Search Results

Search found 37654 results on 1507 pages for 'function prototypes'.

Page 1057/1507 | < Previous Page | 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064  | Next Page >

• Is it possible to create a quine in every turing-complete language?

  - by sub

  I just wanted to know if it is 100% possible, if my language is turing-complete, to write a program in it that prints itself out (of course not using a file reading function) So if the language just has the really necessary things in order to make it turing complete (I would prove that by translating Brainf*ck code to it), like output, variables, conditions and gotos (hell yes, gotos), can I try writing a quine in it? I'm also asking this because I'm not sure that a quine directly fits into Turing's law that the turing machine is capable of any computational task. I just want to know so I don't try for years without knowing that it may be impossible.

  Read the article

• Perl equivalent to Java's "throws" clausule.

  - by Konerak

  Is there a way in Perl to declare that a method can throw an error (or die)? I always loved how in Java, a method could handle an Exception and/or throw it. The method signature allows to put "throws MyException", so a good IDE/compiler would know that if you use said method somewhere in your code, you'd have to check for the Exception or declare your function to "throws" the Exception further. I'm unable to find something alike in Perl. A collegue of mine wrote a method which "dies" on incorrect input, but I forget to eval-if($@) it... offcourse the error was only discovered while a user was running the application. (offcourse I doubt if there is any existing IDE that could find these kind of things for Perl, but atleast perl -cw should be able to, no?)

  Read the article

• parallel-python error: RuntimeError("Socket connection is broken")

  - by user288558

  I am using a simple program to send a function: import pp nodes=('mosura02','mosura03','mosura04','mosura05','mosura06', 'mosura09','mosura10','mosura11','mosura12') nodes=('miner:60001',) def pptester(): js=pp.Server(ppservers=nodes) js.set_ncpus(0) tmp=[] for i in range(200): tmp.append(js.submit(ppworktest,(),(),('os',))) return tmp def ppworktest(): import os return os.system("uname -a") the result is: wkerzend@mosura:/home/wkerzend/tmp/ppython_test>ssh miner "source ~/coala_python_setup.sh;ppserver.py -d -p 60001" 2010-04-12 00:50:48,162 - pp - INFO - Creating server instance (pp-1.6.0) 2010-04-12 00:50:52,732 - pp - INFO - pp local server started with 32 workers 2010-04-12 00:50:52,732 - pp - DEBUG - Strarting network server interface=0.0.0.0 port=60001 Exception in thread client_socket: Traceback (most recent call last): File "/usr/lib64/python2.6/threading.py", line 525, in __bootstrap_inner self.run() File "/usr/lib64/python2.6/threading.py", line 477, in run self.__target(*self.__args, **self.__kwargs) File "/home/wkerzend/python_coala/bin/ppserver.py", line 161, in crun ctype = mysocket.receive() File "/home/wkerzend/python_coala/lib/python2.6/site-packages/pptransport.py", line 178, in receive raise RuntimeError("Socket connection is broken") RuntimeError: Socket connection is broken

  Read the article

• how to use web api with javascript/php?

  - by fayer

  geonames.org got a web api you can use to get all the hierarchy for a city. you just enter the id and you will get the data back in xml. http://ws.geonames.org/hierarchy?geonameId=2657896 i wonder how you fetch the url with php and javascript, and which one should i use. cause the id's are in the mysql database. i will get them with php. should i use file_get_contents, curl or fopen? and what function in javascript? jquery $.post? heard that it can only access localhost. would be great with some guidance here and even better with some code examples. thanks!

  Read the article

• jquery-Ajax call on tornado handlers waits for pervious ajax call to return

  - by harshh

  Hey All. I recently started testing TornadoWeb for a home-project, which uses jquery getJSON function to call my tornado handlers. And found something strange, which i seek an explanation for. I fire an ajax request for Handler1 on tornado, and in some cases request for Handler2 is initiated before Handler1 returns. It appears from development-server logs, and firebug console-debugging, that Handler2 request waits for Handler1 request to finish, and then return. So basically, XHR call is waiting for earlier XHRs. They are supposed to be asynchronous/non-blocking right?? Or am i missing something. You can check the test-case environment called testtornado at http://github.com/harshh/Harsh-Projects/ with main.py as server triggering file. I would appreciate help from anyone who can throw some light on this.

