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  • Javascript data store solution using PhoneGap

    - by nickcartwright
    Hiya, Does anyone have any experience of storing data in JavaScript across all mobile platforms using PhoneGap? My ideal solution would be to use something like SQLite, but unfortunately SQLite isn't supported across all the platforms PhoneGap supports. I tried to ask this question a little while ago, but it got quite a few negative marks. If you think this is a bad / pointless question I would love to know as it will hopefully help me to understand the problem! Cheers, Nick.

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  • Objective C override %@ for custom objects

    - by nickcartwright
    Hey there, I'd like to override the default print function in NSLog for custom objects; For example: MyObject *myObject = [[MyObject alloc] init]; NSLog(@"This is my object: %@", myObjcet); Will print out: This is my object: <MyObject: 0x4324234> Is there a function I override in MyObject to print out a prettier description? Cheers! Nick.

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  • What is the difference between moveBackward: and moveLeft: when using NSResponder -interpretKeyEvent

    - by nciagra
    I'm implementing a custom text box using -interpretKeyEvents: and am trying to figure out what the difference is between moveBackward: vs moveLeft: and moveForward: vs moveRight:. moveLeft: is bound to the left arrow and moveBackward: is bound to Ctrl + B. The documentation describes them almost identically and they seem to behave identically in practice. I'm assuming this is just a holdover from Vim? Does anyone know what the real difference is? Should moveBackward: just call my moveLeft: implementation? Thanks a lot, Nick

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  • How to enable SmartLinking?

    - by John
    Hello, I requested a feature on Delphi's uservoice(link) ,but I didn't understood the answer of Nick Hodges. What version of Delphi supports SmartLinking? How do I enable this option in Delphi 2009/Delphi 2010? Thanks in advance.

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  • ipad: UINavigationController Inside a ModalView not pushing views

    - by nickthedude
    I have a UINavigationController with a UIViewcontroller containing a tableview that is being presented as a UIModalPresentationFormSheet on the ipad. Which works fine until I try to push another view on top of it. Nothing happens anyone else have this issue? It also works perfectly on the iphone. and the didselectrowatindexpath is not a branched method. Nick

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  • How do you rotate a two dimensional array?

    - by swilliams
    Inspired by Raymond Chen's post, say you have a 4x4 two dimensional array, write a function that rotates it 90 degrees. Raymond links to a solution in pseudo code, but I'd like to see some real world stuff. [1][2][3][4] [5][6][7][8] [9][0][1][2] [3][4][5][6] Becomes: [3][9][5][1] [4][0][6][2] [5][1][7][3] [6][2][8][4] Update: Nick's answer is the most straightforward, but is there a way to do it better than n^2? What if the matrix was 10000x10000?

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  • What is the carriage return character in an AS/400 db?

    - by donde
    I have a client running an AS/400. I have to ftp a flat file over to them. They tell me their return charaters are RN. I don't recognize this, could not find anything on it, and their tech guy is Nick Burns so he refuses to give me any dirtection. Is there a standard return code for AS/400? I should have mentioned that I have a c# .NET 2.0 console application.

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  • AJAX Issue, Works in all browsers except IE

