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• How is destroying local variables when a block is exited normally called in C++?

  - by sharptooth

  C++ automagically calls destructors of all local variables in the block in reverse order regardless of whether the block is exited normally (control falls through) or an exception is thrown. Looks like the term stack unwinding only applies to the latter. How is the former process (the normal exit of the block) called in terms of destroying local variables?

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• Help in formulating sql query

  - by AJ

  Here is my scenario Table 1: GID || Info1 Table 2: GID || Tb1GID (refers to GID of Table1) || Info2 Table 3: GID || Info3 Table 4: GID || Tb2GID (refers to GID of Table2 || Tb3GID (refers to Table3 GID || Value Now I have to build an sql query to get the value, given a particular Info1, Info2, Info3. Essentially, I have to get the GID, of table 1 using info1, GID of table to , by mapping info2 and GID of table 1. And then get the GID of table 3 using info 3. And combine these to GIDs to get the value in table 4. What is the most optimal way of constructing an sql query for this one?

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• How to sort a data table if we are using <t:columns> in JSF?

  - by Hari

  Hi I am studying tomahawk, I just want to know if I generate a datatable using <t:columns> then how to sort the dataTable on the click on the header of that particular column, like we are using <t:commandSortHeader> in normal <t:column> attribute. Kindly Help.

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• Rails passing additional params in some tag helpers

  - by Filip

  Currently image_tag("file.jpg") produces normal image html tag, BUT src="file.jpg*?7485793246*" what the hell are those numbers anyway and how to disable them?

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• Fitting place names into map shapes

  - by Old Man

  I'm drawing shapes using GDI+ using a list of lat/lon floats, and I need to place the name of the place within the borders of the polygon. Simply centering the text in the bounding rectangle doesn't work for irregular shapes. I have the text and the font so I can get the size of the rectangle that the text will need to fit in, but at that point I'm stuck. This seems like a common problem that all mapping software solves, as well as the kind of thing you would find in an algorithm or computer graphics textbook. So, given a list of floats for a polygon and a rectangle, is there a way to get the best possible point to place the text, using: 1) GDI+; 2) SQL Server Geospatial; or 3) c# code (or c, pseudocode, etc)

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• Interesting or unique types encountered?

  - by user318904

  What is the most strange or unique type you have seen in a programming language? I was thinking the other day about a "random variable", ie whenever it is evaluated it yields a random value from some domain. It would require some runtime trickery. Also I bet there can be some interesting mapping of regular expressions into a type system. It does not necessarily have to be a built in or primitive type, but some random class that implements a domain specific type won't really be interesting just unique.

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• iPhone/iPad - issues with NavigationBar button ?

  - by user532445

  I my application i have added button in NavigationBar like this.. UIBarButtonItem *more=[[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"search-25by25.png"] style:UIBarButtonItemStylePlain target:self action:@selector(SelectMission:)]; self.navigationItem.rightBarButtonItem = more; When i am clicking on button application get's shutdown... If i am doing same thing with normal button it's working fine can any one help me why it's behaving like this?

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• What's the most simple way to retrieve all data from a table and save it back in .NET 3.5?

  - by zoman

  I have a number of tables containing some basic (business related) mapping data. What's the most simple way to load the data from those tables, then save the modified values back. (all data should be replaced in the tables) An ORM is out of question as I would like to avoid creating domain objects for each table. The actual editing of the data is not an issue. (it is exported into Excel where the data is edited, then the file is uploaded with the modified data) The technology is .NET 3.5 (ASP.NET MVC) and SQL Server 2005. Thanks.

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• Need To Force Windows Forms Appplication To Run At Startup

  - by ChloeRadshaw

  I have a WinForms application that I want to auto start on login - At the moment it is just a normal standalone 'exe' Does anyone know how to put this into the startup folder and whether that is reliable (to the extent it will get started)?

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• Routing fails when only category is supplied

  - by creativeincode

  My website uses categories and sub-categories. I'd like the follow mapping: /Category/Fruit /Category/Fruit/Apples But if I use the below: routes.MapRoute( "Category", // Route name "Category/{category}/{subcategory}", // URL with parameters new { controller = "Entity", action = "Category" } // Parameter defaults ); I get a 404 for /Category/Fruit however /Category/Fruit/Apples works ok. I'd like /Category/Fruit to work as well but I can't add another route with the same name. How do I get around this? Thanks in advance.

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• Confusion between JPA and Hibernate cascading

  - by Jay

  I'm using Hibernate 3.6 and have my code annotated (versus using hibernate mapping files). I ran into the known "problem" of using JPA cascading options that are not compatible with Hibernate's CascadeType (see this link for more info http://www.mkyong.com/hibernate/cascade-jpa-hibernate-annotation-common-mistake/). I was hoping to get a bit more clarification on the problem. I have some particular questions: 1) So @Cascade({CascadeType.SAVE_UPDATE}) works for saveOrUpdate(), but does it apply also if I use merge() or persist()? or do I have to use all three Hibernate CascadeTypes? 2) How do I decide whether to use JPA cascade options or the Hibernate @Cascade annotation instead? 2) There is a "bug" filed against this in Hibernate, but the developers apparently see this as a documentation issue, (I'm completely disagree with them), and I'm not seeing that it was addressed in said documentation. Anyone know why this is "working as designed" and not a bug in Hibernate's JPA implementation? Many thanks in advance.

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• how can I reset field after check it with php

  - by mjd

  Hi all, I have a html form that sends the data from 2 fields (memer no. , pw) via axaj (getElementById)to php file to check them with database info. . I did every thing well but I want to reset both fields if one of them is incorrect . How can I send reset order back to html form ? notice - I didn't use submit button just normal button to keep in same page. Thanks all

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• Is it possible to make the iPhone keyboard invisible / remove it without resigning first responder?

