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• How to write a tool, inverting colors in Windows?

  - by vlood

  I read a topic in this site about it, but decided to post another one as I want to write such a tool, but I don't have much experience in C# & .NET, so it could take me too much time just digging the Net, while someone can just direct me to the right library or classes to be used. So, straight to the point. I want to write a tool that, when activated, inverts absolutely all items on the screen and lets you work that way without torturing your eyes with bright light colors. Does anyone have an idea of the needed .NET libraries or third-party frameworks, to implement this? Any help will be greatly appreciated! P.S. Changing to "High Contrast" theme in Windows is not the solution I seek, so please, don't mention it!

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• Call javascript function from Java (Groovy) class

  - by ashkanr

  Hi, I have a javascript function (very big one!) that I need its functionality in a Java (Groovy) class. It is a simple calendar converter. I can rewrite it in groovy but just want to know if it is possible to call javascript function from a java (groovy) method? I guess functional testing libraries like selenium and Canoo should have something like this, am I right? PS: I don't want to wake up a real-world browser in order to use its JS runtime env. Thanks,

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• What would happen to GC if I run process with priority = RealTime?

  - by Bobb

  I have a C# app which runs with priority RealTime. It was all fine until I made few hectic changes in past 2 days. Now it runs out of memory in few hours. I am trying to find whether it is a memory leak I created of this is because I consume lot more objects than before and GC simply cant collect them because it runs with same priority. My question is - what could happen to GC when it tries to collect objects in application with RealTime priority (there is also at least one thread running with Highest thread priority)? (P.S. by realtime priority I mean Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.RealTime) Sorry forgot to tell. GC is in Server mode

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• How to reduce size of html rendered from ASP.net ?

  - by Rbacarin

  I'm developing a newsletter in asp.net that will be send to a large quantity of users, so each kilobyte that I can reduce will help a lot in the use of bandwidth consumption, what I do until know is write the aspx excluding some spaces between tags, and before render, i've renamed some controls ids to "-" to save more space. So now, the file has 50kb. I need a file with 25 Kb. Can anyone teach me any other way do save more space ? ps.: I Use 3 divs with some data, and 2 repeaters, one inside other, to generate a table with some data for me. thanks in advance

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• Weblogic 10.3 domain unpacking problem

  - by MarkoU

  Hi, I'm trying to unpack a Weblogic 10.3 domain on one of our production servers (SunOS 5.10), but get the following error: $ /opt/bea10/wlserver_10.3/common/bin/unpack.sh -template=/tmp/CM.jar -domain=/opt/bea10/user_projects/CM Error: failed to create the temporary script file Assuming that this is a priviledge problem: where actually the unpack utility tries to create its temporary script files? The unpack script calls a Java class com.bea.plateng.domain.script.Unpacker, so reading the script itself does not reveal the location. I need to ask the sysadmin for the priviledges, so an exact directory location is needed. Of course, the error message is so vague that this might also be some other issue. Any ideas? BR, Marko P.S. Sorry for cross-posting. I tried this question also on Serverfault but got no replies. Perhaps programmers (like myself) do this kind of stuff anyway.

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• Java Servlet says file does not exist

  - by Austin

  Hello World! I have developed a java servlet that monitors a folder on a network drive for new files then does some actions on them depending on what kind of file it is. It worked in Eclipse when Eclipse and Tomcat were running with each other, but now that I have deployed it onto a server(different machine), the servlet keeps logging that it cannot find the folder to be mapped. The exact same network drive is mapped, and the folder definitely exists. This problem only occurs when the servlet is run on the server, not on the development machine. Thanks! PS: It is a Windows Server 2003 Enterprise Server with Tomcat v6 installed.

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• List in a Python class shares the same object over 2 different instances?

  - by zfranciscus

  I created a class: class A: aList = [] now I have function that instantiate this class and add items into the aList. note: there are 2 items for item in items: a = A(); a.aList.append(item); I find that the first A and the second A object has the same number of items in their aList. I would expect that the first A object will have the first item in its list and the second A object will have the second item in its aList. Can anyone explain how this happens ? PS: I manage to solve this problem by moving the aList inside a constructor : def __init__(self): self.aList = []; but I am still curious about this behavior

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• jquery animate() problem (syntax ?)