    - by Nik
    Alright, this code works in Chrome and FF, but not IE (which is to be expected). Does anyone see anything wrong with this code that would render it useless in IE? var waittime=400; chatmsg = document.getElementById("chatmsg"); room = document.getElementById("roomid").value; sessid = document.getElementById("sessid").value; chatmsg.focus() document.getElementById("chatwindow").innerHTML = "loading..."; document.getElementById("userwindow").innerHTML = "Loading User List..."; var xmlhttp = false; var xmlhttp2 = false; var xmlhttp3 = false; function ajax_read() { if(window.XMLHttpRequest){ xmlhttp=new XMLHttpRequest(); if(xmlhttp.overrideMimeType){ xmlhttp.overrideMimeType('text/xml'); } } else if(window.ActiveXObject){ try{ xmlhttp=new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) { try{ xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } catch(e){ } } } if(!xmlhttp) { alert('Giving up :( Cannot create an XMLHTTP instance'); return false; } xmlhttp.onreadystatechange = function() { if (xmlhttp.readyState==4) { document.getElementById("chatwindow").innerHTML = xmlhttp.responseText; setTimeout("ajax_read()", waittime); } } xmlhttp.open('GET','methods.php?method=r&room=' + room +'',true); xmlhttp.send(null); } function user_read() { if(window.XMLHttpRequest){ xmlhttp3=new XMLHttpRequest(); if(xmlhttp3.overrideMimeType){ xmlhttp3.overrideMimeType('text/xml'); } } else if(window.ActiveXObject){ try{ xmlhttp3=new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) { try{ xmlhttp3=new ActiveXObject("Microsoft.XMLHTTP"); } catch(e){ } } } if(!xmlhttp3) { alert('Giving up :( Cannot create an XMLHTTP instance'); return false; } xmlhttp3.onreadystatechange = function() { if (xmlhttp3.readyState==4) { document.getElementById("userwindow").innerHTML = xmlhttp3.responseText; setTimeout("user_read()", 10000); } } xmlhttp3.open('GET','methods.php?method=u&room=' + room +'',true); xmlhttp3.send(null); } function ajax_write(url){ if(window.XMLHttpRequest){ xmlhttp2=new XMLHttpRequest(); if(xmlhttp2.overrideMimeType){ xmlhttp2.overrideMimeType('text/xml'); } } else if(window.ActiveXObject){ try{ xmlhttp2=new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) { try{ xmlhttp2=new ActiveXObject("Microsoft.XMLHTTP"); } catch(e){ } } } if(!xmlhttp2) { alert('Giving up :( Cannot create an XMLHTTP instance'); return false; } xmlhttp2.open('GET',url,true); xmlhttp2.send(null); } function submit_msg(){ nick = document.getElementById("chatnick").value; msg = document.getElementById("chatmsg").value; document.getElementById("chatmsg").value = ""; ajax_write("methods.php?method=w&m=" + msg + "&n=" + nick + "&room=" + room + "&sessid=" + sessid + ""); } function keyup(arg1) { if (arg1 == 13) submit_msg(); } var intUpdate = setTimeout("ajax_read()", waittime); var intUpdate = setTimeout("user_read()", 0);

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  • iPhone OS: making a switch statement that uses string literals as comparators instead of integers

    - by nickthedude
    So i'd like to do this: switch (keyPath) { case @"refreshCount": //do stuff case @"timesLaunched": //do other stuff } but apparently you can only use integers as the switch quantity. Is the only way to do this parse the string into an integer identifier and then run the switch statement? like this: nsinteger num = nil; if (keyPath isEqual:@"refreshCount") { num = 0 } if (keyPath isEqual:@"timesLaunched") { num = 1 } I'm trying to optimize this code to be as quick as possible because its going to get called quite often. thanks, Nick

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  • Please help! Website isn't displaying correctly in IE7

    - by Castgame
    Hey All, I recently designed a site in Drupal and it is perfect in FireFox and Safari, but wont' display correctly in IE6 or IE7. The site might be NSFW, but it's just a Pickup Artist Website: http://bradp.com. Could someone point me in the right direction of what to fix? I'd be very grateful. Thanks, Nick

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  • Accurate Sleep for Java on Windows

    - by HaBaLeS
    Does anyone know a Library which provides a Thread.sleep() for Java which has an error not higher than 1-2 Millisecond? I tried a mixture of Sleep, error measurement and BusyWait but I don't get this reliable on different windows machines. It can be a native implementation if the implementation is available for Linux and MacOS too. EDIT The link Nick provided ( http://blogs.sun.com/dholmes/entry/inside_the_hotspot_vm_clocks ) is a really good resource to understand the issues all kinds of timers/sleeps/clocks java has.

