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• Filtering out emoticons using sed

  - by user349222

  Hello, I have a grep expression using cygwin grep on Win. grep -a "\\,,/\|\\m/\|\\m/\\>\.</\\m/\|:u" all_fbs.txt > rockon_fbs.txt Once I identify the emoticon class, however, I want to strip them out of the data. However, the same regexp above within a sed results in a syntax error (yes, I realize I could use /d instead of //g, but this doesn't make a difference, I still get the error.) sed "s/\(\\,,/\|\\m/\|\\m/\\>\.</\\m/\|:u\)*//g" The full line is: grep -a "\\,,/\|\\m/\|\\m/\\>\.</\\m/\|:u" all_fbs.txt | sed "s/\(\\,,/\|\\m/\|\\m/\\>\.</\\m/\|:u\)*//g" | sed "s/^/ROCKON\t/" > rockon_fbs.txt The result is: sed: -e expression #1, char 14: unknown option to `s' I know it's coming from the sed regexp I'm asking about it b/c if I remove that portion of the full line, then I get no error (but, of course, the emoticons are not filtered out). Thanks in advance, Steve

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• How to reference the same CodeBehind class from multiple .aspx files (and be able to pre-compile the

  - by thelsdj

  I have a set of aspx pages that each live in their own directory and reference a single aspx.cs code behind file. This has worked fine previously because I never tried to pre-compile the site. IIS must have individually compiled each aspx, linking them to the contents of App_Code but never referencing more than one aspx at a time. Now that I'm trying to pre-compile the website using Web Deployment Projects I keep getting errors about the same class being found in multiple assemblies. I can't just drop the aspx.cs in App_Code and subclass it because it wouldn't be able to find the controls on the .aspx pages when compiling. Maybe I could explicitly define every control on the page in the .cs? But would that allow them to be wired up correctly? Any other ideas on how I can reference the same Page class from multiple .aspx pages and be able to pre-compile the entire website?

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• How to calculate the sum of a column in an MS Access table for a given date (a single day, month or year)

  - by cMinor

  I have a table in Access in a custom format saved as dd/MM/yyyy hh:mm:ss tt , Also A form in VB.NET 2010, I get a specific day, month and year with no problem but the problem comes when I want to query the sum of a column named value depending on a specific month or day or year.... The table is like: +-----+-----------+-------------------------+ | id | value | date | +-----+-----------+-------------------------+ | id1 | 1499 | 01/01/2012 07:30:11 p.m.| | id2 | 1509 | 11/02/2012 07:30:11 p.m.| | id3 | 1611 | 21/10/2012 07:30:11 p.m.| | id1 | 1115 | 11/10/2012 07:30:11 p.m.| | id1 | 1499 | 17/05/2012 07:30:11 p.m.| | id2 | 1709 | 11/06/2012 07:30:11 p.m.| | id3 | 1911 | 30/07/2012 07:30:11 p.m.| | id1 | 1015 | 01/08/2012 07:30:11 p.m.| | id1 | 1000 | 11/05/2012 07:30:11 p.m.| |+-----+-----------+------------------------+ So I Know the query SELECT SUM(value) FROM mytable WHERE date in='01/05/2012 00:00:00' ... How to tell the query I want the month of May so I would get 1499+1000= 2499 Or how to tell I want the year 2012 so I would get the sum of all the table Which would be the correct syntax...

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• git: How to diff changed files versus previous versions after a pull?

  - by doug

  I'm new to git, using it via Terminal on Snow Leopard. When I run "git pull" I often want to know what changed between the last version of a file and the new one. Say I want to know what someone else committed to a particular file. How is that done? I'm assuming it's "git diff" with some parameters for commit x versus commit y but I can't seem to get the syntax. I also find "git log" confusing a bit and am not sure where to get the commit ID of my latest version of the file versus the new one.

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• postgres store with composite value type, or a better way of attributing an inverted index

  - by Hassan Syed

  can't seem to figure out the syntax for populating a hstore with a value of composite type -- note: I do not want to convert a record to a hstore. select hstore('hello => ROW(1,2)'); I know it's something simple; However, google is not my friend today. use case : custom inverted index. The data is modelling an inverted index of lexemes, the composite data types are various probabilities related to the lexemes which I will use to implement document clustering. Does anyone know a better way of doing this ? I'm open to using an external system if it allows attaching attributes to key-posting pairs in the inverted index. I'd use something external if it had solid support for what I am trying to do, I suspect that sticking 3-10k lexemes per tuple and then doing batch processing on them is gonna be nasty as the whole hstore will have to be parsed and converted .

