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  • Can't set element ID in JavaScript, it's always undefined

    - by Dylaan Alith
    Hi, I want to have a function that generates ID's on the fly for a given jquery object, if it doesn't have one already. These ID's should then be used in future requests. I came up with the code below, but it doesn't work. The ID's are never set. The commented out alert statement below always return undefined. I always pass code like $(this) or $(options.el) as a parameter to substitute 'el'. Initially, the elements do not have explicitly ID set in HTML. Any help would be appreciated, here's the code: getElementId: function(el) { if(undefined == el.attr('id')) { el.attr('id',"anim-"+Math.random().toString().substr(2)); } // alert(el.attr('id')); return el.attr('id'); },

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  • How to get Field Labels from PIMItem - Blackberry

    - by Taha
    How can we get Field Labels from PIMItem. The following code is with PIMList String label = pimList.getAttributeLabel(blackBerryContact.getAttributes(Contact.TEL, i)); But i have PIMItem. There is a method PIMItem.getPIMList() which returns null for me in the code below. THE API at http://www.blackberry.com/developers/docs/5.0.0api/index.html says "getPIMList() Gets the PIMList associated with this item." Below is sample code that i am trying to achive - // Load the address Book and allow the user to select a contact BlackBerryContactList contactList = (BlackBerryContactList) PIM.getInstance().openPIMList(PIM.CONTACT_LIST,PIM.READ_ONLY); PIMItem userSelectedContact = contactList.choose(); // Now get the Field labels for contact numbers for userSelectedContact

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  • How can I ignore C comments when I process a C source file with Perl?

    - by YoDar
    I'm running a code that read files, do some parsing, but need to ignore all comments. There are good explanations how to conduct it, like the answer to How can I strip multiline C comments from a file using Perl? $/ = undef; $_ = <>; s#/\*[^*]*\*+([^/*][^*]*\*+)*/|("(\\.|[^"\\])*"|'(\\.|[^'\\])*'|.[^/"'\\]*)#defined $2 ? $2 : ""#gse; print; My first problem is that after run this line $/ = undef; my code doesn't work properly. Actually, I don't know what it does. But if I could turn it back after ignoring all comments it will be helpful. In general, What is the useful way to ignore all comments without changing the rest of the code?

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  • How do I suppress asp:image AlternateText from html escaping?

    - by rsturim
    I have an asp:Image -- which I'm assigning "alt" and "tooltip" from the code behind. Unfortunately the value which is coming from the database is getting automatically html escaped -- which I do now want it to -- how do I suppress this? For example my trademark html entity is doing this -- &#174; gets changed to --> &amp;#174 -- which is incorrect Here's my code in the aspx: <asp:Image runat="server" ID="MainImage" Width="260" /> Do I have any options? Thanks, -R And here's my code behind: this.MainImage.AlternateText = this.BasePage.SellGroup.DisplayName;

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  • Changing Color with LinearLayout and TextView in Java (Android)

    - by Rob S.
    I'm a relatively new Android developer and I noticed what seems like an oddity to me that I'm hoping someone can explain. I have LinearLayout ll. This line of code fails for me when executed: ll.setBackgroundColor(R.color.white); However this line of code works: ll.setBackgroundResource(R.color.white); I assume its simply because I have white defined in my resources. However, I've also tried passing 0xFFFFFF in setBackgroundColor() and that doesn't work either. Similarly with my TextView text this line of code fails when executed: text.setTextColor(R.color.white); I can see my TextView so I know I initialized it correctly (like my LinearLayout which I can also see). So I guess my question boils down to: How do I properly use LinearLayout.setBackgroundColor() and TextView.setTextColor() ? Thanks a ton in advance. I've read through the docs and tried to find information online via googling and haven't come up with anything.

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  • To be a lazy developer or not to be a lazy developer?

    - by JamesStuddart
    Am I a lazy developer? Is it being lazy to use automated tools, such as code generators and such? Now, I could, if I had to, create all the data layers and entities I needed, but I choose to use CodeSmith to generate my datalayers and entities. I also use Resharper and I would say it fights with MSDeploy as to which gets installed first after Visual Studio. Again if I had to, I could code without it, but prefer not to. Both these tools from my point of view are no brainers as they improve output massively. But is this lazy? I'm sure there are purists out there that would say everything should be wirtten by you so you know what everything is doing, but if you can read through the code and see what is happening is that ok? So am I being lazy or am I just using all the cards in my hand?

