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• Regular Expression Program

  - by david robers

  Hi I have the following text: SMWABCCA ABCCAEZZRHM NABCCAYJG XABCCA ABCCADK ABCCASKIYRH ABCCAKY PQABCCAK ABCCAKQ This method takes a regex in out by the user and SHOULD print out the Strings it applies to but seems to print out something completely different: private void matchIt(String regex) { Pattern p = Pattern.compile(regex); Matcher m = null; boolean found = false; for(int i = 0; i < data.length; i++){ m = p.matcher(data[i]); if(m.find()){ out.println(data[i]); found = true; } } if(!found){ out.println("Pattern Not Found"); } } When inputting "[C]" It outputs: SMWABCCA ABCCAEZZRHM NABCCAYJG XABCCA ABCCADK ABCCASKIYRH ABCCAKY PQABCCAK ABCCAKQ Any ideas why? I think I'm using m.find() improperly...

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• R: Change the fields' (slots') values of the class assigning a value to some other field

  - by Max Li

  Assgning a value to one field, how can I make the other fields changing. Consider the following R5 class C<-setRefClass("C", fields=list(a="numeric",b="numeric") , methods=list( seta = function(x){ a<<-x b<<-x+10 cat("The change took place!") } ) # end of the methods list ) # end of the class Now create the instance of the class c<-C$new() This command c$seta(10) will result in that c$a is 10 and c$b is 20. So it actually works, however, I want to achieve this result by the command c$a<-10 (i.e. after that I want c$b to be equal to 20 as defined in the class in the logic of seta() function) How can I do it?

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• JAAS : on Callback ( Interesting based on HTTP headers )

  - by VJS

  I am using NameCallback and PasswordCallback for username and password.For username and password, popup comes on browser and when i enter username ans password, JAAS authenticates my request. On the wireshark, I have seen that 401 Unauthorized message (WWW-Authenticate header)comes and when i enter username/password HTTP request with credentials generate ( with Authorization header) and goes to server. My requirement : I don't want pop up to come.My application on other server having username / password, so once it received 401 then based on some logic it will generate HTTP request with Authorization header / credentials and sent it back. FLow : User - Other Server - My Tomcat5.5 Here on Other Server, nobody is available to enter username/password manually.Application is deployed and it will only generate HTTP request with credential and sent it back to tomcat. Can we have any other callback which behave like this.Need your help.Please provide me feedback as well related to approach.

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• Need a field / flag / status number for mutliple use ?

  - by Jules

  I want to create a field in my database which will be easy to query. I think if I give a bit of background this will make more sense. My table has listings shown on my website. I run a program which looks at the listings a decides whether to hide them from being shown on the site. I also hide listings manually for various reasons. I want to store these reasons in a field, so more than one reason could be made for hiding. So I need some form of logic to determine which reasons have been used. Can anyone offer me any guidance on what will be future-proof aka new reasons and what will be quick and easy to query upon ?

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• which type is best for three radiobuttons?

  - by Manog

  Maybe you consider this question trivial but im just curious what is your opinion. I have three radiobuttons. "Show blue", "Show red" and "Show all". I did it with nullable boolean. There is collumn in database where blue is 0 and red is 1 so in metode i have to translate bool to int to compare those values (i do it in c#).Of course it works, but i wonder if it is the best solution. And question is wich type is best in this case? nullable bool, int, or maybe string?

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• Nesting arrays into NSDictionary object (Objective-C)

  - by antalbud

  I would like to define tasks using NSDictionary, which I'd like to save in a plist file (I didn't have much luck with Core Data so far), but got stuck at two points: -- When using initWithObjectsAndKeys: I can change the data type to number or boolean, using NSDate's numberWithInt: and numberWithBool: methods, respectively. I can't seem to find the method to change the type to date though. I couldn't find anything like that in the documentation. -- The second problem I ran into was with the nested arrays. How can I add them to the dictionary? I have uploaded a picture to here of what I am trying to achieve. Thank you in advance!

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• One application instance for two domain name

  - by dervlap

  Hello, I have two web applications in ASP.NET which are quite the same (same business logic, same DAL, same DB scheme but different instance). The only thing that I need to change is the design (logo, color,...) and the text (global and local resource) to adress two separate business sector. We cannot "subdomain" the application because we need the two app "seems to be" independant. Is it a good idea to run only one instance for the 2 web applications. For example : I will have 2 hostnames : mycompagny.com and mycompagny2.com and I will put an HTTP Module which will set a string which will be propagated in my application like 'company' and 'company2'. I will instanciate the dal only once but the connection string will change depending on the string 'company' or 'company2'. Any pros and cons ? Any other alternatives ?

