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• Is there a way to put Setter elements inside EventTrigger?

  - by Dennis Delimarsky

  Working on a WPF application, I started working on a custom ControlTemplate. I reached the point where I need to change some control properties when an event occurs. For this purpose, there are Setter elements. Seems all good, but I cannot use them inside EventTrigger elements. For example, if a simple Trigger, that can be bound to control properties, is used then Setter elements can be used inside. However, I do not want to bind to a property change but rather to an event. Is there a way to do this in pure XAML or will I have to work in the code-behind?

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• get static initialization block to run in a java without loading the class

  - by TP

  I have a few classes as shown here public class TrueFalseQuestion implements Question{ static{ QuestionFactory.registerType("TrueFalse", "Question"); } public TrueFalseQuestion(){} } ... public class QuestionFactory { static final HashMap<String, String > map = new HashMap<String,String>(); public static void registerType(String questionName, String ques ) { map.put(questionName, ques); } } public class FactoryTester { public static void main(String[] args) { System.out.println(QuestionFactory.map.size()); // This prints 0. I want it to print 1 } } How can I change TrueFalseQuestion Type so that the static method is always run so that I get 1 instead of 0 when I run my main method? I do not want any change in the main method. I am actually trying to implement the factory patterns where the subclasses register with the factory but i have simplified the code for this question.

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• Subversion has --record-only for merges, how do I do the same in Git ?

  - by Paul Hammant

  I have a repo where 'master' is going in a certain direction, and a second branch 'foo' is going to be divergent for a couple of commits, then track all subsequent changes to 'master' after that. This is all by choice of course. In Subversion you could do a --record-only merge to mark things as "merge has happened" even though no actual changes were committed. i.e. this change the merge-tracking numbers in properties attached to directories in the target branch. I have had a play with.. git merge --no-commit master .. as something I may be able to tinker with before I do the commit, but it is making a hell of a mess of the target branch for part of the change in question (rename followed by delete). There must be an easier way.. ? Paul

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• Help Auditing in Oracle

  - by enrique

  Hello everybody I need some help in auditing in Oracle. We have a database with many tables and we want to be able to audit every change made to any table in any field. So the things we want to have in this audit are: user who modified time of change occurred old value and new value so we started creating the trigger which was supposed to perform the audit for any table but then had issues... As I mentioned before we have so many tables and we cannot go creating a trigger per each table. So the idea is creating a master trigger that can behaves dynamically for any table that fires the trigger. I was trying to do it but no lucky at all....it seems that Oracle restricts the trigger environment just for a table which is declared by code and not dynamically like we want to do. Do you have any idea on how to do this or any other advice for solving this issue? thanks in advance.

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• noindex, follow on list views?

  - by Fabrizio

  On one of our client's website we have lot's of list views with links to detail views. (Image a blog with the posts overview and the single pages). The detail views don't change, but the list views will change when new items come up. The pages displaying the list view don't contain any other valuable content. So my question is: Does it make sense to define meta "noindex, follow" on the list view pages (and of course "index, follow" on the detail views) to prevent search engines to point to the list views when the keyword is found in the title or teaser of the list view. By the time the visitor clicks on the list view search result it might have changed and the content is not visible anymore, whereas if he goes directly to the single view he will definitly find what he was searching for? Related question: The startpage also contains mainly a list view. Is it a bad idea to have the start page not indexed? Any SEO gurus here? :) Thanks, Fabrizio.

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• Install APK on ICS through Eclipse

  - by roboguy12

  I rooted my Incredible and flashed an ICS rom, and I can't seem to install an app through Eclipse for testing (or by manually pushing it through adb). I know I have to change the permissions of /data/local to write and execute others in order to allow APKs to be installed, but when I adb shell into my phone and call chmod o=wx /data/local I get a message saying Bad mode. What does this mean and how do I fix it? Thanks! EDIT: According to this question I need to change the permissions of /data/local in order for this to work; I'm receiving the same errors as the OP of that question.

