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• How to Maintain order of insertion using collections

  - by sarah

  I want to add a key,value pair into a hashtable (or any other collection) but have to maintain insertion order. How can I do this? Like I'll add 1 as key "one" as value, 2 as key and "two" as value. The output should be ordered as: 1:one 2:two

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• Unicode filenames on windows in ruby

  - by delivarator

  I have a piece of code that looks like this: Dir.new(path).each do |entry| puts entry end The problem comes when I have a file named ???????.txt in the directory that I list. On a Windows 7 machine I get the output: ???????.txt From googling around, properly reading this filename on windows seems to be an impossible task. Any suggestions?

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• What's a good equivalent to python's subprocess.check_call that returns the contents of stdout?

  - by Chris R

  I'd like a good method that matches the interface of subprocess.check_call -- ie, it throws CalledProcessError when it fails, is synchronous, &c -- but instead of returning the return code of the command (if it even does that) returns the program's output, either only stdout, or a tuple of (stdout, stderr). Does somebody have a method that does this?

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• Select number of rows in all tables in the database

  - by Alex N.

  I wonder if this is possible with straight SQL on MySQL. I need to do SELECT COUNT(*) FROM on each table in the database and output results in one result set. Is it possible to do with just SQL?

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• PowerShell; Use Get-Member to Self Document Nested COM Object

  - by Zion

  Anyone know how to use Get-Member to Recursively dump to a text file The entire properties|methods tree of a COM object? (The Output formatting of Get-Object is fine) Instead of giving me only the top level as in this example; New-Object -com AutoItX3.Control | Get-Member I need it to recurse the entire object to return results. If This is not possible, how would I dump the methods/properties of a sub object?

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• Best practices for handling binary data in Ruby?

  - by StackedCrooked

  What are the best practices for reading and writing binary data in Ruby? In the code sample below I needed to send a binary file using over HTTP (as POST data): f = File.new("resp.der", "r") # binary file begin while true out.syswrite(f.sysread(1)) # out is an output stream (type IO) end rescue EOFError => err puts "Sent response." end While this code seems to do a good job, it probably isn't very idiomatic. How can I improve it?

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• concatenation of all combination from different Lists in c#

  - by shan

  i have a List and i m grouping it into different lists. like:-List("a","b","c","it","as","am","cat","can","bat") 3 list List1:-a,b,c List2:-it,as,am List3:-cat,can,bat how can i concat the all possible combination from this lists. output like: a,it,cat b,it,cat c,it,cat a,am,cat b,am,cat c,am,cat . . . . etc so on...

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• How to handle main option with Getopt

  - by Jérôme

  I want to handle a feature which seems to me almost natural with programs, and I don't know how to handle it with Getopt perl package (no matter Std ot Long). I would like something like: ./perlscript <main option> [some options like -h or --output-file some_name] Options will be handled with - or --, but I want to be able to let the user give me the main and needed option without dashes. Is Getopt able to do that, or do I have to handle it by hand?

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• Formatting dates when serialising an object in C# (2.0)

  - by zoman

  Hi, I'm xml-serializing a object with a large number of properties and I have two properties with DateTime types. I'd like to format the dates for the serialized output. I don't really want to implement the ISerializable interface and overwrite the serialization for every property. Is there any other way to achieve this? (I'm using C#, .NET 2) Thanks.

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• How do I write the function 'twice' in Haskell?

  - by kunjaan

  I want to write 'twice' function that takes a function and an argument and applies the function twice. However the function that it receives should work on union types. eg. f a -> b f b -> c Output twice f a c f a b f b c f c error

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• database assignment

  - by eric

  Hi, Given the following table: CREATE TABLE T1 (A INTEGER NOT NULL); CREATE TABLE T3 (A SMALLINT NOT NULL); INSERT T1 VALUES (32768.5); SELECT * FROM T1; INSERT T3 SELECT * FROM T1; SELECT * FROM T3; What is the output of above query? If any error occured please declare the line of it?Explain your answer!

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• How programmatically extract type description which is shown by intellisense as hint

  - by user362315

  When I type some Class, e.g. Console, then press ctrl+space and intellisense show hint "Class System.Console Represents standart input, output and error streams...." How programmatically get this text. Can't find in google, may be I'm stupid noob. Thanks.

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• Word 2007 Documents in Visual Studio 2010

  - by Will Eddins

  I'm currently using Visual Studio 2010 Professional, and noticed the ability to create Word 2007 and Word 2010 documents with C# code-behinds. What I'm looking to do is fill in a report-type document with information in my C# application, and then output the final .docx. Is this possible using this feature, and how do I go about doing it?