  - by meo

  $('#somediv').stop(false, true).animate({marginLeft: '-=' + e.width() + 'px'}, options.speed, function(){ options.onNewSlide() }) e.with() returns 640 opctions.speed contains 800 options.onNewSlide() contains a a custom callback function It works fine in firefox. But i debugged it with jquery.lint because it was throwing some random error in IE. lint tells me: When I called animate(...) with your args, an error was thrown! TypeError: c.speed is not a function { message="c.speed is not a function", more...} You passed: [Object { marginLeft="-=640px"}, 800, function()] and it indicates me the line i have posted. I have checked the jquery doc, but my syntax seams ok. Do you know what i am doing wrong? PS: i use jquery 1.4.2 from the google API you can see the error here: http://meodai.ch/slider/ (i know the code is under construction, but still)

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• Profiling and Graphics.updateDisplay0()

  - by AD

  I am profiling my BlackBerry application (a game) with the options 'In method only' and 'Time including native method'. Under the 'All methods' node (after a decent run of the game) the single most time consuming function is Graphics.updateDisplay0() with over 50% of the run time spent there. I don't quite know what is the purpose of that function or if I can do anything to reduce its processing time, so if anyone can shed some light on the matter, I would be grateful. Because from what I understand with the 'In method only' option, it means there is some processing within that function. ps. there is no information on that function in the documentation.

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• Get all descendants types of base class

  - by user1260827

  I have a base class called BaseEvent and several descendants classes: public class BaseEvent { // the some properties ... } [MapInheritance(MapInheritanceType.ParentTable)] public class Film : BaseEvent { // the some properties ... } [MapInheritance(MapInheritanceType.ParentTable)] public class Concert : BaseEvent { // the some properties ... } I have a code which create the BaseEvent instance at runtime: BaseEvent event = new BaseEvent(); //assign values for a properties ... baseEvent.XPObjectType = Database.XPObjectTypes.SingleOrDefault(t => t.TypeName == "MyApp.Module.BO.Events.BaseEvent"); Now, this event will be shows in BaseEvent list view. I want to do the following: when a user click Edit button then show in list view lookup field with all descendants types. And when user saves record change ObjectType to selected value. How can I do this? Thanks. PS. this is asp.net app.

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• Is html/javascript equivalent to as3/flex?

  - by DJ.

  Hello my fellow coders, As i notice for a while now (like everybody else in the industry), the RIA market is shifting from AS3/Flex to HTML/Javascript. What i would like to know is? Is html/javascript as powerfull as as3/Flex or are they entirely different. With other words can i build the exact same applictions with HTML(4/5) and Javascript as i can do with AS3/Flex? I'm not looking for the speed comparison? or bashing one technology over the other? I just want to know if is good for me to dive into javascript, JQuery...... PS. If there is a nother post on stackoverflow with the exacte question. please share the link. Thanks. Thank you.

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• Connection: Keep-Alive and PHP sessions not working

  - by user366667

  We have a VB application that needs to run an specific flow on a PHP page. This application was correctly catching the PHPSESSID cookie and using it for all subsequent requests. However, PHP wasn't able to restore any changes made on $_SESSION variable. The variable was changed, saved, and on the next request it was restored as an empty array. We found out that changing the Connection header from "Keep-Alive" to "Close" fixed the issue. I couldn't find anything on the web saying that PHP sessions shouldn't be restored under Keep-Alive connections. Does anyone know why this was happening? PS: We didn't find anything weird or different on Apache, ModSecurity or PHP configuration settings.