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• UISearchDisplayController's full-screen background intercepts touch events in iOS 7

  - by tba

  I have a UITableview that doesn't take up the whole screen (screenshot). Everything worked fine in iOS 6. But in iOS 7, when the user searches, the search result table takes up the whole view (screenshot). To fix this, I tried setting the frame manually as described in this answer. The appearance is now correct (screenshot), but now the "<" button in the top left doesn't receive tap events when the search results table is displayed. It seems the searchResultsTableView is adding a full-screen background view that is intercepting touch events. To prove this, I added this code to didShowSearchResultsTableView: controller.searchResultsTableView.superview.backgroundColor = [UIColor blueColor];` This screenshot confirms my hypothesis. How can I fix this to allow the "<" button to receive tap events? I want to avoid modifying controller.searchResultsTableView.superview so that my change doesn't break in future versions of iOS. And what change in iOS 7 caused this behavior to start happening?

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• Simple bad merge scenario in mercurial

  - by user281180

  I have created a repository AAA and another BBB. In AAA I have created a file A with the values a1, a2, a3 and commit In BBB I have created a file B with the values b1, b2, b3, commit and export a bundle. I add the bundle in AAA and merge. I make a change in B, and write b33 in AAA and another change in B and write b23 in BBB. and commit both. I create bundle of BBB and add the bundle in AAA. I do a merge. Now I decide to revert to the revert to step 2. I no more want to have the merge of 4. changes done in B as they were bad merges. Now I want to add the bundle of 3 but I can see that it can`t see any changes anymore. Why? How can I do the merge once more?

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• What's the smartest way to organize SVN for translated versions of the same project?

  - by brandonjp

  I apologize because I know this has been covered over and over again, but I'm trying to understand the smartest way to cleverly use subversion to our benefit. (*Note: I know our method is not the BEST way to handle localized versions, but external factors are forcing us to work this way on current projects) We have a fairly static website in English...html, css, js, etc. After the site comes back from the translator we will have 5 variations of the same code (this week...then potentially 25 more in the future!). So we'll soon have a folder for EN, FR, SP, DE, etc. Most files (css, js, img) will remain exactly the same; and html files (structure, id's, classes) will only vary based on the localized text inside the elements. Is there any way to use clever SVN folder structuring that would help us out in the event that if a small change is needed, we don't have to manually change the files in each and every translated version of the site? Thanks! --bp

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• How do people handle working with Code Names for their projects?

  - by Mark

  Hi All, Recently we started using some code names for several different types of prototype applications all following a theme. This made things a little more fun and was a great idea. The problem is that Im not too sure how people deal with migrating a codebase from "codename" state into version 1.0 state which may have a proper name... not something that a client really shouldnt see :) We are using Visual Studio at the moment, and I can see that you can change the assembly name, but there are references to the namespaces, etc... that would really be a large change to make. Do people both changing things like namespaces before the v1.0 release?

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• C# property definition

  - by Sunny

  For C# properties, I can do this: public class Employee{ public string Name { get; private set; } public Employee(string name){ Name = name; } } which means that the Name property can be set within the class Employee & can be read publicly. But, if I want to restrict the set to only within the constructors of the Employee class, I need to do: public class Employee{ public readonly string Name = String.Empty; public Employee(string name){ Name = name; } } But, for this case, I had to change the property to a field. Is there any reason this is not possible/allowed in C#: public class Employee{ public string Name { get; private readonly set; } public Employee(string name){ Name = name; } } IMO this will allow us to have properties which can be set only in the constructor & does not require us to change properties to fields... Thanks!