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• Is there some tool to visualize Java class hierarchies and relations?

  - by Niyaz

  Here is my problem: I will provide the source code of my application as input and what I want as output is a visual representation of the relationship between classes, method calls etc. Is there some tool to do this?

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• related to list and file handling?

  - by kaushik

  i have file with contents in list form such as [1,'ab','fgf','ssd'] [2,'eb','ghf','hhsd'] [3,'ag','rtf','ssfdd'] i want to read that file line by line using f.readline and assign thn to a list so as to use it is the prog as a list for using list properties tried like k=[ ] k=f.readline() print k[1] i xpected a result to show 2nd element in the list in first line but it showed the first bit and gave o/p as '1' how to get the xpected output.. please suggest

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• How can I extract URL and link text from HTML in Perl?

  - by anon

  I previously asked how to do this in Groovy. However, now I'm rewriting my app in Perl because of all the CPAN libraries. If the page contained these links: <a href="http://www.google.com">Google</a> <a href="http://www.apple.com">Apple</a> The output would be: Google, http://www.google.com Apple, http://www.apple.com What is the best way to do this in Perl?

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• Create custom event handler occurs when recieve message from keyboard

  - by Rinaldi

  Hi.. i need to know how to create own event handler occurs when we recieve message from keyboard or the button was pressed and then we write output in a textbox...

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• Difference between "and" and "where" in joins

  - by Midhat

  Whats the difference between SELECT DISTINCT field1 FROM table1 cd JOIN table2 ON cd.Company = table2.Name and table2.Id IN (2728) and SELECT DISTINCT field1 FROM table1 cd JOIN table2 ON cd.Company = table2.Name where table2.Id IN (2728) both return the same result and both have the same explain output

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• Time display query in sql

  - by shanks

  I have following data UserID UserName LogTime LogDate 1 S 9:00 21/5/2010 1 S 10:00 21/5/2010 1 S 11:00 21/5/2010 1 S 12:00 21/5/2010 Need Output as:- 1 s 9:00 10:00 21/5/2010 1 s 11:00 12:00 21/5/2010

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• Copying files and dirs on remote server while excluding some of them

  - by llaskin

  Server 1 is connected to Server 2 via SSH. We know this: I can execute a command such as " ssh server2 "cp -rv /var/www /tmp" " which will copy the entire /var/www dir to /tmp. However inside of /var/www we have the following structure(sample LS output below) $ ls /web1 /web2 /web3 file1.php file2.php file3.php How can I execute a cp command that will exclude /web1, /web3, file1.php and file3.php (obviously just copying web2 and file2 is not an option since there are significantly more files than just 6)

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• How to show difference between two strings?

  - by awais

  input: string1="this is a joke.this is not life."; string2="this is not a joke. this is life."; by comparing string1&string 2 we found output: pos8 deleted 4 chars " not" pos28 inserted 4 chars " not"

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• C# Create "wireframe"/3D "map"

  - by Qrew

  How can I produce a similar output in C# window forms in the easiest way? Each individual points should be "editable" by pressing some keys to increment or decrement and navigate trough it with arrow keys. Is there a good library for this purpose?

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• How do I debug a Unity Container "Resolve"?

  - by willem

  I'm using the MS Unity container to do dependency injection, but a "Resolve" is returning unexpected results. Is there an way I can debug this resolution? It would be great if I could view what Types/Instances are registered in the container, but I can't see where this is stored when using QuickWatch. It would also be useful if I could get the container to output some debug Traces. Any suggestions?

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• most widely used python web app deployment style

  - by mete

  I wonder which option is more stable (leaving performance aside) and is more widely used (I assume the widely used one is the most stable): apache - mod_wsgi apache - mod_fcgid apache - mod_proxy_ajp apache - mod_proxy_http for a project that will serve REST services with small json formatted input and output messages and web pages, up to 100 req/s. Please comment on apache if you think nginx etc. is more suitable. Thanks.

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• How do you search the text of changelist descriptions in Perforce?

  - by raven

  On occasion, I find myself wanting to search the text of changelist descriptions in Perforce. There doesn't appear to be a way to do this in P4V. I can do it by redirecting the output of the changes command to a file... p4 changes -l > p4changes.txt ...(the -l switch tells it to dump the full text of the changelist descriptions) and then searching the file, but this is rather cumbersome. Has anyone found a better way?

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