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  • [Python] - Getting data from external program

    - by Kenny M.
    Hey, I need a method to get the data from an external editor. def _get_content(): from subprocess import call file = open(file, "w").write(some_name) call(editor + " " + file, shell=True) file.close() file = open(file) x = file.readlines() [snip] I personally think this is a very ugly way. You see I need to interact with an external editor and get the data. Do you know any better approaches/have better ideas?

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  • NSWindowController windowDidLoad not called

    - by user288024
    I have a simple Cocoa app using a NSWindowController subclass. In the nib I have set: File Owner's class to my NSWindowController subclass The 'Window' outlet of the File's Owner to the main NSWindow in the nib. The init method of my NSWindowController subclass is called (I call super), but not matter what I do windowDidLoad is never called. I must be missing something obvious, but for the life of me I can't figure out what it is.

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  • System.exit(0) in java

    - by Ram
    I am writing an application program in java. If i need to exit from the application can i use system.exit or should i use some other method, which is good practice. If calling system.exit is not good practice then tell the reason and tell the alternative way to exit from the application.

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  • Open .NET app from Web Page.

    - by Sheldon
    Hi, I just need to be able to open a .NET app (click once) from within an ASP.NET web page, and pass 2 string parameter to the app. How can I do this? Any example please, with any method to do it. Thank you in advance.

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  • Cannot access new product attributes in grid display

    - by russjman
    I added a couple new attribute to my products(a boolean "yes/no" fields). They are variables to enable/disable the price from displaying on the product detail page, and grid view. I managed to get it work on the product info page. But on product grid page I cant seem to access those variable. Specifically, the template i am working with is catalog/product/list.phtml. Ive tried adding them in the xml file like this layout/catalog.xml: <block type="catalog/product_list" name="product_list" template="catalog/product/list.phtml"> <action method="addAttribute"><name>DisplayPrice</name></action> <action method="addAttribute"><name>CustomOrder</name></action> </block> and I am trying to access the attributes like so in catalog/product/list.phtml: <?php echo $_product->getDisplayPriceName()? "Yes" : "No" ; echo $_product->getCustomOrderName()? "Yes" : "No" ;?> ive also added in the Mage config file app/code/core/Catalog/etc/config.xml: <frontend> <!---- stuff before this --> <product> <collection> <attributes> <name /> <url_key /> <price /> <special_price /> <custom_order /> <!--new attribute --> <display_price /> <!--new attribute --> <special_from_date /> <special_to_date /> <short_description /> <thumbnail /> <small_image /> <image_label /> <thumbnail_label /> <small_image_label /> <tax_class_id /> <status /> <news_from_date /> <news_to_date /> <created_at /> <updated_at /> </attributes> </collection> </product> </frontend> At this point im shooting in the dark. I dont know enough about the Magento backend to know where else i need to go or look. ANY feed back will be greatly appreciated. thanks in advance.

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  • get last clicked tab index in jquery ui tab

    - by Hunt
    Hi, I am using JQuery UI tabs , to get the current selected tab i am using ui.index but i want an index of last clicked tab. for example, initially tab 1 is loaded after that if i click tab 3 then in show method i can fetch tab 1's index and the same way if i click on tab 1 then i can fetch tab 3's index.

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  • Display\Capture InnerException Message

    - by madlan
    I was using the following to provide more information on a common exception that can occour in a piece of my code, the only problem is this errors if an exception is generated that has no InnerException message. Catch ex As Exception 'MessageBox.Show(ex.Message) 'If there is no InnerException. MessageBox.Show(ex.InnerException.InnerException.Message) End Try Is there a better method of doing this?

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  • URL load error during adding

    - by Steven
    hi, i have a string say Path ="C:\AAA\bin" which is a path to a project's bin folder. I used new URL(Path) during invocation of addURL method of URLClassLoader class. ex- addURL(sysLoader,new URL(Path)) ; its giving unknown protocol:c exception whats the problem?Help

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  • Authenticate username and password

    - by Alice Lee
    I have a MMC client that runs on a .Net system, that invokes web methods on a server running on a linux box. The first task the client needs to do is to perform user login. It prompts the user for username and password. What is the best way for the client to authenticate the user's credentials. The password cannot be sent as plain text. The web server implements a web method called ValidateUser().

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  • Performance testing Flex applications

    - by Fergal
    What's the best method for performance testing Flex applications with a BlazeDS/Java severs backend. We're looking at JMeter but can it be used with the amf the protocol at a more sophisticated level where values in a request can be manipulated?

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  • Activity in Android

    - by leduchuy89vn
    Normally, a Java p'rogram starts from an object, then that object will create some GUI objects (window) and call the "Show" method So, is there any way to do the same thing in Android, since, by default in Android, a program runs from an object created by a class which extended from Activity class?

