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  • How to compile scheme into native binary files ?

    - by Joe
    I am very new to scheme. And now I am trying to compile some scheme code into binary file which will be loaded faster into interpreter. (The interpreter is a hybrid interpreter)Some one told me that I can compile the code into native binary file and then load it into interperter. And my question is: 1. What is the native binary file? 2. How can I compile the scheme code into a native binary file? 3. How can I load native bianry file into scheme interpreter? Thanks in advance. Joe Suggested that I want to compile below code into native binary file: (define test (lambda() (display "this is a test")) And then load the bianry file into interpreter and call the function "test".

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  • The second argument to copy() function cannot be a directory

    - by Jorm
    Anyone know why this: $title = trim($_POST['title']); $description = trim($_POST['description']); // Array of allowed image file formats $allowedExtensions = array('jpeg', 'jpg', 'jfif', 'png', 'gif', 'bmp'); foreach ($_FILES as $file) { if ($file['tmp_name'] > '') { if (!in_array(end(explode(".", strtolower($file['name']))), $allowedExtensions)) { echo '<div class="error">Invalid file type.</div>'; } } } if (strlen($title) < 3) echo '<div class="error">Too short title</div>'; else if (strlen($description) > 70) echo '<div class="error">Too long desccription.</div>'; else { move_uploaded_file($_FILES['userfile']['tmp_name'], 'c:\wamp\www\uploads\images/'); } Gives: Warning: move_uploaded_file() [function.move-uploaded-file]: The second argument to copy() function cannot be a directory in C:\wamp\www\upload.php on line 41 Warning: move_uploaded_file() [function.move-uploaded-file]: Unable to move 'C:\wamp\tmp\php1AB.tmp' to 'c:\wamp\www\uploads\images/' in C:\wamp\www\upload.php on line 41

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  • Rake tasks in other files

    - by Arcath
    Im trying to use rake in a project, and if I put everything into Rakefile it will be huge and hard to read/find things, so I tried to stick each namesapce in its own file in lib/rake, i added this to the top of my rake file: Dir['#{File.dirname(__FILE__)}/lib/rake/*.rake'].map { |f| require f } it loads the file no problem, but doesn't have the tasks. I only have one .rake file as a test for now called "servers.rake" and it looks like this: namespace :server do task :test do puts "test" end end so when I run rake server:test id expect to see one line appear saying "test", instead I get rake aborted! Don't know how to build task 'server:test' at first I thought my codes wrong but if I copy the contents of lib/rake/servers.rake into Rakefile it works fine. How do I get rake tasks to work that are in another file?

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  • C# Lambda Expression Speed

    - by Nathan
    I have not used many lambda expressions before and I ran into a case where I thought I could make slick use of one. I have a custom list of ~19,000 records and I need to find out if a record exists or not in the list so instead of writing a bunch of loops or using linq to go through the list I decided to try this: for (int i = MinX; i <= MaxX; ++i) { tempY = MinY; while (tempY <= MaxY) { bool exists = myList.Exists(item => item.XCoord == i && item.YCoord == tempY); ++tempY; } } Only problem is it take ~9 - 11 seconds to execute. Am I doing something wrong is this just a case of where I shouldn't be using an expression like this? Thanks.

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  • Adding an attachment to a .NET Email

    - by Velika
    How do I attach a file with a very unfriendly name (like a file with a session Id number in it) but have it attached as another name?The file has the session ID in it to avoid clashes name on the web server nut when I attach it to the file, a friendlier name is preferable. Is there a way to attach the file with teh unfriendly name as anotehr name so that when the user gets the email he can tell from the name what the content of the file is? I'd hate to have to create a unique folder just to put a common file name in it for the purpose of simply attaching it to an email. Dim mailMessage As System.Net.Mail.MailMessage = New System.Net.Mail.MailMessage() mailMessage.Attachments.Add("unfriendlyname.txt", ????)

