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  • Dynamically creating page definitions in Cherrypy

    - by Hugh
    Hi, I've been looking around the CherryPy documentation, but can't quite get my head around what I want to do. I suspect it might be more of a Python thing than a CherryPy thing... My current class looks something like this: import managerUtils class WebManager: def A(self, **kwds): return managerUtils.runAction("A", kwds) A.enabled = True def B(self, **kwds): return managerUtils.runAction("B", kwds) B.enabled = True def C(self, **kwds): return managerUtils.runAction("C", kwds) C.enabled = True Obviously there's a lot of repetition in here. in managerUtils.py, I have a dict that's something like: actions = {'A': functionToRunForA, 'B': functionToRunForB, 'C': functionToRunForC} Okay, so that's a slightly simplistic view of it, but I'm sure you get the idea. I want to be able to do something like: import managerUtils class WebManager: def __init__(self): for action in managerUtils.actions: f = registerFunction(action) f.enabled = True Any ideas of how to do this?

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  • What are the virtues of using XML comments in .NET?

    - by Michal Czardybon
    I can't understand the virtues of using XML comments. I know they can be converted into nice documentation external to the code, but the same can be achieved with the much more concise DOxygen syntax. In my opinion the XML comments are wrong, because: They obfuscate the comments and the code in general. (They are more difficult to read by humans). Less code can be viewed on a single screen, because "summary" and "/summary" take additional lines. They suggest that all method parameters have to be commented, whereas 90% of them are obvious and SHOULD be left not commented. The only problem I have with this is that my point of view seems to be in minority. Why?

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  • Using EXR images in OpenCV

    - by Nestor
    Hi there! I'm currently working on a project with OpenEXR and I would like to implement some Blob detection algorithms. To do this I figured that I could use OpenCV as it says in the documentation that it can open OpenEXR format files. I have all the libraries installed and working as I've been doing other things. I open a simple jpg file with openCV cvLoadImage. It works fine. But when i try to open any .exr file it doesn't seam to like it. I get a gray window where there should be the image display. Has anyone done any tests with OpenCV and OpenEXR libraries working together? Have they worked for you? What do you think? Thanks.

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  • Rails Mikel Mail Gem How to use Views

    - by Victor Martins
    I'm trying to use mikel gem mail on my 2.3.5 Rails App http://github.com/mikel/mail I have it working like this. I've made a MailComHelper, made a method like this : def self.welcome(user,password) @user = user m = Mail.new m.from = '[email protected]' m.to = @user.email m.subject = 'welcome' m.body = 'The body' m.delivery_method :sendmail m.deliver! end And it works, I receive the mail. But I wish I could use the old way of calling a view ( html.erb ) file and send that code has the body. I've read the documentation but haven't found a way to do it. Has anyone found a way to do it?

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  • Pattern filters in Laravel 4

    - by ali A
    I want to make a pattern route, to redirect users to login page when they are not logged in. I searched but couldn't find a solution. as always Laravel's Documentation is useless! I have this in my filter.php Route::filter('auth', function() { if (Auth::guest()) return Redirect::guest('login'); }); Route::filter('auth.basic', function() { return Auth::basic(); }); And this route in my routes.php Route::when('/*', 'auth' ); but It's not working. How can I do that?

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  • Socket error in python

    - by Alice Everett
    I am using python-monetdb 11.16.0.7. I created my database farm and database according to instructions given below (source: http://www.monetdb.org/Documentation/monetdbd) % monetdbd start /home/my-dbfarm % monetdb create my-first-db Then I tried to connect to the database using the below mentioned command in python(https://pypi.python.org/pypi/python-monetdb/). Upon doing so I am getting the below mentioned error: >import monetdb.sql >connection=monetdb.sql.connect(username="monetdb",password="monetdb",hostname="localhost",database="my-first-db"); File "/usr/local/lib/python2.7/dist-packages/monetdb/sql/__init__.py", line 28, in connect return Connection(*args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/monetdb/sql/connections.py", line 58, in __init__ unix_socket=unix_socket) File "/usr/local/lib/python2.7/dist-packages/monetdb/mapi.py", line 93, in connect self.socket.connect((hostname, port)) File "/usr/lib/python2.7/socket.py", line 224, in meth return getattr(self._sock,name)(*args) socket.error: [Errno 111] Connection refused Can someone please help me with this?

