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  • how do I set a delegate in a view that is not my main view

    - by orangecl4now
    I have a xib. the xib has a button that swaps another xib. the second xib has a uitextfield and a uilabel. how do I make the keyboard go away when I'm done typing? what do I need to wire or code? the second xib has it's own class (called CustomSign.m) Inside CustomSign.m, I've implemented the following method -(void)textFieldDidEndEditing:(UITextField *)textField { [customText resignFirstResponder]; signedLabel.text = customText.text; } - (void)awakeFromNib { //assume textField is an ivar that is connected to the textfield in IB [customText setDelegate:self]; } I get the following warning Class "CustomSign" does not implement the UITextFieldDelegate protocol

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  • Code crashing compiler: main() returning a struct instead of an int

    - by AndrejaKo
    Hi! I'm experimenting with a piece of C code. Can anyone tell me why is VC 9.0 with SP1 crashing for me? Oh, and the code is meant to be an example used in a discussion why something like void main (void) is evil. struct foo { int i; double d; } main (double argc, struct foo argv) { struct foo a; a.d=0; a.i=0; return a.i; } If I put return a; compiler doesn't crash.

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  • NSOperationqueue i want to block main thread

    - by alexeyndru
    i want to block the main thread until something else is done in the background. i used: result=[self performSelectorInBackground:@selector(calculate:) withObject:expression]; just bellow this line I am using result: [self use:result]; i dont want to use result until it is available. to achieve this I implemented calculate: { [[(AppDelegate *)[[UIApplication sharedApplication] delegate] queue] waitUntilAllOperationsAreFinished]; calculating result... } and still, the result is used before it is calculated. so, i didnt block the main thread. pls help me do that. thanks

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  • Denying main links with .htaccess or anything else

    - by user1640660
    I'm using an encrypted php program with smarty template. I wanted to open links such as index.php?page=login to open with login.php, so I used Rewrite mode in .htaccesss, for example RewriteRule ^/*login.php$ /index.php?page=login [L] in a few pages there should be a query for errors such as RewriteRule ^/*support.php?(.+)$ /index.php?page=support&%{QUERY_STRING} [L] It works but I need to deny the main URLs so when users enters index.php?a=login manually nothing (or the main page) would show up and he should open the link only with /login.php. Is there a way to do this? A little help please...

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  • WinMain not called before main (C/C++ Program Entry Point Issue)

    - by BT
    I was under the impression that this code #include <windows.h> #include <stdio.h> int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) { printf("WinMain\n"); return 0; } int main() { printf("main\n"); return 0; } would output WinMain, but of course nothing ever works how you expects. Anyways, could somebody please tell me how to get this program to run WinMain first (I do have a reason for using both). I'm running windows 7 with mingw if that helps anything.

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  • Rails: Thread won't affect database unless joined to main Thread

    - by hatboysam
    I have a background operation I would like to occur every 20 seconds in Rails given that some condition is true. It kicked off when a certain controller route is hit, and it looks like this def startProcess argId = self.id t = Thread.new do while (Argument.isRunning(argId)) do Argument.update(argId) Argument.markVotes(argId) puts "Thread ran" sleep 20 end end end However, this code does absolutely nothing to my database unless I call "t.join" in which case my whole server is blocked for a long time (but it works). Why can't the read commit ActiveRecords without being joined to the main thread? The thread calls methods that look something like def sample model = Model.new() model.save() end but the models are not saved to the DB unless the thread is joined to the main thread. Why is this? I have been banging my head about this for hours.

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  • HowTo check whether Exception Block is available for the main PLSQL block or routine

    - by user1297211
    I am trying to think of a validator that checks for Exception block available in PL/SQL block or any routine for the main body ( Highlighted in Bold). Eg : DECLARE some data Procedure xyx IS BEGIN .... EXCEPTION .. END; BEGIN some data BEGIN .... EXCEPTION .. END; **EXCEPTION** some data BEGIN .... EXCEPTION .. END; END; This is a simple example there can be many other scenarios but my need id to find that Exception block is avaialble for the main block of PL/SQL code. Please let me know if you have any suggestion. Thanks

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  • How to copy the memeory allocated in device function back to main memory