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  • Exporting makefile from Eclipse CDT

    - by Alex Farber
    I have C++ project in the Ubuntu OS, Eclipse CDT. My final goal is to build the project binaries for FreeBSD OS. The first test. I create simple C++ CDT project with main.cpp file: cout << "OK" << endl; and build it. Then I open Terminal window in Release directory: alex@alex-linux:~/workspace/HelloWorld/Release$ ls HelloWorld main.d main.o makefile objects.mk sources.mk subdir.mk alex@alex-linux:~/workspace/HelloWorld/Release$ rm HelloWorld main.d main.o alex@alex-linux:~/workspace/HelloWorld/Release$ ls makefile objects.mk sources.mk subdir.mk alex@alex-linux:~/workspace/HelloWorld/Release$ make Building file: ../main.cpp Invoking: GCC C++ Compiler g++ -O3 -Wall -c -fmessage-length=0 -MMD -MP -MF"main.d" -MT"main.d" -o"main.o" "../main.cpp" Finished building: ../main.cpp Building target: HelloWorld Invoking: GCC C++ Linker g++ -o"HelloWorld" ./main.o Finished building target: HelloWorld alex@alex-linux:~/workspace/HelloWorld/Release$ ./HelloWorld OK alex@alex-linux:~/workspace/HelloWorld/Release$ So far, so good. Now I copy the whole project tree to FreeBSD and trying to build it: $ cd /home/alex/project $ ls main.cpp release $ cd release $ ls makefile objects.mk sources.mk subdir.mk $ make "makefile", line 5: Need an operator "makefile", line 10: Need an operator "makefile", line 11: Need an operator "makefile", line 12: Need an operator CDT-generated makefile doesn't work. This is makefile beginning: $ Automatically-generated file. Do not edit! -include ../makefile.init RM := rm -rf $ All of the sources participating in the build are defined here -include sources.mk -include subdir.mk -include objects.mk ... Line 5 is -include ../makefile.init. Really, there is no such file. But it works by some way on Ubuntu computer. What is the trick, how can I build this? BTW, manually written makefile works: all: g++ -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"main.d" -MT"main.d" -o"main.o" "../main.cpp" g++ -o"HelloWorld" ./main.o Note: $ in makefile is actually #, I replaced it because # creates formatting problems inside of stackoverflow pre block.

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  • Web application development platform recommendation

    - by TK.Maxi
    Hi all I did a year's worth of Pascal, Visual Basic and C++ 15 years ago, so suffice it to say that I'm a complete n00b & lamer when it comes to this. I really do hope that this question doesn't canned, but if it does, please be so kind as to point me in the direction of where it should be posted. I have an idea, like so many others, for a web app. I don't necessarily have the capital to outsource the development of the app right now, and I probably wouldn't want to, since non-disclosure agreements can be expensive to enforce, especially in this day and age of intercontinental outsourcing. I need the app to be usable on any mobile device (eventually), primarily on the major mobile platforms at first, on the web, (pc/mac/*ix) obviously, on mobile web browsers like opera mobile, etc. I envisage the app interacting with the major social networks like fb, orkut, msn im, twitter, et al in a way where friend's are messaged and/or wall posted, a message is posted to the users wall. Geo-location functionality is a plus, considering the service/app can be location sensitive in two ways, 1, the immediate location of the user, 2. the desired location of the user. I'd like to incorporate OpenID sign on, and the flip-side, the service will require that people (service providers) list their specialities/specialisations/interests/areas of expertise, so that matches to user requests can be made by the service, while users' requests are posted into the web universe. I've probably described a glut of apps out there, but I'd appreciate feedback on the sort of platform that I should look at using, be it hosted on something like Google's app engine, or written in android friendly code, or whatever. I'm a firm believer in herd mentality, especially at the start of a project that I have very little experience in. The more opinions, the merrier! I can't get very much more specific, since that would give the idea away. Thanks for your time and I look forward to hearing from wise and experienced and the fresh and innovative alike. Thanks

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  • "jpeglib.h: No such file or directory" ghostscript port in OPENBSD

