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• Show choosen option in a notification Feed, Django

  - by apoo

  Hey I have a model where : LIST_OPTIONS = ( ('cheap','cheap'), ('expensive','expensive'), ('normal', 'normal'), ) then I have assigned the LIST_OPTIONS to nature variable. nature = models.CharField(max_length=15, choices=LIST_OPTIONS, null=False, blank=False). then I save it: if self.pk: …

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• Polynomial division overloading operator (solved)

  - by Vlad

  Ok. here's the operations i successfully code so far thank's to your help: Adittion: polinom operator+(const polinom& P) const { polinom Result; constIter i = poly.begin(), j = P.poly.begin(); while (i != poly.end() && j != P.poly.end()) { //logic while both iterators are valid if (i->pow > j->pow) {…

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• How to use PropertyCriteria on complex property?

  - by user1394710

  I'm new to EPiSERVER. Currently trying to search for a page with a specific property set to a specific value. I need the property CatalogEntryPoint (a ContentReference) to equal something. Here is the criterea: PropertyCriteria secCriteria = new PropertyCriteria(); secCriteria.Condition = CompareCondition.Equal; …

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• Polynomial division overloading operator

  - by Vlad

  Ok. here's the operations i successfully code so far thank's to your help: Adittion: polinom operator+(const polinom& P) const { polinom Result; constIter i = poly.begin(), j = P.poly.begin(); while (i != poly.end() && j != P.poly.end()) { //logic while both iterators are valid if (i->pow >…

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• Help with a simple switch statement

  - by revive

  I need to find the value of a variable and use it to add a class to a div, based on a switch statement. For example, my variable is $link and if $link has google.com IN IT at all, I need $class to equal 'google', if $link as yahoo.com IN IT at all, $class then needs to equal 'yahoo' So, I need something like this, but I'm not sure…

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• Default values for model fields in a Ruby on Rails form

  - by Callum Rogers

  I have a Model which has fields username, data, tags, date, votes. I have form using form_for that creates a new item and puts it into the database. However, as you can guess I want the votes field to equal 0 and the date field to equal the current date when it is placed into the database. How and where would I set/apply these values…

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• CSS-Specifity and CSS Inheritance (concrete question)?

  - by jens

  Hello, i would by thankful for an official link (and section) of the specification for CSS, that explains if: .one two h1 {color:green;font-family:arial;} /*case 1 */ .one two h1 {color:blue;} /*case 2*/ will result in (when evaluated by the browser) .one two h1 {color:blue;font-family:arial;} /*case 3*/ or will it be: …

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• Which Java-specific annoyance fixed in Scala reduces surprises like the ones discussed in Java Puzzl

  - by soc

  Example: In Java this code falls through and prints "Mhhh..." Integer i = new Integer(1); Integer j = new Integer(1); if (i == j) { System.out.println("Equal"); } else if (i < j) { System.out.println("Smaller"); } else if (i > j) { System.out.println("Bigger"); } else…

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• Stack size on BlackBerry?

  - by nixau

  I know that on Symbian stack size is equal to 8k. What about BlackBerry?

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• Algorithm to fill slots

  - by Peter Lang

  I am searching for an algorithm to fill several slots, which are already filled to some level. The current levels and the available quantity to fill are known Resulting levels should be as equal as possible, but existing level cannot be reduced Slots are filled from left to right, so left slots get higher level if equal…

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• Unable to verify body hash for DKIM

  - by Joshua

  I'm writing a C# DKIM validator and have come across a problem that I cannot solve. Right now I am working on calculating the body hash, as described in Section 3.7 Computing the Message Hashes. I am working with emails that I have dumped using a modified version of EdgeTransportAsyncLogging sample in the Exchange 2010…

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• writing 'remove' function in prolog

  - by Adrian

  I am desperately trying to create a remove function, that will simply remove all items that equal to X from a list. After many changes, this is my code so far: remove([], X, L1). /* when the source list is empty, stop*/ remove([X|T], X, L1) :- remove(T, X, L1). /* when first element in the list equals X, don't…

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• count clicks using actionscript 3.0 in flash

