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• How to branch with TortoiseHG

  - by Michael Tiller

  I downloaded TortoiseHg 1.0 for evaluation. For the life of me I can't figure out how to make a branch. It seems to understand branches (e.g. in its repository browser) but I just can't seem to find a way to make a branch. This seems like such a fundamental capability since out of the often touted benefits of DVC is the lightweight branching. I Googled around and couldn't find much discussion of this topic (at least for recent versions) so I have to assume I'm missing something, right?

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• Another answer to the CAPTCHA problem?

  - by Xeoncross

  Most sites at least employ server access log checking and banning along with some kind of bot prevention measure like a CAPTCHA (those messed-up text images). The problem with CAPTCHAs is that they poss a threat to the user experience. Luckily they now come with user friendly features like refresh and audio versions. Anyway, like linux vs windows, it isn't worth the time of a spammer to customize and/or build a script to handle a custom CAPTCHA example that only pertains to one site. Therefore, I was wondering if there might be better ways to handle the whole CAPTCHA thing. In A Better CAPTCHA Peter Bromberg mentions that one way would be to convert the image to HTML and display it embedded in the page. On http://shiflett.org/ Chris simply asks users to type his name into an input. Examples like this are ways to simplifying the CAPTCHA experience while decreasing the value for spammers. Does anyone know of more good examples I could use or see any problem with the embedded image idea?

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• In search of a packaged .Net security solution for web-forms.

  - by Chuck Conway

  We are looking for a security solution for asp.net that has security down to the control level. This is not a necessity but, it would be nice. At the very least it needs to extend-able to allow for control level permissions. The solution should have an administration panel of some sort. It also needs to support roles, groups, and individual permissions. We haven't seen anything like this in the marketplace -- we are in the process of rolling our own solution. We'd rather use an off the shelf solution.

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• "Socket operation on non-socket" error due to strange syntax

  - by Robert S. Barnes

  I ran across the error Socket operation on non-socket in some of my networking code when calling connect and spent a lot of time trying to figure out what was causing it. I finally figured out that the following line of code was causing the problem: if ((sockfd = socket( ai->ai_family, ai->ai_socktype, ai->ai_protocol) < 0)) { See the problem? Here's what the line should look like: if ((sockfd = socket( ai->ai_family, ai->ai_socktype, ai->ai_protocol)) < 0) { What I don't understand is why the first, incorrect line doesn't produce a warning. To put it another way, shouldn't the general form: if ( foo = bar() < baz ) do_something(); look odd to the compiler, especially running with g++ -Wall -Wextra? If not, shouldn't it at least show up as "bad style" to cppcheck, which I'm also running as part of my compile?

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• My site's error log is filled with the errors related to ScriptResource.axd

  - by user367305

  My Site's error log is filled with these errors:- This is an invalid script resource request. Invalid viewstate. Invalid character in a Base-64 string. Invalid length for a Base-64 char array. All these errors are appearing at least 100 times a day. After doing some RnD on internet i have done following things:- 1- define machine key in my web config. 2- created robots.txt file and add ScriptResource.axd file in that. Can some one guide me what I am missing or doing wrong.

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• How to display only taxonomy terms with nodes associated to in Views 2?

  - by Leandro Ardissone

  Hi, I've created a view with a set filters exposed (to show filtering options in the page). And one of those filters is a select field with all the taxonomy terms of a vocabulary. That's ok, it's showing now. But I want to only show the taxonomy terms that have at least one node associated to it. To avoid empty results if selects an empty term. Anyone knows how to do that? Thanks.

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• PHP photo gallery with multiple upload form

  - by NightMICU

  Hi everyone, I am trying to develop a PHP driven gallery with a form that has at least four file upload boxes, each with its own title and caption. I have been using php.upload.class to process uploaded photos but not sure how I would go about handling each individual upload while preserving its details (title, caption). Is there a practical way to do this or should I instead upload just the photos and then have the user add titles and captions on the next page? Any help/suggestion would be greatly appreciated. Thanks!

