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• Sqlalchemy layout with WSGI application

  - by TheDude

  I'm working on writing a small WSGI application using Bottle and SqlAlchemy and am confused on how the "layout" of my application should be in terms of SqlAlchemy. My confusion is with creating engines and sessions. My understanding is that I should only create one engine with the 'create_engine' method. Should I be creating an engine instance in the global namespace in some sort of singleton pattern and creating sessions based off of it? How have you done this in your projects? Any insight would be appreciated. The examples in the documentation dont seem to make this entirely clear (unless I'm missing something obvious). Any thoughts?

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• C# event or delegate or other solution?

  - by user295734

  Looking for some help or programmng ideas or mayeb there is some pattern that would help. Have an application that needs to fire alot of events sequentially, it could up to 100 or more unique events, it will be dynamic depeneding on the situation. Trying to find the best practice for doing this. My main idea right now is to create a list of objects iterate thru them, and fire each event. This seems wrong, or bad practice. Or maybe have one object and pass a list or params into one event? Or am I missing some feature in .NET that i could be using or implementing?

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• Best Asp.net Hosting

  - by dotnetguts

  There are many asp.net web hosting companies which spends lot on advertisement and also gives you very cheaper rate, as low as $5, but when it comes to support they are simply hopeless. Everyone can you please pass your experience with your past hosting companies and suggest any good asp.net hosting company? Please consider following requirement factors Asp.net 3.5 or 4.0 supported. Url Rewriter support GZip support (Dynamic through code) Initial Setup support (If required) SQL Server 2005 or 2008 Allow to access SQL Server DB using SQL Mgmt Studio Environment supporting Backup and Restore of DB on my own, without involving tech support team Full Text Search support FTP support I can able to send atleast 500 Emails daily. 99.9% Up Time (No matter all web hosting say they have 99.9% Up Time, but its not true). Alert Email to be sent when they do any maintenance or during downtime. Hosting Price should be reasonable. Incase you feel i am missing something please add to the list. Can anyone suggest good webhosting company based on above factors?

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• C# SendMessage to C++ WinProc

  - by jws

  I need to send a string from C# to a C++ WindowProc. There are a number of related questions on SO related to this, but none of the answers have worked for me. Here's the situation: PInvoke: [DllImport("user32", CharSet = CharSet.Auto)] public extern static int SendMessage(IntPtr hWnd, uint wMsg, IntPtr wParam, string lParam); C#: string lparam = "abc"; NativeMethods.User32.SendMessage(handle, ConnectMsg, IntPtr.Zero, lparam); C++: API LRESULT CALLBACK HookProc (int code, WPARAM wParam, LPARAM lParam) { if (code >= 0) { CWPSTRUCT* cwp = (CWPSTRUCT*)lParam; ... (LPWSTR)cwp->lParam <-- BadPtr ... } return ::CallNextHookEx(0, code, wParam, lParam); } I've tried a number of different things, Marshalling the string as LPStr, LPWStr, also tried creating an IntPtr from unmanaged memory, and writing to it with Marshal.WriteByte. The pointer is the correct memory location on the C++ side, but the data isn't there. What am I missing?

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• Declaring pointers; asterisk on the left or right of the space between the type and name?

  - by GenTiradentes

  I've seen mixed versions of this in a lot of code. (This applies to C and C++, by the way.) People seem to declare pointers in one of two ways, and I have no idea which one is correct, of if it even matters. The first way it to put the asterisk adjacent the type name, like so: someType* somePtr; The second way is to put the asterisk adjacent the name of the variable, like so: someType *somePtr; This has been driving me nuts for some time now. Is there any standard way of declaring pointers? Does it even matter how pointers are declared? I've used both declarations before, and I know that the compiler doesn't care which way it is. However, the fact that I've seen pointers declared in two different ways leads me to believe that there's a reason behind it. I'm curious if either method is more readable or logical in some way that I'm missing.

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• Lablgtk2 Installation on Windows.