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• Why does having a transitional doctype, cause my javascript to fail in WebKit and Opera Browsers

  - by morgenmuffel

  Hi all I am trying to get a mouseover script to work, when there is no doctype set the script works fine in all browsers I test, but the site looks like a dogs breakfast However When i set the doctype to transitional (it has to be this doctype) Firefox and IE8 (&compat mode) work fine But Opera and the webkit browsers can only display the popup above the page fold, so if you scroll down the page and go over an image the popup appears above the visible page. And I can't figure out why, there are a couple of instances of document.all in the code, but my attempts to replace these have broken the code, besides the fact it works in Firefox and not Opera makes me think that document.all is not the issue Any help would be appreciated, even just telling me why a doctype would effect Javascript would be a help. Here is the site without a doctype As I can't post 2 links, being a new user and all, follow the link above and change and change the url from noodle3 to noodle to see the site with a doctype

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• Django: Overriding ModelAdmin save_model not working

  - by tufelkinder

  Even after obj.save(), the obj still does not have an id, so I cannot access or manipulate the m2m records. Just keep getting a "instance needs to have a primary key value before a many-to-many relationship can be used" error. def save_model(self, request, obj, form, change): obj.save() # this doesn't work super(Table2Admin, self).save_model(request, obj, form, change) # still doesn't save for tb1 in obj.table1.all: tb1_obj = ThroughTable.objects.get(table1=bk, table2=obj) # do other stuff What am I doing wrong? Why do I need to do to save this model?

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• CakePHP 'Cake is NOT able to connect to the database'

  - by kand

  I've looked at this post about a similar issue: CakePHP: Can't access MySQL database and I've tried everything they mentioned in there including: Changing my database.php so that the 'port' attribute for both $default and $test are the location of my mysqld.sock file Changing the 'port' attribute to the actual integer that represents the port in my my.cnf mysql config Changing the mysql socket locations in php.ini to the location of my mysqld.sock file I'm using ubuntu 11.04, apache 2.2.17, mysql 5.1.54, and CakePHP 1.3.10. My install of mysql and apache don't seem to match any conventions, as in, all the config files are there, they are all just in really weird places--I'm not sure why that is, but I've tried reinstalling both programs multiple times with the same results... At any rate, I can log into mysql from the terminal and use it normally, and apache is working because I can see the CakePHP default homepage. I just can't get it to change the message 'Cake is NOT able to connect to the database'. SOLVED: Figured it out, had to change php.ini so that extension_dir pointed to the correct directory and had to add a line extension=mysql.so.

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• How to get generate WSDL using GroovyWS

  - by James Black

  I am implementing SOAP web services for a commercial application, and I am using GroovyWS to speed up the development. But, when I deploy it on Tomcat, I am not using Grails, as the software has it's own J2EE framework, so how I do I get it to react to wsdl requests? Do I need to write a groovy-based servlet? Ideally I would like the WSDL generated upon request, so I can easily change the interface and see the change. It seems I will miss the annotations that JAX-WS provides for, though, to help fine-tune the WSDL.

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• does mysql stored procedures support data types like array, hash,etc?

  - by Yang

  i am creating a mysql function which takes in a varchar and change it to a int based on a mapping table. select name, convert_to_code(country) from users where sex = 'male' here, the convert_to_code() function takes in a country name (e.g. Japan, Finland..) and change it to country code which is an integer (e.g. 1001, 2310..) based on a mapping table called country_maping like below: country_name (varchar) | country_code (int) Japan | 1001 Finland | 2310 Canada | 8756 currently, the stored function need to select country_code from country_mapping where country_name = country_name and return the query result. is that possible to create a hash data struct in SP to optimize the process so that it will not need to perform the query for each row matches the where clause. thanks in advance!

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• What does these FindBug messages show?

