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• How can I record who borrowed what for our office library?

  - by lrussell

  I am looking for suggestions for a very simple book borrowing system for our office library. For example, should we use an Excel spreadsheet, some email based system, build something ourselves, or is there a web application for this? It just needs to record the title and name of the borrower at a minimum.

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• Read multiple lines from InputStreamReader (JAVA)

  - by eriks

  I have an InputStreamReader object. I want to read multiple lines into a buffer/array using one function call (without crating a mass of string objects). Is there a simple way to do so?

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• What is 'document data store' and 'key-value data store'?

  - by Roman

  What is document data store? What is key-value data store? Please, describe in very simple and general words the mechanisms which stand behind each of them.

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• rails, accepts_nested and has_many :through is creating duplicate entries

  - by Sam

  Hi, I have a store model that has many products with a has_many :through relationship. I have this working with accepts_nested_attributes, but the result is that rails is making duplicate associates. I don't have anything special going on it is a very simple app. Any ideas on why duplicates associates are getting created?

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• Easy way to keeping angles between -179 and 180 degrees

  - by User1

  Is there an easy way to convert an angle (in degrees) to be between -179 and 180? I'm sure I could use mod (%) and some if statements, but it gets ugly: //Make angle between 0 and 360 angle%=360; //Make angle between -179 and 180 if (angle180) angle-=360; It just seems like there should be a simple math operation that will do both statements at the same time. I may just have to create a static method for the conversion for now.

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• how to get right offset of an element? - jQuery

  - by Alex

  This is probably a really simple question, but how do I go about getting the right offset of an element in jQuery? I can do: $("#whatever").offset().left; and it is valid. But it seems that: $("#whatever").offset().right is undefined. So how does one accomplish this in jQuery? Thanks!!

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• How to make .BAT file delete it self after completion?

  - by Ole Jak

  How to make .BAT file delete it self after completion? I have a simple bat file that terminates a process. I want that .BAT file to delete itself

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• Creating a series of vectors from a vector

  - by bluetongue

  I have a simple two vector dataframe (length=30) that looks something like this: > mDF Param1 w.IL.L 1 AuZgFw 0.5 2 AuZfFw 2 3 AuZgVw 74.3 4 AuZfVw 20.52 5 AuTgIL 80.9 6 AuTfIL 193.3 7 AuCgFL 0.2 8 ... I'd like to use each of the rows to form 30 single value numeric vectors with the name of the vector taken from mDF$Param1, so that: > AuZgFw [1] 0.5 etc I've tried melting and casting, but I suspect there may be an easier way?? Thanks in advance BT

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• JQUery validation plugin for checking data availability

  - by kwokwai

  Hi all, I am learning how to use JQuery validation plugin, I got a simple input text field like this: <input type="text" name="username"> But I don't know how to use this plugin to do some data availability tasks. Could you help me please?

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• What is the best way to include a php file as a template?

  - by Jon

  I have simple template that's html mostly and then pulls some stuff out of SQL via PHP and I want to include this template in three different spots of another php file. What is the best way to do this? Can I include it and then print the contents? Example of template: Price: <?php echo $price ?> and, for example, I have another php file that will show the template file only if the date is more than two days after a date in SQL.

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• New to WordPress - How viable is it as a non-blog CMS?

  - by user365898

  I know the huge community of people behind WordPress has pushed it towards full-blown CMS territory over the past couple years, but I'm still unclear as to what extent. Would it be a good option to handle something like a small biz website with simple shopping cart for example?

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• round() for float in C++

  - by Roddy

  I need a simple floating point rounding function, thus: double round(double); round(0.1) = 0 round(-0.1) = 0 round(-0.9) = -1 I can find ceil() and floor() in the math.h - but not round(). Is it present in the standard C++ library under another name, or is it missing??

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• Project to learn J2EE technologies.

  - by Chandra

  Attended a 2 week j2EE course and learnt the concepts. Want to try in a simple project and wanted ideas on what that could be? PetStore or Small Business App are so boring... Anything interesting that can be done to learn the breadth but at the same time it not being a full fledged project?