    - by holms
    Hello I have a problem with compiling a ghostscript from ports in openbsd 4.7. SO i have jpeg-7 installed, I have latest port tree for obsd4.7. ===> Building for ghostscript-8.63p11 mkdir -p /usr/ports/pobj/ghostscript-8.63p11/ghostscript-8.63/obj gmake LDFLAGS='-L/usr/local/lib -shared' GS_XE=./obj/../obj/libgs.so.11.0 STDIO_IMPLEMENTATION=c DISPLAY_DEV=./obj/../obj/display.dev BINDIR=./obj/../obj GLGENDIR=./obj/../obj GLOBJDIR=./obj/../obj PSGENDIR=./obj/../obj PSOBJDIR=./obj/../obj CFLAGS='-O2 -fno-reorder-blocks -fno-reorder-functions -fomit-frame-pointer -march=i386 -fPIC -Wall -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -fno-builtin -fno-common -DGS_DEVS_SHARED -DGS_DEVS_SHARED_DIR=\"/usr/local/lib/ghostscript/8.63\"' prefix=/usr/local ./obj/../obj/gsc gmake[1]: Entering directory `/usr/ports/pobj/ghostscript-8.63p11/ghostscript-8.63' cc -I./obj/../obj -I./src -DHAVE_MKSTEMP -O2 -fno-reorder-blocks -fno-reorder-functions -fomit-frame-pointer -march=i386 -fPIC -Wall -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -fno-builtin -fno-common -DGS_DEVS_SHARED -DGS_DEVS_SHARED_DIR=\"/usr/local/lib/ghostscript/8.63\" -DGX_COLOR_INDEX_TYPE='unsigned long long' -o ./obj/../obj/sdctc.o -c ./src/sdctc.c In file included from src/sdctc.c:17: obj/jpeglib_.h:1:21: jpeglib.h: No such file or directory In file included from src/sdctc.c:19: src/sdct.h:58: error: field `err' has incomplete type src/sdct.h:70: error: field `err' has incomplete type src/sdct.h:72: error: field `cinfo' has incomplete type src/sdct.h:73: error: field `destination' has incomplete type src/sdct.h:84: error: field `err' has incomplete type src/sdct.h:87: error: field `dinfo' has incomplete type src/sdct.h:88: error: field `source' has incomplete type gmake[1]: *** [obj/../obj/sdctc.o] Error 1 gmake[1]: Leaving directory `/usr/ports/pobj/ghostscript-8.63p11/ghostscript-8.63' gmake: *** [so] Error 2 *** Error code 2 Stop in /usr/ports/print/ghostscript/gnu (line 2225 of /usr/ports/infrastructure/mk/bsd.port.mk). I tried to place one more param in CFLAGS in Makefile with value "-I/usr/local" but no luck =( People in irc [freenode server, #openbsd channel] refuses give any help for ports at all, and even more - because this is 4.7 unstable version. I have my reasons to use this version and ports believe me =) CFLAGS+= -DSYS_TYPES_HAS_STDINT_TYPES \ -I${LOCALBASE}/include \ -I${LOCALBASE}/include/ijs \ -I${LOCALBASE}/include/libpng \

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  • Removing padding from structure in kernel module

