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• How can I quickly sum all numbers in a file?

  - by Mark Roberts

  I have a file which contains several thousand numbers, each on it's own line: 34 42 11 6 2 99 ... I'm looking to write a script which will print the sum of all numbers in the file. I've got a solution, but it's not very efficient. (It takes several minutes to run.) I'm looking for a more efficient solution. Any suggestions?

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• Using visual studio 6 c++ compiler from within emacs

  - by jörg

  Hey guys, I'm just getting started with c++ development and I would like to use emacs to write the code and then compile and run it from within emacs using the visual studio 6 compiler. I have already googled around a bit but just can't seem to find an explanation of how this is done. Any pointers? Thanks for your help, joerg

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• django import forms basic doubt

  - by webvulture

  I have seen people writing forms in mdoels or in forms.py? Is it the case I can actually write it anywhere say in blah.py and just import it wherever necessary?

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• Can we only use the front-end of wordpress without any front-end ?

  - by Tristan

  Hello, i just asked a question few minutes ago which led me to this one : I want to know if there is any chance to use only the back-end of wordpress ? I mean, link my admin interface to post news link my visitor interface on my website to the wordpress news so the visitor can access the news So the visitor never find out that i'm using wordpress to generate the news and handle their comments and write my news ? Maybe it's possible but there is no point by doing so ? Thank you

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• nginx subdomain rewrite

  - by ivan73

  I need a nginx rewrite rule to rewrite from: http://some-keyword.example.com to www. example.com/keyword.php?keyword=$some-keyword while domain without www in front still rewrites to www.example.com and 'www' isn't taken as a keyword. Please could you help me to solve this problem, how to write these two rules?

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• Programmatically power off the machine by Machine name?

  - by Anjan

  Hi, I want to write the utility which will be scheduled task, and will take the list of computer names on domain. After a particular time which will be set in the utility machines with that name get shutdown. Please share your thoughts on this... Thanks. Anjan

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• Does OOP make sense for small scripts?

  - by Fabian

  I mostly write small scripts in python, about 50 - 250 lines of code. I usually don't use any objects, just straightforward procedural programming. I know OOP basics and I have used object in other programming languages before, but for small scripts I don't see how objects would improve them. But maybe that is just my limited experience with OOP. Am I missing something by not trying harder to use objects, or does OOP just not make a lot of sense for small scripts?

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• Creating content input form with custom theme (Drupal)

  - by AndrewSmith

  I'm creating a site which I want to place content input form in custom themed template. I opted to do this because I wanted the whole site to be looked uniform. That said, I'm not sure as to what is the best approach to do this. Is it proper to invoke hook_insert/delete/update and hook_perm/hook_access by myself or is there anyway I can still use my custom theme and write a code in a way that drupal would take care of invoking appropriate hooks accordingly? Thanks in advance PS : I'm on drupal 6.x

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• In Bash, how do you access command line arguments inside a function?

  - by DonGar

  I'm attempting to write a function in bash that will access the scripts command line arguments, but they are replaced with the positional arguments to the function. Is there any way for the function to access the command line arguments if they aren't passed in explicitly? # Demo function function stuff { echo $0 $* } # Echo's the name of the script, but no command line arguments stuff # Echo's everything I want, but trying to avoid stuff $*

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• MySQL Single Query Benchmarking Strategies

  - by Pepper

  Hello, I have a slow mySQL query in my application that I need to re-write. The problem is, it's only slow on my production server and only when it's not cached. The first time I run it, it will take 12 seconds, then anytime after that it'll be 500 milliseconds. Is there an easy way to test this query without it hitting the query cache so I can see the results of my refactoring? Thanks!

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• Create thumbnail and reduce image size

  - by oo

  I have very large images (jpg) and i want to write a csharp program to loop through the files and reduce the size of each image by 75%. I tried this: Image thumbNail = image.GetThumbnailImage(800, 600, null, new IntPtr()); but the file size is still very large. Is there anyway to create thumbnails and have the filesize be much smaller?

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• Wordpress: How should I keep an xml-file updated with the images attached to a page?

  - by Zolomon

  If I want to keep an xml file updated with all the images that a user has attched to a page, I shouldn't write create and generate an xml-file everytime someone visits that page (because it would cause too much overhead) - should I create and fill the file when the user attaches new content to the page in the admin console instead?

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• Anyone know a program to automatically dump a bunch of test (dummy) data into a sql database?

  - by naspinski

  I am running SQL Server 2005 and I want to dump some dummy data into a large table with about 50 columns (I did not design it :P) - anyone know a tool to do this automatically? I want the rows to have all sorts of different data, and I would rather not write a script if there is already a tool out there - thanks.