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  • nptl SIGCONT and thread scheduling

    - by piotr
    Hello, I'm trying to port a code that relies on SIGCONT to stop certain threads of an application. With current linux nptl implementation seems one can't rely on that in 2.6.x kernels. I'm trying to devise a method to stop other threads. Currently I can only think on mutexes and condition variables. Any hints is appreciated.

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  • which is the most secure way to check variables type javascript

    - by mck89
    Hi, i need to check the type of a variable in javascript, i know 3 ways to do it: instanceof operator: if(a instanceof Function) typeof operator: if(typeof a=="function" toString method (jQuery uses this): Object.prototype.toString.call(a) == "[object Function]" Which is the most secure way to do type checking beetween these solutions? and why? Please don't tell me that the last solution is better only because jQuery uses that.

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  • Why isn't JML implemented as Annotations in Java?

    - by devoured elysium
    Contrary to Code Contracts in C#, in JML Code Contracts are just text that's used in the form of comments in the header of a method. Wouldn't it be better to have them exposed as Annotations, then? That way even when compiling the information would persist on the .class's metadata, contrary to comments, that get erased. Am I missing something? Thanks

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  • Possible loss of precision; extracting char from string

    - by Troy
    I am getting a string from the user and then doing some checking to make sure it is valid, here is the code I have been using; char digit= userInput.charAt(0) - '0'; This had been working fine until I did some work on another method, I went to compile and have been receiving a 'possible loss of precision' error since then. What am I doing wrong?

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  • Is it possible to gzip and upload this string to Amazon S3 without ever being written to disk?

    - by BigJoe714
    I know this is probably possible using Streams, but I wasn't sure the correct syntax. I would like to pass a string to the Save method and have it gzip the string and upload it to Amazon S3 without ever being written to disk. The current method inefficiently reads/writes to disk in between. The S3 PutObjectRequest has a constructor with InputStream input as an option. import java.io.*; import java.util.zip.GZIPOutputStream; import com.amazonaws.auth.PropertiesCredentials; import com.amazonaws.services.s3.AmazonS3; import com.amazonaws.services.s3.AmazonS3Client; import com.amazonaws.services.s3.model.PutObjectRequest; public class FileStore { public static void Save(String data) throws IOException { File file = File.createTempFile("filemaster-", ".htm"); file.deleteOnExit(); Writer writer = new OutputStreamWriter(new FileOutputStream(file)); writer.write(data); writer.flush(); writer.close(); String zippedFilename = gzipFile(file.getAbsolutePath()); File zippedFile = new File(zippedFilename); zippedFile.deleteOnExit(); AmazonS3 s3 = new AmazonS3Client(new PropertiesCredentials( new FileInputStream("AwsCredentials.properties"))); String bucketName = "mybucket"; String key = "test/" + zippedFile.getName(); s3.putObject(new PutObjectRequest(bucketName, key, zippedFile)); } public static String gzipFile(String filename) throws IOException { try { // Create the GZIP output stream String outFilename = filename + ".gz"; GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream(outFilename)); // Open the input file FileInputStream in = new FileInputStream(filename); // Transfer bytes from the input file to the GZIP output stream byte[] buf = new byte[1024]; int len; while ((len = in.read(buf)) > 0) { out.write(buf, 0, len); } in.close(); // Complete the GZIP file out.finish(); out.close(); return outFilename; } catch (IOException e) { throw e; } } }

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  • Java constructor and modify the object properties at runtime

