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• Is there a way put a timestamp in the file header automatically when saving in Eclipse?

  - by George

  I am a PHP developer using Eclipse PDT. I would like a timestamp put automatically in my file headers whenever I save the file. Maybe as a replacement of a variable. Let's say I use this header in a file: /** * ${filename} * ${timestamp} */ When I save the file I would this to be replaced with: /** * Myfile.php * 4/20/2010 19:04 */ It would also be ok if there is a macro that would add a line at the very beginning of the file just containing a timestamp. Anybody with an idea? Regards, George

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• How do I get the sequence of numbers in a sorted-set that are between two integers in clojure?

  - by Greg Rogers

  Say I have a sorted-set of integers, xs, and I want to retrieve all the integers in xs that are [x, y), ie. between x and y. I can do: (select #(and (>= % x) (< % y)) xs) But this is inefficient - O(n) when it could be O(k log n) where k is the number of integers returned. I am just learning clojure so here is how I would do it in C++: set<int>::iterator first = xs.lower_bound(x); set<int>::iterator last = xs.upper_bound(y); for (; first != last; ++first) // do something with *first Can I do this in clojure?

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• Ruby on Rails: What are Erubis' disadvantages and why isn't it packaged with Rails by default? How t

  - by williamjones

  I just discovered Erubis, a replacement for the default view renderer for Ruby on Rails. However, from what I can tell from reading about it, it's superior across the board. It is much faster. It has many more options. It can prevent cross site scripting without having to use h. Does this have any disadvantages versus the standard erb renderer? Why isn't this the standard renderer packaged with Rails? Also, the docs for Erubis say to install it just by installing the gem, and then add the following to environment.rb: require 'erubis/helpers/rails_helper' #Erubis::Helpers::RailsHelper.engine_class = Erubis::Eruby # or Erubis::FastEruby Reading the docs, FastEruby seems to be just a faster renderer than Eruby. Why wouldn't it be default and used by everyone? I'm highly interested in using the engine erubis::EscapedEruby which automatically calls h to escape html on fields from the database. Are there any gotchas I should be aware of or does this pretty much solve all cross site scripting?

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• School Project for final year

  - by pundit

  Hi people, I'm in final year of my degree and it is required that i do a final year project. I have decided to do something on adaptive websites that implements customisation, personalisation and basically adaptation via heat maps and weblogs. So for a prototype i would be designing a website for tertairy level students and see if these technologies improve the usbability of the site. i would model it after my school's website. So here's the question, What would be a better language to use.. i have some knowledge in struts 2 framework and some knowledge in php. could say a newbie at both.. so i was wondering what would be the easier and faster way to go. php or the struts2 framework? thanks.

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• htaccess: only do [some lines of code] for one domain, no others.

  - by Coronatus

  Say I have a htaccess file shared by "dev.server" and "server.site.com". The first domain should allow all users to access it unchallenged (it only exists on my local development server). The second domain I want to authenticate users with Apache (NOT by database). The code to authenticate users is: AuthType Basic AuthName "Server Admin" AuthUserFile "/path/to/passwd" require valid-user What I can't do is make those 4 lines only matter if the domain is "server.site.com". How can I do this? I searched for something like <IfEnv HTTP_HOST "site.server.com"> but had no luck.

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• Find next lower item in a sorted list

  - by Sebastian

  Hey guys, let's say I have a sorted list of Floats. Now I'd like to get the index of the next lower item of a given value. The usual for-loop aprroach has a complexity of O(n). Since the list is sorted there must be a way to get the index with O(log n). My O(n) approach: index=0 for i,value in enumerate(mylist): if value>compareValue: index=i-1 Is there a datatype for solving that problem in O(log n)? best regards Sebastian

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• DOM: how to import nodes and give them different namespace prefix

  - by thomasrutter

  I'm familiar with the DOMDocument::importNode method for importing a tree of nodes from some other document element. However, what I was wondering is if I can automatically change the namespace prefix on a tree of nodes as I import them, that is, specify a new prefix for all nodes of that namespace. Say the nodes, in their existing document, all have names like "name", "identity", and so on. When importing them into my new document they will be alongside other namespaces, so I'd like them to appear as "nicnames:name", "nicnames:identity" and so on. I'd like to be able to change this prefix programmatically so that in another context I may be able to import them as, for instance, "myprefix:name", "myprefix:identity" depending on the document they're imported into. Can anyone help me understand how to do this? Thanks

