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  • Organising dates in PHP

    - by richzilla
    Hi All, Im wanting to organize a series of dates in the following format. As a bit of context, the dates are the dates of upcoming events that can be added by my users. The format: January 2011 date - event date - event date - event February 2011 date - event date - event date - event with all events in a given month, arranged by the date on which they occur. All of my event dates are stored in my database as unix timestamps. Problem is, i dotn know where id start to develop a function that would order all of my events in this way. Can anyone help me out? Cheers

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  • LEFT OUTER JOIN in NHibernate with SQL semantics

    - by Yuval
    Hi, Is it possible to use HQL/ICritera to produce a query with the same semantics as the following SQL query: select table1.A, table2.B, count(*) from table1 left join (select table2.parent_id, table2.B from table2 where table2.C = 'Some value') as table2 on table2.parent_id = table1.id group by table1.A, table2.B order by table1.A In particular, what I'd like is to receive rows (that is, objects) from table1 that have no matching rows in table2. However, I only get the rows from table1 that have matches in table2. Is this the meaning of 'LEFT JOIN' in HQL? And if so, how can I get it to join on a subquery? Tnx.

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  • Jersey (Jax-RS) & EL

    - by smeg4brains
    Hi there! im trying to get a controller to return a view through a Expression Language-Filter, but have no idea on how to get jersey to use EL for filtering a view. View with EL-tags: <html> <title>%{msg}</title> </html> Controller: @GET @Produces("text/html") public Response viewEventsAsHtml(){ String view=null; try { view=getViewAsString("events"); }catch(IOException e){ LOG.error("unable to load view from file",e); return null; } Response.ResponseBuilder builder=Response.ok(view, MediaType.TEXT_HTML); return builder.build(); } How would one go about in order to get the controller to replace the ${msg} part in the view by some arbitrary value?

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  • MySQL top count({column}) with a limit

    - by Josh K
    I have a table with an ip address column. I would like to find the top five addresses which are listed. Right now I'm planning it out the following: Select all distinct ip addresses Loop through them all saying count(id) where IP='{ip}' and storing the count List the top five counts. Downsides include what if I have 500 ip addresses. That's 500 queries I have to run to figure out what are the top five. I'd like to build a query like so select ip from table where 1 order by count({distinct ip}) asc limit 5

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  • Basics for implementing SSL on PHP Website

    - by KoolKabin
    Hi guys, I am here as a developer of a website. My website got different modules among which one function is to process credit card. In order to process credit card I need to implement SSL layer and process the pages. For rest of modules the SSL is optional. Now my points are: 1.) Is the location of file for http and https same? 2.) Can the session of http and https be shared? this is required as i need user login information and cart item information.

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  • Flash, parameters, security

    - by Quandary
    Hi, I have a question: In Flash, I have the ability to save certain info onto the server. Now the problem is the user needs to be authenticated as admin in order to do so. I can't use sessions, since if you work longer than 20 minutes in the Flash application, the session is gone. The way I see it, I have 2 possibilities: 1. passing a parameter (bIsAdmin) to Flash from the Website. 2. Launch a http-get request, to get this value (bIsAdmin) from an ashx handler on application startup, when the session has not yet exired. In my opinion, both possibilities are not really secure... So, Which one is safer, 1 or 2? Or does anybody have a better idea ? In my opinion, 1 is safer, because with 2, you can just switch a packet tamperer in between, and bang, you're admin, with permission to save (or overwrite, =delete) anything.

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  • comparing two angles

    - by Elazar Leibovich
    Given four points in the plane, A,B,X,Y, I wish to determine which of the following two angles is smaller ?ABX or ?ABY. I'd rather not use cos or sqrt, in order to preserve accuracy. In the case where A=(-1,0),B=(0,0), I can compare the two angles ?ABX and ?ABY, by calculating the dot product of the vectors X,Y, and watch it's sign. What I can do in this case is: Determine whether or not ABX turns right or left If ABX turns left check whether or not Y and A are on the same side of the line on segment BX. If they are - ?ABX is a smaller than ABY. If ABX turns right, then Y and A on the same side of BX means that ?ABX is larger than ?ABY. But this seems too complicated to me. Any simpler approach?

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  • Good way to capture/replay sessions from Apache Log?

