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• Regex to find A and not B on a line

  - by Zach

  I'm looking for a regex to search my python program to find all lines where foo, but not bar, is passed into a method as a keyword argument. I'm playing around with lookahead and lookbehind assertions, but not having much luck. Any help? Thanks

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• What is your the worst program/project you have done so far in your programming career?

  - by Bragaadeesh

  Few years before, I attended an interview for a company. I was given a programming assignment and I wrote a code which I thought at that time was perfect. But now after 3 years when I look back, I cannot find a more horrible code than that. Not to indulge in a lengthy subjective argument. But I would like to know what is the worst set of code you've developed/written?

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• Not Possible to Reference self in a Method Declaration?

  - by phasetwenty

  I wanted to write a method with an argument that defaults to a member variable like so: def method(self, arg1=0, arg2=self.member): Apparently this is not allowed. Should I write it a different way, or perhaps use a value of arg2 to signal when to use a different value?

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• Does a syntax for this exist? In any language?

  - by Michael

  It seems pretty common to me to have an argument, in a dynamically typed language that is either an Object or a key to lookup that object. For instance when I'm working with a database I might have a method getMyRelatedStuff(person) All I really need to lookup the related stuff is the id of the person so my method could look like this in python: def getMyRelatedStuff(person_or_id): id = person_or_id.id if isinstance(person,User) else person_or_id #do some lookup Or going the other direction: def someFileStuff(file_or_name): file = file_or_name if hasattr(file,'write') else open(file_or_name)

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• Java slick command line app?

  - by Felix

  Hello Guys, I want to make a slick java commandline app which doesnt include all the nasty "java -jar some.jar arguments" instead, I would have it work just like program -option argument like any other commandline app. I use ubuntu linux, and it would be fine if it included a bit of .sh script or anything. I know I can just create a file with java -jar program.jar and do chmod +x file, afterwards I could run i with ./file, but then how can I pass the arguments to the program ?

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• how can I get around no arrays as class constants in php?

  - by user151841

  I have a class with a static method. There is an array to check that a string argument passed is a member of a set. But, with the static method, I can't reference the class property in an uninstantiated class, nor can I have an array as a class constant. I suppose I could hard code the array in the static method, but then if I need to change it, I'd have to remember to change it in two places. I'd like to avoid this.

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• Should we drop stored procedures and run database calls from java programs.

  - by Doug

  I am fighting to keep the use of stored procedures in our company. There are a few people who say they are bad and we should not use them. We are using DB2 on the i-series. Please help in my argument to keep stored procedures alive in my company.

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• Parsing command line options in Perl

  - by Jay Gridley

  Hi guys, I am parsing command line options in Perl using Getopt::Long. I am forced to use prefix - (one dash) for short commands (-s) and -- (double dash) for long commands (ex. --input=file), but problem is, that there is one special option (-r=) so it is long option for its requirement for argument, but it has to have one dash (-) prefix not double dash (--) like other long options. Is possible to setup Getopt::Long to accept these?

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• SeFocus causing Run time error

  - by code8230

  I am getting: Run-time error '5': Invalid procedure call or argument this seems to happen when Text(1).SetFocus is called. However, I dont see this run time error for all the cases where I have used SetFocus. Just 2-3 places it is causing this error. Text(1).SelStart = 3 Text(1).SelLength = 1 Text(1).SetFocus I tried: Text(1).Enabled = True Text(1).Visible = True just above .SelStart, but it didn't fix the issue.

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• Java, user input to the command line when using Runtime.getRuntime().exec(command);

  - by user1557354

  I dont think this is possible, but I have been using: Process p = Runtime.getRuntime().exec(command); to run commands on the command line, but now I have come accross a situation where the command I am running part way through will ask for some user input, for example a username. This can not be resolved by a argument to the command that is being exec, is there any way I can pass the username to the same command line instance and continue? Thanks in advance.

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• Perl, sub with two lists as arguments

  - by Mike

  Is it possible to pass two lists to a sub in Perl , ex sub Foo { my(@list1,@list2) = @_; } I know I could make @_ two lists, with each sublist being the desired argument, I'm just wondering if there is a cleaner way

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• Django: saving pickled object

  - by pistacchio

  Hi, i have a large dictionary I'd like to save. I have pickled it using cPickle.dumps and saved the result into a TextField. When trying to retrieve it (cPicle.loads) i get the following error: loads() argument 1 must be string, not unicode Does anybody have any experience in serializing python objects and storing them in a DB using Django? Thanks in advance.

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• Why is this simple hello world PHP code not working?