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  • How do I politely tell a colleague to RTFM?

    - by Jason Baker
    I think by now, I've transitioned from a junior developer to an "intermediate" developer. Previously, whenever someone would ask me a question, I'd gleefully answer them simply because I was happy to be of use to someone and wanted to prove my worth as a developer. Now it's gotten to the point where I can't get work done because I'm constantly answering questions that can be answered just by spending a few seconds looking at documentation or searching google (sometimes from developers more senior than I). On one hand, I genuinely want to help them out and enjoy teaching other people. However, I just don't have enough bandwidth to keep answering these kinds of questions. How do I handle this kind of thing politely?

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  • java tool for debugging

    - by user269723
    Hi experts, Currently we are studying the java based tool which is primararily Reporting tool.It was developed in 2000/2001 period and uses many open source libraries like Apache Avalon/Mx4J.Adaptor/edu.Oswego(java concurrent package) etc. Tool uses jdk 1.3.1 and goal is to upgrade to jdk 1.5.We have also been asked to remove these 'outdated' packages and replace by standard java packages if possible. Unfortunately we have the code available for study but lacks any documentation and really difficult to track the flow(Total number of classes written might be more than 1000) during debugging. Whats the best way to understand this kind of tool? any Graphical tool to see the relationship between the classes? Thanks SR

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  • Seeking References To MSVC 9.0's C++ Standards Compliance

    - by John Dibling
    I "know" (hopefully) that MSVC 9.0 Implements C++ 2003 (ISO/IEC 14882:2003). I am looking for a reference to this fact, and I am also looking for any research that has been done in to how compliant MSVC 9.0 is with that version of the Standard. I have searched for and not been able to find a specific reference from MicroSoft that actually says something to the effect that MSVC implements C++ 2003. Some of the out-of-date documentation says things like "this release achieves roughly 98% compliance" (when referring to MSVC .NET 2003's conformance to C++ 1997). But I want a link to a document from MS that says "MSVC 9.0 implements blah," and another link to an independent group that has tested the conformance of MSVC 9.0. Do you know of any such links?

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  • Overriding PEAR error handler

    - by Rolf
    Hi everyone, I'm currently working on an application that requires lots of external libraries. My job right now is set a unique error handler that will manage every error. So far, I found 7 different types of PEAR errors: PEAR_ERROR_RETURN: PEAR_ERROR_EXCEPTION: PEAR_ERROR_CALLBACK: PEAR_ERROR_EXCEPTION: PEAR_ERROR_PRINT: PEAR_ERROR_TRIGGER: PEAR_ERROR_DIE: I want to handle only the serious error (like the native E*_ERROR). The only problem is I have absolutely no idea about PEAR error criticity ! Those names are more related to the way of handling them than to their seriousness... Is there a real documentation about it ? I guess a better solution would consist in using their pushErrorHandling, but I just don't understand how to use it... If someone here knows, I'd be grateful... Thanks in advance !

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  • Why can't I install psycopg2? (Python 2.6.4, PostgreSQL 8.4, OS X 10.6)

    - by cojadate
    After running python setup.py install I get the following: Warning: Unable to find 'pg_config' filebuilding 'psycopg2._psycopg' extension gcc-4.0 -arch ppc -arch i386 -fno-strict-aliasing -fno-common -dynamic -DNDEBUG -g -O3 - DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.2.1 (dt dec ext pq3)" -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -DHAVE_PQPROTOCOL3=1 -I/Library/Frameworks/Python.framework/Versions/2.6/include/python2.6 -I. -c psycopg/psycopgmodule.c -o build/temp.macosx-10.3-fat-2.6/psycopg/psycopgmodule.o unable to execute gcc-4.0: No such file or directory error: command 'gcc-4.0' failed with exit status 1 There's probably something screamingly obvious there to anyone who knows the first thing about back-end web programming, but unfortunately it's all gobbledegook to me. The psycopg2 documentation was not helpful.