  - by Michael Stone

  I want to change the variable value based on the number of clicks. So if you click the button once, the cCount should equal 1 and twice it should equal 2. Right now all I'm returning for the value is 0, no matter the amount of clicks. Any ideas? btnRaw.addEventListener(MouseEvent.CLICK, flip);…

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• Oracle - Parameterized Query has EXECUTIONS = PARSE_CALLS

  - by Cory Grimster

  We have a .NET application talking to Oracle 10g. Our DBA recently pulled a list of queries where executions is equal to parse_calls. We assumed that this would help us find all of the unparameterized queries in our code. Unexpectedly, the following query showed up near the top of this list,…

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• How to create a function with vectors and vertical asymptote using MATLAB

  - by Pedro J Trinidad

  Plot the function f(x) = 1.5x / x-4 for -10 equal or less than X equal or less than 10. Notice that the function have a vertical asymptote at x = 4. Plot the function by creating two vectors for the domain of x. The first vector (call it x1) with elements from -10 to 3.7, and the second vector…

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• How to make a loop over all keys of a HashMap?

  - by Roman

  I try to do it in the following way: public String getValue(String service, String parameter) { String inputKey = service + ":" + parameter; Set keys = name2value.keySet(); Iterator itr = keys.iterator(); while (itr.hasNext()) { if (inputKey.equal(itr.next())) { …

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• Numeric comparison difficulty in R

  - by Matt Parker

  I'm trying to compare two numbers in R as a part of a if-statement condition: (a-b) >= 0.5 In this particular instance, a = 0.58 and b = 0.08... and yet (a-b) >= 0.5 is false. I'm aware of the dangers of using == for exact number comparisons, and this seems related: (a - b) == 0.5)…

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• Implement functionality in PHP?

  - by Rachel

  How can we Implement Bisect Python functionality in PHP Implement function bisect_left($arr, $item); as a pure-PHP routine to do a binary-bisection search for the position at which to insert $item into $list, maintaining the sort order therein. Assumptions: Assume that $arr is…

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• cocoa - IF failing for double?

  - by Mike

  I have a set of NSTimeIntervals like this: NSArray *mySet = [NSArray arrayWithObjects: [NSNumber numberWithDouble: time1], // [NSNumber numberWithDouble: time2], [NSNumber numberWithDouble: time3], nil]; // suppose that at this time // time1 = 0.00000 // time2 = 18.3200 //…

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• std::string == operator not working

  - by Paul

  Hello, I've been using std::string's == operator for years on windows and linux. Now I am compiling one of my libraries on linux, it uses == heavily. On linux the following function fails, because the == returns false even when the strings are equal (case sensitive wise equal) …

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• IF Statement has strange behavior

  - by BSchlinker

  I've developed a 'custom' cout, so that I can display text to console and also print it to a log file. This cout class is passed a different integer on initialization, with the integer representing the verbosity level of the message. If the current verbosity level is greater then…

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• Compare and find differences in two tables in Oracle

  - by Ruslan

  Hi! i have 2 tables: account: ID, ACC, AE_CCY, DRCR_IND, AMOUNT, MODULE flex: ID, ACC, AE_CCY, DRCR_IND, AMOUNT, MODULE I want to show differences comparing only by: AE_CCY, DRCR_IND, AMOUNT, MODULE and ACC by first 4 characters Example: ID ACC AE_CCY DRCR_IND AMOUNT…

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• mysql left outer join

  - by tirso

  hi to all I have two tables employee and timecard, employee table has fields employee_id,firstname,middlename,lastname and timecard table has fields employee_id,time-in,time-out,tc_date_transaction. I want to select all employee records which have the same employee_id with…

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• Why does C# not implement GetHashCode for Collections?

  - by Peterdk

  I am porting something from Java to C#. In Java the hashcode of a ArrayList depends on the items in it. In C# I always get the same hashcode from a List... Why is this? For some of my objects the hashcode needs to be different because the objects in their list property…

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• C# Help Basic in Matrice

  - by Kai

  C# program to ask from user Input a 2x2 integer matrice and check if the 2x2 is equal integer matrice

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