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• Using type aliases to Java enums

  - by oxbow_lakes

  I would like to achieve something similar to how scala defines Map as both a predefined type and object. In Predef: type Map[A, +B] = collection.immutable.Map[A, B] val Map = collection.immutable.Map //object Map However, I'd like to do this using Java enums (from a shared library). So for example, I'd have some global alias: type Country = my.bespoke.enum.Country val Country = my.bespok.enum.Country //compile error: "object Country is not a value" The reason for this is that I'd like to be able to use code like: if (city.getCountry == Country.UNITED_KINGDOM) //or... if (city.getCountry == UNITED_KINGDOM) Howver, this not possible whilst importing my type alias at the same time. Note: this code would work just fine if I had not declared a predefined type and imported it! Is there some syntax I can use here to achieve this?

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• understanding this regex

  - by DarthVader

  I m trying to understand what the following does. ^([^=]+)(?:(?:\\=)(.+))?$ Any ideas? This is being used here. Obviously it s command line parser but i m trying to understand the syntax so i can actually run the program. This is from commandline-jmxclient , they have no documents on setting JMX properties but in their source code, there is such an option, so i just want to understand how i can invoke that method. Matcher m = Client.CMD_LINE_ARGS_PATTERN.matcher(command); if ((m == null) || (!m.matches())) { throw new ParseException("Failed parse of " + command, 0); } this.cmd = m.group(1); if ((m.group(2) != null) && (m.group(2).length() > 0)) this.args = m.group(2).split(","); else this.args = null;

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• LINQ OrderBy with more than one field

  - by brainimus

  I have a list that I need sorted by two fields. I've tried using OrderBy in LINQ but that only allows me to specify one field. I'm looking for the list to be sorted by the first field and then if there are any duplicates in the first field to sort by the second field. For example I want the results to look like this (sorted by last name then first name). Adams, John Smith, James Smith, Peter Thompson, Fred I've seen that you can use the SQL like syntax to accomplish this but I am looking for a way to do it with the OrderBy method. IList<Person> listOfPeople = /*The list is filled somehow.*/ IEnumerable<Person> sortedListOfPeople = listOfPeople.OrderBy(aPerson => aPerson.LastName, aPerson.FirstName); //This doesn't work.

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• Access event.target in IE8 unobstrusive Javascript

  - by Mirko

  The following function gets the target element in a dropdown menu: function getTarget(evt){ var targetElement = null; //if it is a standard browser if (typeof evt.target != 'undefined'){ targetElement = evt.target; } //otherwise it is IE then adapt syntax else{ targetElement = evt.srcElement; } //return id of element when hovering over or if (targetElement.nodeName.toLowerCase() == 'li'){ return targetElement; } else if (targetElement.parentNode.nodeName.toLowerCase() == 'li'){ return targetElement.parentNode; } else{ return targetElement; } Needless to say, it works in Firefox, Chrome, Safari and Opera but it does not in IE8 (and I guess in previous versions as well). When I try to debug it with IE8 I get the error "Member not Found" on the line: targetElement = evt.srcElement; along with other subsequent errors, but I think this is the key line. Any help will be appreciated.

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• Is dependency injection possible for JSP beans?

  - by kazanaki

  This may be a long shot question.. I am working on an application that is based on JSP/Javascript only (without a Web framework!) Is there a way to have depencency injection for JSP beans? By jsp beans I mean beans defined like this <jsp:useBean id="cart" scope="session" class="session.Carts" /> Is there a way/library/hack to intercept the bean creation so that when "cart" is referenced for the first time, some some of injection takes place? Can I define somewhere a "listener" for JSP beans (like you can do for JSF beans for example)? I am free to do anything I want in the back-end, but I cannot add a web framework in the front-end (Don't ask!)

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• Running Script before/after Variables declared?

