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• Making that move from junior > mid level

  - by dotnetdev

  Hi, Before I start, I know there is another thread about this very issue (http://stackoverflow.com/questions/2352874/moving-from-junior-developer-to-mid-level). I am in this very same situation, but of course every person and the company/employment-history is not the same. In my current company, I have not done one piece of coding from start to finish with the oversight of my manager and a Project Manager to manage the work/deadlines etc. I am basically an odd-jobs type of guy. The coding I do is on the side to whatever boring spreadsheet/word document I have to write. Very illogical that you're a coder and you're doing it in secret. In another job I had for 3 months (Was made redundant), it required 1 years experience, perhaps because of the fact I was the sole developer. It wasn't too hard, but then I was solely responsible and I learnt a lot from that. I had 2 other 3 months jobs (contracts), so I have been working for 1 year 9 months. I know found a job which I'm in the last stage for, which needs 3 years .NET experience and 2 years Sharepoint. How can I know if I am ready for this job? My current job has been going on for 1 year, but it doesn't mean squat apart from explaining how I have spent my time. It does not tell me what level I am at (apart from the huge skills gap I have opened up against my peers because I practise at home). So 1 year of doing nothing at work, but 1 year of doing loads at home. In fact, I take 1 week off and do more at home then in the company since I started. How can I know if I am ready for such a job? I am generally very confident given all I've achieved in coding, but I have no idea what a job with this sort of experience entails (what day-to-day-problems I would be facing). Is there any advice on how to handle this transition? Thanks

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• iphone Core Data Unresolved error while saving

  - by Ahmed Kotb

  I am getting a strange error message from the core data when trying to save but the problem that the error is not reproducible ( it appears at different times when doing different tasks) the error message: Unresolved error Domain=NSCocoaErrorDomain Code=1560 UserInfo=0x14f5480 "Operation could not be completed. (Cocoa error 1560.)", { NSDetailedErrors = ( Error Domain=NSCocoaErrorDomain Code=1570 UserInfo=0x5406d70 "Operation could not be completed. (Cocoa error 1570.)", Error Domain=NSCocoaErrorDomain Code=1570 UserInfo=0x14f9be0 "Operation could not be completed. (Cocoa error 1570.)" ); } and the method that generates the error is: - (IBAction)saveAction:(id)sender { NSError *error; if (![[self managedObjectContext] save:&error]) { // Handle error NSLog(@"Unresolved error %@, %@, %@", error, [error userInfo],[error localizedDescription]); exit(-1); // Fail } } any idea for the reason of this message ? giving that it appears at random times

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• Short unique id in php

  - by Antti

  I want to create a unique id but uniqid() is giving something like '492607b0ee414'. What i would like is something similar to what tinyurl gives: '64k8ra'. The shorter, the better. The only requirements are that it should not have an obvious order and that it should look prettier than a seemingly random sequence of numbers. Letters are preferred over numbers and ideally it would not be mixed case. As the number of entries will not be that many (up to 10000 or so) the risk of collision isn't a huge factor. Any suggestions appreciated.

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• semi dynamic cdn

  - by dwi kristianto

  i'm developing couple of websites using php (directory script, etc.) and wordpress as cms. i need to improve its performance, by using cdn for static files (css, js, images). the problem is, css and javascript files are generated on the fly. i did that due to yahoo and some expert advice to combine the files into one file. also changing basic color of css files. for the time being, i use couple of small vps but still its not fast enough. i already contact maxcdn and the support guy said that they dont have such kind of services. what i need is: a cdn that will serve the request from user/visitor and there's no file in local disk, the cdn will redirect/fetch it from another domain/server. in vps, it could be done easily using combination of .htaccess and php, but NOT in the cdn. most of cdn only support purely static files. is there any such cdn that will server semi-dynamic files?

