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• What happens when I MPI_Send to a process that has finished?

  - by nieldw

  What happens when I MPI_Send to a process that has finished? I am learning MPI, and writing a small sugar distribution-simulation in C. When the factories stop producing, those processes end. When warehouses run empty, they end. Can I somehow tell if the shop's order to a warehouse did not succeed(because the warehouse process has ended) by looking at the return value of MPI_Send? The documentation doesn't mention a specific error code for this situation, but that no error is returned for success. Can I do: if (MPI_Send(...)) { ... /* destination has ended */ ... } And disregard the error code? Thanks

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• eliminating multiple occurrences of whitespace in python

  - by tipu

  If I have a string "this is a string" How can I shorten it so that I only have one space between the words rather than multiple? (The number of white spaces is random) "this is a string"

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• How to convert the amount of indentation in a source code file?

  - by toby

  I find that I now often work with code bases that have different amounts of indentation. Some use 2 spaces, some use 4 space, some even use tabs! Once in a while, I have to share code between these codebases, or, sometimes I use an incorrect amount of indentation by mistake. Is there a tool or a text editor feature that will convert between different amounts of indentation?

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• Integer separated by comma

  - by FrenchiInLa

  What's the best regular expression for integer separated by comma? It can also contain space between comma, and the field is not required which means it could be blank. 123,98549 43446 etc..

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• Does the OS make a significant difference for Ruby Development ?

  - by Bragaadeesh

  Hi, I have been working in Java for the past 4 years and I am currently switching over to Ruby. I am so excited about it and I feel good to finally get a hands on experience on a scripting language first time. The task assigned to me is to first pick a OS of my choice and setup a Ruby in it and study for 2 weeks. I have been developing applications in windows and Linux is not my cup of tea. Some part of me wants to try out Linux but I want to first convince myself whether OS really matters for Ruby development. If Linux does matter, which distribution can I start looking at? Please advise.

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• Difference between macros and functions in C in relation to instruction memory and speed

  - by DAHANS

  To my understanding the difference between a macro and a function is, that a macro-call will be replaced by the instruction in the definition, and a function does the whole push, branch and pop -thing. Is this right, or have I understand something wrong? Additionally, if this is right, it would mean, that macros would take more space, but would be faster (because of the lack of the push,branch and pop instructions.), wouldn't it?

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• Can't import clojure records

  - by Zubair

  I have created a record like this: (defrecord User [user-id email]) :but when I try to access it from another name-space I get the error: (User. "name" "email") java.lang.IllegalArgumentException: Unable to resolve classname: User It works when I do: (oe.model.modelcore.User. "name" "email") : I know I will need to import the Java class, but is there any way for clojure to do this automatically when I do: (use 'oe.model.modelcore :reload)

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• mysql split value from one field to two

  - by tsiger

  Hello, I 've got a table field (membername) which contains both the last name and the first name of users. Is it possible to split those into 2 fields (memberfirst - memberlast)? All the records have this format "Firstname Lastname" (without quotes and a space in between).

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• Android - What is mediarecorder's maximum maxfilesize?

  - by andy_spoo

  Android - What is the maximum file size that setMaxFileSize can be set to in respect to Androids mediarecorder? I know it's somewhere between 4147483650 and 5147483650. Why is there a limit in the first place? I'm recording on to a SDCARD, detecting the size of the cards space before we run. "ERROR/AuthorDriver(31): setParameter(max-filesize = 7270309850) failed with result -5" "ERROR/AuthorDriver(31): Ln 903 handleSetParameters("max-filesize=7270309850") error" "ERROR/AndroidRuntime(409): java.lang.RuntimeException: setMaxFileSize failed."

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• ASP print xml formatted string

  - by Primetime

  I have: tXML = "<type p_type=\"All\"/>"; if I do Response.Write(tXML); I get a blank space. Is there anyway to output this string so I know it is being created?

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• Building an AIR application with ANT

  - by jonbcampos

  I keep getting "Java Heap Space" error. What is the JVM Memory requirements to build AIR apps with ant?