  - by Hans Klock

  Not every description from from http://findbugs.sourceforge.net/bugDescriptions.html is clear to me. Sure, I can study the implementation but if somebody is more experienced then me, some explanation and examples would be great. Do you have some examples for UI_INHERITANCE_UNSAFE_GETRESOURCE when this is getting a problem? In BX_UNBOXED_AND_COERCED_FOR_TERNARY_OPERATOR I don't see the problem either. If one type is "bigger" then the other, for example int and float, then the result is float. If its Integer and Float its the wrapper Float too. That's what I expect. Does the GC_UNRELATED_TYPES really help to find errors? Isn't it the job of the compiler to check, if--taking the given example--Foo can't go into a Collection<String>. Does HE_SIGNATURE_DECLARES_HASHING_OF_UNHASHABLE_CLASS mean something like bla(Foo f){hashtable.put(f);}, where ´Foo´ is not hashable? Does FingBugs "see" the subclasses too? NP_GUARANTEED_DEREF_ON_EXCEPTION_PATH is stronger "wrong" then NP_ALWAYS_NULL_EXCEPTION? Why two error cases and with NP_NULL_ON_SOME_PATH_EXCEPTION even one more? Sounds very similar to me. What is an example of SIO_SUPERFLUOUS_INSTANCEOF? Something like foo(String s){if (s intenceof String) .... This does a null check too, but this is not the test here... NN_NAKED_NOTIFY. I my opinion the description is not clear. A change of the state is not necessary. If I use new Object() to wait and notify on I don't change the object state. Or is state the lock-state? I don't get it. SP_SPIN_ON_FIELD. Can this really happen that a compiler will move this outside from a loop? This doesn't make sense to me because from outside a Thread can always change the values. And if the variable is volatile the JVM can't cache the value. So what's the meaning? That is the difference between STCAL_STATIC_CALENDAR_INSTANCE and STCAL_INVOKE_ON_STATIC_CALENDAR_INSTANCE or STCAL_INVOKE_ON_STATIC_DATE_FORMAT_INSTANCE/STCAL_STATIC_SIMPLE_DATE_FORMAT_INSTANCE? Why is XXXX.class in WL_USING_GETCLASS_RATHER_THAN_CLASS_LITERAL better then getClass()? A getClass() in a superclass called from the subclass will always return the Class object from the subclass which is good I think. What exactly does EQ_UNUSUAL do? It should check that the argument is of the same type of the class itself but it does't? Did you ever had problems with breaks? Is there real value with SF_SWITCH_FALLTHROUGH? Sounds to strong for me. No idea what TQ_EXPLICIT_UNKNOWN_SOURCE_VALUE_REACHES_ALWAYS_SINK and TQ_EXPLICIT_UNKNOWN_SOURCE_VALUE_REACHES_NEVER_SINK could be.

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• WCF Business logic handling

  - by Raj

  I have a WCF service that supports about 10 contracts, we have been supporting a client with all the business rules specific to this client now we have another client who will be using the exact same contracts (so we cannot change that) they will be calling the service exactly the same way the previous client called now the only way we can differentiate between the two clients is by one of the input parameters. Based on this input parameter we have to use a slightly different business logic – the logic for both the Client will be same 50% of the time the remainder will have different logic (across Business / DAL layers) . I don’t want to use if else statement in each of contract implementation to differentiate and reroute the logic also what if another client comes in. Is there a clean way of handling a situation like this. I am using framework 3.5. Like I said I cannot change any of the contracts (service / data contract ) or the current service calling infrastructure for the new client. Thanks

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• C# define string format of double/floats to be US english by default

  - by neil

  Hi, I have got several thousands of lines of a web application source code, initially written on a US development system, to maintain. It makes heavy use of SQL statement strings, which are combined on the fly, e.g. string SQL = "select * from table where double_value = " + Math.Round(double_value, 2); Don't comment on bad programming style, that doesn't help me in this case :) The cruix: My system uses a German locale, which in turn leads to wrong SQL statements, like this: "select * from table where double_value = 15,5" (Note the comma as decimal separator instead of a point). Question: What is the most "elegant" way to change the locale of the web app in this case) to US or UK in order to prevent being forced to change and inspect every single line of code? .net 3.5 is not an option (would give me the chance to overwrite ToString() in an extension class) Kind regards

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• MySQL storing negative and positive decimals

  - by Shishant

  Hello, I want to be able to store -11.99 and +11.99 kind of values in mysql db I am thinking of decimals instead of varchar. But reading mysql site I found out that its incompatible with older versions of mysql As a result of the change from string to numeric format for DECIMAL storage, DECIMAL columns no longer store a leading + or - character or leading 0 digits. Before MySQL 5.0.3, if you inserted +0003.1 into a DECIMAL(5,1) column, it was stored as +0003.1. As of MySQL 5.0.3, it is stored as 3.1. For negative numbers, a literal - character is no longer stored. Applications that rely on the older behavior must be modified to account for this change. So what should be the data type, If I have to give up varchar and make it compatible with older versions too?