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• What does this method's return statement return?

  - by Kevin

  I saw a method written in C# that returns a boolean value. The method's return statement looks like this: return count > 0; If I'm reading this correctly, it returns a value if count is greater than zero. What happens if the value of 'count' is not greater than 0? What gets returned? Zero? If that's the case, couldn't the return statement just say: return count;

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• StructureMap DI on Model Assembly

  - by Dan dot net

  I’m new to Dependency Injection and had a question/need guidance. I had an application that used the repository pattern for data access. I used StructureMap to get the correct repository and all worked well. I have since broken out my model (including the repository logic) into its own assembly and added a service layer. In the interest of DI the service layer class takes an IRepository in its constructor. This seems wrong to me as now all consumers of my model need to know about the repository (at least configure their DI to know which one to use). I feel like that is getting into the guts of the model. What sounds wrong with this?

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• Handling out of memory errors in iPhone

  - by hgpc

  I would like to handle out of memory errors in iPhone to execute logic with lesser memory requirements in case I run of of memory. In particular, I would like to do something very similar to the followin pseudo-code: UIImage* image; try { image = [UIImage imageNamed:@"high_quality_image.png"]; } catch (OutOfMemoryException e) { image = [UIImage imageNamed:@"low_quality_image.jpg"]; } First I attempt to load a high-quality image, and if I run out of memory while doing it, then I use a lower quality image. Would this be possible?

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• Creating a file/folder structure and zipping it up?

  - by makeee

  I have a directory of image files and I need a php script or shell script that will rename them, create a structure of nested directories, and then insert each image into a specified place in the directory hierarchy. Ideally I would just specify a parent directory for each file and a parent directory for each directory and it would build it. And then finally, I need the script to zip up the whole thing. There's probably not an existing php class that will do all this for me, but if anyone knows of a php class or other script available online that would handle a lot of this logic that would be great.

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• Openerp - notify users by message when a product has been created

  - by vissu

  I am customizing OpenERP. I need to display a notification message to all "Purchase Managers" as soon as a product created by user. I saw a message is created under settings - Email - Messages by saying "Product Created". However it is not displaying for the managers under main menu Messaging - Inbox. I want put this message as notification for managers. However, not able to find any good documentation in Google. Correct me if I am missing any basic logic.

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• Testing a SQL Query for True or False

  - by KickingLettuce

  $sql = "SELECT # FROM users WHERE onduty = 1 AND loc_id = '{$site}';"; $result = mysql_query($sql); I simply want to test if this is true or false. If it returns 0 rows, I want next line to be something like: if (!$result) { //do this; } However, in my test, I am getting false when I know it should be true. Is this sound logic here? (note, yes I know I should be using mysqli_query, that is not what I am asking here)

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• Android FTP seek Bar issue