    - by Mark Harrison
    For performance testing, I would like to capture some traffic from a production server and use that as a basis to replay the request to a test server in order to simulate a realistic load in our development environment. These are all stateless queries, so no issues regarding cookies, sessions, etc. The Apache log timestamps everything down to a 1 second resolution, but that's not fine enough granularity for our peak times. What's the best way to capture more fine-grained timestamps for replay? And is there some ab-like load generating program that can use this data to replicate load?

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  • Get foreign key in external content type to show up in list view

    - by Rob
    I have come across blogs about how to setup an external content type (e.g. http://www.dotnetmafia.com/blogs/dotnettipoftheday/archive/2010/02/02/it-s-easy-to-configure-an-external-list-with-business-connectivity-services-bcs-in-sharepoint-foundation-2010.aspx) but I have not seen any examples of what to do when your external SQL DB has foreign keys. For example. I have a database that has orders and customers. An order has one and only one customer and a customer can have many orders. How can I setup external content types in such a way that when in the list view of these external content types, I can jump between and possible lookup values to that other type?

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  • Rails transaction: save data in multiple models.

    - by smotchkkiss
    my models class Auction belongs_to :item belongs_to :user, :foreign_key => :current_winner_id has_many :auction_bids end class User has_many :auction_bids end class AuctionBid belongs_to :user end current usage An item is displayed on the page, the user enters an amount and clicks bid. Controller code might look something like this: class MyController def bid @ab = AuctionBid.new(params[:auction_bid]) @ab.user = current_user if @ab.save render :json => {:response => 'YAY!'} else render :json => {:response => 'FAIL!'} end end end desired functionality This works great so far! However, I need to ensure a couple other things happen. @ab.auction.bid_count needs to be incremented by one. @ab.user.bid_count needs to be incremented by one @ab.auction.current_winner_id needs to be set to @ab.user_id That is, the User and the Auction associated with the AuctionBid need values updated as well in order for the AuctionBid#save to return true.

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  • What is the length of time to send a list of 200,000 integers from a client's browser to an internet

    - by indiehacker
    Over the connections that most people in the USA have in their homes, what is the approximate length of time to send a list of 200,000 integers from a client's browser to an internet sever (say Google app engine)? Does it change much if the data is sent from an iPhone? How does the length of time increase as the size of the integer list increases (say with a list of a million integers) ? Context: I wasn't sure if I should write code to do some simple computations and sorting of such lists for the browser in javascript or for the server in python, so I wanted to explore this issue of how long it takes to send the output data from a browser to a server over the web in order to help me decide where (client's browser or app engine server) is the best place for such computations to be processed.

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  • Setting Application.Handle as a top-level window' owner

    - by Serg
    I want the main form to appear above some other application forms (in z-order), so I override CreateParams method for these forms as follows: procedure TForm3.CreateParams(var Params: TCreateParams); begin inherited; Params.WndParent:= Application.Handle; end; I know the Application.Handle was the top-level windows' owner before Vista (and Delphi 2007). What is wrong with it in Vista (and Windows 7)? What potential problems may arise if I set Application.Handle as a top-level window owner?

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  • Algorithm: efficient way to remove duplicate integers from an array

    - by ejel
    I got this problem from an interview with Microsoft. Given an array of random integers, write an algorithm in C that removes duplicated numbers and return the unique numbers in the original array. E.g Input: {4, 8, 4, 1, 1, 2, 9} Output: {4, 8, 1, 2, 9, ?, ?} One caveat is that the expected algorithm should not required the array to be sorted first. And when an element has been removed, the following elements must be shifted forward as well. Anyway, value of elements at the tail of the array where elements were shifted forward are negligible. Update: The result must be returned in the original array and helper data structure (e.g. hashtable) should not be used. However, I guess order preservation is not necessary. Update2: For those who wonder why these impractical constraints, this was an interview question and all these constraints are discussed during the thinking process to see how I can come up with different ideas.

