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  • _REQUIREDNAME always nil

    - by Nali4Freedom
    I'm trying to use the method for naming a lua package after the filename mentioned here, however _REQUIREDNAME is never defined. For example I have these two files samplePackage.lua: print("_REQUIREDNAME: ", _REQUIREDNAME) return nil; packageTest.lua: require "samplePackage" And when I run packageTest.lua it outputs > _REQUIREDNAME: nil I also couldn't find any mention of _REQUIREDNAME in the Lua 5.1 Refrence manual, so was this removed from the language, or am I missing something?

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  • What ways are there to edit a function in R?

    - by Tal Galili
    Let's say we have the following function: foo <- function(x) { line1 <- x line2 <- 0 line3 <- line1 + line2 return(line3) } And that we want to change the second line to be: line2 <- 2 How would you do that? One way is to use fix(foo) And change the function. Another way is to just write the function again. Is there another way? (Remember, the task was to change just the second line)

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  • Invoking a function of library libfprint in Python

    - by Ivanelson
    I need help to call a function(Struct C) that detects the devices, so I'm calling the function this way: from ctypes import * fp = CDLL('./libfprint.so.0') fp.fp_discover_devs.argtypes = None fp.fp_discover_devs.restype = c_char_p ret = fp.fp_discover_devs() print ret # is "0" That is not detected any device, because the return is "0". See the documentation of the function: I'm using Ubuntu and I downloaded the "fprint_demo" and works perfectly. Did you install any package missing? Thanks.

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  • C character from string shortcut

    - by Jay
    In javascript I am used to just being able to pick any character from a string like "exm[2]" and it would return to me the third character in a string. In C is there a way to do that or something without a function that requires a buffer?

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  • What to prefer in the following case?

    - by GK
    say suppose I have class as : public class Age { private int age; public int getAge() { return this.age; } } In my Main class I am calling the getAge() method many times. So I wanted to know is it advisable to call so many times or call once and assign it to some variable and use that variable. Which is best and why?

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  • How to index small words (3 letters) with SQL Full-text search?

    - by Sly
    I have an Incident table with one row that has the value 'out of office' in the Description column. However the following query does not return that row. SELECT * FROM Incident WHERE CONTAINS( (Incident.Description), '"out*"' ) The word 'out' is not in the noise file (I cleared the noise file completely). Is it because SQL Full-text search does not index small words? Is there a setting for that? Note: I'm on SQL 2005.

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  • Side-by-side comparison of data by month in SQL

    - by ScottR
    I have table similar to the following: Year | Product | Value 2006 A 10 2006 B 20 2006 C 30 2007 A 40 2007 B 50 2007 C 60 I would like a query that would return the following comparison Product | 2006 Value | 2007 Value A 10 40 B 20 50 C 30 60 What are the options to do so? Can it be done without joins? I'm working with DB2, but answers in all SQL types would be helpful.

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  • How can i optimize this python code

    - by RandomVector
    def maxVote(nLabels): count = {} maxList = [] maxCount = 0 for nLabel in nLabels: if nLabel in count: count[nLabel] += 1 else: count[nLabel] = 1 #Check if the count is max if count[nLabel] > maxCount: maxCount = count[nLabel] maxList = [nLabel,] elif count[nLabel]==maxCount: maxList.append(nLabel) return random.choice(maxList) nLabels contains a list of integers. The above function returns the integer with highest frequency, if more than one have same frequency then a randomly selected integer from them is returned. E.g. maxVote([1,3,4,5,5,5,3,12,11]) is 5

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  • fast load big object graph from DB

    - by Famos
    Hi I have my own data structure written in C# like: public class ElectricScheme { public List<Element> Elements { get; set; } public List<Net> Nets { get; set; } } public class Element { public string IdName { get; set; } public string Func { get; set; } public string Name { get; set; } public BaseElementType Type { get; set; } public List<Pin> Pins { get; set; } } public class Pin { public string IdName { get; set; } public string Name { get; set; } public BasePinType PinType { get; set; } public BasePinDirection PinDirection { get; set; } } public class Net { public string IdName { get; set; } public string Name { get; set; } public List<Tuple<Element,Pin>> ConnectionPoints { get; set; } } Where Elements count ~19000, each element contain =3 Pin, Nets count ~20000, each net contain =3 pair (Element, Pin) Parse txt (file size ~17mb) file takes 5 minutes. Serilization / Deserialization by default serializer ~3 minutes. Load from DB 20 minutes and not loaded... I use Entity Framework like public ElectricScheme LoadScheme(int schemeId) { var eScheme = (from s in container.ElectricSchemesSet where s.IdElectricScheme.Equals(schemeId) select s).FirstOrDefault(); if (eScheme == null) return null; container.LoadProperty(eScheme, "Elements"); container.LoadProperty(eScheme, "Nets"); container.LoadProperty(eScheme, "Elements.Pins"); return eScheme; } The problem is dependencies between Element and Pin... (for ~19000 elements ~95000 pins) Any ideas?

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  • how can we set the property of Viewstate?

    - by subodh
    I am using a enum public enum WatchUsageMode { Watch = 1, EmailPreferences = 2 } i want to set the property of that enum in my view state in such a way that whenever view state is null return Watch else EmailPreference.how can i set the property?