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  • speed up calling lot of entities, and getting unique values, google app engine python

    - by user291071
    OK this is a 2 part question, I've seen and searched for several methods to get a list of unique values for a class and haven't been practically happy with any method so far. So anyone have a simple example code of getting unique values for instance for this code. Here is my super slow example. class LinkRating2(db.Model): user = db.StringProperty() link = db.StringProperty() rating2 = db.FloatProperty() def uniqueLinkGet(tabl): start = time.time() dic = {} query = tabl.all() for obj in query: dic[obj.link]=1 end = time.time() print end-start return dic My second question is calling for instance an iterator instead of fetch slower? Is there a faster method to do this code below? Especially if the number of elements called be larger than 1000? query = LinkRating2.all() link1 = 'some random string' a = query.filter('link = ', link1) adic ={} for itema in a: adic[itema.user]=itema.rating2

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  • Growing MS Access File Size problem

    - by user55886
    I have a large MS Access application with a lot of computations in VBA code. When I run it it eventually crashes due to excessive file size. There are a lot of intermediate tables and queries created and subsequently deleted, but Access does not reclaim the space. I have diligently closed all intermediate record sets and set all temporary objects to nothing, but nothing helps. The only way I can get my code to run is to run part of it, stop and repair/compress the file then restart the code. Isn't there a better way? Thanks

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  • Sql Distinct Count of resulting table with no conditionals

    - by AfterImage
    Hello everyone, I want to count the number of accounts from the resulting table generated from this code. This way, I know how many people liked blue at one time. Select Distinct PEOPLE.FullName, PEOPLE.FavColor From PEOPLE Where FavColor='Blue' Lets say this is a history accounting of what people said their favorite color when they were asked so there may be multiple records of the same full name if asked again at a much later time; hence the distinct. The code I used may not be reusable in your answer so feel free to use what you think can work. I am sure I found a possible solution to my problem using declare and if statements but I lost that page... so I am left with no solution. However, I think there is a way to do it without using conditionals which is what I am asking and rather have. Thanks. Edit: My question is: From the code above, is there a way to count the number of accounts in the resulting table?

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  • Searching for the right pattern to handle login data

    - by stevebot
    Hi all, I'm working on a controller that handles logins for a Web app. These logins will come from multiple clients but will all contain the same data. However, depending on the client, this data will be interpreted into common entities for our webapp differently. For instance, we have a user code that gets sent in, and in one case we may use the first four digits of the code, and in another case 12 digits of the code to map to a field on a User entity. Instead of handling this all in the controller and having big nasty if blocks of logic, I would like to use a pattern to handle how this information gets ingested into our application. What are your opinions?

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  • best way to prgram php and mysql query

    - by air
    most of times in our pages we need to print only 1 field value of table in loop. for example <?php for($i=1;$i<=mysql_num_rows($result);$i++) { echo $row['name']; $sql1="select industry from table_industry where profid='".$row['prof']."'"; $result1=mysql_query($sql1); $row1=mysql_fetch_array($result1); echo $row1['industry']; ?> } ?> above is one PHP code just for example where we think that $row['prof'] carry value of profession ID and we print profession of each person. for example we have 5000+ record in table and above loop will execute for 5000+ times what will be the best way to print value of industry field from table table_industry Same code which i write above ? any other php code suggestion for faster execution and less use of resources? Thanks

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  • Looking for substantial open source GWT/App-Engine project to use as reference

    - by tempy
    I'm working on GAE-J/GWT app, wherein a desktop app connects to the GAE-J component, and there is also a web-app component whose front-end is written in GWT, and the GAE-J backend supports both the desktop app and the web app. I have a good amount of experience with writing pure server code and desktop code, but not so much on the web-app side of things. So I'm looking to study some good sophisticated open source code to see how other's have done things, but I can't find much open source GWT and/or GAE-J stuff, other than frameworks. Does anyone know of any good projects out there?

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  • What is the right method for parsing a blog post?