    - by xhe8
    I have a CUDA program containing a host function and a device function Execute(). In the host function, I allocate a global memory output which will then be passed to the device function and used to store the address of the global memory allocated within the device function. I want to access the in-kernel allocated memory in the host function. The following is the code: #include <stdio.h> typedef struct { int * p; int num; } Structure_A; \__global__ void Execute(Structure_A *output); int main(){ Structure_A *output; cudaMalloc((void***)&output,sizeof(Structure_A)*1); dim3 dimBlockExecute(1,1); dim3 dimGridExecute(1,1); Execute<<<dimGridExecute,dimBlockExecute>>>(output); Structure_A * output_cpu; int * p_cpu; cudaError_t err; output_cpu= (Structure_A*)malloc(1); err=cudaMemcpy(output_cpu,output,sizeof(Structure_A),cudaMemcpyDeviceToHost); if( err != cudaSuccess) { printf("CUDA error a: %s\n", cudaGetErrorString(err)); exit(-1); } p_cpu=(int *)malloc(1); err=cudaMemcpy(p_cpu,output_cpu[0].p,sizeof(int),cudaMemcpyDeviceToHost); if( err != cudaSuccess) { printf("CUDA error b: %s\n", cudaGetErrorString(err)); exit(-1); } printf("output=(%d,%d)\n",output_cpu[0].num,p_cpu[0]); return 0; } \__global__ void Execute(Structure_A *output){ int thid=threadIdx.x; output[thid].p= (int*)malloc(thid+1); output[thid].num=(thid+1); output[thid].p[0]=5; } I can compile the program. But when I run it, I got a error showing that there is a invalid argument in the following memory copy function. "err=cudaMemcpy(p_cpu,output_cpu[0].p,sizeof(int),cudaMemcpyDeviceToHost);" CUDA version is 4.2. CUDA card: Tesla C2075 OS: x86_64 GNU/Linux

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  • How to create 1280x720 music video with static pic

    - by monov
    I wanna upload a song to youtube, and put a static 1280x720 pic as the video. I'd like the format to be one of the recommended ones. I tried Windows Movie Maker 2.6 but it only generated a 640x480 video. I also tried Windows Live Movie Maker but it put a big black margin around my pic (and unexplicably, produced a video with a slightly lower volume). Do you know any way to do what I need?

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  • domain is pointing to default static page on server but settings look correct

    - by Cues
    I have edited my apache vhost file in /etc/apache2/sites-enabled to add the following: <VirtualHost *:80> ServerName www.mysite.cn ServerAlias mysite.cn *.mysite.cn DocumentRoot /home/user/static/mysite/cn </VirtualHost> It still points to the default site on the server when i browse to mysite.cn but when i enter anything along the lines of ww3.mysite.cn it point to the new correct document root any clues of what the problem could be as i am lost.

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  • Static build ffmpeg 0.8

    - by Riduidel
    Is there anywhere an available static build of ffmpeg with all encoder/decoders libs for Linux (not a source tarball, but a binary) ? Although this question seems trivial, I spent the last half hour looking for it, without any success. EDIT I'm looking for binary to be run on x86 Suse 10 systems. Notice I can't use local package manager as all update repositories have bene removed by admin (to avoid uncontrolled software update).

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  • browser blocking image download when nginx was placed infront of apache to serve static content

    - by railscoder
    I was tying to place nginx infront of apache to server static content. This set up was performing better than just having apache. but suddenly some change caused images getting blocked for like 2-3sec before actually downloading with apache+nginx setup. It doesnt happen with apache only set up? Any idea why it is happening with nginx? this was happening even i removed all external js from the page

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  • Ubuntu box static routing problem