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• What would you like to see in an beginner's ASP.NET security book

  - by blowdart

  This is a shameless information gathering exercise for my own book. One of the talks I give in the community is an introduction to web site vulnerabilities. Usually during the talk I can see at least two members of the audience go very pale; and this is basic stuff, Cross Site Scripting, SQL Injection, Information Leakage, Cross Site Form Requests and so on. So, if you can think back to being one, as a beginning web developer (be it ASP.NET or not) what do you feel would be useful information about web security and how to develop securely? I will already be covering the OWASP Top Ten (And yes this means stackoverflow will be in the acknowledgements list if someone comes up with something I haven't thought of yet!) It's all done now, and published, thank you all for your responses

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• OCR Web Service

  - by sdfx

  I am searching for an OCR web service (eventually open source, preferably free) that simply receives an image and returns the text of the image in writing. I've looked at tesseract, OCRopus and GOCR but the only open server I could find is WeOCR. Unfortunately the detection rates (at least during my tests) are sub-par and the speed is not much better. Does anyone have any experience with OCR web services? I guess the license of tesseract allows the operation of such a service, are there any out there?

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• Write directly to a remote Git repository, without adding objects to a local index/repo?

  - by Ryan B. Lynch

  Does Git support any commands that would allow me to commit directly from a local/working tree into a remote repository? The normal workflow requires a "git add", at least, to populate the object database with copies of the file contents, etc. I understand that this is NOT the normal, expected Git workflow. But I noticed that Git already supports downloading directly from the repository, with no local repo ("git archive"), so it seems reasonable that there might be a similar uploading operation. Alternatively, if there isn't such a command in the core Git itself, does any 3rd-party software support direct remote writes?

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• How do I determine the revision number of an Android build?

  - by hermo

  I know how to get the API level, android.os.Build.VERSION.SDK_INT, but there are also several revisions of each level release, e.g. for 2.1 there's rev 1 and 2. How do I determine the revision of a build? The reason i'd like to know this is that I have a workaround for a bug in Android 2.1 (and 2.2), and this workaround will break the moment the corresponding bug is fixed. So right now i'm in the odd position of hoping that the bug won't be fixed (at least not until I can find an answer to above question).

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• jQuery Validate - can I re-validate a group of fields after changing one?

  - by Nathan Long

  I'm using jQuery Validate and would like to re-validate a group of fields whenever one of them is changed (or possibly, whenever one of them validates successfully). My attempts so far just create infinite loops. Is this possible, or does the plugin design preclude it? (Specifically, I've got a method that requires at least X of group Y to be filled out, and as soon as that's true, I'd like all those fields to re-validate. Currently I'm clearing out their error messages with my own code, but that's a hack - it also hides unrelated validation problems until the form is re-submitted.)

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• Can managed and unmanaged C++/MFC be mixed in one dll?

  - by Walter Williams

  Previously we had software in MFC (VC6), VB6 and C# applications that needed to call the same engine written in C++ (and MFC). The engine required C++ for speed. At the time we decided to use COM as the interface because all three could use it with the least issues in marshalling, etc. Our MFC application is now deprecated and we have recently decided to dump VB6, so what we've got left is C#. We can just leave the COM engine as-is, but it would be nice to get away from COM registration, etc., and have a managed interface to work with. COM registration occasionally causes support issues if there is something wrong with the person's machine. Is it possible to have a dll with the existing unmanaged C++/MFC, and a .NET front end interface?

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• Create, Delete and Use e-mail accounts within a website! Is it possible?

  - by BitDrink

  Hello! I'm developing an administration panel (in php), for a website (in a shared host), to let the administrator to manage the personal infos of the employees! With this panel should be possible to create or delete an e-mail account for an employee and if the employee logs in the admin panel, he/she should be able to access to his/her e-mail account! I had thought to install Horde WebMail on the website to let the employees use their e-mail accounts ... but how can I pass the login credentials to Horde? And what you suggest to create and delete the e-mails account that can be read by Horde? Any other suggestion is greatly appreciated! Thanks in advance!!! EDIT: Or are there better alternatives to Horde to accomplish, at least, the e-mail account access from within the web site?