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  • Getting a Spring resource

    - by Javi
    Hello, I'm trying to read a css file with the Resources provided by Spring. My application looks like this: src src/com herer my classes inside packages WebContent WebContent/resources/style/myCSS.css -- the css I want to read WebContent/WEB-INF -- here is my application-context.xml I can get the css and read it by doing something like this: UrlResource file = new UrlResource("http://localhost:8080/myApp/resources/style/myCSS.css"); but it depends on the server and aplication names. I've tried to do it by other implementations of Resource Interface, but the file is not found cause I can't find out how to wite the path. I've tried with this: FileSystemResource file = new FileSystemResource("/WebContent/resources/style/myCSS.css"); I also tried with wildcards, but it doesn't find the file either. ApplicationContext ctx = new FileSystemXmlApplicationContext("classpath*:/WEB-INF/application-context-core.xml"); Resource file = ctx.getResource("file:**/myCSS.css"); How should I write the path to get the css. Thanks.

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  • Hard link not works under MacOS in GUI mode

    - by AntonAL
    Hi, i faced a little strange behavior, while using hard links. From terminal, i create a text file 1.txt and a hard link "to this file" nano 1.txt mkdir dir ln 1.txt ./dir/ I check the resulting hard link and see, that it's contents is the same, as of "original" file. less ./dir/1.txt I change the initial file ... nano 1.txt ... and see, that changes was reflected in hard-link less ./dir/1.txt I change content of hard-link (more correct, of course - file, being referenced with hard-link) ... nano ./dir/1.txt ... and see, that changes are reflected in initial file less 1.txt Until now, all going well... Now, I close terminal and start playing with created files (1.txt and ./dir/1.txt) from Finder. When i change on this two files with TextEdit, changes are not reflected in another file. Just like the hard link was teared off... Whats going on here ?

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  • GnuPG Shell Script - Refuses to read password

    - by OopsForgotMyOtherUserName
    The script below used to work on Mac OS X, but, since moving it to Ubuntu, it doesn't seem to read from the password file at all. Even when I run it from the command line, no matter what I do, I get a popup prompt asking me for the password. As this will run via cron, I don't want this to happen... I want it to read the password from the file with no prompt. To note, I did try using passphrase-fd and passphrase-file, neither of which worked... #!/bin/sh p=$(<pass.txt) set -- $p pass_phrase=$1 destination="/var/www/decrypted" cd /var/sl_bin/ for FILE in *.pgp; do FILENAME=${FILE%.pgp} gpg --passphrase "$pass_phrase" --output "$destination/$FILENAME" --decrypt "$FILE" rm -f $FILE done

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  • In Python, urllib2 giving error

    - by pythBegin
    I tried running this, >>> urllib2.urlopen('http://tycho.usno.navy.mil/cgi-bin/timer.pl') But it is giving error like this, can anyone tell me a solution ? Traceback (most recent call last): File "<pyshell#11>", line 1, in <module> urllib2.urlopen('http://tycho.usno.navy.mil/cgi-bin/timer.pl') File "C:\Python26\lib\urllib2.py", line 126, in urlopen return _opener.open(url, data, timeout) File "C:\Python26\lib\urllib2.py", line 391, in open response = self._open(req, data) File "C:\Python26\lib\urllib2.py", line 409, in _open '_open', req) File "C:\Python26\lib\urllib2.py", line 369, in _call_chain result = func(*args) File "C:\Python26\lib\urllib2.py", line 1161, in http_open return self.do_open(httplib.HTTPConnection, req) File "C:\Python26\lib\urllib2.py", line 1136, in do_open raise URLError(err) URLError: <urlopen error [Errno 11001] getaddrinfo failed>

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  • Open a new tab in a browser with the response to an ASP request

