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  • Squid logs on mongodb

    - by user306241
    Hi, I'm planning to log my squid instances to a mongodb, but the actual problem is that we have a huge traffic to be logged, every access authenticated with user/pass. Eventually we have to make some reports based on logs. I was thinking to insert the logs distributed by months and by users, so my collection will look like this: {month: 'april', users: [{user: 'loop0', logs: [{timestamp: 12345678.9, url: 'http://stackoverflow.com/question/ask', ... }]}] So if I want to generate my reports based on the month of april I just have to get the right month instead of looking in zillions of lines to fetch the lines that timestamp match between April, 1 and April, 30. Of course this type of insert will be slower than just insert the log line directly. So my question is: is there a best way to do this? Nowadays we have around 12 million lines of log by day.

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  • Perl scraping script not recognising certain characters

    - by user1849286
    I have a script that works fine locally but on the server fails. It displays the non-breaking space symbol &nbsp; as ? when printing to standard output. In the parsing of the page, if I try to get rid of non breaking space symbol with s/&nbsp;//g nothing happens, neither getting rid of the question mark s/?//g It seems to stick no matter what. Bizzarely, this is not an issue when running the script locally. Additionally, question marks within a diamond symbol are inserted everywhere (on both the server script and the local script) instead of apostrophes, although at least that is not causing the parsing of the page to break on the local page. Confused, pls help.

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  • Can you write to a file (on a disk) in JavaScript?

    - by asdfqwer
    I don't wanna come across as a troll, so please excuse my question's demeanor, but I am a novice-intermediate programmer taking a stab at AJAX. While reading up on JavaScript I found it curious that most of the examples I've been drawing on use PHP for such an operation. I know many of you may argue that 'I'm doing it wrong' or 'JavaScript is a client-side language' etc. but the question stands. . .can you write a file in only JavaScript? EDIT: Sorry, just read faq, failed to mention this my first post on Stackoverflow while I hope I'm not sounding argumentative, pompous, or subjective.

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  • How can I create dynamically updated views in a tab bar view, based on settings selection?

    - by Diggers
    Hi all, Noob question.... I've created a Tab Bar application. It has four tabs and works fine. Each view is created with a XIB and is effectively static. Each view takes user input and responds on screen. What I need to be able to do is change the input options the user have - in effect remove some UITextFields dependant upon which option the user selects in settings. I've created root.plist and created settings no problem i've also created additional XIBS for the altered UI, but what I don't know how to do, is call these into the tab view controller on demand. Effectively tab one has 3 possible views, tab two 3 possible views etc. But I only want the one that's relevant for the users settings selction to be displayed? Make sense? For reference, if we call the different views - UIInputViewA1, ...A2,....A3 UIInputViewB1,....B2....B3 etc. Hope someone can help, been trawling the net for nights trying to get my head round this. Beggining iPhone Development Bible doesn't help either. If you need any more info, please shout. Cheers Paul.

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  • When can we say that we have mastered something

    - by Thinking
    I donot know if this is a valid question to ask here or not but I have asked this as because i have the doubt In many interviews , the interviewer ask as how much you want ot rate yourself on a scale of 10 in C#, Jave etc. Some says 6 some 7 .... My question is how to judge where I am standing at present? And when can we say that we have mastered a language or a topic. As everything is huge and everyday we learn something.. so there is no end to it... so how can I judge that? Thanks

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  • web service data type (contract)

    - by cyberguest
    hi, i have a general design question. we have a fairly big data model that represents an clinical object, the object itself has 200+ child attributes in the hierarchy. and we have a SetObject operation, and a GetObject operation. my question is, best practice wise, would it make sense to use that single data model in both operations or different data model for each? Because the Get operation will return much more details than what's needed for Set. an example of what i mean: the data model has say ProviderId, and ProviderName attributes, in the Get operation, both the ProviderId, and ProviderName would need to be returned. However, in the Set operation, only the ProviderId is needed, and ProviderName is ignored by the service since system has that information already. In this case, if the Get and Set operations use the same data model, the ProviderName is exposed even for Set operation, does that confuse the consuming developer?