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• Need help with REGEXP_REPLACE

  - by Randy

  hey regex guru's I have a data column that contains a substring similar to this: 'This is a string with ID=123 contained inside' i need to replace the ID=123 with another fixed string say ID=1 i have a working REPLACE call that swaps out the values correctly, but this only works on a known original id number. I can extend to make it work when the number of digits are known by using some substr magic, however, the id number may have an arbitrary number of digits, so i'm thinking regex. any help with the regex magix to grab the entire ID=999 substring no matter how many digits would be very helpful. thanks

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• How to access Grails domain classes in Java service layer?

  - by batmannavneet

  How can I use grails domain classes (which is in groovy) in service layer which is in Java/Spring. When using the grails MVC, everything is fine as I can use controller to access domain objects and call CRUD and other dynamic methods on them. But, what I am wondering is is there a clean way to do it from Java - say the service layer. For example, I may want to develop a reporting framework where I need to use domain objects to access the DB. I Hope the question is clear. This should be a standard problem that everybody must have faced in a reasonably sized project. I am just wondering how it is solved..maybe I am missing something here. thanks.

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• Data model for timesheet to task and/or timesheet to project?

  - by John

  Let's say I want to make a simple project tracking system. A manager can create a project. Then he can create tasks for that project. Team members can record the hours they work for each task or for the project as a whole. Is the following design for the t_timesheet table a good idea? timesheet_id - primary key, autoincrement project_id - not null, foreign key constraint to t_project task_id - nullable, foreign key constraint to t_task user_id - not null, foreign key constraint to t_user hours - decimal Or should I do something like this: timesheet_id - primary key, autoincrement task_id - not null, foreign key constraint to t_task user_id - not null, foreign key constraint to t_user hours - decimal In the second option, I intend to always have a record in t_task labelled "miscellaneous items" with a foreign key to the relevant t_project record. Then I'll be able to track all hours for a project that aren't for any particular task. Are any of the ideas above good? What would be better?

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• Transforming url with URI-module

  - by sid_com

  Do I gain something when I transform my $url like this: $url = URI-new( $url )? #!/usr/bin/env perl use warnings; use strict; use 5.012; use URI; use XML::LibXML; my $url = 'http://stackoverflow.com/'; $url = URI->new( $url ); my $doc = XML::LibXML->load_html( location => $url, recover => 2 ); my @nodes = $doc->getElementsByTagName( 'a' ); say scalar @nodes;

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• How is application virtualization implemented?

  - by noob_lurker

  I am trying to understand how software like App-V and sandboxie (http://www.sandboxie.com/) work. But for the life of me, I can't think of anything that could make this possible. How do they intercept API calls and trick the target software? If someone would say that it's just magic and pixie dust, I would believe them. Seriously though, are there any white papers that discuss solutions to this problem? If this is possible on the CLR level then that would be good but I'm willing to go native if I have to.

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• New/strange Java "try()" syntax?

  - by Ali

  While messing around with the custom formatting options in Eclipse, in one of the sample pieces of code, I say code as follows: /** * 'try-with-resources' */ class Example { void foo() { try (FileReader reader1 = new FileReader("file1"); FileReader reader2 = new FileReader("file2")) { } } } I've never seen try used like this and I've been coding in Java for 9 years! Does any one know why you would do this? What is a possible use-case / benefit of doing this? An other pieces of code I saw, I thought was a very useful shorthand so I'm sharing it here as well, it's pretty obvious what it does: /** * 'multi-catch' */ class Example { void foo() { try { } catch (IllegalArgumentException | NullPointerException | ClassCastException e) { e.printStackTrace(); } } }

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• How do you set up your web server & document's html to correctly serve HTML5 documents?

