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• Problems building clamcour

  - by user10778

  Hello People, when i try to install clamcour from terminal, it gives me this error, somebody can help me? calmcourdir# ./configure checking for libraries containing socket functions... -lc checking for socket... yes checking for bind... yes checking for listen... yes checking for accept... yes checking for shutdown... yes checking for socklen_t... yes checking for struct sockaddr_un.sun_len... no System log functions checking syslog.h usability... yes checking syslog.h presence... yes checking for syslog.h... yes checking for openlog... yes checking for syslog... yes checking for closelog... yes Time functions checking whether time.h and sys/time.h may both be included... yes checking whether struct tm is in sys/time.h or time.h... time.h checking for localtime_r... yes checking for strftime... yes checking for unistd.h... (cached) yes checking limits.h usability... yes checking limits.h presence... yes checking for limits.h... yes checking for sysconf... yes BZip2 support checking bzlib.h usability... no checking bzlib.h presence... no checking for bzlib.h... no checking for BZ2_bzWriteOpen in -lbz2... no GZip support checking zlib.h usability... no checking zlib.h presence... no checking for zlib.h... no checking for gzopen in -lz... no LibClamAV support checking for /usr/bin/clamav-config... no checking for /usr/local/bin/courier-config... no checking for /usr/clamav/bin/clamav-config... no checking for /usr/local/clamav/bin/clamav-config... no ./configure: line 25234: : command not found configure: error: Cannot find clamav-config

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• Converting Generic Type into reference type after checking its type using GetType(). How ?

  - by Shantanu Gupta

  i am trying to call a function that is defined in a class RFIDeas_Wrapper(dll being used). But when i checked for type of reader and after that i used it to call function it shows me error Cannot convert type T to RFIDeas_Wrapper. EDIT private List<string> GetTagCollection<T>(T Reader) { TagCollection = new List<string>(); if (Reader.GetType() == typeof(RFIDeas_Wrapper)) { ((RFIDeas_Wrapper)Reader).OpenDevice(); // here Reader is of type RFIDeas_Wrapper //, but i m not able to convert Reader into its datatype. string Tag_Id = ((RFIDeas_Wrapper)Reader).TagID(); //Adds Valid Tag Ids into the collection if(Tag_Id!="0") TagCollection.Add(Tag_Id); } else if (Reader.GetType() == typeof(AlienReader)) TagCollection = ((AlienReader)Reader).TagCollection; return TagCollection; } ((RFIDeas_Wrapper)Reader).OpenDevice(); , ((AlienReader)Reader).TagCollection; I want this line to be executed without any issue. As Reader will always be of the type i m specifying. How to make compiler understand the same thing.

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• problem occur during installation of moses scripts

  - by lenny99

  we got error when compile moses-script. process of it as follows: minakshi@minakshi-Vostro-3500:~/Desktop/monu/moses/scripts$ make release # Compile the parts make all make[1]: Entering directory `/home/minakshi/Desktop/monu/moses/scripts' # Building memscore may fail e.g. if boost is not available. # We ignore this because traditional scoring will still work and memscore isn't used by default. cd training/memscore ; \ ./configure && make \ || ( echo "WARNING: Building memscore failed."; \ echo 'training/memscore/memscore' >> ../../release-exclude ) checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for gawk... no checking for mawk... mawk checking whether make sets $(MAKE)... yes checking for g++... g++ checking whether the C++ compiler works... yes checking for C++ compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C++ compiler... yes checking whether g++ accepts -g... yes checking for style of include used by make... GNU checking dependency style of g++... gcc3 checking for gcc... gcc checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking dependency style of gcc... gcc3 checking for boostlib >= 1.31.0... yes checking for cos in -lm... yes checking for gzopen in -lz... yes checking for cblas_dgemm in -lgslcblas... no checking for gsl_blas_dgemm in -lgsl... no checking how to run the C++ preprocessor... g++ -E checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking n_gram.h usability... no checking n_gram.h presence... no checking for n_gram.h... no checking for size_t... yes checking for ptrdiff_t... yes configure: creating ./config.status config.status: creating Makefile config.status: creating config.h config.status: config.h is unchanged config.status: executing depfiles commands make[2]: Entering directory `/home/minakshi/Desktop/monu/moses/scripts/training/memscore' make all-am make[3]: Entering directory `/home/minakshi/Desktop/monu/moses/scripts/training/memscore' make[3]: Leaving directory `/home/minakshi/Desktop/monu/moses/scripts/training/memscore' make[2]: Leaving directory `/home/minakshi/Desktop/monu/moses/scripts/training/memscore' touch release-exclude # No files excluded by default pwd=`pwd`; \ for subdir in cmert-0.5 phrase-extract symal mbr lexical-reordering; do \ make -C training/$subdir || exit 1; \ echo "### Compiler $subdir"; \ cd $pwd; \ done make[2]: Entering directory `/home/minakshi/Desktop/monu/moses/scripts/training/cmert-0.5' make[2]: Nothing to be done for `all'. make[2]: Leaving directory `/home/minakshi/Desktop/monu/moses/scripts/training/cmert-0.5' ### Compiler cmert-0.5 make[2]: Entering directory `/home/minakshi/Desktop/monu/moses/scripts/training/phrase-extract' make[2]: Nothing to be done for `all'. make[2]: Leaving directory `/home/minakshi/Desktop/monu/moses/scripts/training/phrase-extract' ### Compiler phrase-extract make[2]: Entering directory `/home/minakshi/Desktop/monu/moses/scripts/training/symal' make[2]: Nothing to be done for `all'. make[2]: Leaving directory `/home/minakshi/Desktop/monu/moses/scripts/training/symal' ### Compiler symal make[2]: Entering directory `/home/minakshi/Desktop/monu/moses/scripts/training/mbr' make[2]: Nothing to be done for `all'. make[2]: Leaving directory `/home/minakshi/Desktop/monu/moses/scripts/training/mbr' ### Compiler mbr make[2]: Entering directory `/home/minakshi/Desktop/monu/moses/scripts/training/lexical-reordering' make[2]: Nothing to be done for `all'. make[2]: Leaving directory `/home/minakshi/Desktop/monu/moses/scripts/training/lexical-reordering' ### Compiler lexical-reordering ## All files that need compilation were compiled make[1]: Leaving directory `/home/minakshi/Desktop/monu/moses/scripts' /bin/sh: ./check-dependencies.pl: not found make: *** [release] Error 127 We don't know why this error occurs? check-dependencies.pl file existed in scripts folder ...