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  • How to get option value (javascript)

    - by Mahmoud
    Below are the options that i have in my code <label id="subn"> <select name="subs" id="subs"> <option value="nothing">Choose a Subject</option> <option value="General Question">General Question</option> <option value="MemberShip Area">MemberShip Area</option> <option value="Others">Others</option> </select> </label> and i want to create a javascript that well check if the user select a subject other than the first below what i tried using if (document.getElementsByTagName('option') == "nothing"){ document.getElementById("subn").innerHTML = "Subject is Required!"; document.getElementById("subs").focus(); return false; }

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  • is this code correct? [closed]

    - by davit-datuashvili
    hi i have poste this code from this title http://stackoverflow.com/questions/2896363/hi-i-have-question-here-is-pseudo-code-about-sift-up-and-sift-down-on-heaps i have following code of siftup on heap is it correct?i have put here because i have changed at old place my question and it became unreadable so i have posted here public class siftup{ public static void main(String[]args){ int p; int n=12; int a[]=new int[]{15,20,12,29,23,17,22,35,40,26,51,19}; int i=n-1; while (i!=0){ if (i==1) break; p=i/2; if (a[p]<=a[i]){ int t=a[p]; a[p]=a[i]; a[i]=t; } i=p; } for (int j=0;j<n;j++){ System.out.println(a[j]); } } } //result is this 15 20 19 29 23 12 22 35 40 26 51 17 is it correct?

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  • What PHP function(s) can I use to perform operations on non-integer timestamps?

    - by stephenhay
    Disclaimer, I'm not a PHP programmer, so you might find this question trivial. That's why I'm asking you! I've got this kind of timestamp: 2010-05-10T22:00:00 (That's Y-m-d) I would like to subtract, say, 10 days (or months, whatever) from this, and have my result be in the same format, i.e. 2010-04-30T22:00:00. What function(s) do I need to do this in PHP? Note: I'm using this to do a computed field in Drupal. The result will be the date that an e-mail is sent. Bonus question: If 2010-05-10T22:00:00 means "May 10, 2010 at 10pm", is there a timestamp equivalent of "May 10, 2010 (all day)"? Thanks everyone.

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  • Which class will be instanciated

    - by Michael
    Say I have 2 subclasses from UIViewController, class A and class B. In Main nib file an object is representing class A and it is set to load file from Secondary nib file. The owner of Secondary nib is of class B. The question is - from which class an object in Main nib file will be instanciated once the nib files unarchived in the memory? The reason this question arised is that I have to take care myself if such reference to external NIB file present, to ensure that the first nib's object and second nib's owner is same. Please correct me if my statement is wrong.

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  • Why does this Bash regex match return an Exit Status of "2"?

    - by PreservedMoose
    I'm writing a Bash script that needs to scan for the existence of non-ASCII characters in filenames. I'm using the POSIX bracket regex syntax to match the non-ASCII characters, but for some reason, when I test for the match in an if/then statement, the test always returns an Exit Status of 2, and never matches my test string. Here's the code in question: FILEREQ_SOURCEFILE="Filename–WithNonAScII-Charàcters-05sec_23.98.mov" REGEX_MATCH_NONASCII="[^[:ascii:]]" if [[ $FILEREQ_SOURCEFILE =~ $REGEX_MATCH_NONASCII ]]; then echo "Exit Status: $?" echo "Matched!" else echo "Exit Status: $?" echo "No Match" fi This code always returns: Exit Status: 2 No Match I've read and re-read the bash-hackers.org explanation of how regex matching works, as well as this previous question on SO regarding matching non-ASCII characters, but for the life of me, I can't get this to work. What am I missing here?

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  • What is the proper design of storing temporary users? [closed]

    - by Mendy
    In SO site both real users and temporary users can add a new questions. I assume each user type has a different table. My question is how can I attach the question to the right user? I assuming the temp users have their own table from the following reasons: Temp users don't have all the data that real users have. like: email, password, and all users details. On the other hand, temp users are a lot more then real users. So it make more sense to have they in their own table.

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  • Keeping iPhone App private after AppStore approval for beta testing.