  - by joedevon

  Maybe I'm an idiot but I don't quite get what goes in the header of my HTML to use XHTML w/ HTML5. Is this still good and we just add the HTML5 tags?: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html dir="ltr" lang="eng" xmlns="http://www.w3.org/1999/xhtml"> Or is it <!DOCTYPE html> or what? Then at A List Apart they say: If you do go with XHTML 5, remember that your server must deliver the documents with a MIME type of application/xhtml+xml or text/xml. Please explain to me as if I was stupid :) what that means in a practical sense? "deliver the documents"? Meaning html? What happens to php? What are the steps required to set up your web server this way?

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• Interface(s) inheriting other interface(s) in WCF services.

  - by avance70

  In my solution there's a few WCF services, each of them implementing it's own callback interface. Let's say they are called: Subscribe1, with ISubscribe1 and ICallback1, etc. It happens there are a few methods shared among ICallbacks, so I made a following interface: interface ICallback { [OperationContract] CommonlyUsedMethod(); } and i inherited it in all: ICallback1 : ICallback, ICallback2 : ICallback, etc. And deleted the CommonlyUsedMethod() from all callback interfaces. Now, on the service-side code, everything compiles fine and services can start working as usual. But, when I updated the service references for the client, CommonlyUsedMethod() dissapeared from the reference.cs file (the ISubscribeCallback part), and could no longer be used to send data to back to the client.

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• How to move a branch backwards in git?

  - by karlthorwald

  The title is not very clear. What I actually need to do often is the following: Let's say I have a development going on with several commits c1,c2,... and 3 branches A,B,C c1--c2--c3--(B)--c4--(A,C) Branch A and C are at the same commit. Now I want branch A to go back where B is, so that it loks like this: c1--c2--c3--(A,B)--c4--(C) Important is that this has to happen locally and on github. Sorry for my bad git speak, I hope I can make clear what it is.

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• Python: Hack to call a method on an object that isn't of its class

  - by cool-RR

  Assume you define a class, which has a method which does some complicated processing: class A(object): def my_method(self): # Some complicated processing is done here return self And now you want to use that method on some object from another class entirely. Like, you want to do A.my_method(7). This is what you'd get: TypeError: unbound method my_method() must be called with A instance as first argument (got int instance instead). Now, is there any possibility to hack things so you could call that method on 7? I'd want to avoid moving the function or rewriting it. (Note that the method's logic does depend on self.) One note: I know that some people will want to say, "You're doing it wrong! You're abusing Python! You shouldn't do it!" So yes, I know, this is a terrible terrible thing I want to do. I'm asking if someone knows how to do it, not how to preach to me that I shouldn't do it.

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• How to extract terms of specific data constructor from a list in Haskell

  - by finnsson

  A common problem I got in Haskell is to extract all terms in a list belonging to a specific data constructor and I'm wondering if there are any better ways than the way I'm doing it at the moment. Let's say you got data Foo = Bar | Goo , the list foos = [Bar, Goo, Bar, Bar, Goo] and wish to extract all Goos from foos. At the moment I usually do something like goos = [Goo | Goo <- foos] and all is well. The problem is when Goo got a bunch of fields and I'm forced to write something like goos = [Goo a b c d e f | Goo a b c d e f <- foos] which is far from ideal. How you do usually handle this problem?

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• How to design websites for all display sizes

  - by katie bekell

  I like to use a lot of unique graphics on my pages, which often results in making different page sizes depending on available screen width/height. Here are two examples: http://www.uvm.edu/~areid/homesite/ - the image floats at the bottom of my screen but on a larger browser, the image floats near the middle making it look off. It looks best when the bottom of the window aligns with the bottom of the image www.stevenlebel.com - it loads two different pages depending on what monitor size is detected. This seems like a lot of redundant coding. My question is, how can I make sliced/Photoshop images transition well to different screen sizes. Does Photoshop allow you to make DIVS instead of tables? Can i make each of the slices created by Photoshop grow/shrink when the browser window size changes? If anyone has any input on creating websites like this I would be very interested to hear what they have to say. Thanks Katie

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• qmake -project command gives QFileInfo warning in Qt 4.6