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• Google suggest API does not work with Chinese locale

  - by SadSido

  Hi, everyone! I have a problem with Google suggest API when using Chinese locale. I am picking Chinese hieroglyphs at random and use the REST API to retrieve suggestions. Unfortunately, Google always return an empty list of suggestions (I am completely sure, that I convert my request in utf-8, and it is working fine with other languages, ex. Russian): Sample request: http://suggestqueries.google.com/complete/search?qu=%E9%80%9F Google answer: window.google.ac.h(["?",[]]) Does anyone know how to retrieve suggestions for Chinese locale? Maybe I am missing some flags or something? Maybe there is an official document from Google, saying that Chinese is not supported? And are there any people from China, using Google toolbar? Does it really work? I'd appreciate any help! If it matters, I am writing a simple WinAPI application, using C++...

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• Pool Billiard AI

  - by Sebi

  Im implementing a pool billiard game in Java and it all works fine. It is a multiplayer game, but nevertheless, it should also be possible to play it alone. For this purpose I'm trying to implement a simple KI. At the moment, the KI choose just randomly a direction and a random intensity of the impulse (don't know the correct english word for that). Of course this AI is very poor and unlikely to ever challenge a player. So i thought about improving the KI, but there are several hard to solve problems. First I thought of just choosing the nearest ball and to try to put it directly into the nearest hole. This isn't that bad, but if there other balls in the line between, it isn't really working anymore. Additionally this dosn't solve te problem of calculating the intensity of the impulse. So are there any general advice? Or any ideas? Best practices?

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• accepts_nested_attributes_for and has_many :through relations.

  - by antiarchitect

  I want to make a simple examing application on RoR 2.3. The problem area is to make an exam_session in a one form with only one submit action. For the exam session there are selected some number of questions from the question pool in random order. For these questions there are selected some number of alternatives (to check is this a single answer question or multi answer question I use the number of correct alternatives: if only 1 - single, 1 - multi. Radiobuttons or checkboxes in form to answer depends on it). I have models: Questions ---< Alternative and ExamSession. I think there must be has_many :through relations between ExamSession and Questions and has_many :through relation between the intermediate table (for example QuestionsExamSession) and Alternative to point what alternatives are answers of the student on this Question. So the questions are: Is this scheme is too complicated and there is a way to do it simple and clear? Is there any way to organize models in such a way to make the form I want to work?

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• Open Source CMS (.Net vs Java)

  - by CmsAndDotNetKindaGuy

  I must say up-front that this is not a strictly programming-related question and a very opinionated one. I am the lead developer of the dominant .Net CMS in my country and I don't like my own product :). Managerial decisions over what is important or not and large chunks of legacy code done before I joined gives me headache every day I go for work. Anyway, having a vast amount of experience in web industry and a very good grasp of C# and programming practices I'm designing my own CMS the past few months. Now the problem is that I'm an open source kinda guy so I have a dilemma. Should I use C# and .Net which has crippled multi-platform support or should I drop .Net entirely and start learning Java where I can create a truly open-source and cross-platform CMS? Please don't answer that I should contribute to an existing open source CMS. I ruled that out after spending a great deal of time searching for something similar in structure to what I have in mind. I am not a native speaker, so feel free to correct my syntax or rephrase my question.

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• defining < operator for map of list iterators

  - by Adrian

  I'd like to use iterators from an STL list as keys in a map. For example: using namespace std; list<int> l; map<list<int>::const_iterator, int> t; int main(int argv, char * argc) { l.push_back(1); t[l.begin()] = 5; } However, list iterators do not have a comparison operator defined (in contrast to random access iterators), so compiling the above code results in an error: /usr/include/c++/4.2.1/bits/stl_function.h:227: error: no match for ‘operator<’ in ‘__x < __y’ If the list is changed to a vector, a map of vector const_iterators compiles fine. What is the appropriate way to define the operator < for list::const_iterator?