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  • How do I fire an asynchronous call in asp classic and ignore the response?

    - by Hexate
    Here's the gist: I have a call I want to make in asp, and I do not care about the response. I just want to fire the call and I do not want the page to wait for the response. According to the documentation, it should look something like this: dim xmlhttp : set xmlhttp = Server.CreateObject("MSXML2.ServerXMLHTTP") xmlhttp.Open "POST", url, true '' setting the 'asynchronous' option to 'true' xmlhttp.setRequestHeader "Content-Type", "application/soap+xml; charset=utf-8" xmlhttp.setRequestHeader "Content-Length", Len(XMLData) xmlhttp.send XMLData This works peachy when calling synchronously, but when I flip the ansynchronous option to 'true', nothing fires. What I can gather from the internet is that users do something like the following: While xmlhttp.readyState <> 4 xmlhttp.waitForResponse 1000 Wend Am I crazy in that this does not really seem like an asynchrous call anymore though if you are waiting for a response? putting the line xmlhttp.waitForResponse 1 right after the send will cause the request to fire, but again, I don't want to wait a second. Any thoughts?

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  • Django admin output extra HTML in ModelSite

    - by VoteyDisciple
    Ultimately, I want to add an <iframe> to the display of a particular model on Django's admin page. Django is already rendering the form for this model correctly, but I want to add this <iframe> in addition to Django's form. The src attribute needs to involve the primary key for the currently-displayed record. I've learned how to properly override the change_form.html template through Django's documentation, and I can add markup to the right block, but I can't figure out how to access the primary key value. (No amount of determined Googling has helped at all.) Alternatively, is there a direct way to specify that I want to produce extra output in my ModelSite definition?

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  • How to use xml response as XMLObject outside of ajax callback function

    - by Anthony
    Hopefully I've just made a dumb oversight, but I can't figure out why the following doesn't work: $(function() { var xml; $.get( "somexml.xml", function(data){ xml = data; }, "xml"); alert(xml); }); If I put the alert inside of the callback function, I get back object XMLdocument but if I place it outside of the ajax call, I get undefined. Since my goal is to have a new DOM to parse, I don't want the entire handling of the XMLdocument to be within the callback function. I've tried defining the variable outside of the entire onready function, inside at the top (like above) and inside the callback function, all with no luck. According to Specifying the Data Type for Ajax Requests in the jquery documentation, this should be possible.

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  • How to send/open email attachments from android app?

    - by CSharperWithJava
    I would like to somehow send a file from my app on one android device to my app on another device. This can be done any which way, and I'm open to suggestions if you can tell me how to send over network or something like that. Currently, I'm looking at sending the file as an email attachment, but I haven't found any good documentation on how to do it. I need two things to accomplish this, be able to send my file (stored on sd card or somewhere on device) as an attachment, and have my app recognized by android as the app to open an attachment with the file extention (.lst). Any thoughts? The files will all be fairly small xml text files if that makes a difference.

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  • Can Goldberg algorithm in ocamlgraph be used to find Minimum Cost Flow graph?

    - by Tautrimas
    I'm looking for an implementation to the Minimum Cost Flow graph problem in OCaml. OCaml library ocamlgraph has Goldberg algorithm implementation. The paper called Efficient implementation of the Goldberg-Tarjan minimum-cost flow algorithm is noting that Goldberg-Tarjan algorithm can find minimum cost graph. Question is, does ocamlgraph algorithm also find the minimum cost? Library documentation only states, that it's suitable at least for the maximum flow problem. If not, does anybody have a good link to a nice any minimum cost optimization algorithm code? I will manually translate it into OCaml then. Forgive me, if I missed it on Wikipedia: there are too many algos on flow networks for the first day!

