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  • standard c library for escaping a string.

    - by rampion
    Is there a standard C library function to escape C-strings? For example, if I had the C string: char example[] = "first line\nsecond line: \"inner quotes\""; And I wanted to print "first line\nsecond line: \"inner quotes\"" Is there a library function that will do that transformation for me? Rolling my own just seems a little silly. Bonus points if I can give it a length to escape (so it stops before or beyond the \0).

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  • C++ standard thread class?

    - by srikfreak
    I have come across many ad hoc implementations of thread class in C++, but why is there no standard library thread class like the one in Java? The one that I generally use in C++ is http://www.linuxdocs.org/HOWTOs/C++Programming-HOWTO-24.html

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  • Obtaining standard port for arbitrary protocols in PHP

    - by Trott
    I'm looking for a function that will accept a string representing the scheme portion of a URL (e.g., "http", "https", "ftp", etc.) and return the standard port. It might be used like this: echo get_port_from_protocol("http"); // 80 As a last resort, I suppose I could write something to parse through /etc/services (assuming I only need to run under UNIX-like operating systems). But surely there must be something built-in to PHP, no?

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  • DNS something is wrong?

    - by Nickolas R.
    Hello I am configuring bind9 on a server with two network interfaces, one is connected to the LAN and the other is connected to the Internet through NAT so bind is not faced directly to the Internet. Everything seems to work fine, clients can do both forward and reverse lookups but somethings seems strange. On the server if i try to ping www.google.com one time, a great amount of network activity is genereated, alot more that one would expect so i decided to sniff the traffic with tcpdump. When loading the dump into Wireshark i can see about 250 entries with "Standard query A" and "Standard query response" Here a some of the entries from the dump DNS Standard query A www.google.com DNS Standard query A blackhole-1.iana.org DNS Standard query A blackhole-2.iana.org DNS Standard query response DNS Standard query A ns2.isc-sns.com DNS Standard query A ns1.isc-sns.net DNS Standard query A ns3.isc-sns.info DNS Standard query response PTR b.iana-servers.net RRSIG DNS Standard query A auth2.dns.cogentco.com DNS Standard query A ns1.crsnic.net DNS Standard query A ns2.nsiregistry.net DNS Standard query A ns3.verisign-grs.net DNS Standard query A ns4.verisign-grs.net DNS Standard query PTR 79.52.19.199.in-addr.arpa I do not have too much experince with DNS yet, but i am pretty sure that something is wrong. Anybody that have an idea of whats is going on?

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  • What new Unicode functions are there in C++0x?

    - by luiscubal
    It has been mentioned in several sources that C++0x will include better language-level support for Unicode(including types and literals). If the language is going to add these new features, it's only natural to assume that the standard library will as well. However, I am currently unable to find any references to the new standard library. I expected to find out the answer for these answers: Does the new library provide standard methods to convert UTF-8 to UTF-16, etc.? Does the new library allowing writing UTF-8 to files, to the console (or from files, from the console). If so, can we use cout or will we need something else? Does the new library include "basic" functionality such as: discovering the byte count and length of a UTF-8 string, converting to upper-case/lower-case(does this consider the influence of locales?) Finally, are any of these functions are available in any popular compilers such as GCC or Visual Studio? I have tried to look for information, but I can't seem to find anything? I am actually starting to think that maybe these things aren't even decided yet(I am aware that C++0x is a work in progress).

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  • Is there any replication standard or concept for application server data replication

    - by Naga
    Hi friends, Say, I have a server that handles file based mass data and can process thousands of read requests and hundreds of provisioning requests(Add, modify, delete) per second. This is not SQL based database. Now i planned to implement replication. There should be master- master replication, master slave replication, partial replication(entries matching a criteria) and fractional replication(part of an entry). Is there any standard for implementing such replication mechanisms? Can you please suggest some solution overview? Thanks, Naga

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  • Unable to find standard libraries when compiling Objective-C using GNUstep on Windows

    - by Jason Roberts
    I just installed GNUstep on my Windows XP machine and I'm attempting to compile the following Objective-C Hello World program from the command line: #import <Foundation/Foundation.h> int main(int argc, const char *argv[]) { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; NSLog(@"Hello world\n"); [pool drain]; return 0; } When I try to compile the program from the command line like so gcc hello.m -o hello I end up getting the following error hello.m:1:34: Foundation/Foundation.h: No such file or directory Is there something I need to do order to inform the compiler of where the standard Objective-C libraries are located?

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  • Silverlight standard loading animation does not get displayed.