    - by Rafael
    Hello, I'm trying to configure a ubuntu server to be a router. This is my interface configuration (eth2 connects to my WAN, eth0 to my LAN): auto eth2 iface eth2 inet static address 192.168.0.249 netmask 255.255.255.0 gateway 192.168.0.1 broadcast 192.168.0.255 auto eth0 iface eth0 inet static address 192.168.100.1 netmask 255.255.255.0 This is the router information: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.100.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2 0.0.0.0 192.168.0.1 0.0.0.0 UG 100 0 0 eth2 And this is dhcp configuration: subnet 192.168.100.0 netmask 255.255.255.0 { range 192.168.100.101 192.168.100.254; option domain-name-servers 201.70.86.133; option routers 192.168.100.1; authoritative; } I'm then connecting a mac os x by cable on eth0. This is en0 interface configuration: en0: flags=8963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 ether 00:26:bb:5d:82:b0 inet6 fe80::226:bbff:fe5d:82b0%en0 prefixlen 64 scopeid 0x4 inet 192.168.100.101 netmask 0xffffff00 broadcast 192.168.100.255 media: autoselect (100baseTX <full-duplex>) status: active And this is the routing table: Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.100.1 UGSc 139 32 en0 10.37.129/24 link#8 UC 2 0 vnic1 10.37.129.2 0:1c:42:0:0:9 UHLWI 0 839 lo0 10.37.129.255 ff:ff:ff:ff:ff:ff UHLWbI 0 4 vnic1 10.211.55/24 link#7 UC 2 0 vnic0 10.211.55.2 0:1c:42:0:0:8 UHLWI 0 840 lo0 10.211.55.255 ff:ff:ff:ff:ff:ff UHLWbI 0 4 vnic0 127 127.0.0.1 UCS 0 0 lo0 127.0.0.1 127.0.0.1 UH 3 507924 lo0 169.254 link#4 UCS 0 0 en0 172.16.42/24 link#10 UC 2 0 vmnet8 172.16.42.1 0:50:56:c0:0:8 UHLWI 0 839 lo0 172.16.42.255 link#10 UHLWbI 1 24 vmnet8 192.168.100 link#4 UC 2 0 en0 192.168.100.1 0:e0:7c:7e:f:99 UHLWI 139 0 en0 777 192.168.100.101 127.0.0.1 UHS 0 0 lo0 192.168.100.255 ff:ff:ff:ff:ff:ff UHLWbI 0 4 en0 192.168.116 link#9 UC 2 0 vmnet1 192.168.116.1 0:50:56:c0:0:1 UHLWI 0 839 lo0 192.168.116.255 ff:ff:ff:ff:ff:ff UHLWbI 0 4 vmnet1 When I ping 192.168.100.1, it works. When I ping 192.168.0.249, it also works. However, when I try to ping 192.168.0.1 it does not. Does anyone has any way to solve this? Is there a way to debug it? Thanks,

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  • Setup a vpn server with a static IP with NAT and port forwarding

    - by Lorenzo Pistone
    I have a Debian VPS with an assigned static IP. I want to setup a virtual interface (with an ip like 192.168..) on my laptop (Ubuntu, dynamic IP) linked to the remote VPS, so that if I bind sockets to it the traffic is tunneled to the VPS and sent to the Internet from there. Port forwarding must be available. This looks like a job for a VPN software, but I'm clueless about the pieces of software needed. Any advice?

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  • Can't get my Raspberry Pi to keep a static IP

    - by JonnyIrving
    I recently got given a Raspberry Pi and I would like to be able to remote into it using puTTy from my laptop so I don't have to sit next to my tv with a keyboard and mouse to use it. I am able to get a puTTy session going when I know the IP address that my router has given the Pi on each session but it keeps changing on each reboot as I would expect. So I followed a number if instruction to go about configuring the RPi to keep a static IP address. This involved changing the file at '/etc/netwrok/interfaces' which now contains (password removed): auto lo iface lo inet loopback iface eth0 inet static address 192.168.1.82 netmask 255.255.255.0 gateway 192.168.1.254 auto wlan0 allow-hotplug wlan0 iface wlan0 inet dhcp wpa-ssid "BeBoxD304BF" wpa-psk "**********" Despite this however, each time I reboot my RPi it gives me a new dynamic IP address still. I also noticed that in the 'ifconfig' output below that the details of the eth0 doesn't contain IP details for inet addr, Bcast or Mask which have been present in all other examples I have seen online. eth0 Link encap:Ethernet HWaddr b8:27:eb:b5:95:da UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) wlan0 Link encap:Ethernet HWaddr 00:87:c6:00:33:77 inet addr:192.168.1.83 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:918 errors:0 dropped:0 overruns:0 frame:0 TX packets:277 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 Also I'm not sure if this is relevant but it can't hurt! The file at '/etc/resolv.conf' contains: domain config search config nameserver 192.168.1.254 ..I heard it might mean something on one of the pages I was looking at. I would be very grateful for any help with this. I have tried everything I can think of and would really like to get this working this weekend so I can use it from work.

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  • Defining a persistent static route on Mac OS X

    - by Charles Duffy
    How does one define a static route on MacOS X which persists through reboots? The only suggestion I've found on Google advises setting up a launchd service to run at boot, which seems like a horrible hack (does it survive a network restart without rebooting, for instance?) To set up the route I need temporarily, I can run the following: route add -net ${network} ${gateway} ${netmask} How would I make this persist?

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  • anti-static foam under a motherboard?

    - by user29734
    I am modding out a custom built case/system. I have my motherboard mounted on a metal tray, (Dell did this) has been working great. Not I am modding the case to hold everything and how I want to mount the motherboard on the tray I have a slight gap between the wall of the case and the motherboard/tray. Can I put a piece of thin anti-static foam/packaging in between the tray and the case? That is safe right?

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