  - by Animesh

  Hi there people, I am currently relearning Ocaml and am in the need of a good editor. There is a new editor from OcamlForge: OCamlEditor http://ocamleditor.forge.ocamlcore.org/. Prerequisite for installation is Lablgtk2. Installing Lablgtk2 on windows is not straight forward and there is good instruction here: http://wwwfun.kurims.kyoto-u.ac.jp/soft/lsl/install-win32.txt I have completed the first two steps and in the third step, as warned, it is failing on the native code version. This is where I am left stranded. How do I check to see if the assembler is on my path? What am I missing here? Please help me move forward from this point. Sincere thanks. Animesh

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• IE7 not digesting JSON: "parse error"

  - by Kenny Leu

  While trying to GET a JSON, my callback function is NOT firing. $.ajax({ type:"GET", dataType:'json', url: myLocalURL, data: myData, success: function(returned_data){alert('success');} }); The strangest part of this is that my JSON(s) validates on JSONlint this ONLY fails on IE7...it works in Safari, Chrome, and all versions of Firefox. If I use 'error', then it reports "parseError"...even though it validates! Is there anything that I'm missing? Does IE7 not process certain characters, data structures (my data doesn't have anything non-alphanumeric, but it DOES have nested JSONs)? I have used tons of other AJAX calls that all work (even in IE7), but with the exception of THIS call. An example data return here is: {"question":{ "question_id":"19", "question_text":"testing", "other_crap":"none" }, "timestamp":{ "response":"answer", "response_text":"the text here" } } I am completely at a loss. Hopefully someone has some insight into what's going on...thank you!

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• Google Analytics--My second profile to an existing domain not tracking

  - by Steve

  Hey Guys, I created a second profile to my Analytics account to track SEO keywords. This is a second profile for my existing working domain. It has been 4 days and I still do not see any traffic on this secondary profile. The profile shows a Staus of "Unknown". But I do not see a way to validate it like you have to when you create your first profile and this should not be necessary for a profile to my existing domain. Any ideas what I am missing? Thanks!

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• Are there built-in issue tracking and task management in IDEs that integrate into SourceForge, Googl

  - by Kai Sellgren

  Hi, This question may not be exactly programming related, but this is about development. I have been trying to find IDEs that support JIRA/Bugzilla so that I could simply integrate the IDE with SourceForge. I do not like to refresh my browser to see issues, bug reports, security problems, etc. I would like to send issues, resolve issues, right from the IDE. I am currently developing with NetBeans, but I see no ways of integrating into any of the services provided by SourceForge. Am I missing something?

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• Chrome Extension Manifest 'Matches'

  - by Aristotle

  I'm trying my hands at a simple Chrome Extension, but am running into a problem with providing a value for the matches array in my content_scripts. { "name": "My Extension", "version": "1.0", "description": "My Extension Experiment", "browser_action": { "default_icon": "icon.png", "default_title": "Ext", "default_popup": "popup.html" }, "content_scripts": { "matches": ["http://*"], "js": ["scripts.js"] } } When I try to load this extension into Chrome, I get the following message: Could not load extension from 'C:\Users\foo\Desktop\Extensions\bar'.Invalid value for 'content_scripts'. I cannot see what is "invalid" about my value though. What I'm trying to do is match every URL, so my extension can manipulate the DOM (via javascript within scripts.js) of any page it is ran on. Am I missing something, going about this all wrong, or what? update After posting this question, I did notice that the Google example was slightly different than mine, so I modified my code a bit to reflect their syntax: "content_scripts": [{ "matches": ["http://*"], "js": ["scripts.js"] }] That being said, I still get the following error when trying to load my extension: Could not load extension from 'C:\Users\foo\Desktop\Extensions\bar'. Invalid value for 'content_scripts[0].matches[0]'.

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• passing array of structs from c# to regular dll

  - by buzz

  Hi there I have a regular dll with the followign fucntion exported. extern "C" __declspec(dllexport) int FindNearestStuff(double _latitude, double _longitude , LocationStruct * locations[]) LocationStruct is very simple struct LocationStruct { long positionIndex; long item; }; I'm tryign to call it from c# using [DllImport("myclever.dll", CharSet = CharSet.None)] private static extern int FindNearestStuff(double _latitude, double _longitude, ref LocationStruct [] locations); Its all cool and funky and i can step into the dll function from the debugger. Inside the dll the LocationStruct array is populated correctly and all is very good. the problem i have is when it returns back from the dll, the LocationStruct array is not coming back with the data - just empty values... what am i missing? cheers Buzz

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• Ant: make "available" throw an understandable error?

  - by digitala

  When running ant, how do I make an <available /> block throw an adequate error message? This is what I have so far: <target name="requirements"> <available classname="foo.bar.baz" property="baz.present" /> </target> <target name="directories" depends="requirements" if="baz.present"> <mkdir dir="build" /> </target> <target name="compile" depends="directories"> <!-- build some stuff --> </target> What I'm currently seeing when requirements fails is a message complaining about the ./build dir not being available. How can I change this so that a message is displayed about the missing class, such as "foo.bar.baz is not available"?

