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• The role of data types inside of the < > in declarations in Java?

  - by Emanuil

  To give an example, whats the role of the <String> in the following line of code? private List<String> item = new ArrayList<String>();

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• How to skip a statement in Eclipse during debugging

  - by frankfwl

  Is it possible to skip a statement in Eclipse while debugging? Suppose the process stopped at breakpoint and I want to skip the breakpoint line ( or maybe a few lines below), can I do it? On the debug tab, it only has "Step into", "Step over" and "Step return" buttons. I did google around but couldn't find anything, hopefully I can find an answer here.

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• broken UTF-8 String ruby

  - by josh

  While reading a file I get broken UTF-8 String error whenever I have the following in my file través if I change it to normal e then it works. Whats the way to fix this? error only happens if I do line.lstrp or any other function. Just printing the lines is ok. problem even happens when I try to match the string with regex.

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• how to run QT from control panel in windows

  - by coderex

  hi all, i installed Qt4 and Qt creator. now i need to know how can i run an application with in command line.

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• Is there a way to open (arbitrary) core dumps with Xcode?

  - by Cyrus

  Looking for an alternative to command line gdb for examining core dumps on OSX - is there some way to get Xcode to open arbitrary core dumps w/ debugging symbols?

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• how do you install a PEAR package on WAMP, Windows 7?

  - by Haroldo

  I've no idea with command line stuff! What i've done: changed my php.ini to phar.require_hash - off ran go-pear.bat so i'm pretty sure i've got PEAR installed, now I'd like to install this package I've tried following the instructions but I really don't know how to do things with cmd.exe, would love some help!

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• How to mask input in groovy

  - by Zombies

  How can I mask input from the command line? Basic use case: I want to enter a password when prompted, and I need to either see *'s or nothing at all.

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• C++, what does this syntax mean?

  - by aaa

  i found this in this file: http://www.boost.org/doc/libs/1_43_0/boost/spirit/home/phoenix/core/actor.hpp What does this syntax means? struct actor ... { ... template <typename T0, typename T1> typename result<actor(T0&,T1&)>::type // this line thank you

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• Can you make floated elements in a div not wrap?

  - by user169867

  (The target browser is IE8) I have a div that contains a list of elements floated left. The elements width can change at runtime. I'd like to make it so that if they longer fit in the div it just gets cut off and doesn't wrap to a new line.

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• Ruby - How to write a new file with output from script

  - by Sam

  I have a simple script that does some search and replace. This is basically it: File.open("us_cities.yml", "r+") do |file| while line = file.gets "do find a replace" end "Here I want to write to a new file" end As you can see I want to write a new file with the output. How can I do this?

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• Grep and Extract Data in Perl

  - by syker

  I have HTML content stored in a variable. How do I extract data that is found between a set of common tags in the page? For example, I am interested in the data (represented by DATA kept between a set of tags which one line after the other: ... <td class="jumlah">*DATA*</td> <td class="ud"><a href="">*DATA*</a></td> ...

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• Embedded linux call using system

  - by Gav

  I'm having a problem using system("command") call in C on an embedded system in linux. The call to the app works fine on the command line but when called in a compiled cgi script using the system command it is painfully slow. Any help appreciated?

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• Copy and paste RESULTS of a file search

  - by ray023

  In order for me to get the results of a file search in a readable format, I use the following command line in a command prompt: dir *.* /s > myResultList.txt I then open that list in Excel, use fixed width format to get rid of all the stuff I don't want and then I have my list. Seems like a lot to do for something so simple. Does anyone out there have any recommendations for something that would work better than this?

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• heroku - how to see all the logs

  - by josh

  I have a small app on heroku. Whenever I want to see the logs I go to the command line and do heroku logs That only shows me about 100 lines. Is there not a way to see complete logs for our application on heroku?

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• RegexKitLite & Unrecognized Selector Sent to Instance Error..