  Read the article

• Drupal: Sorting a view programmatically

  - by Ace

  Hey there. I'm trying to take the results of a view - using the function views_get_view_result() - and sort the array in a way I couldn't do from within the Views interface. So far so good. I've got a $rows variable with all of the stuff I need. Now... How do I put it back? :) Before I needed this sort, I used views_embed_view(), but I can't do that anymore. Grateful for any help on this, feels like I'm so close to cracking it!

  Read the article

• What's the best way to resolve a filepath?

  - by BillyONeal

  Hello everyone :) I've got a series of filepaths that look something like this: C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted C:\Windows\System32\svchost C:\Program Files (x86)\Common Files\Steam\SteamService.exe /RunAsService "C:\Program Files (x86)\Common Files\Steam\SteamService.exe" /RunAsService and I need to find these paths' actual locations. So, respectively, the above would be: C:\Windows\System32\svchost.exe C:\Windows\System32\svchost.exe C:\Program Files (x86)\Common Files\Steam\SteamService.exe C:\Program Files (x86)\Common Files\Steam\SteamService.exe What's the best way to go about doing this? Does windows have an API function to accomplish it? I essentially am trying to figure out what executable CreateProcess will call if I pass it that path. Thanks! Billy3

  Read the article

• Overload assignment operator for assigning sql::ResultSet to struct tm

  - by Luke Mcneice

  Are there exceptions for types which can't have thier assignment operator overloaded? Specifically, I'm wanting to overload the assignment operator of a struct tm (from time.h) so I can assign a sql::ResultSet to it. I already have the conversion logic: sscanf(sqlresult->getString("StoredAt").c_str(), "%d-%d-%d %d:%d:%d", &TempTimeStruct->tm_year, &TempTimeStruct->tm_mon, &TempTimeStruct->tm_mday, &TempTimeStruct->tm_hour, &TempTimeStruct->tm_min, &TempTimeStruct->tm_sec); I tried the overload with this: tm& tm::operator=(sql::ResultSet & results) { /*CODE*/ return *this; } However VS08 reports: error C2511: 'tm &tm::operator =(sql::ResultSet &)' : overloaded member function not found in 'tm'

  Read the article

• Is this valid EJB-QL?

  - by Yishai

  I have the following construct in EJB-QL several EJB 2.1 finder methods: SELECT distinct OBJECT(rd) FROM RequestDetail rd, DetailResponse dr WHERE dr.updateReqResponseParentID is not null and dr.updateReqResponseParentID = ?1 and rd.requestDetailID = dr.requestDetailID and rd.deleted is null and dr.deleted is null IDEA's EJB-QL inspection flags the use of the two object FROM RequestDetail rd, DetailResponse dr with an inspection which says: Several ranged variable declarations are not supported, use collection member declarations instead (e.g. IN(o.lineItems)) The queries themselves function fine (as in return the expected results) on JBoss 4.2. Is IDEA all wet here, or is there a valid issue with the query? And what is the actual preferred alternative syntax for such a query?

  Read the article

• Explain Python extensions multithreading

  - by Checkers

  Python interpreter has a Global Interpreter Lock, and it is my understanding that extensions must acquire it in a multi-threaded environment. But Boost.Python HOWTO page says the extension function must release the GIL and reacquire it on exit. I want to resist temptation to guess here, so I would like to know what should be GIL locking patterns in the following scenarios: Extension is called from python (presumably running in a python thread). And extension's background thread calls back into Py_* functions. And a final question is, why the linked document says the GIL should be released and re-acquired?