  - by Androi Developer

  I am trying to Upload & Download file to server using FTP and Download File using HTTP i am able to do this, my problem is when i am trying to show seek bar with Upload status of file using ftp then it's not showing. In this attached image Using HTTP it's showing seekbar with Network spped like this i need to display seek bar & Network sppeed in FTP. Below code i wrote for FTP to upload file into server. Code:-- // Upload System.out.println("upload test is called"); //Toast.makeText(con, "upload FTP test is called", Toast.LENGTH_SHORT).show(); //ContextWrapper context = null; //assetManager= context.getAssets(); assetManager = getResources().getAssets(); input1 = assetManager.open("hello.txt"); final long started = System.currentTimeMillis(); int size = input1.available(); //byte[] buffer = new byte[size]; byte dataByte[] = new byte[1024]; //input1.read(buffer); //String data = "ZK DATA TESTER TEST DATA1sdfsdf"; String data = input1.toString(); System.out.println("dat value is........"+data); final int lenghtOfFile = data.getBytes().length; //final int lenghtOfFile = input1.getBytes().length; System.out.println("length of file....."+lenghtOfFile); ByteArrayInputStream in = new ByteArrayInputStream( data.getBytes()); //toast("Uploading /test.txt"); //Toast.makeText(con,"File Size : " +data.getBytes().length + " bytes",Toast.LENGTH_SHORT).show(); //byte b[] = new byte[1024]; long total = 0; long sleepingTime= 0; System.out.println("started time --"+started); updateUI(status, "Uploading"); while ((count = in.read(dataByte)) != -1) { System.out.println("read value is...."+in.read(dataByte)); while (sleep1) { Thread.sleep(1000); System.out.println("ftp upload is in sleeping mode"); sleepingTime +=1000; } System.out.println("Total count --"+count); total += count; System.out.println("Only Total --"+total); final int progress = (int) ((total * 100) / lenghtOfFile); final long speed = total; //duration = ((System.currentTimeMillis() - started)-sleepingTime) / 1000; boolean result = ObjFtpCon.storeFile("/test.txt", input1); //boolean result = ObjFtpCon.storeFile(map.get("file_address").toString()+"/test.txt", input1); duration = ((System.currentTimeMillis() - started)-sleepingTime) / 1000; /* runOnUiThread(new Runnable() { public void run() { bar.setProgress(progress); // trans.setText("" + progress); //duration = ((System.currentTimeMillis() - started)-sleepingTime) / 1000; //duration = ((System.currentTimeMillis() - started)-sleepingTime) / 1000; //real_time.setText(duration + " secs"); if (duration != 0) { test_avg.setText((((speed / duration)*1000)*0.0078125) + " kbps"); if (pk <= (speed / duration) / 1024) { pk = (speed / duration) / 1024; } if (pk <= ((speed / duration)*1000)*0.0078125) { pk = (long)(((speed / duration)*1000)*0.0078125); } //peak.setText(pk + " kbps"); } } });*/ //in.close(); if (result) { updateUI(status, "Uploaded"); // toast("Uploading succeeded"); // toast("Uploaded at /test.txt"); //duration = ((System.currentTimeMillis() - started)-sleepingTime) / 1000; System.out.println("curreent time..... "+System.currentTimeMillis()); System.out.println("started time --"+started); System.out.println("sleep tome...."+sleepingTime); System.out.println("duration is....."+duration); runOnUiThread(new Runnable() { public void run() { bar.setProgress(progress); // trans.setText("" + progress); //duration = ((System.currentTimeMillis() - started)-sleepingTime) / 1000; real_time.setText(duration + " secs"); if (duration != 0) { test_avg.setText((speed / duration) / 1024 + " kbps"); if (pk <= (speed / duration) / 1024) { pk = (speed / duration) / 1024; } peak.setText(pk + " kbps"); } } }); } /*while(!result){Thread.sleep(1000);}*/ } in.close();

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• [VB.NET] Same name methods in different modules cause ambiguity.

  - by smwikipedia

  I have 2 modules. Each contains a Sub with the same name. See below: Module moduleA Public Sub f(ByVal arg1 As myType) Console.WriteLine("module A") End Sub End Module Module moduleB Public Sub f(ByVal arg1 As myType, ByVal arg2 As Boolean) Console.WriteLine("module B") End Sub End Module But the compiler complains that there's ambiguity between moduleA and moduleB. How could this be? I have totally different signatures. However, if I put the 2 methods into the same module, there's no ambiguity at all. Could someone tell me why? Many thanks.

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• Why is Hibernate not loading a column?

  - by B.R.

  I've got an entity with a few properties that gets used a lot in my Hibernate/GWT app. For the most part, everything works fine, but Hibernate refuses to load one of the properties. It doesn't appear in the query, despite being annotated correctly in the entity. The relevant portion of the entity: @Column(name="HasSubSlots") @Type(type="yes_no") public boolean hasSubSlotSupport() { return hasSubSlotSupport; } And the generated SQL query: Hibernate: /* load entities.DeviceModel */ select devicemode0_.DevModel as DevModel1_0_, devicemode0_.InvModelName as InvModel2_1_0_ from DeviceModels devicemode0_ where devicemode0_.DevModel=? Despite the fact that I refer to that property, it's never loaded, lazily or not, and the getter always returns false. Any ideas on how I can dig deeper into this, or what might be wrong?

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• Having trouble getting GET variables from url.

  - by mchl

  Hey everyone, I'm having trouble with this algorithm to extract the get variables from a url and print them each on a new line like: x=y z=hello etc. but instead it prints a seemingly random section of the url with no newlines to the file. There must be a logic error of some kind but i just can't spot it. for(i_m=0;i_m<len_m;i_m++) { if(var_m[i_m]=='&') { fwrite(var_m+offset_m, 1, amp_m, echo_out); fputc('\n',echo_out); offset_m+=amp_m; amp_m=0; } amp_m++; } any help appreciated.

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• How to include file from seperate remote folder in Netbeans (PHP Development)

  - by webworm

  I have a PHP project setup in Netbeans (v6.8) where all the PHP files are on a remote server and in a single directory. Whenever I save files locally they are updated on the remote server via SFTP. I now need to edit a remote JavaScript file to add some jQuery logic but the file is located within a different directory on the webserver. How to I add this JavaScript file such that when it is saved or updated it is transferred to it's own location on the server? When I attempt to create the file locally within NetBeans it saves to the same directory as my PHP files. I would like to be able to continue using NetBeans rather than doing this all manually using an SFTP client and a text editor. Thanks in advance.

