Which Java ORM is considered the most performant generally speaking?
- by Blankman
Which Java ORM is considered the most performant generally speaking?
I realize this could mean less features, but just want an idea.
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another way to suggest combobox item
- by aliassad
Hi there .. Is there any way to let combobox suggest elements which not only start with combobox text? I mean even if the combobox text has space between it's characters, for example if combobox has these items hello hi hellothere when we try to type "he" or "h e" or "h e", the combobox would suggest hello and hellothereRead the article
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I’m looking for a textbook based introduction to PHP5/mysql/javascript for a new webdeveloper
- by prgrmnGuru
I also want the books to be no older than 1 year old. And by textbook i mean i want the author(s) to go into the syntax,semantix,structure of the programming language as well as provide questions/mini projects to test what you learned after every section/chapter.Read the article
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Interact with main window while modal window is active
I want to be able to interact with main window of applications like Firefox or Word, while modal window is active. What I mean by interact is to: Copy text Move window Close window (by pressing x button) Are these possible under Windows environment?Read the article
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How do you make one line bold in a TreeView Class in WPF/C#?
- by xarzu
How do you make one line bold in a TreeView Class in WPF/C#? I mean, how do you make just one line in a Tree View bold at runtime?Read the article
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Strange eclipse error
- by Gandalf StormCrow
Has anyone expirience this error before: this happens when I hit CTRL + space , here is the error : For those who has tinyurl blocked: This compilation unit is not on the build path of the java project. This is a maven project, mvn eclipse:eclipse doesn't help I mean it compiles and runs just fine just something is wrong and I can't figure out what. I checkouted this project from SVN, it wasn't developed on my PC.Read the article
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From a Java programming perspective, what difference does multicast make to a networking program?
- by pnut butter
My manager has asked me to assess what changes would be required to add multicast support to a socket-based TCP/IP networking program that is part of a trading system. As far as I can tell, from the perspective of a Java program, it doesn't seem to matter too much whether the program is unicast or multicast. Doesn't the Java networking API make all of this transparent? By this I mean, wouldn't the change be a simple one of simply adding additional destinations for the outgoing connections?Read the article
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Can WebClient() download more than one string at the same time? (C#)
- by Ole Jak
I mean can I do something like this: var client = new WebClient(); var result = client.DownloadString(string("http://example.com/add.php"); var result2 = client.DownloadString(string("http://example.com/notadd.php")); in paralel like for 100 url's ?Read the article
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Just how much do I want to make virtual?
- by Alex
I am writing an abstract superclass where literally every method is going to be overridden. There is some default functionality I could implement, but most of the time it's enough to leave the implementation to the subclass writer. Since just about every method is going to be overwritten, how much should I make virtual and how much should I just leave as regular methods? In the current incarnation, everything is virtual, but I still haven't let this loose to anyone to use, so the design is flexible. What advantages/disadvantages are there to virtual functions? Links to good reading material about this would be appreciated.Read the article
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Visual studio line colors
- by Patrick
In Visual Studio, what does the vertical color bar between the line numbers and the code mean? Sometimes there is green, yellow, or nothing.Read the article
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What's the term (if any) for frameworks that support dynamic class creation?
- by Alix
Hi. Sorry about the vocabulary question, but I'm writing my master thesis and it's a pain to repeat "frameworks that support dynamic class creation" again and again. Is there a term for that? Some clarification: I mean that you can create a class at runtime, i.e., dynamically. For example, .NET supports this with the System.Reflection namespace. Thanks :)Read the article
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About gcc -mwindows
- by user198729
What does -mwindows mean and how does it work exactly? Does it internally change the main function to WinMain ?Read the article
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wxWidgets/wxPython: Do two identical events cause two handlings?