  - by Pilgrim

  I've upgraded to Qt 4.6 on my Mac (OS 10.5). When I go to a project directory and run: qmake -project Qt returns this warning (although it doesn't say it's a warning, I assume it is since the .pro file gets created anyway): QFileInfo::absolutePath: Constructed with empty filename I did a completely new install thinking that the "upgrade" wasn't clean for whatever reason, it still does it. Any ideas as to why? Here is an example .pro that results from above command: ###################################################################### # Automatically generated by qmake (2.01a) Mon Apr 19 07:39:53 2010 ###################################################################### TEMPLATE = app TARGET = DEPENDPATH += . INCLUDEPATH += . # Input HEADERS += mainwindow.h SOURCES += main.cpp mainwindow.cpp RESOURCES += jquery.qrc

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• finding subfolder of a folder getting by getFolder method in asp

  - by Abhisheks.net

  hello guys, i am troubling from this problem , i want to find the list of folder but there is some problem , i have a support folder in root directory, first i have the subfolder of this "Support" folder then in each folder i have to find a specific say "x" folder and then in this x folder i want to check each file and folder. i am sending here code . please help me .... dim fs, fso, fo, s, x, f, filePath, a, sfPath set fs=Server.CreateObject("Scripting.FileSystemObject") set fo=fs.GetFolder(Server.MapPath("support/")) a = Split(pSku,"-",-1) for each x in fo.SubFolders sfPath= "support/" + x.Name + "/" + a(0) + "/" 'a(0) contains a folder name set s = fs.GetFolder(server.MapPath(sfPath)) set s = nothing next Please tell me solution ..

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• Is there a language designed for code golf?

  - by J S

  I am not really a fan of code golf, but I have to wonder, is there an esoteric language designed for it? I mean a language with following properties: Common programs may be expressed in very short amount of characters It uses ASCII character set effectively (for example, common operators are not identifiers, so they don't have to be separated by whitespace, character usage is distributed more or less evenly because we cannot use Huffman coding and so on) Except the terse syntax, it should have very expressible and clean semantics (like, let's say, Python or Scheme); it shouldn't be difficult to program in It doesn't need features for large scale programs, such as OOP, but it definitely should allow custom functions and data structures It should have a large standard library, identifiers in this library should be as short as possible Maybe it should be called CG? Languages that can be a source of inspiration are Forth, APL and Joy.

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• Batch backup a harddrive without modifying access times C#

  - by johnathan-doena

  I'm trying to write a simple program that will backup my flash drive. I want it to work automatically and silently in the background, and I also want it to be as quick as possible. The thing is, resetting all the access times is useless to me, and something I want to avoid. I know I can read the access times and set them back, but I bet it will fail one day in the future. It would be much simpler to read the files without ever changing it. Also, what is the fastest way to do this? What differences would there be between, say, a flash drive and an external hard drive. I am writing this in C#, as it is the simplest way to do it and it will probably last more generations of Windows..

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• Call a function from another Class - Obj C

  - by AndrewDK

  I'm trying to figure out how I can call a function from another one of my classes. I'm using a RootViewController to setup one of my views as lets say AnotherViewController So in my AnotherViewController im going to add in on the .h file @class RootViewController And in the .m file im going to import the View #import "RootViewController.h" I have a function called: -(void)toggleView { //do something } And then in my AnotherViewController I have a button assigned out as: -(void)buttonAction { //} In the buttonAction I would like to be able to call the function toggleView in my RootViewController. Can someone clarify on how I do this. I've tried adding this is my buttonAction: RootViewController * returnRootObject = [[RootViewController alloc] init]; [returnRootObject toggleView]; But I dont think that's right. Thanks in advanced.

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• PHP code in Drupal 6

  - by abhishekgupta92

  A very standard example of the problem that I am facing is that of a custom content say blog type. Now there is a view namely "My Blog Posts". In that view i take the argument as User:uid. Now, for the link part i simply write the code below: global $user; and send $user-uid as the argument to User:Uid. This give me link for "My Blog Posts" or the blog posts of the logged-in user What I want is a view like "His Blog Posts". So, if i visit the profile of some other user. There should be a tab in his profile "Blog Posts by Me". So for that i need to have the UID of the user whose profile I am visiting. So, how can I get this parameter from URL of his profile or somevhere else.

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