    - by Anne Schuessler
    Can anybody enlighten me as to how the standard Silverlight loading animations (the swirling blue balls) are embedded in a Silverlight application and how they work? I currently don't see it although loading the xap takes long enough for the loading animation to be displayed. The problem is that I'm creating a xap dynamically and trying to write it to the Response Stream which might somehow interfere with the way most Silverlight applications work. So maybe there's something missing from the original aspx page or ClientBin that should be there that has been lost by accident. I haven't found any helpful information about how the loading animation is integrated into Silverlight that could help me debug the problem so far. Does anyone know what the animation needs to triggered as expected?

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  • Eclipse standard warning/error overlay icons

    - by pulzar
    I'm writing an Eclipse plug-in... In my custom label decorator, I want to overlay a warning icon, and I'd like to use the standard one used by eclipse (the little yellow triangle). How can I get an image descriptor of this icon? I tried using workbench.getSharedImages().getImageDescriptor(ISharedImages .IMG_DEC_FIELD_WARNING), since that ID seems to match what I'm looking for, but the shared images collection doesn't actually have that image in it (so I just get a null returned). Is there some other shared image collection that I should be looking at?

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  • nohup SBCL ubuntu couldn't read from standard input

    - by Jim
    On Ubuntu I compiled sbcl 1.0.35 with threading. I can happily use sbcl from the command line and my hunchentoot website works with threading but when I logout it's gone. When I attempt to nohup sbcl nohup ./src/runtime/sbcl --core output/sbcl.core I get (SB-IMPL::SIMPLE-STREAM-PERROR "couldn't read from ~S" # 9) I've attempted various combinations of redirecting the standard input to /dev/null or a file and using the script command line option but I don't quite get what is going on. How do I start sbcl from the command line on linux with nohup and keep my repl(website) running?

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  • Is there a standard site structure format?

    - by artlung
    Is there a standard site structure format? The use of this would be for export and import into a CMS or framework to define the urls, content, metadata for a website. Something tool agnostic would be the goal. JSON, YAML, XML, whatever. Maybe something like: { 'baseurl': 'http://example.com', 'site': [ {'slug': '/', 'title': 'ExampleCo. Inc.'}, {'slug': '/about', 'title': 'About Our Company'}, {'slug': '/services', 'title': 'Our Services'}, {'slug': '/products', 'title': 'Products'}, {'slug': '/products/purchase', 'title': 'Purchase Products Now'}, {'slug': '/products/downloads', 'title': 'Downloads'}, {'slug': '/contact', 'title': 'Contact Us'} ] } My thinking is that it would allow you to quickly populate a content management system or framework with a generic site navigational structure. Does something like this exist?

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  • How to Handle UriFormatException in standard Web browser control in .Net Compact framework

    - by Sundar
    I have developed a browser in my application using the standard Web Browser control. It is throwing URIFormatException and the application crashes when navigating to some sites like "WWW.oosai.com" and also on clicking back or forward buttons when there is no internet connection. I tried handling the exception but it is not working try { webBrowser1.Navigate(new Uri(address)); } catch (System.UriFormatException) { return ; } the stack trace is like this bei System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind) bei System.Uri..ctor(String uriString) bei System.Windows.Forms.WebBrowser.get_Url() bei System.Windows.Forms.WebBrowser.WnProc(WM wm, Int32 wParam, Int32 lParam) bei System.Windows.Forms.Control._InternalWnProc(WM wm, Int32 wParam, Int32 lParam) bei Microsoft.AGL.Forms.EVL.EnterMainLoop(IntPtr hwnMain) bei System.Windows.Forms.Application.Run(Form fm) bei Sts.Windows.Forms.FormRunner`1.GuiThread() In one of other topic a guy as said this exception is handled gracefully by the web browser but in my case am not to handle and moreover my application crashes with a error message like "Aarya.exe as performed an illegal operation and please report this to the administrator" Can anyone one help in handling the exception and is their any event to identify the availability of internet connection in web browser control

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  • virtualenv does not copy standard modules like shutil and urllib2

    - by Barthelemy
    When I create a new virtualenv, virtualenv .virtualenvs/my_env, there is only a subset of the standard python modules copied/linked to the new virtualenv. For example, when I do ls -l in .virtualenvs/my_env/lib/python2.6, I see: ... ... os.py -> /usr/lib/python2.6/os.py ... os.pyc -> /usr/lib/python2.6/os.pyc but modules like shutil and urllib2 are not copied even if they are in /usr/lib/python2.6/shutil.py. I am using Ubuntu 9.10. Is this the expected behavior? How can I install modules such as shutil in a virtualenv (I could not find these modules on pypi)?

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  • JavaScript-like Object in Python standard library?