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• How Can I Check an Object to See its Type and Return A Casted Object

  - by Russ Bradberry

  I have method to which I pass an object. In this method I check it's type and depending on the type I do something with it and return a Long. I have tried every which way I can think of to do this and I always get several compiler errors telling me it expects a certain object but gets another. Can someone please explain to me what I am doing wrong and guide me in the right direction? What I have tried thus far is below: override def getInteger(obj:Object) = { if (obj.isInstanceOf[Object]) null else if (obj.isInstanceOf[Number]) (obj:Number).longValue() else if (obj.isInstanceOf[Boolean]) if (obj:Boolean) 1 else 0 else if (obj.isInstanceOf[String]) if ((obj:String).length == 0 | (obj:String) == "null") null else try { Long.parse(obj:String) } catch { case e: Exception => throw new ValueConverterException("value \"" + obj.toString() + "\" of type " + obj.getClass().getName() + " is not convertible to Long") } }

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• Type dependencies vs directory structure

  - by paul

  Something I've been wondering about recently is how to organize types in directories/namespaces w.r.t. their dependencies. One method I've seen, which I believe is the recommendation for both Haskell and .NET (though I can't find the references for this at the moment), is: Type Type/ATypeThatUsesType Type/AnotherTypeThatUsesType My natural inclination, however, is to do the opposite: Type Type/ATypeUponWhichTypeDepends Type/AnotherTypeUponWhichTypeDepends Questions: Is my inclination bass-ackwards? Are there any major benefits/pitfalls of one over the other? Is it just something that depends on the application, e.g. whether you're building a library vs doing normal coding?

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• Accessing type-parameter of a type-parameter

  - by itemState

  i would like to access, in a trait, the type-parameter of a type-parameter of that trait. without adding this "second-order" type-parameter as another "first-order" parameter to the trait. the following illustrates this problem: sealed trait A; sealed trait A1 extends A; sealed trait A2 extends A trait B[ ASpecific <: A ] { type ASpec = ASpecific } trait D[ ASpecific <: A ] extends B[ ASpecific ] trait C[ +BSpecific <: B[ _ <: A ]] { def unaryOp : C[ D[ BSpecific#ASpec ]] } def test( c: C[ B[ A1 ]]) : C[ D[ A1 ]] = c.unaryOp the test fails to compile because apparently, the c.unaryOp has a result of type C[D[A]] and not C[D[A1]], indicating that ASpec is merely a shortcut for _ <: A and does not refer to the specific type parameter. the two-type-parameter solution is simple: sealed trait A; sealed trait A1 extends A; sealed trait A2 extends A trait B[ ASpecific <: A ] trait D[ ASpecific <: A ] extends B[ ASpecific ] trait C[ ASpecific <: A, +BSpecific <: B[ ASpecific ]] { def unaryOp : C[ ASpecific, D[ ASpecific ]] } def test( c: C[ A1, B[ A1 ]]) : C[ A1, D[ A1 ]] = c.unaryOp but i don't understand why i need to clutter my source with this second, obviously redundant, parameter. is there no way to retrieve it from trait B?

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• Change type of control by type

  - by Ruben

  Hi, I'm having following problem. I should convert a control to a certain type, this can be multiple types (for example a custom button or a custom label, ....) Here's an example of what i would like to do: private void ConvertToTypeAndUseCustomProperty(Control c) { Type type = c.getType(); ((type) c).CustomPropertieOfControl = 234567; } Thanks in advance.

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• IIS website is sending multiple content-type headers for zip files

  - by frankadelic

  We have a problem with an IIS5 server. When certain users/browsers click to download .zip files, binary gibberish text sometimes renders in the browser window. The desired behavior is for the file to either download or open with the associated zip application. Initially, we suspected that the wrong content-type header was set on the file. The IIS tech confirmed that .zip files were being served by IIS with the mime-type "application/x-zip-compressed". However, an inspection of the HTTP packets using Wireshark reveals that requests for zip files return two Content-Type headers. Content-Type: text/html; charset=UTF-8 Content-Type: application/x-zip-compressed Any idea why IIS is sending two content-type headers? This doesn't happen for regular HTML or images files. It does happen with ZIP and PDF. Is there a particular place we can ask the IIS tech to look? Or is there a configuration file we can examine?