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• How to return value from function? (translate actionscript to c#)

  - by Ole Jak

  So... I want to return value when C# function is called. I need a code example (simple summ of a,b values will be ok) Please help I need something like this ( I know ActionScript so I will write in it): public function sum(valueA:int, valueB:int):int { var summ:int = valueA + valueB; return summ; } How to translate it into C#?

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• Book with C programs that have real programming examples.

  - by Siamore

  This is my first question on Stack Overflow, I would like to know about any c programming books that have real programs to introduce real problems as opposed to standard books with examples aimed to teach the language it should be sort of like a challenge with solutions so that concepts like recursion can be used i know that i should find solutions to existing problems to learn the language but this is my first attempt and i find it hard to understand some simple problems so i was hoping for a book with solutions.

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• how to number the datas from mysql

  - by udaya

  Hi This is a doubt on mysql select query let me axplain my doubt with a simple example consider this is my query SELECT dbCountry from tableCountry tableCountry has fields dbCuntryId dbCountry and dbState I have the result as dbCountry india america england kenya pakisthan I need the result as 1 india 2 america 3 england 4 kenya 5 pakisthan the numbers 12345 must be generated with the increase in data and itis not a autoincrement id How can i get it is it something like loop

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• Is Amazon S3 worth the hassle ?

  - by asksuperuser

  I've looked at amazon S3 and still don't understand what's worth. Storing through webservice compared to simple ftp ? Also the price is huge compared to normal hosting provider. So why would I want to use Amazon S3 ?

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• sql: self-joins explained

  - by every_answer_gets_a_point

  i dont understand the need for self-joins. can someone please explain them to me? a simple example would be very helpful

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• An interesting issue about mysql_real_escpae_string

  - by phpExe

  I have simple form for editting site content: - a text input for title - a textarea for content When adding content, there is no problem, allthings add normally: $chead = mysql_real_escape_string(stripslashes($_POST['chead'])); $ctext = mysql_real_escape_string(stripslashes($_POST['ctext'])); But when edittig the article that containig the $chead = 'sdsfsf' "sdgsdgs"ggdsfsdg The $chead = 'sdsfsf' and the "sdgsdgs"ggdsfsdg will be lost!!! What is the problem with mysql_real_escpae_string? Thanks

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• Child segmentation fault when doing SOAP request in php 5.1.6

  - by user350691

  I get a "[notice] child pid 26701 exit signal Segmentation fault (11)" in apache log when I try to do a simple soap request using standard php soap library. I'm running php 5.1.6 on Centos 5.4

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• Is there an easy way to develop with Swing Application Framework (JSR 296) AND Jython?

  - by TheSource

  I'm learning Jython. I developed a simple Swing Application with Jython and it's ok. Now I would to use the Swing Application Framework (JSR 296). I did not find any example in Internet.

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• trace() not working. Flash

  - by Nitesh Panchal

  Hello, I chose new actionscript file(3.0) and wrote as simple as trace("Hello World");, but it is not working. I have flash player 10 and i also made sure i have not checked omit trace statements in publish settings. Where am i going wrong? Please help.

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• regular expression - function body extracting

  - by Altariste

  Hi, In Python script,for every method definition in some C++ code of the form: return_value ClassName::MethodName(args) {MehodBody} ,I need to extract three parts: the class name, the method name and the method body for further processing. Finding and extracting the ClassName and MethodName is easy, but is there any simple way to extract the body of the method? With all possible '{' and '}' inside it? Or are regexes unsuitable for such task?

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• upload 2 images at once in codeigniter

  - by sonill

  can anyone plz provide me a simple working code snippet of codeigniter for uploading 2 images at once (through 2 different input field ofcourse). I need 2 images to be uploaded at once, or one after another. and both of the images need to be in different location. I tried to make it myself by calling upload function twice but it returned last images with these extentions: *.jpg.jpg. can anyone help

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• What is wrong in this code?

  - by nepc

  The is a very simple echo statement but I can't solve it? echo '"What is your name?'";

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