    - by Zedwal
    Hi guys, Need a guide line .... I am trying to write a personal blog. What is the standard structure for for input for the post. I am trying the format like: This is the simple text And I am [b] bold text[/b]. This is the code part: [code lang=java] public static void main (String args[]) { System.out.println("Hello World!"); } [/code] Is this the right way to store post in the database? And What is the right method to parse this kind of post? Shall I use regular expression to parse this or there is another standard for this. If the above mentioned format is not the right way for storage, then what it could be? Thanks

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  • Getting search results from Twitter in php

    - by Mark Mayo
    I'm attempting to put together a little mashup with some twitter APIs. However, the whole area is new to me (I'm more of an embedded developer dabbling). And frustratingly, every tutorial I am trying in Php is either out of date, not doing what it claims to do, it or is broken. Essentially, I just want a nice bit of example code - say, an HTML file, a connection.js for the JQuery magic, and a php file - 'getsearch' which contains the relevant Curl calls to the API to just return the results for a given search term. Followed the tutorial to the letter at http://www.reynoldsftw.com/2009/02/using-jquery-php-ajax-with-the-twitter-api/ and even downloaded the guy's code and chucked it on my webserver, but it just seems to sit there. I'm relatively competent at php and html, but it's the Curl and the JQuery side of things which is new to me, and would appreciate any thoughts, links, or code suggestions. I've attempted reading the API - but even that seems sparse - and several links are broken to their own tutorials, so that's put me off a bit for now.

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  • c# passing method names as the argument in a method

    - by Alan Bennett
    hi guys, I have a recuring method which shows up many times in my code its basically checking to make sure that the connection to the odbc is ok and then connects but each time this method is called it calls another method and each instance of the main method this one is different, as each method is about 8 lines of code having it 8 times in the code isnt ideal. so basically i would like to have just one method which i can call passing the name of the new method as an arguement. so basically like: private void doSomething(methodToBeCalled) { if(somthingistrue) { methodToBeCalled(someArgument) } } is this possible? thanks in advance

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  • Best and safest Java Profiler for production use?

    - by Pete
    I'm looking for a Java Profiler for use in a very high demand production environment, either commercial or free, that meets all of the following requirements: Lightweight integration with code (no recompile with special options, no code hooks, etc). Dropping some profiler specific .jars alongside the application code is ok. Should be able to connect/disconnect to the JVM without restarting the application. When profiling is not active, no impact to performance When profiling is active, negligible impact to performance. Very slight degradation is acceptable. Must do all the 'expected' stuff a profiler does - time spent in each method to find hotspots, object allocation/memory profiling, etc. Essentially I need something that can sit dormant in production when everything is fine without anyone knowing or caring that it is there, but then be able to connect to it hassle (and performance degradation) free to pinpoint the hard to find problems like hotspots and synchronization issues.

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  • Finding parents where child collection does not contain an item

    - by Colin Bowern
    I am trying to get a list of parents where the child collection does not contain an item of a specific type. The LINQ equivalent would be something like: dataset.Where(x => x.Items.FirstOrDefault(y => y.Type.Code == "ABC") == null) The object model is Parent Child (Items) Type Code If Parent is my aggregate root, how would I model this in NHibernate criteria/query? Here's my first attempt: var results = session.CreateCriteria<Parent>() .CreateCriteria("Items") .CreateCriteria("Type") .Add(Restrictions.Not(Restrictions.Eq("Code", "ABC"))) .SetResultTransformer(Transformers.DistinctRootEntity) .List<Parent>(); This doesn't seem to return the right entities - it just returns them all.

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  • What jquery based table plugin can hide sub rows?

    - by user1458290
    I'm in the need to convert excel macros into jquery code, the function is that you need to click on the plus sign to unfold and show the sub rows to modify column2 if you want to type values in column2, the other columns can't be modified. You can't straightly modify values of column2 until you unfold the parent row, because there are many sub rows belonging to parent row,say Car. The values of Name, Model, Code are existing, they are master data, no need to type or modify. please see the snapshot at folded and unfolded, besides modifying values in sub rows , I need to be able to know which sub rows are modified and values of those rows.Initially the editable columns are blank. And when you click on the minus sign, the sub rows can be folded again,but the modified values won't be lost,they are still there when unfolded again. One last requirement is it's cross devices, the code must run well on pc,mobile phone,pad. Is that possible? Many thanks.

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  • Python: confused with classes, attributes and methods in OOP

    - by user1586038
    A. Am learning Python OOP now and confused with somethings in the code below. Question: 1. def init(self, radius=1): What does the argument/attribute "radius = 1" mean exactly? Why isn't it just called "radius"? The method area() has no argument/attribute "radius". Where does it get its "radius" from in the code? How does it know that the radius is 5? """ class Circle: pi = 3.141592 def __init__(self, radius=1): self.radius = radius def area(self): return self.radius * self.radius * Circle.pi def setRadius(self, radius): self.radius = radius def getRadius(self): return self.radius c = Circle() c.setRadius(5) """ B. Question: In the code below, why is the attribute/argument "name" missing in the brackets? Why was is not written like this: def init(self, name) and def getName(self, name)? """ class Methods: def init(self): self.name = 'Methods' def getName(self): return self.name """