    - by user89691
    It's a bit complicated this one... Lets say I have a listing of PDF files displayed in the user's browser. Each filename is a link pointing not to the file, but to an ASP page, say <--a href="viewfile.asp?file=somefile.pdf">somefile.pdf</a> I want viewfile.asp to fetch the file (I've done that bit OK) but I then want the file to be loaded by the browser as if the user had opened the PDF file directly. And I want it to open in a new tab or browser window. here's (simplified) viewfile.asp: <% var FileID = Request.querystring ("file") ; var ResponseBody = MyGETRequest (SomeURL + FileID) ; if (MyHTTPResult == 200) { if (ExtractFileExt (FileID).toLowerCase = "pdf") { ?????? // return file contents in new browser tab } .... %>

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  • how to open a page in another browser instance by clicking on a link

    - by CoffeeCode
    i have a link <a id="DownloadLink" href='controller/action' target="_blank">Download File</a> that has to open a image in another tab or page. but it offers me to download the file. my action looks like this public FileContentResult GetSurveyFile(int Id) { if (Id == 0) return null; Survey survey = Repository.GetItem(Id); if (survey.File == null) return null; return File(survey.File.FileContent.ToArray(), survey.File.ContentType,survey.File.Name); } where the content type is an image/jpeg whats wrong?

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  • C# pulling out columns from combobox text

    - by Mike
    What i have is four comboboxes and two files. If the column matches the combobox i need to write it out to a file but it has to appened with the second combobox. So for example Combobox1: Apple | Orange Combobox2: Pineapple | Plum I have selected Apple Plum I need to search threw a text file and find whatever columns is Apple or Plum: Orange|Pear|Peach|Turnip|Monkey|Apple|Grape|Plum and then i need to write out just the columns Apple|Plum to a new text file. Any help would be awesome! Better example Combobox1 selected item:Apple Combobox2 selected item:Plum Text FILE: APPLE|Pear|Plum|Orange 1|2|3|4 215|3|45|98 125|498|76|4 4165|465|4|65 Resulting File: 1|3 215|45 125|76 4165|4 Thanks for the advice, i dont need help on adding to combobox or reading the files, just how to create a file from a delimited file having multiple columns.

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  • Android and SQLite using the SQLiteOpenHelper

    - by tunneling
    I have a SQLite database, and several tables within that database. I am developing a DBAdapter for each table within the database. (reference Reto Meier's Professional Android 2 Application Development, Listing 7.1). I am using the adb shell to interface with the database from the command line and see that the database is being populated as I expect. Occasionally, I want to drop a table so that I can ensure it's being built properly, from scratch. The problem is that SQLiteOpenHelper only checks to see if the database exists. Is there a typical solution to writing a helper to also see that the table(s) exists? Basically once I drop a table, the helper checks to see that the database exists and assumes all is well. Also, the CREATE_DATABASE string used in the reference above only creates the one table. Should I consider using the DBAdapter for an adapter to ALL of my tables? That doesn't seem as clean to me. Reference Material

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  • Trying to determine best design for this workflow - c# - 3.0

    - by ltech
    Input Server - files of type jpg,tif, raw,png, mov come in via FTP Each file needs to be watermarked, if applicable, and meta data added to the file Then each file needs to be moved to an orders directory where an order file is generated and then packaged as zip file and moved to processing server. The file names are of [orderid_userid_guid].[jpg|tif|mov|png...] As I expect the volume to grow I dont want to work on one file at a time and move it through the work flow. I would prefer multi threaded/asynchronous if possible..

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  • SharePoint 2010 is forcing me to safe PDF when opening from doc library

    - by Tobias Funke
    I have a document library with a PDF file. Whenever I click on the PDF file, I am prompted to save the file. I do not get the option of opening the file, I am forced to save it. What I want is for the PDF file to open, either in the browser or in a separate Adobe Reader window, depending on the Adobe Reader settings. I'm pretty sure SharePoint is responsible for this behavior, because if I put the PDF on my hard drive, then create a HTML file with a link to the file, it opens in the browser when I click on it. Please note: I looked at this question and did not help. I don't care if the PDF opens in the browser or in a separate Adobe Reader window, I just want it to open.

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  • how to use a pear package!?