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• Hold i ajax call in every minute calling section

  - by gowri

  i am calling ajax every second in page.. Here the server page returns randomly generated number,using this number(converted into seconds) i am triggering another function in ajax success .it works My problem suppose random number = 5 means trigger() function called after 5 seconds using setTimeout,but rember ajax call is triggering every 1 second so trigger function also called many time. i want to make ajax call wait untill trigger function execution.Which means i wanna pause that ajax call untill 5 seconds after that resume How can i do this ? My coding //this ajax is called every minute $.ajax({ type: "POST", url: 'serverpage', data: ({pid:1}), success: function(msg) { var array = msg.split('/'); if(array[0]==1){ setTimeout(function() { trigger(msg); },array[1]+'000'); } } }); //and my trigger function function trigger(value) { alert("i am triggered !"); } server response maybe 1/2 or 1/5 or 1/ 10 or 1/1 here 1/3(this is converted into seconds)

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• Problem with stackless python, cannot write to a dict

  - by ANON

  I have simple map-reduce type algorithm, which I want to implement in python and make use of multiple cores. I read somewhere that threads using native thread module in 2.6 dont make use of multiple cores. is that true? I even implemented it using stackless python however i am getting into weird errors [Update: a quick search showed that the stack less does not allows multiple cores So are their any other alternatives?] def Propagate(start,end): print "running Thread with range: ",start,end def maxVote(nLabels): count = {} maxList = [] maxCount = 0 for nLabel in nLabels: if nLabel in count: count[nLabel] += 1 else: count[nLabel] = 1 #Check if the count is max if count[nLabel] > maxCount: maxCount = count[nLabel]; maxList = [nLabel,] elif count[nLabel]==maxCount: maxList.append(nLabel) return random.choice(maxList) for num in range(start,end): node=MapList[num] nLabels = [Label[k] for k in Adj[node]] if (nLabels!=[]): Label[node] = maxVote(nLabels) else: Label[node]=node However in above code the values assigned to Label, that is the change in dictionary are lost. Above propagate function is used as callable for MicroThreads (i.e. TaskLets)

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• How can I find the program making a harmonica sound?

  - by Josh

  A friend has a Windows XP SP3 machine that plays a harmonica sound for about 5 seconds throughout the day at what seems to be random intervals (every couple hours). My question is how can I find the program making this sound? Is there a Windows API hook for monitoring audio access? I've gone through and checked all the standard Windows sounds in the Control Panel and right now the theme is set to no sounds and I personally checked to make sure none of the events have a sound specified. I also checked the Task Scheduler to make sure there wasn't something scheduled to go off every couple hours. Any ideas on how to go about finding the bugger?

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• RockBand-like voice app for PC/OSX / Real time pitch display software

  - by Sai Emrys

  I played Rock Band 2 for the first time a little while ago (at Notacon). One thing I enjoyed about it was getting real-time feedback about my singing. I think it'd be neat to have something like that to run alongside my usual music, so that I can sing to random stuff in my music collection and know when I'm hitting the notes. Is there something like this for PC - ideally for OSX, and ideally that can just operate on arbitrary songs? I don't really care if it's game-like (though that's neat too); I just want it for the singing feedback. And I have no need for pitch correction - ideally what I'd see is just the pitches of the notes in the music and (on the same scale, differently displayed) of the live microphone. I tried to STFW but got no salient hits. :-/ Thanks!

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• Is Annotation in Javascript? If not, how to switch between debug/productive modes in declarative way

  - by Michael Mao

  Hi all: This is but a curious question. I cannot find any useful links from Google so it might be better to ask the gurus here. The point is: is there a way to make "annotation" in javascript source code so that all code snippets for testing purpose can be 'filtered out' when project is deployed from test field into the real environment? I know in Java, C# or some other languages, you can assign an annotation just above the function name, such as : // it is good to remove the annoying warning messages @SuppressWarnings("unchecked") public class Tester extends TestingPackage { ... } Basically I've got a lot of testing code that prints out something into FireBug console. I don't wanna manually "comment out" them because the guy that is going to maintain the code might not be aware of all the testing functions, so he/she might just miss one function and the whole thing can be brought down to its knees. One other thing, we might use a minimizer to "shrink" the source code into "human unreadable" code and boost up performance (just like jQuery.min), so trying to match testing section out of the mess is not possible for plain human eyes in the future. Any suggestion is much appreciated.