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  • What is the best PHP framework for building a website around a heavily relational PostgreSQL databas

    - by Kenaniah
    First of all, the framework of choice needs to have excellent support for PostgreSQL. I don't care about MySQL because it doesn't have half of the features the application I will be porting requires. (And when I say excellent support, I mean that their approach to database drivers has not been solely trained in MySQL). The ideal framework: Should take full advantage of PHP 5.3 and PostgreSQL 8.4 features Should support new technologies such as OpenID and social networking Should support complex relationships between database relations Should have an intelligent validation system Should have a basic library of helpful views (such as pagination, navigation, etc) Should probably be MVC based Should have excellent documentation and an active development community Should namespace classes intelligently What I'm looking for might be more of a library of utilities, as I really don't want to be restricted by the framework in what I can and can not do. I have my own small library of core classes that take care of business logic, and I will most likely want to integrate those with the new framework as well. Thanks!

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  • MySQL locking problem

    - by teehoo
    I have a simple setup of a set of writers and a set of readers working with a MySQL ISAM table. The writers are only inserting rows while the readers are only checking for new rows. OK, so I know that I don't need a lock in this situation, since I'm not modifying existing rows. However my Writers are accessing one more table that does need a lock. I piece of information seems irrelevant except for the following limitation stated in the MySQL documentation: A session that requires locks must acquire all the locks that it needs in a single LOCK TABLES statement. While the locks thus obtained are held, the session can access only the locked tables. For example, in the following sequence of statements, an error occurs for the attempt to access t2 because it was not locked in the LOCK TABLES statement: So to access the table I want to insert rows into, I NEED to lock it, which is causing me performance problems. Any suggestions of how to get around this?

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  • How to customize BsGridView to show links instead of BsButtonColumn?

    - by felipe.zkn
    Given the code below, I need to customize the third column to show two links instead of that BsButtonColumn. I didn't find any related documentation to get the answer. <?php $this->widget( 'bootstrap.widgets.BsGridView', array( 'id' => 'activity-translation-grid', 'dataProvider' => $model->search(), 'filter' => $model, 'columns' => array( 'id', 'name', array( 'class' => 'BsButtonColumn', ), ), ) ); ?>

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  • Has anyone achieved true differential sync with rsync in ESXi?

    - by Julius
    Berate me later on the fact that I'm using the service console to do anything in ESXi... I've got a working rsync binary (v3.0.4) that I can use in ESXi 4.1U1. I tend to use rsync over cp when copying VM's or backups from one local datastore to another local datastore. I've used rsync to copy data from one ESXi box to another but that was just for small files. In now trying to do true differential syncs of backups taken via ghettoVCB between my primary ESXi machine and a secondary one. But even when I do this locally (one datastore to another datastore on the same ESXi machine) rsync appears to copy the files in their entirety. I've got two VMDK's totally 80GB in size, and rsync still takes anywhere between 1 and 2 hours but the VMDK's aren't growing that much daily. Below is the rsync command I'm executing. I am copying locally because ultimately these files will get copied onto a datastore created from a LUN on a remote system. Its not an rsync that'll be serviced by an rsync daemon on a remote system. rsync -avPSI VMBACKUP_2011-06-10_02-27-56/* VMBACKUP_2011-06-01_06-37-11/ --stats --itemize-changes --existing --modify-window=2 --no-whole-file sending incremental file list >f..t...... VM-flat.vmdk 42949672960 100% 15.06MB/s 0:45:20 (xfer#1, to-check=5/6) >f..t...... VM.vmdk 556 100% 4.24kB/s 0:00:00 (xfer#2, to-check=4/6) >f..t...... VM.vmx 3327 100% 25.19kB/s 0:00:00 (xfer#3, to-check=3/6) >f..t...... VM_1-flat.vmdk 42949672960 100% 12.19MB/s 0:56:01 (xfer#4, to-check=2/6) >f..t...... VM_1.vmdk 558 100% 2.51kB/s 0:00:00 (xfer#5, to-check=1/6) >f..t...... STATUS.ok 30 100% 0.02kB/s 0:00:01 (xfer#6, to-check=0/6) Number of files: 6 Number of files transferred: 6 Total file size: 85899350391 bytes Total transferred file size: 85899350391 bytes Literal data: 2429682778 bytes Matched data: 83469667613 bytes File list size: 129 File list generation time: 0.001 seconds File list transfer time: 0.000 seconds Total bytes sent: 2432530094 Total bytes received: 5243054 sent 2432530094 bytes received 5243054 bytes 295648.92 bytes/sec total size is 85899350391 speedup is 35.24 Is this because ESXi is itself making so many changes to the VMDK's that as far as rsync is concerned the entire file has to be retransmitted? Has anyone actually achieved actual diff sync with ESXi?