    - by dexkid
    I am compiling a kernel module, containing a structure of size 34, using the standard command. make -C /lib/modules/$(KVERSION)/build M=$(PWD) modules The sizeof(some_structure) is coming as 36 instead of 34 i.e. the compiler is padding the structure. How do I remove this padding? Running make V=1 shows the gcc compiler options passed as make -I../inc -C /lib/modules/2.6.29.4-167.fc11.i686.PAE/build M=/home/vishal/20100426_eth_vishal/organised_eth/src modules make[1]: Entering directory `/usr/src/kernels/2.6.29.4-167.fc11.i686.PAE' test -e include/linux/autoconf.h -a -e include/config/auto.conf || ( \ echo; \ echo " ERROR: Kernel configuration is invalid."; \ echo " include/linux/autoconf.h or include/config/auto.conf are missing."; \ echo " Run 'make oldconfig && make prepare' on kernel src to fix it."; \ echo; \ /bin/false) mkdir -p /home/vishal/20100426_eth_vishal/organised_eth/src/.tmp_versions ; rm -f /home/vishal/20100426_eth_vishal/organised_eth/src/.tmp_versions/* make -f scripts/Makefile.build obj=/home/vishal/20100426_eth_vishal/organised_eth/src gcc -Wp,-MD,/home/vishal/20100426_eth_vishal/organised_eth/src/.eth_main.o.d -nostdinc -isystem /usr/lib/gcc/i586-redhat-linux/4.4.0/include -Iinclude -I/usr/src/kernels/2.6.29.4-167.fc11.i686.PAE/arch/x86/include -include include/linux/autoconf.h -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Os -m32 -msoft-float -mregparm=3 -freg-struct-return -mpreferred-stack-boundary=2 -march=i686 -mtune=generic -Wa,-mtune=generic32 -ffreestanding -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -pipe -Wno-sign-compare -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -Iarch/x86/include/asm/mach-generic -Iarch/x86/include/asm/mach-default -Wframe-larger-than=1024 -fno-stack-protector -fno-omit-frame-pointer -fno-optimize-sibling-calls -g -pg -Wdeclaration-after-statement -Wno-pointer-sign -fwrapv -fno-dwarf2-cfi-asm -DTX_DESCRIPTOR_IN_SYSTEM_MEMORY -DRX_DESCRIPTOR_IN_SYSTEM_MEMORY -DTX_BUFFER_IN_SYSTEM_MEMORY -DRX_BUFFER_IN_SYSTEM_MEMORY -DALTERNATE_DESCRIPTORS -DEXT_8_BYTE_DESCRIPTOR -O0 -Wall -DT_ETH_1588_051 -DALTERNATE_DESCRIPTORS -DEXT_8_BYTE_DESCRIPTOR -DNETHERNET_INTERRUPTS -DETH_IEEE1588_TESTS -DSNAPTYPSEL_TMSTRENA_TEVENTENA_TESTS -DT_ETH_1588_140_147 -DLOW_DEBUG_PRINTS -DMEDIUM_DEBUG_PRINTS -DHIGH_DEBUG_PRINTS -DMODULE -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(eth_main)" -D"KBUILD_MODNAME=KBUILD_STR(conxt_eth)" -c -o /home/vishal/20100426_eth_vishal/organised_eth/src/eth_main.o /home/vishal/20100426_eth_vishal/organised_eth/src/eth_main.c

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  • autoconf libtool library linker path incorrect (need drive-letter) for MinGW ld.exe in Cygwin

    - by Tam Toucan
    I use autoconf and when the target is mingw I was using the -mno-cygwin flag. This has been removed so I'm trying to using the mingw tool chain. The problem is the linker isn't finding my libraries /bin/sh ../../../libtool --tag=CXX --mode=link mingw32-g++ -g -Wall -pedantic -DNOMINMAX -D_REENTRANT -DWIN32 -I /usr/local/include/w32api -L/usr/local/lib/w32api -o testRandom.exe testRandom.o -L../../../lib/Random -lRandom libtool: link: mingw32-g++ -g -Wall -pedantic -DNOMINMAX -D_REENTRANT -DWIN32 -I /usr/local/include/w32api -o .libs/testRandom.exe testRandom.o -L/usr/local/lib/w32api -L/home/Tam/src/3DS_Games/lib/Random -lRandom D:\cygwin\opt\MinGW\bin\..\lib\gcc\mingw32\3.4.5\..\..\..\..\mingw32\bin\ld.exe: cannot find -lRandom To link this from the command line using the mingw linker the -L path needs the drive letter i.e mingw32-ld testRandom.o -LD:/home/Tam/src/3DS_Games/lib/Random -lRandom works. The -L path is generated from the makefile.am's which have LDADD = -L$(top_builddir)/lib/Random -lRandom However I can't find how to set top_builddir to a relative path or to start it with the drive letter (my autoconf skills are weak). As a tempoary "solution" I have removed the use of libtool. I could hack a $(DRIVE_LETTER) infront of every -L option, but I'd like to find something better.

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