  - by Sam

  Hi folks. As i understand javascript .js files are best to put all the way at the bottom of html pages, to speed up loading of rest of page. Advised by Yslow(Yahoo) and Page Speed(google). Now, when in the middle of page some thing RUNS a javascript script, in Internet Explorer, i see a small warning message saying that the element is: Uncaught ReferenceError: SWFObject is not defined When i put my all.js file in the had, the error goes away but page load slows doen. What to do? Actually, i remember it was the same with php variables. If i RUN php but the variable comes later, then it just doesnt work. must define the variable first, for it to run. How to make this workflow better, in case of php scripts? and in case of javsscripts? Thanks!

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• Custom Grails Environments?

  - by tinny

  I have been developing several Grails applications over the past couple of years. I am increasingly finding that the three grails environments (dev, test, prod) aren't enough to satisfy my needs. The more "enterprisey" your application gets, the more environments you tend to have. I tend to use 6 environments for my development cycle... DEVA //My dev DEVB //Team mates dev CI_TEST //CI like Hudson QA_TEST //Testing team environment UAT_TEST //Customers testing environment PROD //Production Im wondering if there is a way to define custom Grails environments? I dont think there is, but the feature could be handy. The way I am getting around this right now is by externalising the config to a properties file. Id imagine that this is a pretty common requirement, so how have you been dealing with your environments?

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• In OpenRasta is it possible to Pattern match multiple key/value pairs?

  - by Scott Littlewood

  Is it possible in OpenRasta to have a Uri pattern that allows for an array of values of the same key to be submitted and mapped to a handler method accepting an array of the query parameters. Example: Return all the contacts named Dave Smith from a collection. HTTP GET /contacts?filterBy=first&filterValue=Dave&filterBy=last&filterValue=Smith With a configuration of: What syntax would be best for the Uri string pattern matching? (Suggestions welcome) ResourceSpace.Has.ResourcesOfType<List<ContactResource>>() .AtUri("/contacts") .And.AtUri("/contacts?filterBy[]={filterBy}[]&filterValue[]={fv}[]") // Option 1 .And.AtUri("/contacts?filterBy={filterBy}[]&fv={fv}[]") // Option 2 Would map to a Handler method of: public object Get(params Filter[] filters) { /* create a Linq Expression based on the filters using dynamic linq query the repository using the Linq */ return Query.All<Contact>().Where(c => c.First == "Dave" && c.Last == "Smith").ToResource() } where Filter is defined by public class Filter { public string FilterBy { get; set; } public string FilterValue { get; set; } }

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• Oracle 10g - Best way to escape single quotes

  - by satynos

  I have to generate some update statements based off a table in our database. I created the following script which is generating the update statements I need. But when I try to run those scripts I am getting errors pertaining to unescaped single quotes in the content and &B, &T characters which have special meaning in oracle. I took care of the &B and &T problem by setting SET DEFINE OFF. Whats the best way to escape single quotes within the content? DECLARE CURSOR C1 IS SELECT * FROM EMPLOYEES; BEGIN FOR I IN C1 LOOP DBMS_OUTPUT.PUT_LINE('UPDATE EMPLOYEES SET FIRST_NAME= ''' || I.FIRST_NAME|| ''', LAST_NAME = ''' || I.LAST_NAME ''', DOB = ''' || I.DOB|| ''' WHERE EMPLOYEE_ID = ''' || I.EMPLOYEE_ID || ''';'); END LOOP; END; Here if the first_name or last_name contains single quotes then the generated update statements break. Whats the best way to escape those single quotes within the first_name and last_name?

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• How do I repeat part of an image using background-position and CSS sprites?

  - by thor

  I would like to create some buttons with dynamic width using CSS sprites and background-position but I'm not sure if what I want is possible.. I would like the button to have a left-side, middle, and right-side, with the middle repeating as required. Ideally I would like this to be made up of one image of 11px wide so the left and right sides are both 5px wide and the middle is 1px repeated. Is there some way I can define in CSS to use the one centre pixel of the image and repeat if for the required (unknown) width? Normally I've used two images to achieve similar results - one for the sides and a second image of 1px width for the middle, but if there's some way of combining them into one image I would prefer to use that.

