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• Is there possible in clojure to make a deadlock (or anything bad case) using agents?

  - by hsestupin

  CLojure agents is powerful tool. So actions to the agents are asynchronously sent using functions "send" and "send-off". And in theory there couldn't appear something like deadlock. Is there possible to write some clojure code (for example invoking from some action another action to another agent) using agents in which we have some concurrency problem - it could be deadlock, race condition or anything else. (guys, i'm very sorry for my english)

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• Decimal to Binary recursive method for Java

  - by Tan

  Write a recursive method that converts a decimal number into a binary number as a string. The method header is as follows: public static String convertDecimalToBinary(int value)

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• How can I go about writing to the console in fasm?

  - by codinggoose

  The code I currently have can be found at: http://fasm.pastebin.com/yY3C0aVF I'm exceptionally new to assembly, only picked it up yesterday and I've looked through many an example and still can't figure out for myself how to write to the console. I always get an error when I seem to replicate it in my own way. If I'm not on the right track at all please let me know, also if you can suggest a good book on fasm it would be greatly appreciated.

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• how to create array of a week days name in php

  - by I Like PHP

  i want to create an array of 7 days through php means all 7 days name... i don't want to write ..sunday monday tuesday...etc... and days will be started from sunday .. means if today is 29 march( monday) then it automatically grabs the current date and create an array of days name starting from sunday. array always be in this way $weakarray=("sunday","monday",......,"saturday");

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• SQL Query to return both distinct and total logins from a login table in sql2005

  - by Prescott

  Hey all, I have a table Logins { Id, AccessTime }, I'd like to write a query that returns 3 columns, Total Logins during a time period, Unique Logins for a time period, and the Id of the user. I know I could do this with two passes and a join, is there a better way to do it in a single pass? Thanks, ~P

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• c# : simulate memory leaks..

  - by dotnet-practitioner

  Hi, I would like to write the following code in c#. a) small console application that simulates memory leak. b) small console application that would invoke the above application and release it right away simulating managing memory leak problem.. In other words the (b) application would continuously call and release application (a) to simulate how the "rebellious" memory leak application is being contained with out addressing the root cause which is application (a). Some sample code for application (a) and (b) would be very helpful. Thanks

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• Django database - how to add this column in raw SQL.

  - by alex

  Suppose I have my models set up already. class books(models.Model): title = models.CharField... ISBN = models.Integer... What if I want to add this column to my table? user = models.ForeignKey(User, unique=True) How would I write the raw SQL in my database so that this column works?

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• Cannot change UIImageView frame in a custom table cell.

  - by jkally

  I have a custom table cell. In it I have put (via the IB) an image view of a certain frame In 'cellForRowAtIndexPath', under certain conditions, I would like to modify the frame of this UIImageView, so I write something like: UIImageView *imgv = (UIImageView *)[cell viewWithTag:1]; CGRect r = CGRectMake(20.0, 20.0, 10.0, 10.0); imgv.frame = r; But nothing expected happens (The frame does move a little though not to where I want, but doesn't change its size at all);

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• Unicode format saving to database

  - by sandeep

  I want to write an windows application in c#.net in which I have to save hindi language fonts to the databases and reading them straight away.I have searched lots of websites and read about localization but couldn't make it through.Please help me. Thanks

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• Generic DRM (Distributed resource management) wrapper

  - by Pavel Bernshtam

  I need to write a software, which launches DRM jobs in a customer environment and monitors those jobs status. It should work with various customer environments and DRMs - like LSF, Sun Grid and others. Can you recommend some 3rd party library, which hides DRM differences from me and has API like "launch job", "get list of jobs", "get job status" etc. ? Both Java and native libraries are good for me.

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• How to override a Magento administration panel?

  - by Michelangelo

  Hi guys, I would like to know how have I do to add a field in the customer administration at system-configuration-Customer settings panel. Have I create the system.xml file from the core and paste in the local folder with the same path? and have I maintain all the content of the file or I can write only the portion interested? thanks

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• Why doesn't "cd" work in a bash shell script?