    - by Naughty.Coder
    I want to use HTTP_DOWNLOAD to manage my downloads ,, I have never used PEAR before !! HTTP_DOWNLOAD depends on many other packages , I downloaded them and the ones they , in turn , depend on and this is the structure I made : Download.PHP <---HTTP_DOWNLOAD MAIN FILE Header.php <--- HTTP_HEADER MAIN FILE PEAR.php PEAR5.php Type.php <--- MIME_Type >Type <---- FOLDER - Extension.php MIME_Type File - Parameter.php MIME_Type File assuming that Http_DOWNLOAD depends on : * PHP 4.2.0 * PEAR 1.4.0b1 * PEAR * HTTP_Header * pcre extension * Archive_Tar (Optional) * Archive_Zip (Optional) * MIME_Type (Optional) * mime_magic extension (Optional) * pgsql extension (Optional) and I edited the paths inside each file to reflect this structure , and I tried to run the following code : <?php require_once 'Download.php'; $params = array('file'=>'file.zip'); $down = new HTTP_Download($params); $down->send(true); ?> nothing happens !! I also got a hard time trying to figure how to use the class and I think this code should work .. but not sure ! Help Please !

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  • web2py error while using distinct in the queries

    - by Steve
    Hi, I am using web2py with GAE. While using some of the queries which has a distinct clause, GAE throws out an error.I have pasted the Traceback. Can someone please help me out with this. In FILE: /base/data/home/apps/panneersoda/1.341206242889687944/applications/init/controllers/default.py Traceback (most recent call last): File "/base/data/home/apps/panneersoda/1.341206242889687944/gluon/restricted.py", line 173, in restricted exec ccode in environment File "/base/data/home/apps/panneersoda/1.341206242889687944/applications/init/controllers/default.py:profileview", line 263, in <module> File "/base/data/home/apps/panneersoda/1.341206242889687944/gluon/globals.py", line 96, in <lambda> self._caller = lambda f: f() File "/base/data/home/apps/panneersoda/1.341206242889687944/applications/init/controllers/default.py:profileview", line 97, in profileview File "/base/data/home/apps/panneersoda/1.341206242889687944/gluon/contrib/gql.py", line 675, in select (items, tablename, fields) = self._select(*fields, **attributes) File "/base/data/home/apps/panneersoda/1.341206242889687944/gluon/contrib/gql.py", line 624, in _select raise SyntaxError, 'invalid select attribute: %s' % key SyntaxError: invalid select attribute: distinct Thanks

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  • How can I do a right outer join where both tables have a where clause?

    - by cdeszaq
    Here's the scenario: I have 2 tables: CREATE TABLE dbo.API_User ( id int NOT NULL, name nvarchar(255) NOT NULL, authorization_key varchar(255) NOT NULL, is_active bit NOT NULL ) ON [PRIMARY] CREATE TABLE dbo.Single_Sign_On_User ( id int NOT NULL IDENTITY (1, 1), API_User_id int NOT NULL, external_id varchar(255) NOT NULL, user_id int NULL ) ON [PRIMARY] What I am trying to return is the following: is_active for a given authorization_key The Single_Sign_On_User.id that matches the external_id/API_User_id pair if it exists or NULL if there is no such pair When I try this query: SELECT Single_Sign_On_User.id, API_User.is_active FROM API_User LEFT OUTER JOIN Single_Sign_On_User ON Single_Sign_On_User.API_User_id = API_User.id WHERE Single_Sign_On_User.external_id = 'test_ext_id' AND API_User.authorization_key = 'test' where the "test" API_User record exists but the "test_ext_id" record does not, and with no other values in either table, I get no records returned. When I use: SELECT Single_Sign_On_User.id, API_User.is_active FROM API_User LEFT OUTER JOIN Single_Sign_On_User ON Single_Sign_On_User.API_User_id = API_User.id WHERE API_User.authorization_key = 'test' I get the results I expect (NULL, 1), but that query doesn't allow me to find the "test_ext_id" record if it exists but would give me all records associated with the "test" API_User record. How can I get the results I am after?