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• C: Recursive function for inverting an int

  - by Jorge

  I had this problem on an exam yesterday. I couldn't resolve it so you can imagine the result... Make a recursive function: int invertint( int num) that will receive an integer and return it but inverted, example: 321 would return as 123 I wrote this: int invertint( int num ) { int rest = num % 10; int div = num / 10; if( div == 0 ) { return( rest ); } return( rest * 10 + invert( div ) ) } Worked for 2 digits numbers but not for 3 digits or more. Since 321 would return 1 * 10 + 23 in the last stage. Thanks a lot! PS: Is there a way to understand these kind of recursion problems in a faster manner or it's up to imagination of one self?

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• How to add characters to reach the maximum size of a char[].

  - by Bon_chan

  Hi folks, I have the following part of code : for(int i=0;i<n;i++) { printf("Student %d\n",i+1); printf("Enter name : "); scanf("%s",&(student+i)->name); fflush(stdin); lengthName = strlen((student+i)->name); while(lengthName !='\0') { }} when the length is shorter than 10, it will add hyphens until reaching the maximum size. Ex : John = 6 hyphens will be added I know how to do it in csharp but can't figure it out in c. Could some of you give me some lights please? PS : Oh yes the variable name is char name[10+1] and it a part of the structure called student.

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• How to generate entities with Objects?

  - by 01

  I want to generate @Enities with seam-gen from existing database. However its generates very simple version only. For Example @Entity @Table(name = "badges") public class Badges implements java.io.Serializable { private Integer id; private **Integer userId**; private String name; private String date; I want him to generate @Entity @Table(name = "badges") public class Badges implements java.io.Serializable { private Integer id; private **User user**; private String name; private String date; I even have constrain on userId and it points to column User.id P.S. Im using MySQL5 and seam gen is using hbm2java to generate entities.

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• ASP.NET MVC 2 project default script files. What do you use?

  - by Andrew Florko

  Many js files are included into Scripts folder by default in ASP.NET MVC 2 Projects. I suppose developers use jquery library nearly every time they program a site, but what about other files? Please, can you tell scenarios and reasons when you: Use Microsoft.Ajax instead of jquery or mix both libraries? Do you use JQuery validation infrastructure instead of asp.net mvc one, or combine them both? Thank you in advance! P.S. there are also diferrent editions of the same file. Do you include different editions depenending on debug/release build?

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• How do you escape double quotes inside a SQL fulltext 'contains' function?

  - by Richard Davies

  How do you escape a double quote character inside a MS SQL 'contains' function? SELECT decision FROM table WHERE CONTAINS(decision, '34" AND wide') Normally contains() expects double quotes to surround an exact phrase to match, but I want to search for an actual double quote character. I've tried escaping it with \, `, and even another double quote, but none of that has worked. P.S. I realize a simple example like this could also be done using the LIKE statement, but I need to use the fulltext search function. The query I provided here has been simplified from my actual query for example purposes.

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• linux cpu usage

  - by davidbobo

  I am working on unix. I want to knwo the current cpu usage of a process. I understood that ps give the average of cpu used till the process is up - it is not the current usage. Is there a way to print only the cpu from the top command without 10 more parameters and headers? I know how to do it with awk - this is not the way i want to do it. top -p 20705 -bc -n 1 | tail -n 2 | awk '{ print $9}' | head -n 1 If there is another simple way to do it, not reading /proc/stat... If there is a simple way doing it from c++, it is also ok.

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• How to dynamically order many-to-many relationship with JPA or HQl?

  - by Indrek

  I have a mapping like this: @ManyToMany(cascade = CascadeType.PERSIST) @JoinTable( name="product_product_catalog", joinColumns={@JoinColumn(name="product_catalog", referencedColumnName="product_catalog")}, inverseJoinColumns={@JoinColumn(name="product", referencedColumnName="product")}) public List<Product> products = new ArrayList<Product>(); I can fetch the products for the catalog nicely, but I can't (dynamically) order the products. How could I order them? I probably have to write a many-to-many HQL query with the order-by clause? I though of passing the orderBy field name string to the query, or is there a better solution? Tables are: products, product_catalog, product_product_catalog (associative table) P.S. Using Play! Framework JPASupport for my entities.

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• C# What would happen to GC if I run process with priority = RealTime?