  - by askgelal

  I'm trying to write a small script to change the current directory to my project directory: #!/bin/bash cd /home/askgelal/projects/java I saved this file as proj, changed the chmod, copied it to /usr/bin. When I call it by: proj, it does nothing. What am I doing wrong?

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• When is better to use a parser such as ANTLR vs. writing your own parsing code?

  - by ViralShah

  I need to parse a simple DSL which looks like this: funcA Type1 a (funcB Type1 b) ReturnType c As I have no experience with grammer parsing tools, I thought it would be quicker to write a basic parser myself (in Java). Would it be better, even for a simple DSL, for me to use something like ANTLR and construct a proper grammer definition?

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• Invert WPF GridView to bind items to columns instead of rows

  - by emddudley

  Is there a simple way to invert a WPF GridView so that items are bound to columns instead of rows? Or would it be necessary to write a custom view mode?

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• How do I generate an Array string from an array in memory (php).

  - by Itay Moav

  I need to create a big array in my code, I have the values in several tables (for easy management). I select it and now I have all the values in an array, in memory in the way I want. My problem, I need to write this array down, into the code. Is there a way to take an array which sits in the memory and translate it into a string "array('g'='h','b'='d'....)" which I can then echo and just copy-paste into my code?

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• Bash completion symfony

  - by zimyand

  How can I make symfony completion in bash? Have ubuntu 9.10. It's hard to write own alias. Anyone know where can I find it? I find http://trac.symfony-project.org/wiki/BashCompletion - but it is for symfony 1.1. Is it compatible with 1.4 ?

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• sql user defined function

  - by nectar

  for a table valued function in sql why cant we write sql statements inside begin and end tags like- create function dbo.emptable() returns Table as BEGIN --it throws an error return (select id, name, salary from employee) END go while in scalar valued function we can use these tags like create function dbo.countemp() returns int as begin return (select count(*) from employee) end go is there any specific rule where we should use BEGIN & END tags

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• Is there a way to have three way habtm associations in rails / activerecord?

  - by txwikinger

  Often three (or more) way associations are needed for habtm associations. For instance a permission model with roles. A particular area of functionality has many users which can access many areas. The permissions on the area are setup via roles (habtm) The user/roles association is also habtm The permissions (read, write, delete, etc) are habtm towards roles. How would that be best done with rails/activerecord?

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• Getting every odd variable in a list?

  - by John

  If I make a list in Python and want to write a function that would return only odd numbers from a range 1 to x how would I do that? For example, if I have list [1, 2, 3, 4] from 1 to 4 (4 ix my x), I want to return [1, 3].

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• Set seed on Math.random()

  - by Kevin

  Hi - I need to write some junit tests on java code that calls Math.random(). I know that I can set the seed if I was instantiating my own Random object to produce repeatable results. Is there a way to do this also for Math.random() ?

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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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• MySQL One to Many order by number found in joined table

  - by Finbarr

  Two tables: table_a ------- table_a_id: (primary, int) table_b ------- table_a_id: (index, int, from table_a) table_b_value: (varchar) A one to many relationship between table_a_id and table_b_value. Given a query like this: SELECT DISTINCT(table_a_id) FROM table_a JOIN table_b ON table_a.table_a_id=table_b.table_a_id I want to order by the number of occurrences of table_a_id in table_b. I'm not really sure how to write this in MySQL.

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• Are compilers smart enough to detect a no-op function?

  - by 0x80

  If I write a function like this: void doMaybeNothing() { #ifndef IM_LAZY doSomething(); #endif } Are modern compilers smart enough to detect a no-op function and optimize so that there are no cycles wasted? Or is there always a small performance impact?

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• mysql select records greater than 3 months

  - by fire

  I am trying to write a query to select all records from users table where User_DateCreated (datetime field) is = 3 months from today. Any ideas? Thanks!

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• Which Technology Is More Secure, PERL or PHP? [closed]

  - by Brian

  Hello All I am looking to write an extremely simple "contact us" form that will email the response to me. My two technologies are PERL and PHP. What I am wondering is, which technology is more secure? Any and all opinions will be appreciated. Thanks for reading, and have a great day.

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