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  • Problem invoking C DLL in C#

    - by CristiC
    I'm currently trying to invoke a method made in C from C# C code looks like this: extern "C" int addSum(int a, int b) { return a*b; } extern "C" int getCount() { return 12; } and C# code looks like this: [DllImport("mydll.dll", SetLastError=true)] private static extern int addSum(IntPtr a, IntPtr b); [DllImport("mydll.dll", SetLastError = true)] private static extern int getCount(); public static int mySum(int a, int b) { return suma(a, b); } public static int getMyCount() { return getCount(); } The code returns the right values but i'm getting the following error: addSum' has unbalanced the stack. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention and parameters of the PInvoke signature match the target unmanaged signature. Any sugestion regarding this issue ? Thanks

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  • Virtualization of Legacy API and co-existence with more modern API?

    - by Pharaun
    I don't mean for this question to be a flame bait but I'll be using Microsoft and their win32 API as a example of a legacy API. Now what I am wondering here is Microsoft is spending a lots of their money and energy in maintaining their legacy API, including all of the "glitches/bugs/workaround" that are needed to keep the API functioning the same. Now I'm aware that in Windows 7 they are providing a way for the customer to run their application in a "Windows XP" VM which would be one such way for them to start cleaning up their win32 API because they could then push all of the application into the "Windows XP" VM. So now what I am wondering is, is it possible to virtualization a legacy API in such way that an customer/program can still access and use it, yet at the same time be able to take advantage of the newer version/API? Because as far as I understand it, if the application is ran in the "Windows XP" VM, it won't be able to access any of the newer API/feature of Windows 7.

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  • Showing custom model validation exceptions in the Django admin site.

    - by Guy Bowden
    I have a booking model that needs to check if the item being booked out is available. I would like to have the logic behind figuring out if the item is available centralised so that no matter where I save the instance this code validates that it can be saved. At the moment I have this code in a custom save function of my model class: def save(self): if self.is_available(): # my custom check availability function super(MyObj, self).save() else: # this is the bit I'm stuck with.. raise forms.ValidationError('Item already booked for those dates') This works fine - the error is raised if the item is unavailable, and my item is not saved. I can capture the exception from my front end form code, but what about the Django admin site? How can I get my exception to be displayed like any other validation error in the admin site?

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  • Garbage Collection in Java

    - by simion
    On the slides I am revising from it says the following: Live objects can be identified either by maintaining a count of the number of references to each object, or by tracing chains of references from the roots. Reference counting is expensive – it needs action every time a reference changes and it doesn’t spot cyclical structures, but it can reclaim space incrementally. Tracing involves identifying live objects only when you need to reclaim space – moving the cost from general access to the time at which the GC runs, typically only when you are out of memory. I understand the principles of why reference counting is expensive but do not understand what "doesn’t spot cyclical structures, but it can reclaim space incrementally." means. Could anyone help me out a little bit please? Thanks

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  • Add RESTful Action

    - by Drew Rush
    The source of my information is section 2.9 here: [http://guides.rubyonrails.org/routing.html#connecting-urls-to-code][1] What I'm trying to do is add a custom action "search" and corresponding view. So, as it says to do in the documentation, I've added this code in my config/routes.rb file: resources :dimensions do collection do get "search" end end I've also defined in the dimensions_controller file: def search @dimensions = Dimension.all respond_to do |format| format.html # search.html.erb format.json { render json: @dimensions } end end I then stopped and restarted the rails server, but when I navigate to /dimensions/home, I'm still getting this error message: Couldn't find Dimension with id=search Also showing that my parameter is: {"id"=>"search"} So am I just missing another bit of code that gives the instruction to interpret /dimension/search as a collection action as opposed to the show action? Thanks for your time.