  - by Susanth

  Hi Guys, I am not sure why the following line: addDetails.Address = [addDetails.Address stringByReplacingOccurrencesOfRegex:@" +" withString:@" "]; causes an "Unrecognized Selector Sent to Instance" error, closing my iPhone App in my Simulator(XCode). What's wrong with my code?

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• vba: This key is already associated with an element of this collection

  - by I__

  Dim arr As New Collection, a Dim aFirstArray() As Variant ...some code For Each a In aFirstArray arr.Add a, a Next i get this error: This key is already associated with an element of this collection on this line : arr.Add a, a what am i doing wrong?

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• Operation can only be performed on rows that belong to a DataGridView control?

  - by Behrooz

  it happens when i change the DataSource. i have checked everything(stack traces, all exception information, datasources, grids, all the threads, etc) i have also write lots of diagnostic code(+3000 line) it seems to be a virus, it is going to destroy everything in my app. all grids are going to have the very same error.(while i have not changed any of the code).wtf . it makes my datagridviews to have an red X on them.

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• What's wrong with this Perl regular expression?

  - by neversaint

  I have a lines like this NF419andZNF773 (e=10^-92,). ZNF571 (e=2 10^-14,) What's the regex for extracting the results above so that it gives NF419andZNF773 - 10^-92 ZNF571 - 2 10^-14 I tried this but fail. $line =~ /(\w+)\s\(e=\s(.*),\)/; print "$1 - $2\n";

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• SQL 2008 CASE statement aggravation...

  - by Brad

  Why does this fail: DECLARE @DATE VARCHAR(50) = 'dasf' SELECT CASE WHEN ISDATE(@DATE) = 1 THEN CONVERT(date,@DATE) ELSE @DATE END Msg 241, Level 16, State 1, Line 2 Conversion failed when converting date and/or time from character string. Why is it trying to convert dasf to date when it clearly causes ISDATE(@DATE) = 1 to evaluate to false... If I do: SELECT ISDATE(@DATE) The return value is 0.

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• Renaming table in rails

  - by Tommy

  I want to rename a table... (any table.) I tried this line of code: ActiveRecord::ConnectionAdapters::SchemaStatements.rename_table(old_name, new_name) Here's the weird thing. I know I got it working the first time, but now I get this error: undefined method `rename_table' for ActiveRecord::ConnectionAdapters::SchemaStatements:Module Was there something I need to set? Or am I going blind here.. Thanks!

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• Trying to understand crash log output

  - by John Smith

  I'm trying to understand debug output from a crash log. I have the following line from the crashlog: 22 FG 0x00022b94 0x1000 + 138132 I understand how to use atos on 0x00022b94 to get the source code location. What I would like to know is why the crash log helpfully splits that number into 0x1000 + 138132? I have googled and the googles failed me.

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• soundTransform is muting the sound but sound still plays.

  - by Fahim Akhter

  I am using the following code, in the last line when I play the sound I can still here it even when I have transformed it to 0. var tempTransform:SoundTransform = new SoundTransform(0,0.5); clickSoundChannel = clickSound.play(); clickSoundChannel.soundTransform = tempTransform; clickSound.play();

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• how to create a more accurate Break Point or Try/Catch

  - by BDotA

  I have two FOR loops that the outer will repeat 64 times some where I know there is a index out of bound error How can I set a good break point or try/catch block,etc that exactly shows me the index and line of code that is causing the problem. ( C# WinApp) Thanks all.

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• captcha error Warning: session_start() [function.session-start]:Cannot send session cache limiter -

  - by user363534

  Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\xampp\htdocs\program\sanweetha\quotation.php:280) in C:\xampp\htdocs\program\sanweetha\php\captcha demo\captcha_demo.php on line 1

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• vim autopopulate file

  - by David Oneill

  Is it possible to have VIM auto populate a file based on the extension? For example, when I open a new .sh file, I would like VIM to automatically type #!/bin/bash as the first line. (This example simplified down to the essentials)

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