1.9.3 Searching for binary rubies, this might take some time. No binary rubies available for: osx/10.9/x86_64/ruby-1.9.3-p448. Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies. Checking requirements for osx. Installing requirements for osx. Updating system............................................................................................................................................................................................................................................................. Error running 'requirements_osx_port_update_system ruby-1.9.3-p448', please read /Users/ramesh/.rvm/log/1383430694_ruby-1.9.3-p448/update_system.log Requirements installation failed with status: 1. Ramesh:Downloads ramesh$ clear

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• 'Design By Contract' in C#

  - by IAmCodeMonkey

  I wanted to try a little design by contract in my latest C# application and wanted to have syntax akin to: public string Foo() { set { Assert.IsNotNull(value); Assert.IsTrue(value.Contains("bar")); _foo = value; } } I know I can get static methods like this from a unit test framework, but I wanted to know if something like this was already built-in to the language or if there was already some kind of framework floating around. I can write my own Assert functions, just don't want to reinvent the wheel.

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• jQuery parent of a parent

  - by Bloudermilk

  Hello, I am currently trying to find the parent of a parent of an element. I have a link being clicked that is in a <td>, and I'd like to get the <tr> object. Why wont "$(this).parent().parent()" work? What will? Thanks, Brendan Edit: It appears an error in my syntax was throwing the whole thing off. "$(this).parent().parent()" does in fact work, but I wound up going with $(this).closest('tr')" because it seems like the most efficient solution.

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• Python: convert buffer type of SQLITE column into string

  - by Volatil3

  I am new to Python 2.6. I have been trying to fetch date datetime value which is in yyyy-mm-dd hh:m:ss format back in my Python program. On checking the column type in Python I get the error: 'buffer' object has no attribute 'decode'. I want to use the strptime() function to split the date data and use it but I can't find how to convert a buffer to string. The following is a sample of my code (also available here): conn = sqlite3.connect("mrp.db.db", detect_types=sqlite3.PARSE_DECLTYPES) cursor = conn.cursor() qryT = """ SELECT dateDefinitionTest FROM t WHERE IDproject = 4 AND IDstatus = 5 ORDER BY priority, setDate DESC """ rec = (4,4) cursor.execute(qryT,rec) resultsetTasks = cursor.fetchall() cursor.close() # closing the resultset for item in resultsetTasks: taskDetails = {} _f = item[10].decode("utf-8") The exception I get is: 'buffer' object has no attribute 'decode'

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• Why does a module compile by itself but fail when used from elsewhere?

  - by chrisribe

  I have a Perl module that appears to compile fine by itself, but is causing other programs to fail compilation when it is included: me@host:~/code $ perl -c -Imodules modules/Rebat/Store.pm modules/Rebat/Store.pm syntax OK me@host:~/code $ perl -c -Imodules bin/rebat-report-status Attempt to reload Rebat/Store.pm aborted Compilation failed in require at bin/rebat-report-status line 4. BEGIN failed--compilation aborted at bin/rebat-report-status line 4. The first few lines of rebat-report-status are ... 3 use Rebat; 4 use Rebat::Store; 5 use strict; ...

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• How to create a Task Scheduler App.

  - by Mike

  I have been task with (ha) creating an application that will allow the users to schedule a command line app we have with a parameter. So the command line app takes an xml and "runs it" So bottom line I either need to create a windows service or learn how to interact with the Task Scheduler service already running on the box (version 1 Xp /2003) At first I though it would be easy have a service run and when a job is submitted, calculate the time between now and run and set up a timer to wait that amount of time. This is better then checking every minute if it's time to run. Were I hit a wall is I relized I do not know how to communicate with a running windows service. Except maybe create a file with details and have the service with a file watcher to load the file and modify the schedule. So the underlying questions are how can I execute this psedo code from client serviceThatIsRunning.Add(Job) Or ineracting with the task schedule or creating .job files using c# 3.5

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• Are All Dynamic Languages Typo-friendly?