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• Converting raw data type to enumerated type

  - by Jim Lahman

  There are times when an enumerated type is preferred over using the raw data type.  An example of using a scheme is when we need to check the health of x-ray gauges in use on a production line.  Rather than using a scheme like 0, 1 and 2, we can use an enumerated type: 1: /// <summary> 2: /// POR Healthy status indicator 3: /// </summary> 4: /// <remarks>The healthy status is for each POR x-ray gauge; each has its own status.</remarks> 5: [Flags] 6: public enum POR_HEALTH : short 7: { 8: /// <summary> 9: /// POR1 healthy status indicator 10: /// </summary> 11: POR1 = 0, 12: /// <summary> 13: /// POR2 healthy status indicator 14: /// </summary> 15: POR2 = 1, 16: /// <summary> 17: /// Both POR1 and POR2 healthy status indicator 18: /// </summary> 19: BOTH = 2 20: } By using the [Flags] attribute, we are treating the enumerated type as a bit mask.  We can then use bitwise operations such as AND, OR, NOT etc. . Now, when we want to check the health of a specific gauge, we would rather use the name of the gauge than the numeric identity; it makes for better reading and programming practice. To translate the numeric identity to the enumerated value, we use the Parse method of Enum class: POR_HEALTH GaugeHealth = (POR_HEALTH) Enum.Parse(typeof(POR_HEALTH), XrayMsg.Gauge_ID.ToString()); The Parse method creates an instance of the enumerated type.  Now, we can use the name of the gauge rather than the numeric identity: 1: if (GaugeHealth == POR_HEALTH.POR1 || GaugeHealth == POR_HEALTH.BOTH) 2: { 3: XrayHealthyTag.Name = Properties.Settings.Default.POR1XRayHealthyTag; 4: } 5: else if (GaugeHealth == POR_HEALTH.POR2) 6: { 7: XrayHealthyTag.Name = Properties.Settings.Default.POR2XRayHealthyTag; 8: }

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• Why to say, my function is of IFly type rather than saying it's Airplane type

  - by Vishwas Gagrani

  Say, I have two classes: Airplane and Bird, both of them fly. Both implement the interface IFly. IFly declares a function StartFlying(). Thus both Airplane and Bird have to define the function, and use it as per their requirement. Now when I make a manual for class reference, what should I write for the function StartFlying? 1) StartFlying is a function of type IFly . 2) StartFlying is a function of type Airplane 3) StartFlying is a function of type Bird. My opinion is 2 and 3 are more informative. But what i see is that class references use the 1st one. They say what interface the function is declared in. Problem is, I really don't get any usable information from knowing StartFlying is IFly type. However, knowing that StartFlying is a function inside Airplane and Bird, is more informative, as I can decide which instance (Airplane or Bird ) to use. Any lights on this: how saying StartFlying is a function of type IFly, can help a programmer understanding how to use the function?

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• determine complex type from a primitive type using reflection

  - by Nilotpal Das

  I am writing a tool where I need to reflect upon methods and if the parameters of the methods are complex type, then I need to certain type of actions such as instantiating them etc. Now I saw the IsPrimitive property in the Type variable. However, it shows string and decimal as complex types, which technically isn't incorrect. However what I really want is to be able to distinguish developer created class types from system defined data types. Is there any way that I can do this?

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• Hot to get generic type from object type

  - by Murat

  My Classes are; class BaseClass { } class DerivedClass1 : BaseClass { } class GenericClass<T> { } class DerivedClass2 : BaseClass { GenericClass<DerivedClass1> subItem; } I want to access all fields of DerivedClass2 class. I use System.Reflection and FieldInfo.GetValue() method; Bu I cant get subItem field. FieldInfo.GetValue() method return type is "object". And I cant cast to GenericClass<DerivedClass1> or I cant get DerivedClass1 type. I try this with BaseClass BaseClass instance = FieldInfo.Getvalue(this) as GenericClass<BaseClass>; but instance is null. How to get instance with type or how to get only type?

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• Can't seem to install imagick

