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• Password protected web content-- basic question

  - by nickpish

  I'm looking to create a password-protected section of my website that requires user login, and I'm wondering what approach would provide the simplest solution. For the most part, the site will be very simple and static-- i.e. no real requirement for a database/backend-- with the protected content contained in a single directory, which I've already configured on my server via htaccess. I guess I'm wondering ultimately if it's possible to use a script of some sort that will enable access to this protected directory via a form and thereby bypass the need for configuring a mySQL/PHP solution? Furthermore, this protected content is not exactly hyper-sensitive, but private nonetheless. Thanks much for any direction here.

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• Why do virtual memory addresses for linux binaries start at 0x8048000?

  - by muteW

  Disassembling an ELF binary on a Ubuntu x86 system I couldn't help but notice that the code(.text) section starts from the virtual address 0x8048000 and all lower memory addresses seem to be unused. This seems to be rather wasteful and all Google turns up is either folklore involving STACK_TOP or protection against null-pointer dereferences. The latter case looks like it can be fixed by using a single page instead of leaving a 128MB gap. So my question is this - is there a definitive answer to why the layout has been fixed to these values or is it just an arbitrary choice?

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• Profiling help required

  - by Mick

  I have a profiling issue - imagine I have the following code... void main() { well_written_function(); badly_written_function(); } void well_written_function() { for (a small number) { highly_optimised_subroutine(); } } void badly_written_function() { for (a wastefully and unnecessarily large number) { highly_optimised_subroutine(); } } void highly_optimised_subroutine() { // lots of code } If I run this under vtune (or other profilers) it is very hard to spot that anything is wrong. All the hotspots will appear in the section marked "// lots of code" which is already optimised. The badly_written_function() will not be highlighted in any way even though it is the cause of all the trouble. Is there some feature of vtune that will help me find the problem? Is there some sort of mode whereby I can find the time taken by badly_written_function() and all of its sub-functions?

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• Android service puts multiple instances of an activity in the history

  - by HenryAdamsJr

  I'm making a music player. When you press play, it loads a notification into the OnGoing section. When you go anywhere else in the system, I want the music to keep playing. All of this is fine. The problem is that when I relaunch my activity from the Notification, it adds a task to the history stack each time, so if I hit back, I have to see the instance of Activity B from where I pressed play, and from every time I clicked on the notification to go back to Activity B. I want the instance of Activity B that I launch from the notification (via the service) to be the only copy of that Activity in the history. I've been playing around with various Intent flags and Activity attributes in the manifest, but I haven't found the proper combination.

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• Custom librairies with Razor with the release version of MVC 3

  - by Maxim

  So I'm developing an in-house library for MVC 3 and I want to add it to my project. I added it to my web.config. I added the assembly and added it to the pages - namespaces section and... no. Doesn't work. I tried recompiling, etc... but Razor doesn't like it at all. It's not an intellisense problem... the site can't run if I use my defined namespace. The only way that I made it work was by using the following statements: @using Sample.Helpers I don't want to use it in the pages. I want to be able to deploy it to many projects and adding it to the web.config is definitely the way to go. Anyone ran into this problem?

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• Admin panel - what is the best way to display "static" data in the layout?

  - by rkj

  I'm about to write a admin panel for my CMS written in CodeIgniter. There will be some user information visible at all time - both in the layout's header section and the sidebar. I'm used to do it in a way that I personally hope and think could be done a lot easier, since I'm tired of sending the same parametres to the view over and over again, when it's dynamic data that needs to be displayed on every page anyways (such as unread messages, username, name, status, etc). I'll need controllers and models, I know that, but do I have to pass, just for an example, the user's username, unread messages etc. every time I need to load a view? Should I do some kind of library for this? Now my question is: How would I do it when it comes to best practice and for making it easy to maintain in the future? I hope my question is understandable :)

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• How to connect android application running on a device to a local web application?

  - by guna

  I have my droid device connected through USB and using Eclipse for debugging my application running on the device. Everything is fine, except my application needs to connect to a web application running on the same host computer (Windows XP, IE). The web address on the IE was "http://local:4566/MyApp/". I tried to set my android app to "http://10.0.2.2:4566/MyApp", but no luck. The android app's connection simply times out. The document under http://developer.android.com/guide/developing/tools/emulator.html says that the ip address may be different for devices (see Network Address Space section) but no further details on how to find that. Question is, how to I connect to a local web application running on my host computer (windows xp) from an Android application connected through USB running debug under Eclipse? Appreciate any help. thanks, Guna

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• Creating user generated reports

  - by Marquinio

  Hello Everyone, I need users to create custom reports. These users do not know any technical skills like SQL. We currently have a custom database report design. So basically whatever the user does on the GUI the application will have to generate the appropriate SQL to generate the report structure. Has anyone done this before? I know there are reporting solutions out there but we already have our own database tables for reporting. We already have a section where users can view reports displayed in HTML. Like for example if user selects a "UserID" and "Accounts" fields from GUI, how would I know that my SQL has to join the USER and ACCOUNTS table? I guess I'm just looking for some ideas to help me solve this problem. Thanks.