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• how random is Math.random() in java across different jvms or different machines

  - by user881480

  I have a large distributed program across many different physical servers, each program spawns many threads, each thread use Math.random() in its operations to draw a piece from many common resource pools. The goal is to utilize the pools evenly across all operations. Sometimes, it doesn't appear so random by looking at a snapshot on a resource pool to see which pieces it's getting at that instant (it might actually be, but it's hard to measure and find out for sure). Is there something that's better than Math.random() and performs just as good (not much worse at least)?

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• Question regarding built-in type variable is returned from a function

  - by Chan

  Hello, If a local object is returned in a function call, it has to do at least three steps: 1. Copy constructor is called to hold a copy. 2. Destroy local object. 3. A copy is return. For example: x = y + z If x is an integer object. A copy of y + z should be returned, then a new object is created, then assignment operator of x will take this object as parameter. So my question is: Is the same process used for built-in type such as int, double...? If they're not the same, how's it done? Thanks, Chan

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• ORM solutions (JPA; Hibernate) vs. JDBC

  - by Grasper

  I need to be able to insert/update objects at a consistent rate of at least 8000 objects every 5 seconds in an in-memory HSQL database. I have done some comparison performance testing between Spring/Hibernate/JPA and pure JDBC. I have found a significant difference in performance using HSQL.. With Spring/Hib/JPA, I can insert 3000-4000 of my 1.5 KB objects (with a One-Many and a Many-Many relationship) in 5 seconds, while with direct JDBC calls I can insert 10,000-12,000 of those same objects. I cannot figure out why there is such a huge discrepancy. I have tweaked the Spring/Hib/JPA settings a lot trying to get close in performance without luck. I want to use Spring/Hib/JPA for future purposes, expandability, and because the foreign key relationships (one-many and many-many) are difficult to maintain by hand; but the performance requirements seem to point towards using pure JDBC. Any ideas of why there would be such a huge discrepancy?

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• Can you decode a mutable Bitmap from an InputStream?

  - by Daniel Lew

  Right now I've got an Android application that: Downloads an image. Does some pre-processing to that image. Displays the image. The dilemma is that I would like this process to use less memory, so that I can afford to download a higher-resolution image. However, when I download the image now, I use BitmapFactory.decodeStream(), which has the unfortunate side effect of returning an immutable Bitmap. As a result, I'm having to create a copy of the Bitmap before I can start operating on it, which means I have to have 2x the size of the Bitmap's memory allocated (at least for a brief period of time; once the copy is complete I can recycle the original). Is there a way to decode an InputStream into a mutable Bitmap?

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• ASP.Net partially ignoring my Custom error section in web.config

  - by weevie

  Here's my web.config customErrors section (you'll notice I've switched the mode to 'On' so I can see the redirect on my localhost): <customErrors defaultRedirect="~/Application/ServerError.aspx" mode="On" redirectMode="ResponseRewrite"> <error statusCode="403" redirect="~/Secure/AccessDenied.aspx" /> </customErrors> and here's the code that throws: Catch adEx As AccessDeniedException Throw New HttpException(DirectCast(HttpStatusCode.Forbidden, Integer), adEx.Message) End Try and here's what I end up with: Which is not my pretty AccessDenied.aspx page but it is a forbidden error page so at least I know my throw is working. I've removed the entry for 403 in IIS (7.0) as a desperate last attempt and unsuprisingly that made no difference. I've run out of ideas now so any suggestions will be gratefully appreciated!

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• Synchronising local and remote DB

  - by nico

  Hi everyone, I have a general question about DB synchronisation. So, I'm developing a website locally (PHP + MySQL) and I would like to be able to synchronise at least the structure (and maybe the contents) of the two DB when one of the two is changed (normally I would change the local copy). Right now what I'm doing is to use mysqldump to dump the modified tables and then import them in the remote DB or do it by hand if the changes are minimal. However I find this tedious and error-prone. For the PHP I'm currently using Quanta+ which has the handy feature of finding files that have changed and just upload those. Is there something similar for MySQL? Otherwise how do you keep your DBs synchronised? Thanks nico PS: I'm sorry if this was already asked, I saw other questions that deal with similar topics, but couldn't really find an answer.