  - by PolishHurricane

  I'm trying to install the PHP PEAR PECL extension "imagick" (image magick), but failing horribly. It seems that I keed installing packages to progress, but this one has me stumped. It seems to fail all the way at the bottom. Please Note: I'm using ArchLinux, apt-get doesn't save me. [root@Crux tmp]# pecl install imagick downloading imagick-3.0.1.tgz ... Starting to download imagick-3.0.1.tgz (93,920 bytes) .....................done: 93,920 bytes 13 source files, building running: phpize Configuring for: PHP Api Version: 20100412 Zend Module Api No: 20100525 Zend Extension Api No: 220100525 Please provide the prefix of Imagemagick installation [autodetect] : building in /tmp/pear/temp/pear-build-rootLbSUWT/imagick-3.0.1 running: /tmp/pear/temp/imagick/configure --with-imagick checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for a sed that does not truncate output... /bin/sed checking for cc... cc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether cc accepts -g... yes checking for cc option to accept ISO C89... none needed checking how to run the C preprocessor... cc -E checking for icc... no checking for suncc... no checking whether cc understands -c and -o together... yes checking for system library directory... lib checking if compiler supports -R... no checking if compiler supports -Wl,-rpath,... yes checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnu checking target system type... i686-pc-linux-gnu checking for PHP prefix... /usr checking for PHP includes... -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib checking for PHP extension directory... /usr/lib/php/modules checking for PHP installed headers prefix... /usr/include/php checking if debug is enabled... no checking if zts is enabled... no checking for re2c... re2c checking for re2c version... 0.13.5 (ok) checking for gawk... gawk checking whether to enable the imagick extension... yes, shared checking whether to enable the imagick GraphicsMagick backend... no checking ImageMagick MagickWand API configuration program... found in /usr/bin/MagickWand-config checking if ImageMagick version is at least 6.2.4... found version 6.7.8 Q16 checking for MagickWand.h header file... found in /usr/include/ImageMagick/wand/MagickWand.h checking PHP version is at least 5.1.3... yes. found 5.4.6 checking for ld used by cc... /usr/bin/ld checking if the linker (/usr/bin/ld) is GNU ld... yes checking for /usr/bin/ld option to reload object files... -r checking for BSD-compatible nm... /usr/bin/nm -B checking whether ln -s works... yes checking how to recognize dependent libraries... pass_all checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking dlfcn.h usability... yes checking dlfcn.h presence... yes checking for dlfcn.h... yes checking the maximum length of command line arguments... 1572864 checking command to parse /usr/bin/nm -B output from cc object... ok checking for objdir... .libs checking for ar... ar checking for ranlib... ranlib checking for strip... strip checking if cc supports -fno-rtti -fno-exceptions... no checking for cc option to produce PIC... -fPIC checking if cc PIC flag -fPIC works... yes checking if cc static flag -static works... yes checking if cc supports -c -o file.o... yes checking whether the cc linker (/usr/bin/ld) supports shared libraries... yes checking whether -lc should be explicitly linked in... no checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... no creating libtool appending configuration tag "CXX" to libtool configure: creating ./config.status config.status: creating config.h running: make /bin/sh /tmp/pear/temp/pear-build-rootLbSUWT/imagick-3.0.1/libtool --mode=compile cc -I. -I/tmp/pear/temp/imagick -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-rootLbSUWT/imagick-3.0.1/include -I/tmp/pear/temp/pear-build-rootLbSUWT/imagick-3.0.1/main -I/tmp/pear/temp/imagick -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/usr/include/ImageMagick -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/imagick/imagick_class.c -o imagick_class.lo mkdir .libs cc -I. -I/tmp/pear/temp/imagick -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-rootLbSUWT/imagick-3.0.1/include -I/tmp/pear/temp/pear-build-rootLbSUWT/imagick-3.0.1/main -I/tmp/pear/temp/imagick -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/usr/include/ImageMagick -DHAVE_CONFIG_H -g -O2 -c /tmp/pear/temp/imagick/imagick_class.c -fPIC -DPIC -o .libs/imagick_class.o /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getimagematteâ: /tmp/pear/temp/imagick/imagick_class.c:268:2: warning: âMagickGetImageMatteâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:82) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getsizeoffsetâ: /tmp/pear/temp/imagick/imagick_class.c:406:2: warning: passing argument 2 of âMagickGetSizeOffsetâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:87:3: note: expected âssize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_paintfloodfillimageâ: /tmp/pear/temp/imagick/imagick_class.c:1016:3: warning: âMagickPaintFloodfillImageâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:99) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c:1019:3: warning: âMagickPaintFloodfillImageâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:99) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getimagepropertiesâ: /tmp/pear/temp/imagick/imagick_class.c:1083:2: warning: passing argument 3 of âMagickGetImagePropertiesâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:35:5: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getimageprofilesâ: /tmp/pear/temp/imagick/imagick_class.c:1131:2: warning: passing argument 3 of âMagickGetImageProfilesâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:33:5: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_recolorimageâ: /tmp/pear/temp/imagick/imagick_class.c:1402:2: warning: âMagickRecolorImageâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:109) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_setfontâ: /tmp/pear/temp/imagick/imagick_class.c:1442:3: error: âstruct _php_core_globalsâ has no member named âsafe_modeâ /tmp/pear/temp/imagick/imagick_class.c:1442:3: error: âCHECKUID_CHECK_FILE_AND_DIRâ undeclared (first use in this function) /tmp/pear/temp/imagick/imagick_class.c:1442:3: note: each undeclared identifier is reported only once for each function it appears in /tmp/pear/temp/imagick/imagick_class.c:1442:3: error: âCHECKUID_NO_ERRORSâ undeclared (first use in this function) /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_queryformatsâ: /tmp/pear/temp/imagick/imagick_class.c:2580:2: warning: passing argument 2 of âMagickQueryFormatsâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:41:5: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_queryfontsâ: /tmp/pear/temp/imagick/imagick_class.c:2607:2: warning: passing argument 2 of âMagickQueryFontsâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:40:5: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_colorfloodfillimageâ: /tmp/pear/temp/imagick/imagick_class.c:3396:2: warning: âMagickColorFloodfillImageâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:75) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_mapimageâ: /tmp/pear/temp/imagick/imagick_class.c:3730:2: warning: âMagickMapImageâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:86) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_mattefloodfillimageâ: /tmp/pear/temp/imagick/imagick_class.c:3763:2: warning: âMagickMatteFloodfillImageâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:88) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_medianfilterimageâ: /tmp/pear/temp/imagick/imagick_class.c:3790:2: warning: âMagickMedianFilterImageâ is deprecated (declared at /usr/include/ImageMagick/wand/magick-image.h:217) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_paintopaqueimageâ: /tmp/pear/temp/imagick/imagick_class.c:3853:2: warning: âMagickPaintOpaqueImageChannelâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:104) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_painttransparentimageâ: /tmp/pear/temp/imagick/imagick_class.c:3916:2: warning: âMagickPaintTransparentImageâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:107) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_reducenoiseimageâ: /tmp/pear/temp/imagick/imagick_class.c:4059:2: warning: âMagickReduceNoiseImageâ is deprecated (declared at /usr/include/ImageMagick/wand/magick-image.h:266) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getimageattributeâ: /tmp/pear/temp/imagick/imagick_class.c:5068:2: warning: âMagickGetImageAttributeâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:59) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getimagechannelextremaâ: /tmp/pear/temp/imagick/imagick_class.c:5253:2: warning: âMagickGetImageChannelExtremaâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:78) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c:5253:2: warning: passing argument 3 of âMagickGetImageChannelExtremaâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:68:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/deprecate.h:78:3: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c:5253:2: warning: passing argument 4 of âMagickGetImageChannelExtremaâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:68:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/deprecate.h:78:3: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getimageextremaâ: /tmp/pear/temp/imagick/imagick_class.c:5506:2: warning: âMagickGetImageExtremaâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:80) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c:5506:2: warning: passing argument 2 of âMagickGetImageExtremaâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:68:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/deprecate.h:80:3: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c:5506:2: warning: passing argument 3 of âMagickGetImageExtremaâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:68:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/deprecate.h:80:3: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getimagehistogramâ: /tmp/pear/temp/imagick/imagick_class.c:5629:2: warning: passing argument 2 of âMagickGetImageHistogramâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:74:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-image.h:415:5: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getimagepageâ: /tmp/pear/temp/imagick/imagick_class.c:5740:2: warning: passing argument 2 of âMagickGetImagePageâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:74:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-image.h:192:3: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c:5740:2: warning: passing argument 3 of âMagickGetImagePageâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:74:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-image.h:192:3: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c:5740:2: warning: passing argument 4 of âMagickGetImagePageâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:74:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-image.h:192:3: note: expected âssize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c:5740:2: warning: passing argument 5 of âMagickGetImagePageâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:74:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-image.h:192:3: note: expected âssize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getimageindexâ: /tmp/pear/temp/imagick/imagick_class.c:6344:2: warning: âMagickGetImageIndexâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:65) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_setimageindexâ: /tmp/pear/temp/imagick/imagick_class.c:6369:2: warning: âMagickSetImageIndexâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:113) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getimagesizeâ: /tmp/pear/temp/imagick/imagick_class.c:6447:2: warning: âMagickGetImageSizeâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:140) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_setimageattributeâ: /tmp/pear/temp/imagick/imagick_class.c:6796:2: warning: âMagickSetImageAttributeâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:111) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_flattenimagesâ: /tmp/pear/temp/imagick/imagick_class.c:7043:2: warning: âMagickFlattenImagesâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:132) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_averageimagesâ: /tmp/pear/temp/imagick/imagick_class.c:8079:2: warning: âMagickAverageImagesâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:131) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_mosaicimagesâ: /tmp/pear/temp/imagick/imagick_class.c:8516:2: warning: âMagickMosaicImagesâ is deprecated (declared at /usr/include/ImageMagick/wand/deprecate.h:135) [-Wdeprecated-declarations] /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getpageâ: /tmp/pear/temp/imagick/imagick_class.c:9126:2: warning: passing argument 2 of âMagickGetPageâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:84:3: note: expected âsize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c:9126:2: warning: passing argument 3 of âMagickGetPageâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:84:3: note: expected âsize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c:9126:2: warning: passing argument 4 of âMagickGetPageâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:84:3: note: expected âssize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c:9126:2: warning: passing argument 5 of âMagickGetPageâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:84:3: note: expected âssize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getquantumdepthâ: /tmp/pear/temp/imagick/imagick_class.c:9154:2: warning: passing argument 1 of âMagickGetQuantumDepthâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:52:4: note: expected âsize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getquantumrangeâ: /tmp/pear/temp/imagick/imagick_class.c:9176:2: warning: passing argument 1 of âMagickGetQuantumRangeâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:53:4: note: expected âsize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getsamplingfactorsâ: /tmp/pear/temp/imagick/imagick_class.c:9247:2: warning: passing argument 2 of âMagickGetSamplingFactorsâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:59:4: note: expected âsize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getsizeâ: /tmp/pear/temp/imagick/imagick_class.c:9273:2: warning: passing argument 2 of âMagickGetSizeâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:86:3: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c:9273:2: warning: passing argument 3 of âMagickGetSizeâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:86:3: note: expected âsize_t *â but argument is of type âlong unsigned int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_getversionâ: /tmp/pear/temp/imagick/imagick_class.c:9299:2: warning: passing argument 1 of âMagickGetVersionâ from incompatible pointer type [enabled by default] In file included from /usr/include/ImageMagick/wand/MagickWand.h:73:0, from /tmp/pear/temp/imagick/php_imagick.h:49, from /tmp/pear/temp/imagick/imagick_class.c:21: /usr/include/ImageMagick/wand/magick-property.h:55:4: note: expected âsize_t *â but argument is of type âlong int *â /tmp/pear/temp/imagick/imagick_class.c: In function âzim_imagick_setimageprogressmonitorâ: /tmp/pear/temp/imagick/imagick_class.c:9534:2: error: âstruct _php_core_globalsâ has no member named âsafe_modeâ /tmp/pear/temp/imagick/imagick_class.c:9534:2: error: âCHECKUID_CHECK_FILE_AND_DIRâ undeclared (first use in this function) /tmp/pear/temp/imagick/imagick_class.c:9534:2: error: âCHECKUID_NO_ERRORSâ undeclared (first use in this function) make: *** [imagick_class.lo] Error 1 ERROR: `make' failed