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• XSL - How to tell if element is last in series

  - by Chris

  I have an XSL template that is called (below). What I would like to do is be able to tell if I am the last Unit being called. <xsl:template match="Unit[@DeviceType = 'Node']"> <!-- Am I the last Unit in this section of xml? --> <div class="unitchild"> Node: #<xsl:value-of select="@id"/> </div> </xsl:template> Example XML <Unit DeviceType="QueueMonitor" Master="1" Status="alive" id="7"> <arbitarytags /> <Unit DeviceType="Node" Master="0" Status="alive" id="8"/> <Unit DeviceType="Node" Master="0" Status="alive" id="88"/> </Unit>

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• TortoiseHg : Can commit by command line but not with contextual menu

  - by nicon

  I just installed TortoiseHg (and I'm new to mercurial). I haven't been able to execute any commit with the contextual menu from Tortoise. Every time I try, I get the following error : Commit : Abort : The system cannot find the specified file. I get the error no matter the changes in my repository : new files, modifications to existing files. I also took the time to configure tortoise as shown here : http://tortoisehg.bitbucket.org/manual/1.0/quick.html (section 3.1) The strange thing is, everything is working well when I'm doing my commit from the command line. What should I look for ?

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• Can I save my app's state at close time in iPhone OS?

  - by Steve

  I have an app that functions much like an ebook. I have a bunch of textual information in various languages that is accessible through a number of drill down methods. When a user wants to get into where they were reading last, they currently have to navigate through the section and chapter menus to get back to where they were. An ideal solution for this would be to setup a bookmark system, which I am considering. But if I remember correctly, when iPhone OS 4 was announced, they seemed to make a big deal of the added ability to save the state of an app. Does that mean that someone using my reader app would be able to just exit right out, do whatever, and then when they came back in, it would be the reading screen just as they left it? I don't know much about how to setup a bookmarking system, I suppose it would be worth investigating, but I would probably want to just hold off for iPhone OS 4 if that is indeed what it will be capable of doing. Any thoughts or insights would be appreciated!!

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• How to access data binding object in aspx page in ASP.NET?

  - by weilin8

  I am trying to hide or show a certain section of my table depending on the value of a property in my binding object(s). public class Class1 { public bool Display { get; set; } } In ASP.NET MVC, I can just do the following (assuming that Class1 is the model that binds to the page.) <table> <tr>Row 1</tr> <tr>Row 2</tr> <% if(Model.Display) { %> <tr>Row 3</tr> <tr>Row 4</tr> <% } %> </table> How can I achieve the same behavior in transitional ASP.NET? That "Model" variable is not available. How do I retrieve the data binding object? Thanks.

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• Reading Connection String from a class Library

  - by devnet247

  Hi all I have a .net class library 2.0 with an app.config with a connectionString section. I have 01 Method that this class library exposes " string GetConnectionString(string name) However even though the app.config in this class library has 3 connstrings it does not read this config.exe.How can I make it read the app.config that resides withing this dll? Again, Usually you will have a web or windows app with a config and it will all work. Mine is a special case I need to read the connectionstring within this class library. How can I do it? thanks a lot

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• Echo html+php from database

  - by pg-robban

  I am working on a site which deals with a lot of texts in HTML, so recently I learned PHP and moved them into a MySQL database and echo the contents given a specific chapter and section. Now this works relatively fine, the HTML shows up properly. However, in some parts I have included PHP function calls, and these doesn't seem to be evaluated - rather, they get just inserted into the source code (and thus invisible for the page viewer), never doing anything. They did work when they were simple .html files. How can I solve this? For example, a text can look like this: <?php printChapterName(); ?> <p>Some text</p> ... <?php showImage($name, $alt-text); ?> ... This just shows the text on the page. Edit: The functions are echo:ing some HTML.

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• Creating a form with floats, what is the general design when you need 2 columns, p and label?

  - by Blankman

  I want to design a form. The form has 3 sections: user info, shipping and billing. Each section will have 2 columns, so form fields and their labels with be on both the left and right side. What technique should I use? How does this look? <div id="forms"> <div id=contact> <div class=left> <p><label>Firstname<label><input type=text /></p> </div> <div class=right></div> </div> <div id=shipping></div> <div id=billing></div> </div> Any tricks with the css i should know about?

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• UITableView issue (iOS)

  - by Oktay

  I wonder why cellForRowAtIndexPath function is called when scrolling the UITableView. Does it mean on every scrolling cell configuration code runs again? I have a slowness problem when scrolling the table. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"CountryCell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } // Configure the cell... NSString *continent = [self tableView:tableView titleForHeaderInSection:indexPath.section]; NSString *country = [[self.countries valueForKey:continent] objectAtIndex:indexPath.row]; cell.textLabel.text = country; cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; return cell; }

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• How can I get rails to not render escaped quotes as \&quot;

  - by James

  In my layout I have <% @current_user.popups.each do |p| %> <% content_for :script do %> <%= "$(document).ready ( function() { $.jGrowl(\"#{p.message}\", { sticky: true }) });" %> <% end %> <% end %> And then in the script section I have <%= yield :script %> The problem is that this renders the escaped quotes as \&quot; and javascript doesn't like this. How can I stop this from happening? Or is there another approach to this? I can't use single quotes because I'd like to have some html in the message. I'd appreciate any help.