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• 8 byte Integer with Doctrine and PHP

  - by Rufinus

  Hi, the players: 64bit linux with php 5 (ZendFramework 1.10.2) PostgreSQL 7.3 Doctrine 1.2 Via a Flash/Flex client i get an 8byte integer value. the field in the database is an BIGINT (8 byte) PHP_INT_SIZE show that system supports 8byte integer. printing out the value in the code as it is and as intval() leads to this: Plain: 1269452776100 intval: 1269452776099 float rounding failure ? but what really driving me nuts is ERROR: invalid input syntax for integer: "1269452776099.000000"' when i try to use it in a query. like: Doctrine_Core::getTable('table')->findBy('external_id',$external_id); or Doctrine_Core::getTable('table')->findBy('external_id',intval($external_id)); How i am supposed to handle this ? or how can i give doctrine a floating point number which it should use on a bigint field ? Any help is much appreciated! TIA

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• Getting an odd error, MSSQL Query using `WITH` clause

  - by Aren B

  The following query: WITH CteProductLookup(ProductId, oid) AS ( SELECT p.ProductID, p.oid FROM [dbo].[ME_CatalogProducts] p ) SELECT rel.Name as RelationshipName, pl.ProductId as FromProductId, pl2.ProductId as ToProductId FROM ( [dbo].[ME_CatalogRelationships] rel INNER JOIN CteProductLookup pl ON pl.oid = rel.from_oid ) INNER JOIN CteProductLookup pl2 ON pl2.oid = rel.to_oid WHERE rel.Name = 'BundleItem' AND pl.ProductId = 'MX12345'; Is generating this error: Msg 319, Level 15, State 1, Line 5 Incorrect syntax near the keyword 'with'. If this statement is a common table expression, an xmlnamespaces clause or a change tracking context clause, the previous statement must be terminated with a semicolon. On execution only. There are no errors/warnings in the sql statement in the managment studio. Any ideas?

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• Fastest method for SQL Server inserts, updates, selects from C# ASP.Net 2.0+

  - by Ian

  Hi All, long time listener, first time caller. I use SPs and this isn't an SP vs code-behind "Build your SQL command" question. I'm looking for a high-throughput method for a backend app that handles many small transactions. I use SQLDataReader for most of the returns since forward only works in most cases for me. I've seen it done many ways, and used most of them myself. Methods that define and accept the stored procedure parameters as parameters themselves and build using cmd.Parameters.Add (with or without specifying the DB value type and/or length) Assembling your SP params and their values into an array or hashtable, then passing to a more abstract method that parses the collection and then runs cmd.Parameters.Add Classes that represent tables, initializing the class upon need, setting the public properties that represent the table fields, and calling methods like Save, Load, etc I'm sure there are others I've seen but can't think of at the moment as well. I'm open to all suggestions.

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• Objective C - Constants with behaviour

  - by Akshay

  Hi, I'm new to Objective C. I am trying to define Constants which have behavior associated with them. So far I have done - @interface Direction : NSObject { NSString *displayName; } -(id)initWithDisplayName:(NSString *)aName; -(id)left; // returns West when North -(id)right; // return East when North @end @implementation Direction -(id)initWithDisplayName:(NSString *)aName { if(self = [super init]) { displayName = aName; } return self; } -(id)left {}; -(id)right {}; @end Direction* North = [Direction initWithDisplayName:@"North"]; // error - initializer element is not constant. This approach results in the indicated error. Is there a better way of doing this in Objective C.

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• How do you perform macro expansion within #ifdef?

  - by Malvineous

  Hi all, I have some fairly generic code which uses preprocessor macros to add a certain prefix onto other macros. This is a much simplified example of what happens: #define MY_VAR(x) prefix_##x "prefix_" is actually defined elsewhere, so it will be different each time the file is included. It works well, but now I have some code I would like to skip if one of the tokens doesn't exist, but this doesn't work: #if defined MY_VAR(hello) What I want it to expand to is this: #ifdef prefix_hello But I can't figure out how. I need to use the MY_VAR() macro to do the expansion, so I can't just hardcode the name. (It's actually for some testing code, the same code gets included with a different prefix each time to test a bunch of classes, and I want to skip a couple of tests for a handful of the classes.) Is this possible with the C++ preprocessor?