  Read the article

• Unable to compare valuesfrom mysql in a prepared statement

  - by Cortopasta

  I can't seem to get this to connect to the database so that I can run my prepared statement. Does anybody have an idea what I've forgotten? private function check_credentials($plain_username, $password) { global $dbcon; $ac = new ac(); $ac->dbconnect(); $userid = $dbcon->prepare('SELECT id FROM users WHERE username = :username AND password = :password LIMIT 1'); $userid->bindParam(':username', $plain_username); $userid->bindParam(':password', $password); $userid->execute(); $id = $userid->fetch(); Return $id; } EDIT: I changed the SQL query from a SELECT FROM query, to an INSERT INTO query and it worked. WHat the heck is going on?

  Read the article

• Force an unchecked call

  - by François Cassistat

  Hello, Sometimes, when using Java reflection or some special storing operation into Object, you end up with unchecked warnings. I got used to it and when I can't do anything about it, I document why one call is unchecked and why it should be considered as safe. But, for the first time, I've got an error about a unchecked call. This function : public <K,V extends SomeClass & SomeOtherClass<K>> void doSomethingWithSomeMap (Map<K,V> map, V data); I thought that calling it this way : Map someMap = ...; SomeClass someData = ...; doSomethingWithSomeMap(someMap, someData); would give me an unchecked call warning. Jikes does a warning, but javac gives me an error : Error: doSomethingWithSomeMap(java.util.Map,V) in SomeClass cannot be applied to (java.util.Map,SomeClass) Any way to force it to compile with a warning? Thanks.

  Read the article

• Boost::Thread or fork() : Multithreaded HTTP Proxy

  - by osmano807

  I'm testing boost::thread on a system. It happens that I needed to act as a fork(), because one thread modifies the other variables, even member variables of class I do the project using fork() or is there some alternative still using boost::thread? Basically I run this program in Linux and maybe FreeBSD. It is an http proxy,accept() in main thread, and a function that accepts a class (where there is the file descriptor socket) in a secondary thread that makes the service. Is there a better way to implement a proxy?

  Read the article

• Using VB6 + WSH with Windows Compression

  - by OneNerd

  Having trouble with WSH and Windows Compression. My goal is to be able to zip up files (not folders, but individual files from various locations, which I have stored in an array) using the built-in Windows Compression. I am using VB6. Here is my routine (vb6 code): Dim objShell Dim objFolder Set objShell = CreateObject("Shell.Application") Set objFolder = objShell.namespace(savePath & "\export.zip") ' -- ' loop through array holding files to zip For i = 0 To filePointer objFolder.CopyHere (filesToZip(i)) Next ' -- Set objShell = Nothing Set objFolder = Nothing It works, but issues arise when there are more than a few files. I start getting errors from Windows (presumably, its calling the compression too fast, and the zip file is locked). I cant seem to figure out how to WAIT until the COPYHERE function completes before calling the next one to avoid issues. Does anyone have any experience with this? Thanks -

  Read the article

• Generating scriptaculous ajax.autocompleter on the fly

  - by user279992

  I have a form where the user can dynamically add a new table row with fields. I'm using a simple insertCell/InsertRow with innerHTML to generate the new row. One of those form fields is using scriptaculous' ajax.autocompleter. I have it generating new IDs for all the elements, but it is still not working The new row generated by js has the same source as the initial row of the form that loads at run time, however it does not appear to be calling the autocomplete function. I think my problem lies in that I don't understand when/how the "new Ajax.Autocompleter" is called. Is it not possible to use ajax.autocompleter like this? TIA

  Read the article

• Install a vimball from the command line.