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• CASE + IF MysQL query

  - by terence6

  Problem is as follows. I have a product that can be in one of three categories (defined by category_id). Each category table has category_id field related to category_id in product table. So I have 3 cases. I'm checking If my product.category_id is in table one. If yes, I take some values. If not I check in tables that are left. What can I write In the ELSE section? Can anyone correct my query ? CASE WHEN IF EXISTS(SELECT * FROM table1 WHERE category_id='category_id') THEN SELECT type_id FROM table1 WHERE category_id='category_id'; WHEN IF EXISTS(SELECT * FROM table2 WHERE category_id='category_id') THEN SELECT value_id FROM table2 WHERE category_id='category_id'; WHEN IF EXISTS(SELECT * FROM table3 WHERE category_id='category_id') THEN SELECT group_id FROM table3 WHERE category_id='category_id'; ELSE "dont know what here"; END;

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• I want my footer to be like this one

  - by Jsmith

  http://developer.apple.com/iphone/library/navigation/index.html?section=Resource+Types&topic=Getting+Started Can I have some code ? This one appears to have a scroller to the right side of the screen and the footer gets sticky to the bottom. But i guess this is a bit different to most of the Sticky footers you're talking about in other threads. I'm going to need some good code to use, as I can't think alike other people and I learn from used code. Iwill be happy to help other people too ...

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• variable=@value@ in Makefiles

  - by user1447110

  I understand that @ suppresses printing of a command in a Makefile... http://www.gnu.org/software/make/manual/make.html#Echoing ... and I understand that $@ is the target name... http://www.gnu.org/software/make/manual/make.html#Automatic-Variables ... but I can't find any information on what a line like this might mean: variable=@value@ I'm not trying to fix anything here, just trying to better understand Makefiles. Update: The "Makefile Subsitutions" section of the GNU autoconf manual explains that it's a value that is substituted by autoconf.

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• Is there any way to validate the Open Graph protocol meta tags for Facebook integration?

  - by John

  Is there any way to validate the Facebook Open Graph protocol meta tags in the head section of my website? Code below. <meta property="og:title" content="my content" /> <meta property="og:type" content="company" /> <meta property="og:url" content="http://mycompany.com/" /> <meta property="og:image" content="http://mycompany.com/image.png" /> <meta property="og:site_name" content="my site name" /> <meta property="fb:admins" content="my_id" /> <meta property="og:description" content="my description" /> -edit- I mean validating the html. Sorry for the confusion! Right now my site isn't valid because of these tags.

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• css: top and bottom with flexible centre

  - by Haroldo

  is it possible with just css2 to have the following: 3 divs: <div id="wrap_centre"> <div class="top"></div> <div class="mid"></div> <div class="bot"></div> </div> all the content to be in the flexible div.mid section overlap the top and bottom parts not fussed about ie6 here's the photoshop with centre slice: as you can see the top and bottom parts are quite large and i need to overlap them from the middle slice...

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• Django: common template subsections

  - by Parand

  What's a good way to handle commonly occurring subsections of templates? For example, there is a sub-header section that's used across 4 different pages. The pages are different enough to not work well with template inheritance (ie. "extends" doesn't fit well). Is "include" the recommended method here? It feels a bit heavyweight, requiring each subsection or snippet to be in its own file. Are there any performance issues in using include or is it smart about forming template from the subsections (ie. if I make extensive use of it, do I pay any penalties)? I think what I'm looking for is something like template tags, but without the programming - a simple way to create a library of html template tags I can sprinkle in other templates.

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• UINavigationController shows blank view

  - by Adam8797

  I am making a simple navigation based application that drills down one level and show a new xib file each time. When I drill down one level my screen shows up blank. I still have the navigation controller at the top with a back button but my view dosent load. Here is my code - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { circle_area *subViewOneController = [[circle_area alloc] init]; UIViewController *tvc = subViewOneController; if (indexPath.row == 0 && indexPath.section == 0) { [[self navigationController] pushViewController:tvc animated:YES]; } } like I said this returns a blank screen.

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• CSS file not getting downloaded in Visual Studio 2008 SP?

  - by theraneman

  Hi guys, This might sound a little wierd, but all of a sudden the CSS and Javascript files referenced in my master page are not being downloaded while the page is being rendered. I am working on a ASP.NET MVC project and things were all fine like half an hour ago! Here is what I have in head section of the master page, <link href="/Content/MyCSS.css" rel="stylesheet" type="text/css" /> <script src="/Scripts/jquery-1.3.2.min.js" type="text/javascript"></script> I can see the CSS class intellisense while designing pages. But in the page source I do not see these files being added. I can see the css being applied in the VS designer. I have tried restarting VS, restarting my machine too. Anyone else faced this situation before. I might go crazy now.

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