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  • Authenticating stackoveflow programatically - OpenID

    - by Ben Reeves
    I would like to add up and down voting to my iPhone appilcation - MyStacks, for this I need the to be able to authenticate the user with SO. I'm look at adapting the Twitter-OAuth-iPhone library. However The problem I have is obtaining the consumer and secret key. to use OAuth, do I need to obtain a different key for each provider? In order to obtain a consumer key from google the application needs to have a domain name, but this being an iPhone app of course i don't have one, does this mean that I can't use OAuth? Is there any other way to programatically authenticate SO? Thanks, Ben

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  • XML creation using DOM and MYSQL

    - by dbomb101
    I am trying to create a XML document from information extracted from a mysql table. I am using a tutorial to accomplish this http://www.tonymarston.net/php-mysql/dom.html#a5 what I want to do is to create each element separately, instead of creating them all at once as shown in the tutorial. In order to do that I am trying to place the specific field name into the foreach loop below, any help would be greatly appreciated. foreach ($row as where fieldname should go => $row['artistname']) { $artval = $doc->createTextNode($row['artistname']); $artval = $chil->appendChild($val); }

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  • metaclass multiple inheritance inconsistency

    - by Matt Anderson
    Why is this: class MyType(type): def __init__(cls, name, bases, attrs): print 'created', cls class MyMixin: __metaclass__ = MyType class MyList(list, MyMixin): pass okay, and works as expected: created <class '__main__.MyMixin'> created <class '__main__.MyList'> But this: class MyType(type): def __init__(cls, name, bases, attrs): print 'created', cls class MyMixin: __metaclass__ = MyType class MyObject(object, MyMixin): pass Is not okay, and blows up thusly?: created <class '__main__.MyMixin'> Traceback (most recent call last): File "/tmp/junk.py", line 11, in <module> class MyObject(object, MyMixin): pass TypeError: Error when calling the metaclass bases Cannot create a consistent method resolution order (MRO) for bases object, MyMixin

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  • PHP: Type hints for fields with Eclipse PDT

    - by Silvio Donnini
    Using Eclipse + PDT, I know that you can specify the return type of a method or the type of a variable within a method via type hints. How about class fields? Can I declare the type of a field in order to enable autocompletion for that variable? I tried something on the lines of: class MyClass { protected $Field; /* @var $Field MyType */ ... but it doesn't work. Is there a way to achieve autocompletion of class fields with Eclipse and PDT? thanks, Silvio

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  • How can I Convert XML to an Object using Spring 3.0 mvc while making RESTful request

    - by brock
    Hi, I'm using the Spring 3.0 RC1 framework and I'm currently testing out Spring mvc. I wanted to use Spring mvc to handle restful requests. I have set up my controller to handle the URI request. I am passing in xml with the request. So on the controller I have a method like follows: public void request(RequestObject request) { doSomething(); } I am having a hard time converting the xml to the RequestObject. I haven't seen much documentation on this and I was wondering if anyone could point me in the right direction. I'm guess that you would have to annotate the RequestObject using JAXB or something in order to tell Spring to convert the xml file to RequestObject but I'm not sure. Thanks for all of your help!!

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  • Microcontroller to Microcontroller SPI communication

    - by onaclov2000
    Hello again, I was doing some reading and have even gotten a "master" SPI working on my microcontroller. Here is my question, basically if the master wants to initialize a write to the slave we write to the SSPBUF, how do we control what the slave responds with? The datasheet doesn't seem really clear to me the order of events in that case. I.E. Master puts a char into the SSPBUF, this initiates the SPI module to send data to the slave, during the shift, the slave returns a byte. In the slave side, is there something that tells you you have incoming data, and you can write to your SSPBUF first, THEN accept the data? OR Do you have to write to the SSPBUF the first "return value" you want sent back before the master can have an opportunity to initiate a transfer?

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  • Unable to save to wincache from cakePHP shell

    - by Phillaf
    I'm trying to retrieve the weather from wunderground.com through their API, and store it in wincache. For testing purposes I made this function in the News model: public function updateWeather(){ $results = file_get_contents('http://api.wunderground.com/api/**api_key**/conditions/q/CA/Montreal.json'); $results = json_decode($results); return Cache::write('weather', $results); } It works fine when I call this from the controller. However, I can't figure why that same function doesn't work when called from the console. I made this shell in order to eventually add this to windows task scheduler. class WeatherShell extends AppShell { public $uses = array('News'); public function main() { $this->News->updateWeather(); } } When running this, I see that $results is correctly populated. I get 'true' from Cache::write(), however, I get 'false' when trying to read. What subtlety am I missing?