  - by yar

  With Java on one side and Ruby/Groovy on the other, I know that in the second camp I'm free to make typos which will not get caught until run-time. Is this true of all dynamically-typed languages? Edit: I've been asked to elaborate on the type of typo. In Ruby and in Groovy, you can assign to a variable with an accidental name that is never read. You can call methods that don't exist (obviously your tests should catch this, it's been said). You can refer to classes that don't exist, etc. etc. Basically any valid syntax, even with typographical errors, is valid in both Ruby and Groovy.

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• expr non-numeric argument shell script

  - by Kimi

  The below check is not working : expr non-numeric argument shell script. Always it is going to else. Please tell me what is the mistake. Earlier I was no using while so the same thing was woring fine now suddenly when I did put it in the while loop it is no working. echo "`${BOLD}` ***** Checking Memory Utilization User*****`${UNBOLD}`" echo "===================================================" IFS='|' cat configMachineDetails.txt | grep -v "^#" | while read MachineType UserName MachineName do export MEMORY_USAGE1=`ssh -f -T ${UserName}@${MachineName} prstat -t -s rss 1 2 | tr '%' ' '| awk '$5>5.0'` export LEN=`echo "$MEMORY_USAGE1"|wc -l` export CNPROC=`echo "$MEMORY_USAGE1"|grep "NPROC"|wc -l` export CTotal=`echo "$MEMORY_USAGE1"|grep "Total"|wc -l` **if [ $LEN = `expr $CNPROC + $CTotal` ] then echo "`${BOLD}`**************All usages are normal !!!!!! *************`${UNBOLD}`" else echo "`${BOLD}`**** Memory(%) is more than 5% in MachineType $MachineType UserName $UserName MachineName $MachineName *******`${UNBOLD}`" echo "====================================================" echo "$MEMORY_USAGE1" fi** done

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• Select on multiple criteria with XPath

  - by Matt Thrower

  I have an XML document which looks something like this: <meadinkent> <record> <comp_div>MENSWEAR</comp_div> <sty_ret_type>ACCESSORIES</sty_ret_type> <sty_pdt_type>BELTS</sty_pdt_type> <pdt_category>AWESOME_BELTS</pdt_category> </record> <medinkent> I want to useXPath to select nodes which match all four elements and I'm having trouble getting the boolean syntax right. I'm trying this to match the first two just as a test: "/meadinkent/record/comp_div[.='" & comp_div & "'] and /meadinkent/record/sty_ret_type[.='" & sty_ret_type & "']" Which is failing, saying no nodes are returned. Obviously I'm being very stupid - what am I doing wrong? Cheers, mAtt

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• Good implementations of reinforced learning?

  - by Paperino

  For an ai-class project I need to implement a reinforcement learning algorithm which beats a simple game of tetris. The game is written in Java and we have the source code. I know the basics of reinforcement learning theory but was wondering if anyone in the SO community had hands on experience with this type of thing. What would your recommended readings be for an implementation of reinforced learning in a tetris game? Are there any good open source projects that accomplish similar things that would be worth checking out? Thanks in advanced Edit: The more specific the better, but general resources about the subject are welcomed. Follow up: Thought it would be nice if I posted a followup. Here's the solution (code and writeup) I ended up with for any future students :). Paper / Code

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• SVM in OpenCV: Visual Studio 2008 reported error wrongly (or is it right?)

  - by Risa

  I'm using MS Visual Studio 2008, OpenCV, C++ and SVM for a OCR-related project. At least I can run the code until yesterday, when I open the project to continue working, VS reported this error: error C2664: 'bool CvSVM::train(const CvMat *,const CvMat *,const CvMat *,const CvMat *,CvSVMParams)' : cannot convert parameter 1 from 'cv::Mat' to 'const CvMat *' It didn't happen before and I haven't changed any code relating to it (I only changed the parameters for the kernel). The code got error is: Mat curTrainData, curTrainLabel; CvSVM svm; . . . svm.train(curTrainData, curTrainLabel, Mat(), Mat(), params); If I hover on the code, I still got this tip: image. Which means my syntax isn't wrong. So why do VS bother to report such an error?