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• Is it possible to pickle python "units" units?

  - by Ajaxamander

  I'm using the Python "units" package (http://pypi.python.org/pypi/units/) and I've run into some trouble when trying to pickle them. I've tried to boil it down to the simplest possible to case to try and figure out what's going on. Here's my simple test: from units import unit, named_unit from units.predefined import define_units from units.compatibility import compatible from units.registry import REGISTRY a = unit('m') a_p = pickle.dumps(a) a_up = pickle.loads(a_p) logging.info(repr(unit('m'))) logging.info(repr(a)) logging.info(repr(a_up)) logging.info(a.is_si()) logging.info(a_up.is_si()) logging.info( compatible(a,a_up) ) logging.info(a(10) + a_up(10)) The output I'm seeing when I run this is: LeafUnit('m', True) LeafUnit('m', True) LeafUnit('m', True) True True False IncompatibleUnitsError I'd understand if pickling units broke them, if it weren't for the fact that repr() is returning identical results for them. What am I missing? This is using v0.04 of the units package, and Google App Engine 1.4 SDK 1

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• How do you run a uncompiled CGI?

  - by Toast

  I'm going to get right to it. iPage shared hosting. Trying to use mimetex.cgi to render math. Source code is at the link. After preparing everything just as I had with a different shared host (which worked), I get errors. Tech support tells me I need to upload the uncompiled source and use that instead. ??? Rather than going with them just being ignorant and wrong, I'm going to assume I'm missing something. How am I supposed to execute and make use of the uncompiled source code? What the hell is wrong with a hosting service that doesn't support running compiled CGI written in C (as far as I can tell)?

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• Glib convert epoch time to string.

  - by PP

  I am using glibs functions to convert epoch time to string as follows. But each time it is giving me some random time. //Convert Time in string. GDate *date = g_date_new_julian(timestampsecs); gchar date_string[50]; g_date_strftime(date_string, 50, (const gchar*)"%a, %I:%M %p", (const GDate*)date); printf("Date String [%s]\n", date_string ); Why this might be happening? am i missing anything? Thanks, PP.

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• What's the best way to access Neo4j from Django?

  - by abdel

  it seems that i found something that let me confused; i've found two Neo4j to download to python, the first one is: http://pypi.python.org/pypi/neo4j-embedded and the second one is: https://svn.neo4j.org/components/neo4j.py/trunk/ what's the difference between the two? the first one seems to be big (size), so does this mean that if i use it i'll not need the neo4j community release (milestone)? when i've installed the first one, and tried to test a django example, it seems that the directory named "model" https://svn.neo4j.org/components/neo4j.py/trunk/src/main/python/neo4j/model/ is missing? so what's the difference, and who will be better to use with Django? and what about that one? http://pypi.python.org/pypi/neo4django/

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• How to string multiple TextReaders together?

  - by Ken

  I have 3 TextReaders -- a combination of StreamReaders and StringReaders. Conceptually, the concatenation of them is a single text document. I want to call a method (not under my control) that takes a single TextReader. Is there any built-in or easy way to make a concatenating TextReader from multiple TextReaders? (I could write my own TextReader subclass, but it looks like a fair amount of work. In that case, I'd just write them all out to a temp file and then open it with a single StreamReader.) Is there an easy solution to this that I'm missing?

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• Check if there are any repeated elements in an array recursively

  - by devoured elysium

  I have to find recursively if there is any repeated element in an integer array v. The method must have the following signature: boolean hasRepeatedElements(int[] v) I can't see any way of doing that recursively without having to define another method or at least another overload to this method (one that takes for example the element to go after or something). At first I thought about checking for the current v if there is some element equal to the first element, then creating a new array with L-1 elements etc but that seems rather inefficient. Is it the only way? Am I missing here something?

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• "Circuit breaker" for net.msmq?