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• Mouse Events lost on zoom in silverlight

  - by Ged

  Hi All, I'm running into an issue where I seem to be losing mouse events. Essentially I have a grid with a bunch of controls that get refreshed (removed/re-added via Grid.Children.Clear and Grid.Children.Add(control) ) via a WCF_Service. If I zoom in to a part of the grid where no control exists, I'm unable to zoom out. I have implemented zoom to mouse position but have logic to ensure the coordinates of the grid are never beyond the window of screen. (Eg: Grid.ActualWidth must be 0 and Translate.X must be < Grid.ActualWidth - 200) I have also experienced this where I can still see a section of one of the controls, but it still is not able to zoom out (unless I'm over the control). Appreciate any and all help.

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• Algorithm for finding all paths in a NxN grid

  - by Periastron

  Imagine a robot sitting on the upper left hand corner of an NxN grid. The robot can only move in two directions: right and down. How many possible paths are there for the robot? I could find solution to this problem on Google, but I am not very clear with the explanations. I am trying to clearly understand the logic on how to solve this and implement in Java. Any help is appreciated. Update: This is an interview question. For now, I am trying to reach the bottom-right end and print the possible paths.

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• How to update mutual entries in DB?

  - by Sthita

  I am not able to perform mutual update to my Database. My Requirement is like this : Insert IDS UPDate DB Entries ID ConnectedTo ID connectedTo connectedVia 2 1 --- No Entry ----- 2 3 -- No Entry ----- When ID 1 Comes in to picture (Enties happened to Table) 1 4 1 3 2 1 5 2 4 1 1 2 2 5 1 When ID 3 Comes into picture (Enties happened to Table) 3 4 3 5 1 3 1 ---- 3 2 ---- Similarly when ID 4 Comes in to picture 4 9 4 2 3 4 10 4 5 1 4 3 4 2 1 4 1 1 9 4 1 10 4 Its basically Updating the mutual connections.No Duplicate entries should happen. Like for example 2 3 and 3 2 are mutually connected and 1 is associated with them so there is no need to insert (3 2 via 1). I think this is my requirement. Anything possible combinations i have missed please let me know. i will Update. Please help me writing the logic or any example using jdbc and java.

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• what is the accepted naming convention for int, string, array, list, object, etc...

  - by RJ

  The company I work for now uses a set naming convention for their C# variables such as iSomeName for int, sSomeName for string, aSomeName for arrays, bSomeName for boolean, dSomeName for datetime and so on. My previous employer did not use the i, s, a, b and d prefixes and just named the variables a good understandable name. My impression is that these prefixes lost favor a while ago and from what I read it is not the current trend. It seems fine to me either way as long as the variable is descriptive enough to understand what it is doing but I was wondering what the now-a-day accepted practice is for naming variables?

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• Designing operation (a,b) -> (c,d)

  - by golergka

  I have an operation that I need to design. That operation takes two objects of a certain class X, and returns two new objects of the same class (I may need the originals later). The logic that dictates the selection of this object is contained in class Y. On one hand, I don't want class Y to know details about class X implementation; on the other, I don't want class X to know details about selecting the different objects to perform this operation on. If that was all the problem, I'd just create a static method on class A. However, the methods in language I'm working on return only one object. Also, the operation needs to be robust, and calling operation two times to get C and D respectively isn't possible, as both C & D both rely on a single random number. How should I design such operation? Update: I'm using Obejctive C.

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• How to pass multiple params to function in python?

  - by user1322731

  I am implementing 8bit adder in python. Here is the adder function definition: def add8(a0,a1,a2,a3,a4,a5,a6,a7,b0,b1,b2,b3,b4,b5,b6,b7,c0): All function parameters are boolean. I have implemented function that converts int into binary: def intTObin8(num): bits = [False]*8 i = 7 while num >= 1: if num % 2 == 1: bits[i] = True else: bits[i] = False i = i - 1 num /= 2 print bits return [bits[x] for x in range(0,8)] I want this function to return 8 bits. And to use this two functions as follows: add8(intTObin8(1),intTObin8(1),0) So the question is: How to pass 8 parameters using one function?

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• Maintain Constant Title Across Website

  - by Jason

  If I am creating a website in ASP.NET, is it possible to programmatically set the title of the page be some predefined value with some extra information tacked on? For example: Home Page Title = Site Name Links Title = Site Name: Links Stuff Title = Site Name: Stuff Basically, whatever I defined as the main title on the page I'm currently on, I want to tack ": Name" onto the end of the title so it stays consistent across the website. I was thinking of defining it as a ContentPlaceHolder and wrapping some logic around it, but it doesn't appear to work how I thought it would (AKA, not at all).

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