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• nth-child doesn't respond to class

  - by Arne Stephensson

  Is it possible to get the nth-child pseudo-selector to work with a specific class? See this example: http://jsfiddle.net/fZGvH/ I want to have the second DIV.red turn red, but it doesn't apply the color as expected. Not only that, but when you specify this, it changes the 5th DIV to red: div.red:nth-child(6) When you specify this, it changes the 8th DIV to red: div.red:nth-child(9) It seems to be one DIV behind. There are only 8 DIV tags in the example so I don't know why nth-child(9) even works. Testing using Firefox 3.6, but in my actual production code the same problem occurs in Chrome. I'm not understanding something about how this is supposed to work, would appreciate clarification. Also, this will change the 6th DIV to red, but what I actually want is for it to change the second DIV.red to red: div.red:nth-of-type(6) And I don't understand why nth-child() and nth-of-type() respond differently, since there are only eight tags of the same type in the document.

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• Redirect www.example.com/apple to food.example.com/fruits/apple

  - by Senthil

  I want to redirect users from www.example.com/apple to http://food.example.com/fruits/apple Note: This is a hardcoded redirection. Even a mapping if you will. "apple" will not be substituted with anything else. Nothing in the two URLs will change except for the domain of course. So there is no need for a regular expression to match the "apple" or anything else. There is already dozens of RewriteCond and RewriteRule things in the .htaccess file. I do not want them to be affected. This redirection is independent of those. I have access to the .htaccess file at the root of www.example.com and the httpd.conf What code should I put in .htaccess in order to achieve this? Or should I change the httpd.conf?

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• atlbase.h not found when using Visual C++ Express 2010

  - by hcwang

  So I tried moving my project to Visual C++ Express 2010 on Windows 7 from a previous version on Windows XP. I got all sorts of errors where atlbase.h was not found. This isn't so much a question but I wanted to document what my resolution was for others. Copied the following PlatformSDK files from my previous install and put them on my Windows 7 machine. PlatformSDK/include/atl PlatformSDK/include/mfc PlatformSDK/lib PlatformSDK/src/atl I then change the VC++ Directories in the project Properties to point to those directories. Include Directories- *include/atl *include/mfc Library Directories- *lib Source Directories- *src/atl Make a change to stdafx.h right after this line: #include "atlbase.h" add this line: extern CComModule _Module; Hopefully you're ready to go now! Probably not but perhaps you are well on your way.

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• PL/SQL Package invalidated

  - by FrustratedWithFormsDesigner

  I have a script that makes use of a package (PKG_MY_PACKAGE). I will change some of the fields in a query in that package and then recompile it (I don't change or compile any other packages). I run the script and I get an error that looks like ORA-04068: existing state of packages has been discarded ORA-04061: existing state of package body "USER3.PKG_MY_PACKAGE" has been invalidated ORA-04065: not executed, altered or dropped package body "USER3.PKG_MY_PACKAGE" ORA-06508: PL/SQL: could not find program unit being called: "USER3.PKG_MY_PACKAGE" ORA-06512: at line 34 I run the script again (without changing anything else in the system) and the script executes successfully. I thought that when I compiled before I executed the script that would fix any invalid references. This is 100% reproducible, and the more I test this script the more annoying it gets. What could cause this, and what would fix it? (oracle 10g, using PL/SQL Developer 7)

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• Add programmatically clickable Button with custom Views layouted in InterfaceBuilder

  - by allisone

  I have a UIScrollView. In there I add buttons programmatically. Right now I just use UIButton and set one title. But I need to have an UIImage View in there, that will change upon certain events, Text that will change too etc. and I would like to style that in Interface Builder, but I can't figure out how to do this. Which class should I extend, and what kind of xib should I create and what in there, so that in the end I can make the right connections and so that I can listen for UIControlEventTouchDown of that Button.

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