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• Scala type system : basic type mismatch

  - by SiM

  I have a basic type system type mismatch problem: I have a class with a method def Create(nodeItem : NodeItem) = {p_nodeStart.addEndNode(nodeItem)} where p_nodeStart is NodeCache class NodeCache[END_T<:BaseNode] private(node: Node) extends BaseNode { def addEndNode(endNode : END_T) = {this.CACHE_HAS_ENDNODES.Create(endNode)} and the error its giving me is: error: type mismatch; found : nodes.NodeItem required: Nothing def Create(nodeItem : NodeItem) = {p_nodeStart.addEndNode(nodeItem)} while the NodeCache is defined as object NodeTrigger { def Create() { val nodeTimeCache = NodeCache.Create[NodeItem](node) and in object NodeCache object NodeCache { def Create[END_T<:BaseNode]() { val nodeCache = new NodeCache[END_T](node); Any ideas, how to fix the error?

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• A follow up on type coercion in C++, as it may be construed by type conversion

  - by David

  This is a follow up to my previous question. Consider that I write a function with the following prototype: int a_function(Foo val); Where foo is believed to be a type defined unsigned int. This is unfortunately not verifiable for lack of documentation. So, someone comes along and uses a_function, but calls it with an unsigned int as an argument. Here the story takes a turn. Foo turns out to actually be a class, which can take an unsigned int as a single argument of unsigned int in an explicit constructor. Is it a standard and reliable behavior for the compiler to render the function call by doing a type conversion on the argument. I.e. is the compiler supposed to recognize the mismatch and insert the constructor? Or should I get a compile time error reporting the type mismatch.

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• Dynamic type languages versus static type languages

  - by cvs

  What are the advantages and limitations of dynamic type languages compared to static type languages? See also: whats with the love of dynamic languages (a far more argumentative thread...)

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• Which statically typed languages support intersection types for function return values?

  - by stakx

  Initial note: This question got closed after several edits because I lacked the proper terminology to state accurately what I was looking for. Sam Tobin-Hochstadt then posted a comment which made me recognise exactly what that was: programming languages that support intersection types for function return values. Now that the question has been re-opened, I've decided to improve it by rewriting it in a (hopefully) more precise manner. Therefore, some answers and comments below might no longer make sense because they refer to previous edits. (Please see the question's edit history in such cases.) Are there any popular statically & strongly typed programming languages (such as Haskell, generic Java, C#, F#, etc.) that support intersection types for function return values? If so, which, and how? (If I'm honest, I would really love to see someone demonstrate a way how to express intersection types in a mainstream language such as C# or Java.) I'll give a quick example of what intersection types might look like, using some pseudocode similar to C#: interface IX { … } interface IY { … } interface IB { … } class A : IX, IY { … } class B : IX, IY, IB { … } T fn() where T : IX, IY { return … ? new A() : new B(); } That is, the function fn returns an instance of some type T, of which the caller knows only that it implements interfaces IX and IY. (That is, unlike with generics, the caller doesn't get to choose the concrete type of T — the function does. From this I would suppose that T is in fact not a universal type, but an existential type.) P.S.: I'm aware that one could simply define a interface IXY : IX, IY and change the return type of fn to IXY. However, that is not really the same thing, because often you cannot bolt on an additional interface IXY to a previously defined type A which only implements IX and IY separately. Footnote: Some resources about intersection types: Wikipedia article for "Type system" has a subsection about intersection types. Report by Benjamin C. Pierce (1991), "Programming With Intersection Types, Union Types, and Polymorphism" David P. Cunningham (2005), "Intersection types in practice", which contains a case study about the Forsythe language, which is mentioned in the Wikipedia article. A Stack Overflow question, "Union types and intersection types" which got several good answers, among them this one which gives a pseudocode example of intersection types similar to mine above.

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• Error checking overkill?

  - by James

  What error checking do you do? What error checking is actually necessary? Do we really need to check if a file has saved successfully? Shouldn't it always work if it's tested and works ok from day one? I find myself error checking for every little thing, and most of the time if feels overkill. Things like checking to see if a file has been written to a file system successfully, checking to see if a database statement failed.......shouldn't these be things that either work or don't? How much error checking do you do? Are there elements of error checking that you leave out because you trust that it'll just work? I'm sure I remember reading somewhere something along the lines of "don't test for things that'll never really happen".....can't remember the source though. So should everything that could possibly fail be checked for failure? Or should we just trust those simpler operations? For example, if we can open a file, should we check to see if reading each line failed or not? Perhaps it depends on the context within the application or the application itself. It'd be interesting to hear what others do. Thanks, James.

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• kernel module compiling error