  - by Alex

  Hi, The Circuit Breaker pattern, from the book Release It!, protects a service from requests while it is failing (or recovering). The net.msmq binding used with transactions give us nice retry and poison message capabilities. But I am missing the implementation of such a "Circuit breaker" pattern. A service is put under even heavier load by retries while it is already in a failure condition (like DB connectivity issues causing loads of blocked threads etc.). Anyone knows about a behavior extension or similar that explicitly closes the service host when defined failure thresholds have been exceeded? Cheers, Alex

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• jQuery timer, ajax, and "nice time"

  - by Mil

  So for this is what I've got: $(document).ready(function () { $("#div p").load("/update/temp.php"); function addOne() { var number = parseInt($("#div p").html()); return number + 1; } setInterval(function () { $("#div p").text(addOne()); }, 1000); setInterval(function () { $("#geupdate p").load("/update/temp.php");} ,10000); }); So this grabs a a UNIX timestamp from temp.php and puts into into #div p, and then adds 1 to it every second, and then every 10 seconds it will check the original file to keep it up to speed. My problem is that I need to format this UNIX timestamp into a format such as "1 day 3 hours 56 minutes and 3 seconds ago", while also doing all the incrementation and ajax calls. I'm not very experienced with jquery/javascript, so I might be missing something basic.

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• Python, how to tell if screen is running.

  - by Joe Spoon

  Hello, I am very new to programming and am trying to run a python code to see if the screen program is running and if it is then to not run the rest of the code. This is what I have and it's not working. !/usr/bin/python import os var1 = os.system ('screen -r /root/screenlog/screen.log') fd = open("/root/screenlog/screen.log") content = fd.readline() while content: if content == "There is no screen to be resumed.": os.system ('/etc/init.d/tunnel.sh') print "The tunnel is now active." else: print "The tunnel is running." fd.close() I know there are probably several things here that don't need to be and quite a few that I'm missing. I will be running this program in cron. Thanks for any help.

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• Getting Path (context root) to the Application in Restlet

  - by Chad Gorshing

  I am needing to get the application root within a Restlet resource class (it extends ServerResource). My end goal is trying to return a full explicit path to another Resource. I am currently using getRequest().getResourceRef().getPath() and this almost gets me what I need. This does not return the full URL (like http://example.com/app), it returns to me /resourceName. So two problems I'm having with that, one is it is missing the schema (the http or https part) and server name, the other is it does not return where the application has been mounted to. So given a person resource at 'http://dev.example.com/app_name/person', I would like to find a way to get back 'http://dev.example.com/app_name'. I am using Restlet 2.0 RC3 and deploying it to GAE.

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• Best way to generate an automated report in Google Analytics for a specific collection of URLs

  - by Forrest Marvez

  Currently using Google Analytics as a supplement to our paid tracking software, but neither of them are giving us exactly what we need. I have a list of about 60 or so urls (out of about 1500) on the site that I wish to setup a monthly report for that can be emailed to multiple recipients. I can't seem to figure out how to create a report showing just the hits on these 60 urls, I can apply advanced filters on the content page but those disappear after a while and sometimes error out when adding too many URL's. Is there a method I'm missing in Google Analytics to achieve this goal or am I better running an SSIS package to pull the URL's from the API and formatting a document that way?

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• Orchard - Can't find the Resource defined in ResourceManifest.cs

  - by mlang

  I have a custom there, where I try to require some of my css and js files via the ResourceManifest.cs file - I keep into running a quite weird issue tough. I get the following error: a 'script' named 'FoundationScript' could not be found This is my ResourceManifest.cs: using Orchard.UI.Resources; namespace Themes.TestTheme { public class ResourceManifest : IResourceManifestProvider { public void BuildManifest(ResourceManifestBuilder builder) { var manifest = builder.Add(); manifest.DefineStyle("Foundation").SetUrl("foundation.min.css"); manifest.DefineScript("FoundationScript").SetUrl("foundation.min.js"); } } } In the Layout.cshtml, I have following: @{ Script.Require("ShapesBase"); Script.Require("FoundationScript"); Style.Include("site.css"); Style.Require("Foundation"); } What am I missing here?

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• Jetty with a custom JUL logger

  - by Alan Williamson

  I feel this should be easier, or I am missing something obvious. I am trying to use our custom JUL logging library with Jetty. No matter where I put the JAR file for the custom logger, it is not found. I have tried the usual suspects; /lib/, /lib/ext/, /WEB-INF/lib/ and even manually added it to the classpath. 2011-06-29 15:27:34.518::INFO: Started [email protected]:8080 Can't load log handler "net.aw20.logshot.client.LogShotHandler" java.lang.ClassNotFoundException: net.aw20.logshot.client.LogShotHandler java.lang.ClassNotFoundException: net.aw20.logshot.client.LogShotHandler at java.net.URLClassLoader$1.run(URLClassLoader.java:217) I am starting up Jetty using "-jar start.jar" technique. Searching around, I have spotted a couple of threads that talk about this problem, but with no resolution. Or if there was, they didn't answer with their solution. Can anyone help on this front? Thanks

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