  - by Bobb

  I have a C# app which runs with priority RealTime. It was all fine until I made few hectic changes in past 2 days. Now it runs out of memory in few hours. I am trying to find whether it is a memory leak I created of this is because I consume lot more objects than before and GC simply cant collect them because it runs with same priority. My question is - what could happen to GC when it tries to collect objects in application with RealTime priority (there is also at least one thread running with Highest thread priority)? (P.S. by realtime priority I mean Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.RealTime)

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• GQL Query with __key__ in List of KEYs

  - by bossylobster

  In the GQL reference [1], it is encouraged to use the IN keyword with a list of values, and to construct a Key from hand the GQL query SELECT * FROM MyModel WHERE __key__ = KEY('MyModel', 'my_model_key') will succeed. However, using the code you would expect to work: SELECT * FROM MyModel WHERE __key__ IN (KEY('MyModel', 'my_model_key1'), KEY('MyModel', 'my_model_key2')) in the Datastore Viewer, there is a complaint of "Invalid GQL query string." What is the correct way to format such a query? [1] http://code.google.com/appengine/docs/python/datastore/gqlreference.html PS I know there are more efficient ways to do this in Python (without constructing a GQL query) and using the remote_api, but each call to the remote_api counts against quota. In an environment where quota is not (necessarily) free, quick and dirty queries are very helpful.

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• How can one change the primary key using NHibernate.

  - by mark

  Dear ladies and sirs. I want to change the primary key of an entity in database, so that all the relevant foreign key constraints are updated as well./We are using NHibenate as our ORM. Is it possible to do it? Thanks. P.S. I know the practice of changing the primary key is highly discouraged. My problem is that my primary key is backed by a natural Id of the entity, which may sometimes change. We could, theoretically, utilize a unique primary key, unrelated to the natural key of the entity, but this complicates things too much in other places, so this is not an option.

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• RemoteWebDriver InternetExplorer navigate().to() timeout?

  - by the qwerty

  i was running a test remotely on internet explorer, and when using navigate().to() selenium returns me this: "12:13:58.770 INFO - WebDriver remote server: Exception: The driver reported that the command timed out. There may be several reasons for this. Check that the destinationsite is in IE's 'Trusted Sites' (accessed from Tools-Internet Options in the 'Security' tab) If it is a trusted site, then the request may have taken more thana minute to finish." i've done what's said. but when looking at the browsers the page is loaded, but still this message continues. i've already tried as simon told me: "(16:32:54) simonstewart: ponto: http://code.google.com/p/selenium/wiki/FrequentlyAskedQuestions#Q:_The_does_not_work_well_on_Vista._How_do_I_get_it_to_work_as_e " but did not solve. could it be google analytics that on the background is getting data or something like that? ps: i ran the test on firefox and it works well. i've tried on Windows 7 and Windows XP, and Internet Explorer 7 and Internet Explorer 8.

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• How to get the string value of a UItextView?

  - by cocos2dbeginner

  Hi, I have a UITextView and a NString; I made this: myS = [myInfoTextView text]; but i get this in the console and not the string which is in the uitextview ( "<UIToolbarTextButton: 0x4d200c0; frame = (6 0; 112 44); opaque = NO; layer = <CALayer: 0x4da5540>>", "<UIToolbarTextButton: 0x4da5bb0; frame = (128 0; 106 44); opaque = NO; layer = <CALayer: 0x4d9e640>>" ) PS: I'm using the iphone sdk 4.2.

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• How to represent a 3-way relation with JPA?

  - by simpatico

  A user may have several labels, and links. Then, a user associates a label (or more) to a link. How does one represent the later relationship? A solution could be a many-to-many relationship btw user and link with the optional attribute label. http://en.wikibooks.org/wiki/Java_Persistence/ManyToMany#Mapping_a_Join_Table_with_Additional_Columns In this case the relationship btw user and label may better be 'virtual'. Any alternative I'm not seeing? PS: I've used google bookmarks terminology, as it matches my case quite well.

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