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• How Do I Detect A WordPress Admin Panel in my Plugin?

  - by Volomike

  I've got two events in my plugin. One is run for the front-end. The other is run for the admin panel. Both call the same function in one particular situation, and this echoes stuff to the screen. How do I make it such that the function is smart, calls something in WordPress, and detects whether it's being loaded in the front-end versus the admin panel? I don't want it to echo stuff to the screen on the front-end, but do want it to do so on the admin panel. Right now, it's echoing on both, which is not what I want. Background For the front end (the side of the site that the visitor sees), I'm intercepting the 'wp' event and checking for: ( is_single() || is_page() || is_home() || is_archive() || is_category() || is_tag()) For the admin panel, I'm intercepting the 'admin_menu' event. I tried intercepting the is_*() stuff above, but it seems to somehow answer TRUE or something, not giving me a difference between front-end and admin panel.

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• excel import query error

  - by pmms

  mysql_connect("localhost","root",""); mysql_select_db("hitnrunf_db"); $result=mysql_query("select * from jos_users INTO OUTFILE 'users.csv' FIELDS ESCAPED BY '""' TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\n' "); header("Content-type: text/plain"); header("Content-Disposition: attachment; filename=your_desired_name.xls"); header("Content-Transfer-Encoding: binary"); header("Pragma: no-cache"); header("Expires: 0"); print "$header\n$data"; in the above code in query string i.e string in side mysql_quey we are getting following error Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in C:\wamp\www\samples\mysql_excel\exel_outfile.php on line 8 in query string '\n' charter is not identifying as string thats why above error getting

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• VERBOSE=yes makefile option on gnu make under cygwin not working for me.

  - by goldenmean

  Hi, I use gnumake version GNU Make 3.81 under cygwin on windows. Cygwin version is CYGWIN_NT-6.1-WOW64 1.7.7(0.230/5/3) 2010-08-31 09:58 i686 Cygwin In my makefile used to build the source, when i say VERBOSE=yes, i still do not see detailed commands and options used to compile,link the code. So basically VEROBSE=yes behaviour seems to be same as VERBOSE=no. Pls. note that the compiler (sparc-elf-gcc) which the make command invokes, is configured with --verbose option. I verified that by checking sparc-elf-gcc -v . Is this switch removed/deprecated for this particular gnumake/cygwin versions or any pointers on how I can see details of the make/compile/link commands. thank you. -AD.

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• Inheritance of Custom Attributes on Abstract Properties

  - by Marty Trenouth

  I've got a custom attribute that I want to apply to my base abstract class so that I can skip elements that don't need to be viewed by the user when displaying the item in HTML. It seems that the properties overriding the base class are not inheriting the attributes. Does overriding base properties (abstract or virtual) blow away attributes placed on the original property? From Attribute class Defination [AttributeUsage(AttributeTargets.Property, Inherited = true, AllowMultiple = false)] public class NoHtmlOutput : Attribute { } From Abstract Class Defination [NoHtmlOutput] public abstract Guid UniqueID { get; set; } From Concrete Class Defination public override Guid UniqueID{ get{ return MasterId;} set{MasterId = value;}} From class checking for attribute Type t = o.GetType(); foreach (PropertyInfo pi in t.GetProperties()) { if (pi.GetCustomAttributes(typeof(NoHtmlOutput), true).Length == 1) continue; // processing logic goes here }

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• Condition in ASP Repeater

  - by Abdel Olakara

  Hi all, I am trying to put a condition into my ASP repeater tag. I have a table being created and one of the td items is a link. The problem is I need to create a link upon checking the value in one the variable that is in the repeater container. Here is my code: <td><%#((VWApp.Code.TrackDM)Container.DataItem).CdNo%></td> <td><%#((VWApp.Code.TrackDM)Container.DataItem).ShippingNo%></td> Now i need to check the value of ShippingNo and rather than displaying it need to display a link. i tried to write an if condition like this: if(((VWApp.Code.TrackDM)Container.DataItem).ShippingNo. .. ) { // do processing and generate a link that needs to displayed } But i get error when trying to do this. Can anybody guide me to the right way of doing this? Any ideas and suggests are highly appreciated.