  - by Alex Gosselin

  I am looking for a way to show my own input view (a UITableView) to enter certain keywords in a UITextView faster than typing them, and also be able to type into this text view the normal way. My solution has a button that causes the keyboard to disappear, revealing the table view underneath it. Problem is I can't figure out how to make the keyboard go away without resigning first responder, and losing the cursor. Has anyone accomplished this before? Thanks for any help.

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• Converting java.util.List into a JavaFX sequence

  - by James

  What is the most concise way of converting a java.util.List into a normal JavaFX sequence (in JavaFX)? e.g. def myList = java.util.Arrays.asList(1, 2, 3); def mySequence = ... // a sequence containing [1, 2, 3]

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• In DirectShow, what determines the graph source?

  - by Seva Alekseyev

  Hi all, I have two machines - A (XP SP2) and B (Win7). Machine B has trouble playing OGM files - enabling subtitles causes a crash in the player. Investigation shows that the DirectShow graphs are quite different. On A, the source is a file source, which produces a stream of subtype OGG, which goes into "Ogg Splitter". On B, the source is an instance of Haali Media Splitter, which produces video, audio, and subtitles as separate streams. Machine A has Haali splitter installed as well, but it is not invoked somehow. Question - what determines the source filter? Is there a file type to preferred source mapping, or does the system load and ask all suitable filters if they would take this file? On machine A, the merit of Haali splitter is higher than that of File source, so it's probably not about relative merits.

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• How do I use a custom select statement in Hibernate using the HibernateDaoSupport class

  - by Bill Leeper

  I am trying to write a custom select statement in Hibernate using the getHibernateTemplate() method. I am having problems with the resulting mapping. Example Code: List<User> users = getHibernateTemplate().find("Select user, sysdate as latestPost from User as user"); for (User user : users) { assertNotNull(users.name); } The goal of the above line is to eventually have a join where I get the max(date) of posts made by the user. The problem I am having is that the resulting users list is not a list of User objects and I get a class cast exception. Hopefully that is enough code. It is a greatly simplified version of my problem and a combination of snippets from various parts of my application.

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• When using emacs do you rebind caps-lock to CTRL?

  - by Wayne Werner

  This question is, as indicated, for those who use Emacs. When you do, do you rebind the caps-lock key to CTRL, or do you use the "normal" ctrl key? I've recently learned some Emacs commands and was using the Visual Studio 2008 emacs commands for a while, and of course I used a caps-rebind tool, but I'm curious how many other people do. On a side note, the emacs bindings for VS are severely incomplete :(

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• memory size exceeded?

  - by asdas

  i have a form that submits data to a database, i have a function that looks like this: //connect foreach ($_POST as $key => $value) { $_POST[$key] = mysql_real_escape_string($value); } now when i post, SOMETIMES i get an error that says this: Allowed memory size of 268435456 bytes exhausted i figured out that when i do a linebreak, or press enter in the message field, then that is when it causes the error, otherwise it works normal. any ideas?

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• Project Implementation estimates with TDD

  - by panzerschreck

  Are there any guidelines when quoting estimates for projects/tasks involving TDD? For example, when compared to normal development of a task taking 1 day to complete, how much more should a TDD driven task take? 50% more time or 70% more time? Are there any statistics available, assuming the developer is well versed with the language and the test framework?

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• Serialize() not using .XmlSerializers.dll produced with Sgen

  - by MDE

  I have a sgen step in my .NET 3.5 library, producing a correct XYZ.XmlSerializers.dll in the output directory. Still having poor serialization performance, I discovered that .NET was still invoking a csc at runtime. Using process monitor, I saw that .NET was searching for a dll named "XYZ.XmlSerializers.-1378521009.dll". Why is there a '-1378521009' in the filename ? How to tell .NET to use the 'normal' DLL produced by sgen ?

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• Convert date in text format to datetime format in T-SQL

  - by Rob

  I have a client supplied file that is loaded in to our SQL Server database. This file contains text based date values i.e. (05102010) and I need to read them from a db column and convert them to a normal date time value = '2010-05-10 00:00:00.000' as part of a clean-up process. Any guidance would be greatly appreciated.

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• Private heap or manage memory self

  - by Max

  Hello all, I know we could take some advantages from creating private heap of Windows especially for frequently allocated and de-allocated small chunks. But I think the normal approach is to allocate a large memory from default heap and manage the allocations and de-allocations ourselves. My question is which way is advantages and disadvantage between those two ways? Thanks, Max

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• javascript validation on tiny mce text editor

  - by Testadmin

  Hai I want to validate (empty check) a tiny mce text editor using JavaScript. Does any one know this? I have used the normal empty check function. But it's not working. Does any one help me? also I want to know how validate empty check in FCk editor.

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• Filtering app server console output in Eclipse to not include long stack traces and just show me the

  - by reckoner

  I am using JBoss 4.2. Long stack traces are useless to me most of the time. Is there a way to only show the error message? Can stack traces be disabled or trimmed for normal java programs also?

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• GWT. Exclude shared domain objects to separate Maven module

  - by MyTitle

  I have some Domain classes such as Student, User etc which are used on server and client (gwt) sides. Can I exclude this domain classes to separate maven-module, so I can add this module as dependency to other maven-modules (i.e. add this module as dependency to maven-module which contains gwt related stuff, so this domain classes will be generated to JavaScript, and add this module as dependency to "normal" (not gwt) Java maven-modules, so this domain classes won’t be generated to JavaScript)?

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