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• flex/actionscript client entity state refresh on JPA update using Pimento EntityManager

  - by Chris

  My Flex application uses a client-side pimento EntityManager which fetches quite a few objects and associations. It does this by forcing eager fetching of particular association ends in the form of fetch plans. I would like to update the client whenever a change has been made to an entity existing in the EntityManager's cache. Is it possible to update the state of the changed entity ONLY, including updating which entities are associated, without resetting the state of these associated entities? I have setup an EntityListener with a JPA post-update method that notifies clients when a persisted entity has been updated. I want this to trigger a refresh for the modified client-side entity, but calling EntityManager.refresh(entity) resets all lazy associations to proxies. Initializing these proxies resets the associated entities, even if they were loaded previously. I'm looking for an efficient way to keep the client's state in synch with the server's state, at least with respect to the entities that have already been retrieved by the initial load.

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• SVN Path Based Authorization: Granting listing access but not read access

  - by Jim

  Hello, We're using path-based-authorization module for Apache SVN. It all works fine, except that when users try to check out code they have access to, their SVN clients get confused if they don't have at least read access to the parent directories - all the way up to root. It works, but some clients just get confused sometimes. Because SVN path-based-authorization is recursively applied, we don't want to give all users read access to root, because that would give them access to all source code in the repository. It would, however, be acceptable if users could get directory listings (just not actual lines of code) for the entire repository. This would prevent the svn clients from getting confused. Does any one know how to grant permissions to get directory listings without granting permissions to the actual contents of the files? Thanks!

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• Linux / C++: Get the IP Address of local computer

  - by BlaM

  This Question is almost the same as the previously asked Get the IP Address of local computer-Question. However I need to find the IP address(es) of a Linux Machine. So: How do I - programmatically in C++ - detect the IP addresses of the linux server my application is running on. The servers will have at least two IP addresses and I need a specific one (the one in a given network (the public one)). I'm sure there is a simple function to do that - but where? [EDIT] To make things a bit clearer: The server will obviously have the "localhost": 127.0.0.1 The server will have an internal (management) IP address: 172.16.x.x The server will have an external (public) IP address: 80.190.x.x I need to find the external IP address to bind my application to it. Obviously I can also bind to INADDR_ANY (and actually that's what I do at the moment). I would prefer to detect the public address, though.

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• What's the official Microsoft way to track counts of dynamic controls to be reconstructed upon Postback?

  - by John K

  When creating dynamic controls based on a data source of arbitrary and changing size, what is the official way to track exactly how many controls need to be rebuilt into the page's control collection after a Postback operation (i.e. on the server side during the ASP.NET page event lifecycle) specifically the point at which dynamic controls are supposed to be rebuilt? Where is the arity stored for retrieval and reconstruction usage? By "official" I mean the Microsoft way of doing it. There exist hacks like Session storage, etc but I want to know the bonafide or at least Microsoft-recommended way. I've been unable to find a documentation page stating this information. Usually code samples work with a set of dynamic controls of known numbers. It's as if doing otherwise would be tougher. Update: I'm not inquiring about user controls or static expression of declarative controls, but instead about dynamically injecting controls completely from code-behind, whether they be mine, 3rd-party or built-in ASP.NET controls.

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• CakePHP 1.3 Plugin Shortcut Route

  - by Cake Baker

  Hi, I searched a lot around the web but I couldn't find any specific sollution to this. In CakePHP 1.3, different from 1.2, if you had a controller inside a plugin, and both had the same name, you could access through "<plugin>/<action>", and it would call the 'default' controller. But in 1.3, according to this: http://cakeqs.org/eng/questions/view/setting_up_magic_routes_for_plugins_in_cakephp_1_3 It was removed, and only the 'index' action in the default plugin controller can be accessed this way. I thought about adding extra code in my routes.php file, and loop through all the plugins in my app, making such routes for every action in the controllers named after the plugin, but it doesn't seem like it's the right thing to do... any other suggestions to make this work in 1.3? or at least some very specific code documentation of this particular change? I've already read something in the 1.3.0-RC4 annoucement, but it was not clear enough.. thanks

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