  - by Robert Massaioli

  As this post points out you can install Vimballs using the normal: vim somevimball.vba :so % :q But if you want to install a from the command line how do you do it? I ran a 'man vim' and it seems like the best "from source install" option was the '-S' option so I tried to install haskellmode with it: wget 'http://projects.haskell.org/haskellmode-vim/vimfiles/haskellmode-20090430.vba' vim -S haskellmode-20090430.vba and that failed to work. It gave me the following error: Error detected while processing function vimball#Vimball: line 10: (Vimball) The current file does not appear to be a Vimball! press ENTER or type command to continue It should be noted that using the first method I was able to successfully install the vimball. I have tried the second method on a few other vimballs and it has failed every time. Is there a way to install a vimball from the command line? It seems like a useful sort of task. Oh, and I am running the following version of vim: Version: 2:7.2.330-1ubuntu3 Thanks.

  Read the article

• Multiple aggregate functions in one SQL query from the same table using different conditions

  - by Eric Ness

  I'm working on creating a SQL query that will pull records from a table based on the value of two aggregate functions. These aggregate functions are pulling data from the same table, but with different filter conditions. The problem that I run into is that the results of the SUMs are much larger than if I only include one SUM function. I know that I can create this query using temp tables, but I'm just wondering if there is an elegant solution that requires only a single query. I've created a simplified version to demonstrate the issue. Here are the table structures: EMPLOYEE TABLE EMPID 1 2 3 ABSENCE TABLE EMPID DATE HOURS_ABSENT 1 6/1/2009 3 1 9/1/2009 1 2 3/1/2010 2 And here is the query: SELECT E.EMPID ,SUM(ATOTAL.HOURS_ABSENT) AS ABSENT_TOTAL ,SUM(AYEAR.HOURS_ABSENT) AS ABSENT_YEAR FROM EMPLOYEE E INNER JOIN ABSENCE ATOTAL ON ATOTAL.EMPID = E.EMPID INNER JOIN ABSENCE AYEAR ON AYEAR.EMPID = E.EMPID WHERE AYEAR.DATE > '1/1/2010' GROUP BY E.EMPID HAVING SUM(ATOTAL.HOURS_ABSENT) > 10 OR SUM(AYEAR.HOURS_ABSENT) > 3 Any insight would be greatly appreciated.

  Read the article

• Determining the hostname/IP address from the MX record in PHP

  - by pmmenneg

  Hi there, have a basic email domain validation script that takes a user's email domain, resolves the IP address from that and then checks that against various published blacklists. Here is how I am determining the IP: $domain = substr(strchr($email, '@'), 1); $ip = gethostbyname($domain); The problem is that some email address domains, such as [email protected], use an MX record rather than an A record, so using gethostbyname('alumni.example.net') will fail to resolve. I know when a user's email is using an MX in the email itself by using the PHP checkdnsrr function, but once at that stage am a little stuck as to how to proceed. In theory, I could parse out the 'root' domain, i.e. 'example.net' and check it, but I've not found reliable regex that can handle this task when the user could easily have an email the format of [email protected]... So, any suggestions on how to best tackle this??

  Read the article

• Installing php-module using port on osx lion. It works from command line but not from apache

  - by Lorraine Bernard

  I installed php5-intl on my osx lion. It seems to work properly on command line mode because if I try to run the following script (1): $fmt = datefmt_create( "en_US" ,IntlDateFormatter::FULL,IntlDateFormatter::FULL,'America/Los_Angeles',IntlDateFormatter::GREGORIAN ); echo "First Formatted output is ".datefmt_format( $fmt , 0)."\n"; > php -m |grep intl intl > php test.php First Formatted output is Wednesday, December 31, 1969 4:00:00 PM Pacific Standard Time But if I try to sun the same from my apache (after sudo apachectl restart) I get the following error: > tail /private/var/log/apache2/error_log PHP Fatal error: Call to undefined function datefmt_create() in P.S.: I also added the following line to my php.ini extension_dir = "/opt/local/lib/php/extensions/no-debug-non-zts-20090626" ll /opt/local/lib/php/extensions/no-debug-non-zts-20090626 total 848 -rwxr-xr-x 1 root 261712 7 May 10:54 xdebug.so -rwxr-xr-x 1 root 168912 31 May 19:53 intl.so