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• Add mask to input

  - by Lodewijk Wensveen

  I'm trying to achieve the seemingly impossible task of adding an mask to a input field. I have the following code: function addActivationCode(){ newRow = jQuery("div.activationcode:last-child").clone(); newRow.insertAfter(jQuery("div.activationcode:last-child")); newRow.attr("id", "coderow-" + Math.round(Math.random() * 10000)); newRow.find("input").val(""); find("input").mask("9999-9999-9999-9999"); newRow.find("a.coderemove").attr("onclick", "removeActivationCode('" + newRow.attr("id") + "'); return false;"); } function removeActivationCode(id){ jQuery("div#" + id).remove(); } Now I to get the .mask working on my input fields, so far I've only got it working on the new row I'm making and not on the original one. Can anyone help me out?

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• Linq to XML Document Traversal

  - by Perpetualcoder

  I have an xml document like this: <?xml version="1.0" encoding="utf-8" ?> <demographics> <country id="1" value="USA"> <state id ="1" value="California"> <city>Long Beach</city> <city>Los Angeles</city> <city>San Diego</city> </state> <state id ="2" value="Arizona"> <city>Tucson</city> <city>Phoenix</city> <city>Tempe</city> </state> </country> <country id="2" value="Mexico"> <state id ="1" value="Baja California"> <city>Tijuana</city> <city>Rosarito</city> </state> </country> </demographics> How do I setup LINQ queries for doing things like: 1. Get All Countries 2. Get All States in a Country 3. Get All Cities inside a state of a paricular country ? I gave it a try and I am kind of confused when to use Elements["NodeName"] and Descendants etc. I know I am not the brightest XML guy around. Is the format of the XML file even correct for simple traversal?

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• Why is it a bad practice to call System.gc?

  - by zneak

  After answering to a question about how to force-free objects in Java (the guy was clearing a 1.5GB HashMap) with System.gc(), I've been told it's a bad practice to call System.gc() manually, but the comments seemed mitigated about it. So much that no one dared to upvote it, nor downvote it. I've been told there it's a bad practice, but then I've also been told garbage collector runs don't systematically stop the world anymore, and that it could also be only seen as a hint, so I'm kind of at loss. I do understand that usually the JVM knows better than you when it needs to reclaim memory. I also understand that worrying about a few kilobytes of data is silly. And I also understand that even megabytes of data isn't what it was a few years back. But still, 1.5 gigabyte? And you know there's like 1.5 GB of data hanging around in memory; it's not like it's a shot in the dark. Is System.gc() systematically bad, or is there some point at which it becomes okay? So the question is actually double: Why is it or not a bad practice to call System.gc()? Is it really a hint under certain implementations, or is it always a full collection cycle? Are there really garbage collector implementations that can do their work without stopping the world? Please shed some light over the various assertions people have made. Where's the threshold? Is it never a good idea to call System.gc(), or are there times when it's acceptable? If any, what are those times?

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• A device specific alpha bitmap fails after switching resolutions in remote desktop

  - by Bob

  All my alpha bitmaps, created using CreateCompatibleBitmap(..), start to receive an error code 87 after someone signs in with Remote Desktop. I am assuming that this is because the resolution changed and I am using a device specific bitmap. I am wondering what the best route is to fix this issue without migrating to a device independent bitmap? Some options are: 1) Detect remote desktop change and flag all bitmaps to be reloaded (I have done this but it does not work as well as I would like). 2) Wait for error code 87 to happen on an alphablend image that previously worked, and then reload it (was going to try this next, im sure it will work, but a little hacky) 3) Detect random event such as WM_DISPLAYCHANGE or _ that tells me when I should do this (ie: a device change event I'm guessing, or maybe something more specific?) 4) _? Thanks for any help in advance

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• Why does this crash with access violation to 0xcccccc...?

  - by Mike

  I have a random piece of code, I use for reading from CSV files... and it's fine... until after about 2000 reads... then the getline line fails with an access violation to 0xcccccc... which I assume means that the input stream (file) has been cleared... Not that I know why :) int CCSVManager::ReadCSVLine ( fstream * fsInputFile, vector <string> * recordData ) { string s; getline ( *fsInputFile, s ); stringstream iss( s ); for ( unsigned int i = 0; i < getNumFields (); i++ ) { getline ( iss, s, ',' ); (*recordData)[i] = s; } return 0; } Any ideas why?