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  • JQuery Dynamic Element - In DOM but unable to bind

    - by Grant80
    Hi All, I'm new to using JQuery so bear with me. I had implmented some code based on a js file that I found online which enables a series of div tags within a nested structure on my page to step through and show each one individually on the page. This all works great when I define the div tags as static entries in the masterpage. I should add that this is being implemented in a SharePoint master page. Ultimately though, with a static collection of div tags ideally containing an image with some descriptive text, and a hyperlink its not very flexible. Roll on my changes to make this a little more configurable. I have implemented some additional code that will read from a SharePoint list via an ajax call to the lists web service. For each entry in the list I am building a div tag that contains the information required dynamically. For testing, I am only pulling the title through at present. I have used the following code: $('#beltDiv').append(divHTML) to append the divs in the loop that are created to my nested structure on the page. I figured that this would cause the fade code to work as expected but I was wrong. It doesn't do anything at all. When check the source on the page, the div tags are not shown. They are however available in the DOM model when viewed through the IE developer toolbar. The issue (I think) looks to be that the initiation of the featureFade code is not working due to the div tags being unavailable. Is there a way to address this? The code used is shown below: <script type="text/javascript"> $(document).ready(function() { var soapEnv = "<soapenv:Envelope xmlns:soapenv='http://schemas.xmlsoap.org/soap/envelope/'> \ <soapenv:Body> \ <GetListItems xmlns='http://schemas.microsoft.com/sharepoint/soap/'> \ <listName>Carousel Items</listName> \ <viewFields> \ <ViewFields> \ <FieldRef Name='Title' /> \ </ViewFields> \ </viewFields> \ </GetListItems> \ </soapenv:Body> \ </soapenv:Envelope>"; $.ajax({ url: "_vti_bin/lists.asmx", type: "POST", dataType: "xml", data: soapEnv, complete: processResult, contentType: "text/xml; charset=\"utf-8\"" }); }); function processResult(xData, status) { $(xData.responseXML).find("z\\:row").each(function() { var divHTML = "<div id=\"divPanel_" + $(this).attr("ows_Title") + "\" class=\"panel\" style=\"background:url('http://devSP2010/sites/SPSOPS/Style Library/SharePointOps/Images/01.jpg') no-repeat; width:650px; height:55px;\"><div><div class=\"content\"><div><P><A style=\"COLOR: #cc0000\" href=\"www.google.com\">" + $(this).attr("ows_Title") + "</A></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P></div></div></div></div>"; $("#beltDiv").append(divHTML); }); } featureFade.setup({ galleryid: 'headlines', beltclass: 'belt', panelclass: 'panel', autostep: { enable: true, moveby: 1, pause: 10000 }, panelbehavior: { speed: 1000, wraparound: true }, stepImgIDs: ["ftOne", "ftTwo", "ftThree", "ftFour","ftFive"], defaultButtons: { itemOn: "Style Library/SharePointOps/Images/dotOn.png", itemOff: "Style Library/SharePointOps/Images/dotOff.png" } }); The section where the div tags are dynamically appended is shown below. I've commented out the static div tags that work as expected. The only change is that these are implmented by the JQuery logic: <div class="homeFeature" style="display:inline-block"> <div id="headlines" class="headlines"> <div id="beltDiv" class="belt"> <!-- <div id="divPanel_ct01" class="panel" style="position:absolute;background-image:url('http://devsp2010/sites/spsops/Style Library/SharePointOps/Images/01.jpg'); background-repeat:no-repeat">Static Test 1</div> <div id="divPanel_ct02" class="panel" style="position:absolute;background-image:url('http://devsp2010/sites/spsops/Style Library/SharePointOps/Images/02.jpg'); background-repeat:no-repeat">Static Test 2</div> --> </div> </div> I'm stumped as to why it's not recognising the dynamically added elements in the DOM. Any help would be greatly appreciated on this. I'm happy to provide any further information on this. Thanks in advance, Grant Further to the answer recieved: I have modified the function call: function processResult(xData, status) { $(xData.responseXML).find("z\\:row").each( function() { /*alert($(this).attr("ows_ImagePath"));*/ var divHTML = "<div id=\"divPanel_" + $(this).attr("ows_Title") + "\" class=\"panel\" style=\"background:url('http://devSP2010/sites/SPSOPS/Style Library/SharePointOps/Images/ClydePort01big.jpg') no-repeat; width:650px; height:55px;\"><div><div class=\"content\"><div><P><A style=\"COLOR: #cc0000\" href=\"www.google.com\">" + $(this).attr("ows_Title") + "</A></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P></div></div></div></div>"; $("#beltDiv").append(divHTML); } ); featureFade.setup( { galleryid: 'headlines', beltclass: 'belt', panelclass: 'panel', autostep: { enable: true, moveby: 1, pause: 10000 }, panelbehavior: { speed: 1000, wraparound: true }, stepImgIDs: ["ftOne", "ftTwo", "ftThree", "ftFour","ftFive"], defaultButtons: { itemOn: "Style Library/SharePointOps/Images/dotOn.png", itemOff: "Style Library/SharePointOps/Images/dotOff.png" } } ); }

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