  Read the article

• javascript error for the textbox

  - by prince23

  hi, <asp:Button ID="Button1" runat="server" Text="Button" OnClientClick ="toggletr();" /> <script type ="text/javascript" > function toggletr() { debugger; var Inputs =$get("TextBox1"); } </script> i trying this i am getting error: Microsoft JScript runtime error: Object expected but in textbox it contains value //var Inputs = document .getElementById ("TextBox1"); if i do like this i am getting the value. can any one tell me how to solve this one in javscript using $get() or JQuery how to assign value thank you

  Read the article

• How can one prevent double encoding of html entities when they are allowed in the input

  - by Bob

  How can I prevent double encoding of html entities, or fix them programmatically? I am using the encode() function from the HTML::Entities perl module to encode HTML entities in user input. The problem here is that we also allow users to input HTML entities directly and these entities end up being double encoded. For example, a user may enter: Stackoverflow & Perl = Awesome&hellip; This ends up being encoded to Stackoverflow &amp; Perl = Awesome&amp;hellip; This renders in the browser as Stackoverflow & Perl = Awesome&hellip; We want this to render as Stackoverflow & Perl = Awesome... Is there a way to prevent this double encoding? Or is there a module or snippet of code that can easily correct these double encoding issues? Any help is greatly appreciated!

  Read the article

• jCarousel: Can you remove all items and rebind to a new collection?

  - by Jim G.

  jCarousel documentation states the following: By passing the callback function itemLoadCallback as configuration option, you are able to dynamically create (li) items for the content. {...} jCarousel contains a convenience method add() that can be passed the index of the item to create and the innerHTML string of the item to be created. My Question: Is it possible to remove all items and rebind to a new collection? BTW: I don't necessarily need a "convenience method" to do this. I'm very open to workarounds. FYI: This strategy doesn't seem to work.

  Read the article

• Java :moving ball with angle ?

  - by Meko

  Hi all.I am started to learn game physics and I am trying to move ball with an angle.But it does not change its angle .Java coordinate sydstem is a little different and i think my problem is there.Here my codes this is for calculating x and y speed scale_X= Math.sin(angle); scale_Y=Math.cos(angle); velosity_X=(speed*scale_X); velosity_Y=(speed*scale_Y); This is for moving ball in run() function ball.posX =ball.posX+(int)velosity_X; ball.posY=ball.posY+(int)velosity_Y; I used (int)velosity_X and (int)velosity_Y because in ball class I draw object g.drawOval(posX, posX, width, height); and here g.drawOval requares int.I dont know is it problem or not. Also if I use angle 30 it goes +X and +Y but if I use angle 35 it goes -X and -Y. I didnot figure out how work coordinate system on java.

  Read the article

• TMS320C64x Quick start reference for porgrammers

  - by osgx

  Hello Is thare any quickstart guide for programmers for writing DSP-accelerated appliations for TMS320C64x? I have a program with custom algorythm (not the fft, or usial filtering) and I want to accelerate it using multi-DSP coprocessor. So, how should I modify source to move computation from main CPU to DSPs? What limitations are there for DSP-running code? I have some experience with CUDA. In CUDA I should mark every function as being host, device, or entry point for device (kernel). There are also functions to start kernels and to upload/download data to/from GPU. There are also some limitations, for device code, described in CUDA Reference manual. I hope, there is an similar interface and a documentation for DSP.

  Read the article

• Passing unknown classes to String Streams in C++

  - by Sqeaky

  I am using a template function and I am passing and I may be sending instances of a variety of classes to a string stream. What can I do to make sure this continues to work? Let me be more specific where do I define the behavior for this? Is there some member that should be on each class being sent to the string stream, should I in some enhance or extend the existing String stream (I was thinking building a class that inherits from sstream and overloads the << operator to handle all the possible classes)? I had trouble even finding documentation on this, so even links to more resources would be helpful.

  Read the article

< Previous Page | 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064  | Next Page >