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• Xpath to get the 2nd url with the matching text in the href tag

  - by Blankman

  A html page has paging links, 1 set at the top of the page and another on the bottom of the page. Using HtmlUnit, I am currently getting the HtmlAnchor on the page using getByAnchorText("1"); There is a problem in some of the links on the top, so I want to reference the bottom links using XPath. nextPageAnchor = (HtmlAnchor) page.getByXPath(""); How can I reference the 2nd link on the page, with using xpath? I need to reference the link using the AnchorText, so a link like: <a href="....">33</a> The href has random text, and is a javascript function so I have no idea what it will be. Is this possible with xpath?

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• LINQ to remove duplicated property

  - by Shawn Mclean

  I have a LINQ statement like this: var media = (from p in postService.GetMedia(postId) select new { PostId = postId, SynthId = p.SynthId }); There are many(possibly thousands) of records returned with the same SynthId. I want to select one one, any random one. So when I'm finished, media should contain records with distinct SynthId. SynthId can be null, I want all nulls to be in media (the distinct should not affect them). My DAL is EntityFramework, if that will help. How do I accomplish this in the most efficient way?

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• ruby 1.9: invalid byte sequence in UTF-8

  - by Marc Seeger

  I'm writing a crawler in ruby (1.9) that consumes lots of HTML from a lot of random sites. When trying to extract links, I decided to just use .scan(/href="(.*?)"/i) instead of nokogiri/hpricot (major speedup). The problem is that I now receive a lot of "invalid byte sequence in UTF-8" errors. From what I understood, the net/http library doesn't have any encoding specific options and the stuff that comes in is basically not properly tagged. What would be the best way to actually work with that incoming data? I tried .encode with the replace and invalid options set, but no success so far...

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• How do I label a group of radio boxes for WCAG / 508 Compliance? Is ASP.NET doing it wrong?

  - by Mark Brittingham

  I am trying to bring an existing web site into greater conformance with WCAG 2.0 Guidelines and am a bit confused over the output emitted by Microsoft (ASP.NET 4.0 although it was the same in 3.5). Suppose you have a question like: "How would you rate your health?" and a set of 5 answers created using an ASP.NET RadioButtonList. I place the question in an asp:Label with an "AssociatedControlID" that matches the ID of the RadioButtonList (e.g. "SelfRatingBox"). Seems pretty easy... Only the output that is generated has an html "label" with a "For" that is equal to the ID of a table that wraps up the RadioButtons. I assumed that this would work with page readers but our 508 compliance guy is saying that the reader isn't associating the label with the radio controls. The WCAG guidelines indicate that you have to use a fieldset around the entire group and a legend to capture the associated text (the question). So what gives? It would be ideal if MS could take my label and the radiobuttonlist and generate the appropriate fieldset and legend tags but it seems pretty clear that to achieve WCAG compliance, I'll have to roll my own. Is this correct or am I missing something?

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• NHybernate, the Parallel Framework, and SQL Server

  - by andy

  hey guys, we have a loop that: 1.Loops over several thousand xml files. Altogether we're parsing millions of "user" nodes. 2.In each iteration we parse a "user" xml, do custom deserialization 3.finally, in each iteration, we send our object to nhibernate for saving. We use: .SaveOrUpdateAndFlush(user); This is a lengthy process, and we thought it would be a perfect candidate for testing out the .NET 4.0 Parallel libraries. So we wrapped the loop in a: Parallel.ForEach(); After doing this, we start getting "random" Timeout Exceptions from SQL Server, and finally, after leaving it running all night, OutOfMemory unhandled exceptions. I haven't done deep debugging on this yet, but what do you guys think. Is this simply a limitation of SQL Server, or could it be our NHibernate setup, or what? cheers andy

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• stupid caching in asp.net

  - by kusanagi

  i use such code string.Format("<img src='{0}'><br>", u.Avatar); u.Avatar-it's like '/img/path/pic.jpg' but in this site i can upload new image instead old pic.jpg. so picture new, but name is old. and browser show OLD picture (cache). if i put random number like /img/path/pic.jpg?123 then works fine, but i need it only ufter upload, not always. how can i solve this? ?????????? ??????

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