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  • How do you create domain.com/?stringhere without a .php extention

    - by matt
    I want to create a link like the following: http://www.myurl.com/?IDHERE What i want to be able to do is be able to goto the above link, and then pull whats after the ? (in this case IDHERE) and be able to use that information to perform a MySQL lookup and return a page. Can anyone point me into the right direction? please know this is using PHP not ASP

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  • MySQL - generate numbers for groups of a result

    - by FreeIX
    I need a query to return this result: +---------+-----+-------+ | ref_nid | nid | delta | +---------+-----+-------+ | AA | 97 | 1 | | BB | 97 | 2 | | CC | 97 | 3 | | DD | 98 | 1 | | EE | 98 | 2 | | FF | 98 | 3 | +---------+-----+-------+ However, I do not have the delta column. I need to generate it for each nid group. In other words, I need an auto incremented number for each group of the result.

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  • Rendering a View without a Master Page

    - by Fauxide
    Heya, I'm fetching a page using ajax (jquery) and appending certain data to the Requests query string to let the server know it shouldn't render the entire Page, just the view in question to the output buffer. I'm having no luck though, I can detect when the page needs to be rendered partially, but everything I've tried so far (including stuff like return PartialView()) isn't working. Any ideas? Thanks in advance.

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  • Heuristic for sliding tile problem.

    - by MustDash
    The idea is to move all of the right elements into the left and the left into the right with an empty space in the middle. The elements can either jump over one or two pieces into an empty space. LLL[ ]RRR I'm trying to think of a heuristic for this task. Is the heuristic meant to aid in finding a possible solution, or actually return a number of moves as the solution? How would I express such a heuristic?

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  • Javascript Function Definitions

    - by Pierreten
    I was wondering why the Vector variable defined within this self executing javascript function doesn't require a var before it? Is this just some other type of syntax for creating a named function? Does this make it so we can't pass Vector as an argument to other functions? (function() { Vector = function(x, y) { this.x = x; this.y = y; return this; }; //...snip })()

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  • Logging in to a website cURL!

    - by uknowho_freeman
    I am using cURL for the first time. I need to login to a site. I have problem with setting cookie file and to retrive, so that i can acces that page not just one time, but several times. I found the code on the web, for logging in to a site and Scrap a page for some detailed info, cause to get that page it takes to much time. so i just want to know if it is OK! the code belove(it is just for login in the code for Scraping its not ready) <?php curl_login('http://mywantedsite.com/login.php','user=******&pass=******','','off'); echo curl_grab_page('http://mywantedsite.com/somepage.php','','off'); function curl_login($url,$data,$proxy,$proxystatus){ $fp = fopen("cookie.txt", "w"); fclose($fp); $login = curl_init(); curl_setopt($login, CURLOPT_COOKIEJAR, "cookie.txt"); curl_setopt($login, CURLOPT_COOKIEFILE, "cookie.txt"); curl_setopt($login, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)"); curl_setopt($login, CURLOPT_TIMEOUT, 40); curl_setopt($login, CURLOPT_RETURNTRANSFER, TRUE); if ($proxystatus == 'on') { curl_setopt($login, CURLOPT_SSL_VERIFYHOST, FALSE); curl_setopt($login, CURLOPT_HTTPPROXYTUNNEL, TRUE); curl_setopt($login, CURLOPT_PROXY, $proxy); } curl_setopt($login, CURLOPT_URL, $url); curl_setopt($login, CURLOPT_HEADER, TRUE); curl_setopt($login, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); curl_setopt($login, CURLOPT_FOLLOWLOCATION, TRUE); curl_setopt($login, CURLOPT_POST, TRUE); curl_setopt($login, CURLOPT_POSTFIELDS, $data); ob_start(); // prevent any output return curl_exec ($login); // execute the curl command ob_end_clean(); // stop preventing output curl_close ($login); unset($login); } function curl_grab_page($site,$proxy,$proxystatus){ $ch = curl_init(); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); if ($proxystatus == 'on') { curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, TRUE); curl_setopt($ch, CURLOPT_PROXY, $proxy); } curl_setopt($ch, CURLOPT_COOKIEFILE, "cookie.txt"); curl_setopt($ch, CURLOPT_URL, $site); ob_start(); // prevent any output return curl_exec ($ch); // execute the curl command ob_end_clean(); // stop preventing output curl_close ($ch); }

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  • Matching Strings: a biological perspective

    - by sun
    Write a function, called constrainedMatchPair which takes three arguments: a tuple representing starting points for the first substring, a tuple representing starting points for the second substring, and the length of the first substring. The function should return a tuple of all members (call it n) of the first tuple for which there is an element in the second tuple (call it k) such that n+m+1 = k, where m is the length of the first substring. Complete the definition def constrainedMatchPair(firstMatch,secondMatch,length):

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  • Java: equivalent to C's strnicmp? (both startsWith and ignoreCase)

    - by Jason S
    String string1 = "abCdefGhijklMnopQrstuvwYz"; String string2 = "ABC"; I had been using string1.startsWith(string2), which would return false in the above example, but now I need to ignore case sensitivity, and there is not a String.startsWithIgnoreCase(). Besides doing string1.toLowerCase.startsWith(string2.toLowerCase()); is there an efficient way to see if string1 starts with string2 in a case-insensitive way?

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  • How do I find matching values in a generic list

    - by TDDG
    I have anywhere from 5 to 10 generic list in an ASP.NET VB.NET web app. I would like to write a method to pass them all into, and return only the elements they all have in common. I'm looking for some ideas how to accomplish this the easiest and cleanest way possible.

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