    - by lupin
    Note: This is an assignment Hi, I have the following class/constructor. import java.io.*; class Set { public int numberOfElements = 0; public String[] setElements = new String[5]; public int maxNumberOfElements = 5; // constructor for our Set class public Set(int numberOfE, int setE, int maxNumberOfE) { int numberOfElements = numberOfE; String[] setElements = new String[setE]; int maxNumberOfElements = maxNumberOfE; } // Helper method to shorten/remove element of array since we're using basic array instead of ArrayList or HashSet from collection interface :( static String[] removeAt(int k, String[] arr) { final int L = arr.length; String[] ret = new String[L - 1]; System.arraycopy(arr, 0, ret, 0, k); System.arraycopy(arr, k + 1, ret, k, L - k - 1); return ret; } int findElement(String element) { int retval = 0; for ( int i = 0; i < setElements.length; i++) { if ( setElements[i] != null && setElements[i].equals(element) ) { return retval = i; } retval = -1; } return retval; } void add(String newValue) { int elem = findElement(newValue); if( numberOfElements < maxNumberOfElements && elem == -1 ) { setElements[numberOfElements] = newValue; numberOfElements++; } } int getLength() { if ( setElements != null ) { return setElements.length; } else { return 0; } } String[] emptySet() { setElements = new String[0]; return setElements; } Boolean isFull() { Boolean True = new Boolean(true); Boolean False = new Boolean(false); if ( setElements.length == maxNumberOfElements ){ return True; } else { return False; } } Boolean isEmpty() { Boolean True = new Boolean(true); Boolean False = new Boolean(false); if ( setElements.length == 0 ) { return True; } else { return False; } } void remove(String newValue) { for ( int i = 0; i < setElements.length; i++) { if ( setElements[i].equals(newValue) ) { setElements = removeAt(i,setElements); } } } int isAMember(String element) { int retval = -1; for ( int i = 0; i < setElements.length; i++ ) { if (setElements[i] != null && setElements[i].equals(element)) { return retval = i; } } return retval; } void printSet() { for ( int i = 0; i < setElements.length; i++) { System.out.println("Member elements on index: "+ i +" " + setElements[i]); } } String[] getMember() { String[] tempArray = new String[setElements.length]; for ( int i = 0; i < setElements.length; i++) { if(setElements[i] != null) { tempArray[i] = setElements[i]; } } return tempArray; } Set union(Set x, Set y) { String[] newXtemparray = new String[x.getLength()]; String[] newYtemparray = new String[y.getLength()]; Set temp = new Set(1,20,20); newXtemparray = x.getMember(); newYtemparray = x.getMember(); for(int i = 0; i < newXtemparray.length; i++) { temp.add(newYtemparray[i]); } for(int j = 0; j < newYtemparray.length; j++) { temp.add(newYtemparray[j]); } return temp; } } // This is the SetDemo class that will make use of our Set class class SetDemo { public static void main(String[] args) { //get input from keyboard BufferedReader keyboard; InputStreamReader reader; String temp = ""; reader = new InputStreamReader(System.in); keyboard = new BufferedReader(reader); try { System.out.println("Enter string element to be added" ); temp = keyboard.readLine( ); System.out.println("You entered " + temp ); } catch (IOException IOerr) { System.out.println("There was an error during input"); } /* ************************************************************************** * Test cases for our new created Set class. * ************************************************************************** */ Set setA = new Set(1,10,10); setA.add(temp); setA.add("b"); setA.add("b"); setA.add("hello"); setA.add("world"); setA.add("six"); setA.add("seven"); setA.add("b"); int size = setA.getLength(); System.out.println("Set size is: " + size ); Boolean isempty = setA.isEmpty(); System.out.println("Set is empty? " + isempty ); int ismember = setA.isAMember("sixb"); System.out.println("Element six is member of setA? " + ismember ); Boolean output = setA.isFull(); System.out.println("Set is full? " + output ); setA.printSet(); int index = setA.findElement("world"); System.out.println("Element b located on index: " + index ); setA.remove("b"); setA.emptySet(); int resize = setA.getLength(); System.out.println("Set size is: " + resize ); setA.printSet(); Set setB = new Set(0,10,10); Set SetA = setA.union(setB,setA); SetA.printSet(); } } I have two question here, why I when I change the class property declaration to: class Set { public int numberOfElements; public String[] setElements; public int maxNumberOfElements; // constructor for our Set class public Set(int numberOfE, int setE, int maxNumberOfE) { int numberOfElements = numberOfE; String[] setElements = new String[setE]; int maxNumberOfElements = maxNumberOfE; } I got this error: \ javaprojects>java SetDemo Enter string element to be added a You entered a Exception in thread "main" java.lang.NullPointerException at Set.findElement(Set.java:30) at Set.add(Set.java:43) at SetDemo.main(Set.java:169) Second, on the union method, why the result of SetA.printSet still printing null, isn't it getting back the return value from union method? Thanks in advance for any explaination. lupin

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  • What is the best way to merge mp3 files?

    - by Dan Williams
    I've got many, many mp3 files that I would like to merge into a single file. I've used the command line method copy /b 1.mp3+2.mp3 3.mp3 but it's a pain when there's a lot of them and their namings are inconsistent. The time never seems to come out right either.

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  • FileReference.load() not populating FileReference.data.

    - by cookiecaper
    I am trying to use the load method of FileReference object to load the data and use it to display a thumbnail of the selected image. However, after calling fr.load(), fr.data remains null. I'm using Flex Builder 3.0.2 on Windows 7 with Flex SDK 3.4 and Flash Player 10 Debug. If I evaluate fr.load() in Eclipse's watch variables list, I get an error reading "No such variable: load." Anyone know why this is happening?

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