    - by David Wolever
    Quite often, I find myself wanting a simple, "dump" object in Python which behaves like a JavaScript object (ie, its members can be accessed either with .member or with ['member']). Usually I'll just stick this at the top of the .py: class DumbObject(dict): def __getattr__(self, attr): return self[attr] def __stattr__(self, attr, value): self[attr] = value But that's kind of lame, and there is at least one bug with that implementation (although I can't remember what it is). So, is there something similar in the standard library? And, for the record, simply instanciating object doesn't work: obj = object() obj.airspeed = 42 Traceback (most recent call last): File "", line 1, in AttributeError: 'object' object has no attribute 'airspeed' Thanks, David

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  • Including non-standard C headers in C++

    - by Swaroop S
    I needed to include a few c headers ( non standard header files ) in my C++ code to be compiled by gcc. The C header (foo.h) has support for : #ifdef __cplusplus extern "C" { #endif and similarly at the end for }. The c++ code has the include "foo.h" I believe I should be able to just include the header (foo.h) and create instances of structs defined in the .h file. I am not able to compile the source code. It seems like the compiler looks at the c code as if it were c++ code. I see error such as error: expected constructor, destructor or type conversion before "(" Did I do something wrong ? I took advise from : http://www.parashift.com/c++-faq-lite/mixing-c-and-cpp.html What else do i need to do, to tell the c++ compiler "expect and compile as c code" ?

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  • Standard Place for an Empty String Array in the JDK

    - by Simon B
    Hi is there a standard place for accessing empty array constants in the JDK 1.5. When I want to do a conversion from a String Collection (e.g. ArrayList)to a String Array I find myself using my own which is defined in my own Constants class: public static final String[] EMPTY_STRING_ARRAY = new String[0]; And then in my client code something like: String[] retVal = myStringList.toArray(Constants.EMPTY_STRING_ARRAY); return retVal; I was wondering if this is the "idiomatic" of doing it or if I'm missing something I get the impression from the brief search I did that this kind of thing is prevalent in many people's code. Any ideas, answers, comment (aside from that I shouldn't really use String Arrays) greatly appreciated, Cheers Simon

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  • Standard way of distributing source code?

    - by penyuan
    I am relatively new to programming, and have built a few working C++ commandline programs with Xcode in Mac OS X (no dependencies on Mac-only libraries or APIs). My question is: What is the standard way of packaging and distributing the source code (and possibly compiled binaries)? i.e. Almost all Linux programs seemed to be distributed that a user simply needs to run ./configure && make && make install from the source directory. Thank you.

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  • Transform data in FMPXMLRESULT grammar into a "Content Standard for Digital Geospatial Metadata (CS

    - by Andrew Igbo
    I have a problem in FileMaker; I wish to link the METADATA element/FIELD element “NAME” attribute to its corresponding data in the RESULTSET element/COL element. However, I also wish to map the METADATA element/FIELD element “NAME” to "Content Standard for Digital Geospatial Metadata (CSDGM)" metadata elements Sample XML Metadata Record with CSDGM Essential Elements Louisiana State University Coastal Studies Institute 20010907 Geomorphology and Processes of Land Loss in Coastal Louisiana, 1932 – 1990 A raster GIS file that identifies the land loss process and geomorphology associated with each 12.5 meter pixel of land loss between 1932 and 1990. Land loss processes are organized into a hierarchical classification system that includes subclasses for erosion, submergence, direct removal, and undetermined. Land loss geomorphology is organized into a hierarchical classification system that includes subclasses for both shoreline and interior loss. The objective of the study was to determine the land loss geomorphologies associated with specific processes of land loss in coastal Louisiana.

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  • MySQL Procedures : Standard/Best Place For Code Documentation?

    - by rlb.usa
    I'd like to put a paragraph or so for documentation on each of my MySQL procedures: date, author, purpose, etc. Is there a standard, accepted, or best place to put this kind of documentation? For example, In MSSQL, some IDE's will generate a template for you to start coding your procedure; it comes with a little place for code documentation. USE [MyDatabase] GO /****** Object: StoredProcedure [dbo].[StoreRecord] Script Date: 04/29/2010 09:21:57 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO -- ============================================= -- Author: -- Create date: -- Description: -- ============================================= ALTER PROCEDURE [dbo].[StoreRecord] -- ... more code ...

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  • Generating PDF files from .NET by using standard .NET GDI printing classes

    - by Philippe Leybaert
    I'm looking for a way to generate PDF files using the standard PrintDocument and Graphics (GDI) classes in .NET. As far as I know, the only way to do that is by printing to a PDF printer. The problem is that a PDF printer driver always asks for a filename, but I need to control the filename from my code. Using a PDF library like PDFSharp or DynamicPDF is not an option, because they all provide their own API for generating PDF files. I need this for an internal application, so dependencies are not a problem. My question is simple: is there a way to control a printer driver (Adobe Acrobat, PDFCreator, ...) in such a way that a filename can be specified and the user is not prompted for anything?

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