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  • Sorting nested hash in ruby

    - by Rabbott
    Provided the following ruby hash: { cat: { 1: 2, 2: 10, 3: 11, 4: 1 }, wings: { 1: 3, 2: 5, 3: 7, 4: 7 }, grimace: { 1: 4, 2: 5, 3: 5, 4: 1 }, stubborn: { 1: 5, 2: 3, 3: 7, 4: 5 } } How can I sort the hash by the sum of 'leaf' excluding "4", for instance the value to compare for "cat" would be (2 + 10 + 11) = 23, the value for "wings" would be (3 + 5 + 7) = 15 so if I was comparing just those two they would be in the correct order, highest sum on top. It is safe to assume that it will ALWAYS be {1: value, 2: value, 3: value, 4: value} as those are keys for constants I have defined. It is also safe to assume that I will only ever want to exclude the key "4", and always use the keys "1", "2", and "3"

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  • Optimize SQL with Interbase

    - by Roland Bengtsson
    I was inspired by the good answers from my previous question about SQL. Now this SQL is run on a DB with Interbase 2009. It is about 21 GB in size. SELECT DistanceAsMeters, Bold_Id, Created, AddressFrom.CityName_CO as FromCity, AddressTo.CityName_CO as ToCity FROM AddrDistance LEFT JOIN Address AddressFrom ON AddrDistance.FromAddress = AddressFrom.Bold_Id LEFT JOIN Address AddressTo ON AddrDistance.ToAddress = AddressTo.Bold_Id Where DistanceAsMeters = 0 and PseudoDistanceAsCostKm = 0 and not AddrDistance.bold_id in (select bold_id from DistanceQueryTask) Order By Created Desc There are 840000 rows with AddrDistance 190000 rows with Address and 4 with DistanceQueryTask. The question is, can this be done faster? I guess, the same query is run many times select bold_id from DistanceQueryTask. Note that I'm not interested in stored procedures, just plain SQL :)

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  • Implementing a "special" Access database to Expression Web

    - by Newbie
    I have just got an answer to my question about combining the result of a SQL. This was done with "ConcatRelated". Now I want to implement this in Expression Web 3. The SQL's I used in Access: SELECT land.id, land.official_name, vaksiner.vaksiner FROM land INNER JOIN (vaksiner INNER JOIN land_sykdom ON vaksiner.id = land_sykdom.sykdom) ON land.kort = land_sykdom.land ORDER BY land.official_name; and SELECT DISTINCT id, official_name, ConcatRelated("vaksiner","qryVaksinerRaw","id = " & [id]) AS vaksiner FROM qryVaksinerRaw; The last is saved as vaksine_query This is the SQL that I want to add to Expression Web: SELECT vaksine_query.id, vaksine_query.official_name, vaksine_query.vaksiner FROM vaksine_query WHERE vaksine_query.id="?"; Expression Web gives me the error message "Undefined function 'ContactRelated' in expression.

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  • NHibernate.Linq to Criteria API translation help needed

    - by Arnis L.
    I'm not sure how to add paging to this: Session.Linq<Article>() .Where(art => art.Tags.Any(t => t.Name == tag)).ToList(). So i decided to use Criteria API. var rowCount = Session.CreateCriteria(typeof(Article)) .SetProjection(Projections.RowCount()).FutureValue<Int32>(); var res = Session.CreateCriteria(typeof(Article)) .Add(/* any help with this? :) */) .SetFirstResult(page * pageSize) .SetMaxResults(pageSize) .AddOrder(new Order("DatePublish", true)) .Future<Article>(); totalCount = rowCount.Value; Any help appreciated.

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  • Gravity Sort : Is this possible programatically?

    - by Bragaadeesh
    Hi, I've been thinking recently on using the Object Oriented design in the sorting algorithm. However I was not able to find a proper way to even come closer in making this sorting algorithm that does the sorting in O(n) time. Ok, here is what I've been thinking for a week. I have a set of input data. I will assign a mass to each of the input data (assume input data a type of Mass). I will be placing all my input data in the space all at same distance from earth. And I will make them free fall. According to gravitational law, the heaviest one hits the ground first. And the order in which they hit will give me the sorted data. This is funny in some way, but underneath I feel that this should be possible using the OO that I have learnt till date Is it really possible to make a sorting technique that uses gravitational pull like scenario or am I stupid/crazy?

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