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• FileWatcher fires change event after file deletion

  - by florin

  Hi all, I'm using a FileWatcher to trigger processing of files as soon as they are added to a folder. After the file it is processed it is deleted. My problem is that after the file is deleted I get another file change event which is so close to the deletion than in some cases checking for File.Exists it tells that the file still exists. But of course some milliseconds later when looking to process the file it does not really exists. The FileWatcher is set to notify on NotifyFilters.FileName | NotifyFilters.LastAccess | NotifyFilters.LastWrite | NotifyFilters.Size | NotifyFilters.Attributes Thanks, florin

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• How to use Django's filesizeformat

  - by Scott LaPlant

  I have a small app I'm working on where I'm trying to use Django's built in filesizeformat. Currently, the format looks like this: {{ value|filesizeformat }} I understand I need to define this in my view.py file but, I can't seem to figure out how to do that. I've tried to use the syntax below: def filesizeformat(bytes): """ Formats the value like a 'human-readable' file size (i.e. 13 KB, 4.1 MB, 102 bytes, etc). """ try: bytes = float(bytes) except (TypeError,ValueError,UnicodeDecodeError): return u"0 bytes" if bytes < 1024: return ungettext("%(size)d byte", "%(size)d bytes", bytes) % {'size': bytes} if bytes < 1024 * 1024: return ugettext("%.1f KB") % (bytes / 1024) if bytes < 1024 * 1024 * 1024: return ugettext("%.1f MB") % (bytes / (1024 * 1024)) return ugettext("%.1f GB") % (bytes / (1024 * 1024 * 1024)) filesizeformat.is_safe = True I've then replaced 'value' with 'bytes' in the template but, this does not seem to work. Any suggestions?

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• High CPU Usage with WebGL?

  - by shoosh

  I'm checking out the nightly builds of Firefox and Chromium with support of WebGL with a few demos and tutorials and I can't help but wonder about the extremely high CPU load they cause. A simple demo like this one runs at a sustained 60% of my dual core. The large version of this one maxes out the CPU to 100% and has some visible frame loss. Chromium seems to be slightly better than firefox but not by much. I'm pretty sure that if these were desktop application the CPU load would be negligible. So what's going on here? what is it doing? Running the simple scripts of these can't be that demanding. Is it the extra layer of security or something?

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• A tool or framework extension or code snippet for logging the internal state of objects?

  - by George Mauer

  When spiking on how something works or when my unit test behave in an unpredictable manner I usually have to drop into debug mode. 99% of my time in debug mode is spent checking the values of fields on objects to verify its state. I already have log4net set up, it would seem that if I could easily add a line of code to log out the state of objects I could remove most of my need to start up the bulky debugger. The problem is of course that to expose object state implicitly you need to manually override each object's ToString() method. What I would like to be able to do is the ability to do logger.LogState(someObject) and have logged out the object state including at least a formatted list of all the private variables, references (to some arbitrary depth), and collections. Does anyone know a tool/framework/code snippet that can be used to generate a string of the internal state of any object? I could of course write one myself but its a non-trivial problem and I'd prefer something someone has put some thought into.

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• sed regex to match ['', 'WR' or 'RN'] + 2-4 digits

  - by Karl

  Hi I'm trying to do some conditional text processing on Unix and struggling with the syntax. I want to acheive Find the first 2, 3 or 4 digits in the string if 2 characters before the found digits are 'WR' (could also be lower case) Variable = the string we've found (e.g. WR1234) Type = "work request" else if 2 characters before the found digits are 'RN' (could also be lower case) Variable = the string we've found (e.g. RN1234) Type = "release note" else Variable = "WR" + the string we've found (Prepend 'WR' to the digits) Type = "Work request" fi fi I'm doing this in a Bash shell on Red Hat Enterprise Linux Server release 5.5 (Tikanga) Thanks in advance, Karl

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