  - by Silva

  class saySomething { var $helloWorld = 'hello world'; function sayHelloWorld($helloWorld) { echo $helloWorld; } } $saySomething = new saySomething(); $saySomething->sayHelloWorld(); the above gives this error: Warning: Missing argument 1 for saySomething::sayHelloWorld(), called in C:\xampp\htdocs\test.php on line 15 and defined in C:\xampp\htdocs\test.php on line 7

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• cast error->System.Windows.Forms.DataGridViewSelectedCellCollection' does not contain a definition f

  - by user361108

  hi friend i m getting that error can any one plz help 'System.Windows.Forms.DataGridViewSelectedCellCollection' does not contain a definition for 'Cast' and no extension method 'Cast' accepting a first argument of type 'System.Windows.Forms.DataGridViewSelectedCellCollection' could be found (are you missing a using directive or an assembly reference?)

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• LINQ: How do I concatenate a list of integers into comma delimited string?

  - by Haoest

  It's probably something silly I missed, but I try to concatenate a list of integers instead of summing them with: integerArray.Aggregate((accumulator, piece) => accumulator+"," + piece) The compiler complained about argument error. Is there a slick way to do this without having to go through a loop?

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• C++: combine const with template arguments

  - by awn

  The following example is working when I manualy replace T wirh char *, but why is not working as it is: template <typename T> class A{ public: A(const T _t) { } }; int main(){ const char * c = "asdf"; A<char *> a(c); } When compiling with gcc, I get this error: test.cpp: In function 'int main()': test.cpp:10: error: invalid conversion from 'const char*' to 'char*' test.cpp:10: error: initializing argument 1 of 'A<T>::A(T) [with T = char*]'

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• How can I retrieve two values from jquery-autocomplete

  - by RedMist

  I need my application to auto-complete on a company name, but also fill in a hidden form field with the ID of that company selected. I believe it's possible to return pair values, with the pipe separator, such as........ Microsoft|10 Oracle|20 Sybase|30 And indeed this seems to work, but I don't know how to access the 2nd argument.

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• Flexible array members in C - bad?

  - by Lionel

  I recently read that using flexible array members in C was poor software engineering practice. However, that statement was not backed by any argument. Is this an accepted fact? (Flexible array members are a C feature introduced in C99 whereby one can declare the last element to be an array of unspecified size. For example: ) struct header { size_t len; unsigned char data[]; };

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• Is it standard behavior for this code to throw a NullPointerException?

  - by Eric

  I've had a big problem in some library code, which I've pinned down to a single statement: System.out.println((String) null); Ok, the code doesn't actually look like that, but it certainly calls println with a null argument. Doing this causes my whole applicaio to throw an unexpected NullPointerException. In general, should println throw this exception under that circumstance, or is this non-standard behavior due to a poor implementation of the out instance?

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• Ninject: How to resolve this dependency?

  - by Rosarch

  I have a class with a public constructor: public MasterEngine(IInputReader inputReader) { this.inputReader = inputReader; graphicsDeviceManager = new GraphicsDeviceManager(this); Components.Add(new GamerServicesComponent(this)); } How can I inject dependencies like graphicsDeviceManager and new GamerServicesComponent while still supplying the argument this?

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• Finding object count where a field is unique in Django

  - by Johnd

  I have a model that is something like this: class Input(models.Model): details = models.CharField(max_length=1000) user = models.ForeignKey(User) class Case(Input): title = models.CharField(max_length=200) views = models.IntegerField() class Argument(Input): case = models.ForeignKey(Case) side = models.BooleanField() A user can submit many arguments, per case. I want to be able to say how many users have submitted side=true arguments. I mean if 1 user had 10 arguments and another user had 2 arguments (both side=true) I'd want the count to be 2, not 12.

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• FORTRAN: determine variable type

  - by tibbs

  hello, GOOGLE has yet to find an answer for me, so here goes: In FORTRAN, is there a way to determine the TYPE of a variable? E.G., pass the variable type as an argument in a function, to then be able to call type-specific code with that fuction; eliminating the need to have seperate similar functions for each data type. thanks.

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• How to Turn Off Annoying Eclipse Console on Windows

  - by engfer

  So I change the -vm argument for eclipse.exe using the elcipse.ini settings file, and now there's an annoying command prompt console (even if I remove the -vm value). Does anyone know how to turn off the console so I only have the eclipse GUI and not the console window? /cry NOTE: On MS WIndows 7

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• C++ operator ','

  - by user286215

  what is result of operator ',' by standard? Last argument? in code like this, for example: int a = 0; int b = 1; while(a,b); or using it like this is not allowed? MSVS thiks that result is b, is it true?

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• How do I define my own operators in the Io programming language?

  - by klep

  I'm trying to define my own operator in Io, and I'm having a hard time. I have an object: MyObject := Object clone do( lst := list() !! := method(n, lst at(n)) ) But when I call it, like this: x := MyObject clone do(lst appendSeq(list(1, 2, 3))) x !! 2 But I get an exception that argument 0 to at must not be nil. How can I fix?

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