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  • Editing Multiple files in vi with Wildcards

    - by Alan Storm
    When using the programmers text editor vi, I'll often using a wildcard search to be lazy about the file I want to edit vi ThisIsAReallLongFi*.txt When this matches a single file it works great. However, if it matches multiple files vi does something weird. First, it opens the first file for editing Second, when I :wq out of the file, I get a message the bottom of the terminal that looks like this E173: 4 more files to edit Hit ENTER or type command to continue When I hit enter, it returns me to edit mode in the file I was just in. The behavior I'd expect here would be that vi would move on to the next file to edit. So, What's the logic behind vi's behavior here Is there a way to move on and edit the next file that's been matched? And yes, I know about tab completion, this question is based on curiosity and wanting to understand the shell better.

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  • copy files between servers asp.net mvc

    - by kalyan
    Hi, I am using asp.net, c#, MVC and nHibernate and I am trying to upload a file from a local machine to the server and replicate the file to the different server. I was able to upload file to the server and copy the file from one folder to the other folder on the same server without any problem.But how can I copy the file from one server to another server. Please follow the link to see how to copy a file from one folder to another folder on the same server. Click to see my answer to the file upload question.[please look for answer by kalyan] Please help. Thank you.

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  • Perl: Unsuccessful stat on filename containing newline. What?

    - by Daniel
    Hello, I am getting an error I do not understand. I am using File:find to recurse a fylesystem on windows using Activestate Perl 5.8.8 and trying to stat $File::Find::name; so I am not stat-ing a filename got from a text file scanning requiring chomp-ing or newline removing. I was unable to get file modification time, the m in: my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks) = stat($File::Find::name); so trying a -s $File::Find::name give me the error: "Unsuccessful stat on filename containing newline" A typical file name found is F01-01-10 Num 0-00000.pdf but I get the same error even renaming in E02.pdf Some ideas about a possible reason for this error?

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  • PHP: OOP and methods

    - by Pirkka
    Hello I`ve been wondering how to implement methods in a class. Could someone explain me what means if one does OOP in procedural style? Here is an example: class Fld extends Model { private $file; private $properties = array(); public function init($file) { $this->file = $file; $this->parseFile(); } private function parseFile() { // parses the file foreach($this->file as $line)...... .................. $this->properties = $result; } } I mean is it a good thing to have methods like these that do operations for the class properties like that. Or should I pass the class property as method parameter... I mean this would cause error if the file property wouldnt be declared.

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  • Accessing mapped network drive from ColdFusion

    - by Kip
    I am having a problem accessing a mapped drive in ColdFusion. I have \\server\files\sharing mapped to z:\. If I run this code, it says the directory exists for the full path but not for the mapped one: <cfscript> fullPath = "\\server\files\sharing\reports"; mappedPath = "z:\reports"; WriteOutput("fullPath exists: #DirectoryExists(fullPath)#<br/>"); //YES WriteOutput("mappedPath exists: #DirectoryExists(mappedPath)#"); //NO </cfscript> I have done some Googling and have found a few people with the same problem, but the solution was always to use the full path. Is there a reason ColdFusion wouldn't be able to see or access the mapped drive? And if so, are there any workarounds (maybe a system call to get the full path of the mapped drive)?

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  • How to version control config files pragmatically?

    - by erenon
    Suppose we have a config file with sensitive passwords. I'd like to version control the whole project, including the config file as well, but I don't want to share my passwords. That could be good, if this config file: password=secret foo=bar becomes password=* foo=bar and the other users of the vcs could also set up the password on they own. To ignoring the file isn't a good approach, the developers should be aware, if the config file changes. Example: Local version: password=own_secret foo=bar config file in vcs: password=* foo=bar Then suddenly, the config file changes: password=* foo=bar baz=foo And the local version would become for each developer: password=own_secret foo=bar baz=foo This is my solution. How could I achieve this behaviour? How do you store your config files? Is there a way to do that, or should I hack something?

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