  - by wati

  sh@ubuntu:/home/ccpp/helloworld$ make gcc-4.6 -O2 -DMODULE -D_KERNEL_ -W -Wall -Wstrict-prototypes -Wmissing-prototypes -isystem /lib/modules/`uname -r`/build/include -c -o hello-1.o hello-1.c hello-1.c:4:0: warning: "MODULE" redefined [enabled by default] <command-line>:0:0: note: this is the location of the previous definition hello-1.c:6:0: warning: "_KERNEL_" redefined [enabled by default] <command-line>:0:0: note: this is the location of the previous definition In file included from /lib/modules/3.2.0-25-generic/build/include/linux/list.h:4:0, from /lib/modules/3.2.0-25-generic/build/include/linux/module.h:9, from hello-1.c:7: /lib/modules/3.2.0-25-generic/build/include/linux/types.h:13:2: warning: #warning "Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders" [-Wcpp] In file included from /lib/modules/3.2.0-25-generic/build/include/linux/module.h:9:0, from hello-1.c:7: /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘INIT_LIST_HEAD’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:26:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:27:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘__list_add’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:41:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:42:5: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:43:5: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:44:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_add’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:62:28: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_add_tail’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:76:22: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘__list_del’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:88:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:89:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘__list_del_entry’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:101:18: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:101:31: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_del’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:106:18: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:106:31: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:107:7: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:108:7: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_replace’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:125:5: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:125:17: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:126:5: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:127:5: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:127:17: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:128:5: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_is_last’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:179:13: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_empty’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:188:13: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_empty_careful’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:206:31: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:207:40: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_rotate_left’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:219:15: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_is_singular’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:230:35: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:230:49: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘__list_cut_position’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:236:37: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:237:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:237:19: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:238:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:239:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:240:7: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:241:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:242:11: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_cut_position’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:265:8: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘__list_splice’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:277:32: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:278:31: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:280:7: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:281:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:283:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:284:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_splice’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:296:33: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_splice_tail’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:308:27: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_splice_init’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:322:33: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘list_splice_tail_init’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:339:27: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘INIT_HLIST_NODE’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:572:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:573:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘hlist_unhashed’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:578:11: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘hlist_empty’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:583:11: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘__hlist_del’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:588:29: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:589:31: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:592:7: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘hlist_del’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:598:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:599:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘hlist_add_head’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:612:30: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:613:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:615:8: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:615:20: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:616:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:617:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:617:15: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘hlist_add_before’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:624:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:624:17: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:625:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:626:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:626:18: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:627:5: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘hlist_add_after’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:633:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:633:16: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:634:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:635:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:635:18: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:637:9: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:638:7: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:638:29: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘hlist_add_fake’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:644:3: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:644:15: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h: In function ‘hlist_move_list’: /lib/modules/3.2.0-25-generic/build/include/linux/list.h:654:5: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:654:18: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:655:9: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:656:6: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:656:27: error: dereferencing pointer to incomplete type /lib/modules/3.2.0-25-generic/build/include/linux/list.h:657:5: error: dereferencing pointer to incomplete type In file included from /lib/modules/3.2.0-25-generic/build/include/linux/module.h:12:0, from hello-1.c:7: /lib/modules/3.2.0-25-generic/build/include/linux/cache.h: At top level: /lib/modules/3.2.0-25-generic/build/include/linux/cache.h:5:23: fatal error: asm/cache.h: No such file or directory compilation terminated. make: *** [hello-1.o] Error 1 i got this error after compiling an helloworld program my program is #define MODULE #define LINUX #define _KERNEL_ #include <linux/module.h> #include <linux/kernel.h> int init_module(void) { printk("<1>hello World 1.\n"); return 0; } void cleanup_module(void) { printk(KERN_ALERT "goodbye world 1.\n"); } MODULE_LICENSE("GPL"); my make file is: TARGET := hello-1 WARN := -W -Wall -Wstrict-prototypes -Wmissing-prototypes INCLUDE := -isystem /lib/modules/`uname -r`/build/include CFLAGS := -O2 -DMODULE -D_KERNEL_ ${WARN} ${INCLUDE} CC := gcc-4.6 ${TARGET}.o: ${TARGET}.c .PHONY: clean clean: rm -rf ${TARGET}.o iam usin kernel 3.2.0.25 as novice i can't able to figure out where the problem is I SEARCHED EVERY THING I CAN TO KNOW ABOUT THIS ERROR BUT I CANT UNDERSTAND &I GET IRRELEVANT DOCS anybody help me please

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• SQL SERVER – Summary of Month – Wait Type – Day 28 of 28

  - by pinaldave

  I am glad to announce that the month of Wait Types and Queues very successful. I am glad that it was very well received and there was great amount of participation from community. I am fortunate to have some of the excellent comments throughout the series. I want to dedicate this series to all the guest blogger – Jonathan, Jacob, Glenn, and Feodor for their kindness to take a participation in this series. Here is the complete list of the blog posts in this series. I enjoyed writing the series and I plan to continue writing similar series. Please offer your opinion. SQL SERVER – Introduction to Wait Stats and Wait Types – Wait Type – Day 1 of 28 SQL SERVER – Signal Wait Time Introduction with Simple Example – Wait Type – Day 2 of 28 SQL SERVER – DMV – sys.dm_os_wait_stats Explanation – Wait Type – Day 3 of 28 SQL SERVER – DMV – sys.dm_os_waiting_tasks and sys.dm_exec_requests – Wait Type – Day 4 of 28 SQL SERVER – Capturing Wait Types and Wait Stats Information at Interval – Wait Type – Day 5 of 28 SQL SERVER – CXPACKET – Parallelism – Usual Solution – Wait Type – Day 6 of 28 SQL SERVER – CXPACKET – Parallelism – Advanced Solution – Wait Type – Day 7 of 28 SQL SERVER – SOS_SCHEDULER_YIELD – Wait Type – Day 8 of 28 SQL SERVER – PAGEIOLATCH_DT, PAGEIOLATCH_EX, PAGEIOLATCH_KP, PAGEIOLATCH_SH, PAGEIOLATCH_UP – Wait Type – Day 9 of 28 SQL SERVER – IO_COMPLETION – Wait Type – Day 10 of 28 SQL SERVER – ASYNC_IO_COMPLETION – Wait Type – Day 11 of 28 SQL SERVER – PAGELATCH_DT, PAGELATCH_EX, PAGELATCH_KP, PAGELATCH_SH, PAGELATCH_UP – Wait Type – Day 12 of 28 SQL SERVER – FT_IFTS_SCHEDULER_IDLE_WAIT – Full Text – Wait Type – Day 13 of 28 SQL SERVER – BACKUPIO, BACKUPBUFFER – Wait Type – Day 14 of 28 SQL SERVER – LCK_M_XXX – Wait Type – Day 15 of 28 SQL SERVER – Guest Post – Jonathan Kehayias – Wait Type – Day 16 of 28 SQL SERVER – WRITELOG – Wait Type – Day 17 of 28 SQL SERVER – LOGBUFFER – Wait Type – Day 18 of 28 SQL SERVER – PREEMPTIVE and Non-PREEMPTIVE – Wait Type – Day 19 of 28 SQL SERVER – MSQL_XP – Wait Type – Day 20 of 28 SQL SERVER – Guest Posts – Feodor Georgiev – The Context of Our Database Environment – Going Beyond the Internal SQL Server Waits – Wait Type – Day 21 of 28 SQL SERVER – Guest Post – Jacob Sebastian – Filestream – Wait Types – Wait Queues – Day 22 of 28 SQL SERVER – OLEDB – Link Server – Wait Type – Day 23 of 28 SQL SERVER – 2000 – DBCC SQLPERF(waitstats) – Wait Type – Day 24 of 28 SQL SERVER – 2011 – Wait Type – Day 25 of 28 SQL SERVER – Guest Post – Glenn Berry – Wait Type – Day 26 of 28 SQL SERVER – Best Reference – Wait Type – Day 27 of 28 SQL SERVER – Summary of Month – Wait Type – Day 28 of 28 Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Optimization, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, SQL Wait Stats, SQL Wait Types, SQLServer, T SQL, Technology

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• Is type safety worth the trade-offs?