    - by Stack
    I have messed around with AD-HOC distribution quite a bit and got it working too. The problem I am facing is all the people who I want to use as beta testers are "normal people" who never even sync their iPhone to iTunes on a computer. So, you can understand how technically challenged these people are, which is fine with me because that is the audience I want to use for testing. All these guys can do for me is if I can give them an AppStore link they will download it on their iPhone and test it for me. So, basically AD-HOC distribution (UDIDs, mobileprovision file and all that crap) is out of question for me. My Question is after AppStore approves my app, is there a way for me to be under the radar so that normal public can not download the app until I am ready. From past experience I know that the moment you put an app out there, in first week you get 100s of downloads and I dont want that to happen until my beta testing is finished.

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  • What is the point of Convert.ToDateTime(bool)?

    - by Paul Alan Taylor
    I was doing some type conversion routines last night for a system I am working on. One of the conversions involves turning string values into their DateTime equivalents. While doing this, I noticed that the Convert.ToDateTime() method had an overload which accepted a boolean parameter. First question? Under what circumstances could this ever be useful? I went a little further and tried to execute the method in QuickWatch. Either way ( true or false ), the routine returns an InvalidCastException. Second question? Why is this method even here?

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  • Linux File Permissions & Access Control Query

    - by Jason
    Hi, Lets say I am user: bob & group: users. There is this file: -rw----r-- 1 root users 4 May 8 22:34 testfile First question, why can't bob read the file as it's readable by others? Is it simply that if you are denied by group, then you are auto-blacklisted for others? I always assumed that the final 3 bits too precedence over user/group permission bits, guess I was wrong... Second question, how is this implemented? I suppose it's linked to the first query, but how does this work in relation to Access Control, is it related to how ACLs work / are queried? Just trying to understand how these 9 permission bits are actually implemented/used in Linux. Thanks alot.

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  • What is better: to delete pointer or set it with a new value?

    - by user63898
    Hi simple question in c++ , say i have a loop and i have function that returns pointer to item so i have to define inner loop pointer so my question is what to do with the pointer inside the loop , delete it ? or to set it with new value is good for example: for(int i =0;i<count();i++) { ptrTmp* ptr = getItemPtr(); // do somthing with the ptr ... // what to do here ? to delete the poinetr or not? delete ptr; // ?? }

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  • Calculate sum of objects for each unique object property in Ruby

    - by macek
    I was helping with an answer in this question and it sparked a question of my own. Pie is an object that has a pieces array made of of PiePiece objects. Each PiePiece has a flavor attribute How do I create a hash that looks like this: # flavor => number of pieces { :cherry => 3 :apple => 1 :strawberry => 2 } This works, but I think it could be improved def inventory hash = {} pieces.each do |p| hash[p.flavor] ||= 0 hash[p.flavor] += 1 end hash end Any ideas?

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  • Removing rows from MySQL table where the timestamp is over one day old?

    - by Rob
    I found the exact same question here. But it isn't working for me. I've modified it a bit, manipulated it, and I can't figure it out. I'm trying to remove rows that are over a day old. Here is my code: if (isset($_POST['prune'])) { $sql = "DELETE FROM logs WHERE time < date('now', '-1 days')"; mysql_query($sql); echo 'Logs older than one day removed.'; } Fairly simple question I suppose, but its bugging the hell out of me. I would appreciate any help. In case it makes a difference, the column is a TIMESTAMP type.

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  • Good Design for Initialization of Static Array

    - by jplot
    I have a question regarding good design in C++. I have a class A, and all objects of this class use an integer array of constant values (they should share the same array, as their values are constant). The array needs to be computed (just once) before any object A. I thought about having another class B which contains the integer array as a static member, an init() method which would fill this array according to some formula and a static boolean flag initialized (if this variable if true then the init() method would do nothing), but I'm not sure this is the best way to solve my design issue. So my question is, what would be a good design/way to accomplish this ? Thanks in advance.

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  • How to add Image On 'more' Button of UITabBarController in iOS 6?

    - by iPatel
    I know That How to add UITabBarController and how it used, I already done it. My Problem is only that I am no able to add image on 'more' button of UITabBarController. I know There are may Question That Similar to my Question but no one can help me. After googling I found that we can't add images on 'More' button in UITabBarController Because more button is autometically displayed by UITabBarController when UITabBarItem more Then 5. I also find that how to change SELECTION COLOR AND TITLE OF 'more' Button But I can not find abut 'more' button Image. So may be i need to Custom UITabBarController so, I also searching for any Custom UITabBarController but also I can not find it. Please help me on this Issue.

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