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  • Python urllib3 and how to handle cookie support?

    - by bigredbob
    So I'm looking into urllib3 because it has connection pooling and is thread safe (so performance is better, especially for crawling), but the documentation is... minimal to say the least. urllib2 has build_opener so something like: #!/usr/bin/python import cookielib, urllib2 cj = cookielib.CookieJar() opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj)) r = opener.open("http://example.com/") But urllib3 has no build_opener method, so the only way I have figured out so far is to manually put it in the header: #!/usr/bin/python import urllib3 http_pool = urllib3.connection_from_url("http://example.com") myheaders = {'Cookie':'some cookie data'} r = http_pool.get_url("http://example.org/", headers=myheaders) But I am hoping there is a better way and that one of you can tell me what it is. Also can someone tag this with "urllib3" please.

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  • C# System.Diagnostics.Debugger.Debug() stopped working

    - by Andrew Miner
    I'm working on a program which uses the System.Diagnostics.Debugger.Break() method to allow the user to set a breakpoint from the command-line. This has worked fine for many weeks now. However, when I was working on fixing a unit test today, I tried to use the debug switch from the command-line, and it didn't work. Here's what I've tried: I've confirmed that the Debug() method is really being called (by putting a System.Console.WriteLine() after it) I've confirmed that the build is still in Debug I've done a clean build I've restarted Product Studio A quick Google search didn't reveal anything, and the API documentation for .Net doesn't mention anything about this function not performing correctly. So... any ideas?

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  • Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

    - by Fotis
    I am a newbie programmer, so I will need your help! Locally the webapp works ok with the db on it! When I uploaded the application on the cloudcontrol, it comes up with the following error: CDbConnection failed to open the DB connection: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)! I suppose I have not uploaded the db. This is the very first time I upload a webapp on a server so I do not know the exact steps that I have to follow in order to upload the db on a server. Cloudcontrol has documentation about mysql! I did follow the steps but the webapp comes with the same error! Could you please tell me what steps I have to follow in order to make it working? I am sure that this error is due to lack of knowledge!

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  • Bulkloading schema less entities on Google App Engine

    - by Rahul
    The new bulkloader added into SDK 1.3.4 works great for models that have a schema. For models inheriting db.Expando (or loosely defined schemas) i would like to understand what i would have to do to bulk upload them. I defined a custom connector, that implemented the ConnectorInterface and converted my data to the python dict required. How can i use this dict to define entities that get uploaded to the data store ? In the documentation there seems to be a post_import_function that can be used to return the entities that get uploaded. Is there an example on how this function is used ?

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  • Get subscriptions, feeds and article from google reader api for an user

    - by user551308
    Hi all, I want to create a google reader application that for an user(google account)I need to get all its subscriptions, for each subscription all the feeds and for each feed all its items. Please help me with some urls in order to create the post requests for grabbing this information. Since the google reader api is not yet released I could not find any documentation for this. I have readed this article http://code.google.com/p/pyrfeed/wiki/GoogleReaderAPI but there is not specified how to get these. I kindly appreciate any help.

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