  - by Prof Plum

  I began coding in in Python primarily where there is no type safety, then moved to C# and Java where there is. I found that I could work a bit more quickly and with less headaches in Python, but then again, my C# and Java apps are at much higher level of complexity so I have never given Python a true stress test I suppose. The Java and C# camps make it sound like without the type safety in place, most people would be running into all sorts of horrible bugs left an right and it would be more trouble than its worth. This is not a language comparison, so please do not address issues like compiled vs interpreted. Is type safety worth the hit to speed of development and flexibilty? WHY? to the people who wanted an example of the opinion that dynamic typing is faster: "Use a dynamically typed language during development. It gives you faster feedback, turn-around time, and development speed." - http://blog.jayway.com/2010/04/14/static-typing-is-the-root-of-all-evil/

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• Comparison between a value with static type Array and a possibly unrelated type Class

  - by Kaoru

  I got this error: Comparison between a value with static type Array and a possibly unrelated type Class. After i modify the class to many classes (before that, everything is on 1 class (all of the functions)), but after i move everything to many classes (all the functions is not on 1 class), that error appear. How to solve this? I am using AS3 and as3isolib Library. Here is the code after i modify the function: if (Constant.dude.y < Constant._numY) { if (Constant.dude.sprites != marioBackClass) { Constant.dude.sprites = [marioBackClass]; Constant.dudeDir = "Up"; } } Here is the code before i change the function to many classes: if (dude.y < ._numY) { if (dude.sprites.toString() != marioBackClass.toString()) { dude.sprites = [marioBackClass]; dudeDir = "Up"; } }

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• Haskell type signature with multiple type somethings (predicates?, for example Eq a =>)

  - by Andrew

  I'm not sure if type predicates is the right term, in fact I've never learned the word for this, so an edit to correct would be helpful - I'm referring to when you give the tipe of function f :: a -> b and you want to say a is a Eq and you say f :: Eq a => a -> b, the name for Eq a => - this is the thing i called a type predicate. My question, though, is how to have multiple of these, so if A is an Eq and B is a Num, I could say either f :: Eq a => a -> b or f :: Num b => a -> b. So, how can I have Eq a => and Num b => at the same time? f :: Eq a => Num b => a -> b, f :: Eq a -> Num b => a -> b, and f :: Eq a, Num b => a -> b all didn't do what I wanted.

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• Help with possible Haskell type inference quiz questions

  - by Linda Cohen

  foldr:: (a -> b -> b) -> b -> [a] -> b map :: (a -> b) -> [a] -> [b] mys :: a -> a (.) :: (a -> b) -> (c -> a) -> c -> b what is inferred type of: a.map mys :: b.mys map :: c.foldr map :: d.foldr map.mys :: I've tried to create mys myself using mys n = n + 2 but the type of that is mys :: Num a => a -> a What's the difference between Num a = a - a and just a - a? Or what does 'Num a =' mean? Is it that mys would only take Num type? So anyways, a) I got [a] - [a] I think because it would just take a list and return it +2'd according to my definition of mys b) (a - b) - [a] - [b] I think because map still needs take both arguments like (*3) and a list then returns [a] which goes to mys and returns [b] c) I'm not sure how to do this 1. d) I'm not sure how to do this 1 either but map.mys means do mys first then map right? Are my answers and thoughts correct? If not, why not? THANKS!

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• Convert List of one type to Array of another type using Dozer

  - by aheu

  I'm wondering how to convert a List of one type to an array of another type in Java using Dozer. The two types have all the same property names/types. For example, consider these two classes. public class A{ private String test = null; public String getTest(){ return this.test } public void setTest(String test){ this.test = test; } } public class B{ private String test = null; public String getTest(){ return this.test } public void setTest(String test){ this.test = test; } } I've tried this with no luck. List<A> listOfA = getListofAObjects(); Mapper mapper = DozerBeanMapperSingletonWrapper.getInstance(); B[] bs = mapper.map(listOfA, B[].class); I've also tried using the CollectionUtils class. CollectionUtils.convertListToArray(listOfA, B.class) Neither are working for me, can anyone tell me what I am doing wrong? The mapper.map function works fine if I create two wrapper classes, one containing a List and the other a b[]. See below: public class C{ private List<A> items = null; public List<A> getItems(){ return this.items; } public void setItems(List<A> items){ this.items = items; } } public class D{ private B[] items = null; public B[] getItems(){ return this.items; } public void setItems(B[] items){ this.items = items; } } This works oddly enough... List<A> listOfA = getListofAObjects(); C c = new C(); c.setItems(listOfA); Mapper mapper = DozerBeanMapperSingletonWrapper.getInstance(); D d = mapper.map(listOfA, D.class); B[] bs = d.getItems(); How do I do what I want to do without using the wrapper classes (C & D)? There has got to be an easier way... Thanks!

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