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• How do I know whether an application support OLE2 and which methods & attributes are exposed?

  - by Esti

  I want to call an ActiveX DLL or OLE2 object from ABAP. I already know the syntax of how to instantiate the object & execute the methods: data: my_object type ole2_object. create object my_object <ole2object>. call method of my_object <objectmethod>. But given a particular application, how do I know if this is supported, what the values/names of ole2object and objectmethod is? Transaction SOLE supplies a table of OLE Applications, among this is Excel.Application which I know can be instantiated as an OLE object, so it looks like you have to add the OLE2 app to this table first, but once again where can I read the data like CLSID & LibType from - is it published as part of the application?

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• Defining a dd/mm/yyyy field within an abstract table model

  - by Simon Andi

  I have defined an abstract table model but one of the columns should house date values as dd/mm/yyyy format not sure how to do this. I have a external global file and have hard coded the dates as dd/mm/yyyy. How can I define this column within my abstract table model so that to only allow only dates having dd/mm/yyyy format. public class OptraderGlobalParameters { public static boolean DEBUG = true; //Set DEBUG = true for Debugging /*=========================*/ /*Table Array For Dividends*/ /*=========================*/ public static String[] columnNames = {"Date", "Dividend", "Actual", "Yield (%)" }; public static Object[][] data = { {"dd/mm/yyyy", new Double(5), new Boolean(false), new Boolean(false)}, {"dd/mm/yyyy", new Double(5), new Boolean(false), new Boolean(false)}, {"dd/mm/yyyy", new Double(5), new Boolean(false), new Boolean(false)}, {"dd/mm/yyyy", new Double(5), new Boolean(false), new Boolean(false)}, {"dd/mm/yyyy", new Double(5), new Boolean(false), new Boolean(false)}, }; }

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• Rails shoulda and factory_girl setup

  - by kristian nissen

  I have installed both shoulda and factory_girl, I can run shoulda just fine, but when I add this: require 'factory_girl' Factory.define :user do |u| u.mail '[email protected]' u.pass 'secret' end to my test/test_helper.rb I'm getting this error: /test/test_helper.rb:1:in `require': no such file to load -- factory_girl (LoadError) when I execute rake test:units I have installed both gems using: sudo gem install thoughtbot-shoulda --source=http://gems.github.com sudo gem install thoughtbot-factory_girl --source=http://gems.github.com and can see both of them being installed fine. And by the way, this works fine as well: script/console Loading development environment (Rails 2.3.8) require 'factory_girl' = [] so requiring the gems seems to be working

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• MinGW and "declaration does not declare anything"

  - by Bob Somers

  I'm working on converting a Linux project of mine to compile on Windows using MinGW. It compiles and runs just fine on Linux, but when I attempt to compile it with MinGW it bombs out with the following error message: camera.h:11: error: declaration does not declare anything camera.h:12: error: declaration does not declare anything I'm kind of baffled why this is happening, because I'm using the same version of g++ (4.4) on both Linux and Windows (via MinGW). The contents of camera.h is absurdly simple. Here's the code. It's choking on lines 11 and 12 where float near; and float far; are defined. #include "Vector.h" #ifndef _CAMERA_H_ #define _CAMERA_H_ class Camera{ public: Vector eye; Vector lookAt; float fov; float near; float far; }; #endif Thanks for your help.

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• python os.execvp() trying to display mysql tables gives 1049 error - Unknown database error.

  - by Hemanth Murthy

  I have a question related to mysql and python. This command works on the shell, but not when I use os.execvp() $./mysql -D test -e "show tables" +----------------+ | Tables_in_test | +----------------+ | sample | +----------------+ The corresponding piece of code in python would be def execute(): args = [] args.extend(sys.argv[1:]) args.extend([MYSQL, '-D test -e "show tables"']) print args os.execvp(args[0], args) child_pid = os.fork() if child_pid == 0: os.execvp(args[0], args) else: os.wait() The output of this is: [./mysql', '-D test -e "show tables"'] ERROR 1049 (42000): Unknown database ' test -e "show tables"' I am not sure if this is a problem with the python syntax or not. Also, the same command works with os.system() call. os.system(MYSQL + ' -D test -e "show tables"') Please let me know how to get this working. Thanks, Hemanth

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