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• unserialize problem in php

  - by Kurt

  hi i'm using serialize/unserialize functions in php 5.2. the text to be stored is POSTed via a form. btw, no white-space before or after. if text contains " or ' it serializes successfully. the problem is it does not unserialize back. what i'm doing wrong?

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• sort an array such that one half of the array has even numbers in ascending order and the other half

  - by nd81

  Design an algorithm with min time and space here is my solution - assume a array of N elements with 32 bit integers use a bit array to set the appropriate bits the array is sorted now assign even numbers to the first half of the array in ascending order assign odd numbers to the second half of the array in descending order any better solution ?

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• orderered list in ie7 not spacing on two digit numbers

  - by kevin

  I have an ordered list in ie7 and the list-style-type decimal is not allowing space on two digit numbers E.G 1. blah blah, blah 12.blah, blah, blah anyone know of a answer?

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• flash video player doesn't display in IE

  - by Patrick

  hi, I cannot see flash video player in IE in this website: www.donatellabernardi.ch/drupal It works in other browsers: For example click on the article 'Test Jacques' and scroll down, you'll see an empty space instead of the video. thanks

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• prevent listview to lose selected item

  - by gad83

  Hi, I'm currently working on a listview in winform c# and everytime I click on an empty space on the listview, the selected item is lost. please help ed

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• FLEX, Tile container: how to better organize the children

  - by Patrick

  hi, I'm using as container for my LinkButtons. I would like to know 1) how can I remove the space between the items in my Tile container. 2) how can I set dynamic width for my items (at the moment they all have the same width regardless the width of the included component) 3) how can I avoid to display scrollbars if the items are not included in the container Thanks

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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.

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• How do I hide bullets in LaTeX lists?

  - by James A. Rosen

  Semantically, I want an itemized list, but visually I just want some space. How can I hide the bullets?

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• Interrupt ?13 (ah=48) - don't working

  - by GLeBaTi

  mov dl,00h mov ah,08h int 13h this is code showing normal parameters of floppy disk. mov dl,80h mov ah,08h int 13h this is code, showing not valid parameters of hard disk(may be, my hard disk space is big (LBA)), And I've written this code: mov dl,80h mov ah,48h int 13h it is code doing cf = 1(error). How fix it? I want learn parameters of my hard disk. (http://lrs.uni-passau.de/support/doc/interrupt-57/RB-0677.HTM)

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• Purpose of "Simulated User Interface Elements" for Nav Controllers?

  - by Driss Zouak

  What's the purpose of having the Simulated User Interface elements, i.e. the top and bottom toolbars? Is this to allow you to design with the space accounted for but the actual toolbars would be provided by the Navigation Controller?

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• how to use fillWeight property and yet enable horizontal scrolling

  - by GreatWorld

  I have a few columns in a dataGridView want them to fill the space. column A has a fixed width column B can be long and scrolling should be possible column C is fixed- unresizeable, and minimum width is set. what is the way to use these property for achieving the desired behavior

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• How do I perform multiple replacements with Perl?

  - by duenguyen

  I have Perl code: my $s = "The+quick+brown+fox+jumps+over+the+lazy+dog+that+is+my+dog"; I want to replace every + with space and dog with cat. I have this regular expression: $s =~ s/\+(.*)dog/ ${1}cat/g; But, it only matches the first occurrence of + and last dog.

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• How to determine whether a linked list contains a loop?

  - by ET

  During a preparation for a job interview, I encountered the following question: How can you determine whether a linked list (of any type) contains a loop, using additional space complexity of O(1)? You cannot assume that the loop starts at the first node (and of course, the loop doesn't have to contain all nodes). I couldn't find the answer, though I have the feeling it's quite simple...

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• HTML colspan in CSS

  - by Tower

  Hi, I'm trying to construct a two row table similar to following: --- - where the bottom is filling the space of the upper row. Is this possible using CSS? In HTML I can do things like colspan.

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