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• How can I use the compile time constant __LINE__ in a string?

  - by John

  I can use __LINE__ as a method parameter just fine, but I would like an easy way to use it in a function that uses strings. For instance say I have this: 11 string myTest() 12 { 13 if(!testCondition) 14 return logError("testcondition failed"); 15 } And I want the result of the function to be: "myTest line 14: testcondition failed" How can I write logError? Does it have to be some monstrosity of a macro?

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• Insert Image on Excel using Open XML

  - by Pankaj

  Hello All I am using this toolkit to write Excel.Every thing is fine with this, but i am not getting how can i inset image and also put style on some rows on my excel http://excelpackage.codeplex.com/wikipage?title=Creating%20an%20Excel%20spreadsheet%20from%20scratch&referringTitle=Home i am using c#

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• Filtering python string through external program

  - by Peter

  What's the cleanest way of filtering a Python string through an external program? In particular, how do you write the following function? def filter_through(s, ext_cmd): # Filters string s through ext_cmd, and returns the result. # Example usage: # filter a multiline string through tac to reverse the order. filter_through("one\ntwo\nthree\n", "tac") # => returns "three\ntwo\none\n" Note: the example is only that - I realize there are much better ways of reversing lines in python.

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• What was your first programming language?

  - by Chris Pietschmann

  When you first started to write program, what was the first programming language you learned? Please don't post repeats. If someone already posted it, just vote for it.

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• MySQL: Question about SELECT WHERE AND/OR

  - by Andrew

  I'm trying to write a query that returns the same result from three different events, but I think I am doing it wrong. I can run my query against one event ID and it works. How can I select all three? Here's what I have so far: SELECT * FROM `Registrations` WHERE `Role` = "Attendee" AND `RegistrationStatus_ID` = "1" AND `DigSignature` IS NULL AND `Event_ID` = "147" OR `Event_ID` = "155" OR `Event_ID` = "160"

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• ANTLR expressions rewrite intermediate tree

  - by user313856

  For expressions like 3+4 I would like to use the value 7 in an intermediate representation tree. I cannot work out how to get the returns value into a rewrite rule. expression returns [int v]: etc. How do I get expression.v into WR? At the moment I get (+ 3 4), I want (7) |^( WRITE c=expression) - ^(WRINT ^(INTC ^($c)) the next step is to emit 7 in an assembler.

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• XMLEncoder in java for serialization

  - by tom

  Im just wondering how i use xmlencoder to serialize ArrayList where foo is my own made class. Do i have to do anything in particular, ie define my own xml structure first and then call toString on each value in my list and write it out? Can anyone point me to a good tutorial? http://java.sun.com/products/jfc/tsc/articles/persistence4/ Thats what i have been looking at but it doesnt seem to mention what to do with non library classes. Thanks

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• Can netezza database handle procedures?

  - by san6086

  Hi I am having Netezza Database. I am querying the tables through DB visualiser. Since my table creation involves complex, I am interested to use procedures but I am unable to write it in DBvisualiser. I am confused whether the problem is with the tool that I use or in Netezza? Please advice

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• Creating an Expando object in Ruby

  - by tyndall

  Is there a better way to write this Expando class? The way it is written does not work. I'm using Ruby 1.8.7 starting code quoted from https://gist.github.com/300462/3fdf51800768f2c7089a53726384350c890bc7c3 class Expando def method_missing(method_id, *arguments) if match = method_id.id2name.match(/(\w*)(\s*)(=)(\s*)(\.*)/) puts match[1].to_sym # think this was supposed to be commented self.class.class_eval{ attr_accessor match[1].to_sym } instance_variable_set("#{match[1]}", match[5]) else super.method_missing(method_id, *arguments) end end end person = Expando.new person.name = "Michael" person.surname = "Erasmus" person.age = 29

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• C preprocessor: using #if inside #define?

  - by Wxy

  I want to write a macro that spits out code based on the boolean value of its parameter. So say DEF_CONST(true) should be expanded into "const", and DEF_CONST(false) should be expanded into nothing. Clearly the following doesn't work because we can't use another preprocessor inside #defines: #define DEF_CONST(b_const) \ #if (b_const) \ const \ #endif Any idea about how to do it?

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• How to give color to your code?

  - by kame

  I have a black color code in Open Office write and want colorize it. How can I do this?

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• Can I divide a scene into two layers of equal sizes ?

  - by srikanth rongali

  I need to divide a scene in to two layers. So that I can write same methods for two layers. So I may get two functionalities. But can I make that ? Is there a possibility in cocos2d? Thank You

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