- by cool-RR
When there are two identical events in the event loop, will wxPython handle both of them, or will it call the handler only once for them both? I mean, in my widget I want to have an event like EVT_NEED_TO_RECALCULATE_X. I want this event to be posted in all kinds of different circumstances that require x to be recalculated. However, even if there are two different reasons to recalculate x, only one recalculation needs to be done. How do I do this?Read the article
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making text boxes non editable in html
- by Sachindra
i am trying to make a text box no editable for the users. I tried using this code and it works. Any ramifications??? I mean do u suggest the use of this code or it may cause trouble for me in future??? <input type="text" name="west" value="fixed value" readonly />Read the article
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how to multiply two large numbers(say 512 bits) in java
- by Bipul
i want to multiply two 512 bit integers in java and store the result.suggest some method to do this.Read the article
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Java: empty ArrayLists in a foor loop
- by Patrick
hi, I'm reusing the same ArrayList in a for loop, and I use for loop results = new ArrayList<Integer>(); experts = new ArrayList<Integer>(); output = new ArrayList<String>(); .... to create new ones. I guess this is wrong, because I'm allocating new memory. Is this correct ? If yes, how can I empty them ? Added: another example I'm creating new variables each time I call this method. Is this good practice ? I mean to create new precision, relevantFound.. etc ? Or should I declare them in my class, outside the method to not allocate more and more memory ? public static void computeMAP(ArrayList results, ArrayList experts) { //compute MAP double precision = 0; int relevantFound = 0; double sumprecision = 0; thanksRead the article
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Obsolete createEvenSource
- by user311130
Hello, I want to create a new customevent log ( "My EeventLog") on a remote machine. createEventSource(String,String,String) method was perferct for my need. Unfortenatly, this method is Obsolete. My questions is: the two other alternatives don't allow evenlog creation over a remote machine (correct me if I'm wrong). http://msdn.microsoft.com/en-us/library/system.diagnostics.eventlog.createeventsource.aspx So, my easiest way to do it- is be created a new exe and run it remotely with Psexe. right? Could I count eventlog entries that have some specific ID ? Regards,Read the article
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Subtype polymorphism and arrays
- by user133466
Computer[] labComputers = new Computer[10]; with public class Computer { ... void toString(){ // print computer specs } } public class Notebook extends Computer{ ... void toString(){ // print computer specs + laptop color } } each subscripted variable labComputers[i] can reference either a Computer object or a Notebook object because Notebook is a subclass of Computer. For the method call labComputers[i].toString(), polymorphism ensures that the correct toString method is called. I wonder what if we do Notebook[] labComputers = new Notebook[10]; what kind or error would I get if I reference with Computer object and a Notebook objectRead the article
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how does tomcat like web container handle struts 2 variables ?
- by mobby1982
i am a newbie . i have a question regarding struts 2 framework and tomcat . i know that each request has it own thread , but my question is are the global variables defined in struts action shared amongst requests. for ex: if i have a global variable named say int pageNo; and i am using in say method called paginationAll() can i use the same variable (pageNo) for another method called say paginatonMaterialAll() in the same action or does each thread has its own set of variables even though globally defined?Read the article
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Searching for URL's Relative to Site Root in Javascript Source
- by James
Hi, I am working on a web site with several other developers and we have had problems where people commit JavaScript code with AJAX calls that use URL's relative to the site root. An example would be /Home/Index which will not work if the site is hosted in a virtual directory. To get round the problem we use a $.url() method to convert it to a full path, e.g. $("#container").load($.url("/Home/Index")) I am trying to write a unit test that will search each JavaScript file and find places where the $.url method is not being used. The only problem is that I cannot seem to write a regex expression to do this. I have tried the following: (?!\$\.url\()"(/\w*)+" But this does not work. I cannot find a way to say that I don't want the $.url in front. Does anyone know if this is possible? Note that I need regular expressions that are compatible with .NET Thanks.Read the article
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function overloading and overriding in php
- by Phoenix
In php what do you mean by function overloading and function overriding. and what is the difference between both of them? couldn't figure out what is the difference between them. Thanks in advance for any helpRead the article
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HTMLtags in input field
- by megapool020
I have a question about inserting values into an input field from my MYSQL DB. First I have a form to save data from an inputfield to the database. An extra script filters diacrits Á=Á to html code. So Állo will be saved like Állo When I insert the data from the DB to a 'div' it shows Állo. When I insert the data into a input field it shows Állo What am I doing wrong I use JQUERY to save data to the DB with the $.post method without pagerefresh. I also get the data from the DB with JQUERY $.post method without pagerefresh. Hope somebody can help.Read the article
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Javascript Methodname is replaced with !==
- by dasheddot
Hey! On the server lies a html file with javascript code included. This javascript code includes a method called something like "CheckObject". This file works for all users, except one specific (but important). He gets a javascript error and in his browser sourcode appears something unbelievable: The methodname "CheckObject" is replaced with "Check!==ect", means the "Obj" of the method name is replaced with !==. Why could that be? Hope anybody can help me! Best regardsRead the article
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What is the difference between "compile time" and "run time"?
- by Surya sasidhar
I do not understand what is meant by the terms "compile time" and "run time" (or "runtime"). I'm also a bit confused about what "value type" and "reference type" mean, and how they relate to the 'times mentioned above. Would someone please explain these things?Read the article
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java.util.Random zero argument enquiry
- by deerb
I am trying to code a game following instructions contained in an OU TMA document which read: In the constructor, write code to assign a new instance of Random to ran which you should create using the Random class's zero argument constructor Will this code work? Random ran = new Random(0) ; I am a relative newbie to Java, and I don't understand exactly what the instructions meanRead the article
