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  • C# how to get current encoding type used by C# to write/read configuration for config file?

    - by 5YrsLaterDBA
    I am doing connection string encryption. we use our own encryption key with AES algorithm to do this. during the process, we need to convert string to byte array and then convert byte array back to string. I found the encoding play an important role on those conversions. So I need to know the encoding C# is using to get above conversion right. Any idea how to get current encoding programmably? thanks,

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  • about buffer overflow

    - by Abed
    hello guys, I am new to the ethical hacking world, and one of the most important things is the stack overflow, anyway I coded a vulnerable C program which has a char name [400] statement, and when I try to run the program with 401A's it doesn't overflow, but the book which I am following says it must overflow and the logic sense says so, so what's wrong???

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  • Fancybox can't open partial view

    - by 1110
    I want to open partial view in fancybox like a modal view but when I click on the link it opens whole new page but it should open that in fancybox. I don't know if this is important but I have one more function that open images in fancybox (on the same page) and it works. Class names are different @Html.ActionLink("Feedback", "New", "Feedback", null, new { @class = "lightbox" }) JS $('.lightbox').fancybox(); Action method public ActionResult New() { return PartialView(); }

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  • CSS * {margin: 0;padding: 0;} override

    - by StealthRT
    Hey all, i am in need of some help with figuring out how to override the "* {margin: 0;padding: 0;}" in my css. The reason why is that i have this css: .postcomments { width: 547px; padding: 5px 5px 5px 5px; margin: 0 0 5px 0;} .postcomments a { text-decoration: underline;} .postcomments ul { margin: 0; padding: 0; list-style-type: none;} .postcomments ul li { width: 547px; margin: 0 0 5px 0; padding: 0; list-style-type: none;} .postcomments .right { color: #474747; font-size: 11px; background: #fff url('http://www.nextbowluser.com/img/ucBG.gif') no-repeat top left; line-height: 17px; padding: 5px 0 0 0; width: 430px; position: relative; float: right; min-height: 50px;} .postcomments .right .bottom { padding: 0 5px 15px 5px; background: #fff url('http://www.nextbowluser.com/img/ucBG.gif') no-repeat bottom right; min-height: 50px;} .postcomments .arrow { left: -15px; top: 20px; position: absolute;} .avatar { border: none !important;} .postcomments .left {float: left; margin: 0 7px 0 0;} .postcomments .gravatar { background: #fff; width: 80px; height: 60px; margin: 0 0px 0 0; padding: 3px;} .postcomments .name { font-size: 11px; margin: 2px 0 0 0; color: #000;} .avatar { border: none !important;} and it displays just fine WITHOUT the * {margin: 0;padding: 0;}: 1st comment 2nd comment 3rd comment However, when i add that to the CSS, it makes the comments stack wrong: 1st comment 2nd comment 3rd comment I would just take out the * {margin: 0;padding: 0;} but some other things on the page needs that in order for that to be displayed correctly. So my question is, how can i override the {margin: 0;padding: 0;} for just that postcomments part of the page? Thanks! :o) David

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  • Two-way Trust relationship between Samba 3 and AD 2008 R2

    - by Romain
    Did somebody already make a two-way trust relationship between Samba 3 and AD ? I've got Samba 3.5 domain (ES02) controller and AD 2008 R2 domain (ES01) controller. Trust domain seems to be ok: Trusted domains list: ES01 S-1-5-21-1816646249-803782145-3669927669 Trusting domains list: ES01 S-1-5-21-1816646249-803782145-3669927669 I can login AD domain workstation with a Samba user account and access to AD domain workstation shares from Samba workstation with Samba user account. BUT, when I try to access to Samba domain workstation shares from AD domain workstation with AD account (test), I've got this: [2012/12/16 23:00:26.146090, 5] auth/auth.c:268(check_ntlm_password) check_ntlm_password: winbind authentication for user [test] FAILED with error NT_STATUS_NO_SUCH_USER [2012/12/16 23:00:26.146123, 2] auth/auth.c:314(check_ntlm_password) check_ntlm_password: Authentication for user [test] - [test] FAILED with error NT_STATUS_NO_SUCH_USER When I try to access samba share with the Administrator account that I create on both side with same password, I've got this: [2012/12/16 22:57:22.701841, 1] rpc_server/srv_pipe_hnd.c:1602(serverinfo_to_SamInfo_base) _netr_LogonSamLogon: user ES01\Administrator has user sid S-1-5-21-1816646249-803782145-3669927669-500 but group sid S-1-5-21-3405883886-2425668597-4100599511-513. The conflicting domain portions are not supported for NETLOGON calls I don't know if winbind is working because of this: wbinfo -u root nobody smb3user administrator "wbinfo -u" should list all local and trusted users, no ? Any fresh idea would be appreciated, I've been reading all the Internet for 1 week... Regards,

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  • IBM's RTC and Microsoft's TFS 2010

    - by gkdm
    Hi, What in your view are the most important differences? Need to make an expensive decision... Thanks. Information: We have both Java and .Net Projects (few more .net) Very interested in project life cycle management. Migrating from ClearCase

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  • OSX esc key stops working (randomly)

    - by Jan Hancic
    I have a 2011 macbook Air with OS X Mountain Lion (I've upgraded from Lion). And ever since upgrading my escape key randomly stops working. And it's not that the keyboard on the laptop would be damaged as the same happens if I use apple's bluetooth keyboard. So I'm guessing it's a software issue. Also in some cases pressing ctrl+esc achieves the same thing as just esc so I'm 100% it's not a hardware problem. Does anybody have any idea what this might be all about and how to fix it? edit: the escape key stops working completely but it starts working again after I restart the computer. edit2: this usually happens after the computer wakes from sleep. So it's not like that is just stopps working in the middle of using it, but rather after I put it to sleep (or just close the lid) and then open it again. Has nobody got the same issue? Is there a better place to ask OSX related questions than SuperUser maybe?

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  • Why am i getting "error:1409F07F:SSL routines:SSL3_WRITE_PENDING: bad write retry" error while attem

    - by Amit Ben Shahar
    I came across this error, and had to look in a lot of placed until i was able to find the reason for this error and thought this might save someone else the hassle. the reason is pretty simple: when SSL_Write returns with SSL_ERROR_WANT_WRITE or SSL_ERROR_WANT_READ, you have to repeat the call to SSL_write with the same parameters again, after the condition is satisfied. Calling it with different parameters, will yield the 1409F07F bar write retry error. Hope this saved someone's important time :P Amit.

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  • Reset VS2010 Project Templates?

    - by Jimbo Jones
    I installed Blend 4 RC recently but strangely it deleted some of my VS2010 projects templates, including the most important ones being Silverlight User Control and Silverlight Application. Does anybody know how to get back these templates or tell VS2010 to reset all templates? A bit frustrating, I'm having to create projects on my laptop then copy them to my desktop manually :(

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  • Streaming live video from WCF service to Silverlight

    - by Yuval Peled
    Hi, I need to stream live captured data (from a screen/web cam) from a WCF service to a Silverlight client. Since it's live data I don't mind losing packets... More important that it will be real-time data. Any suggestions how can I do it? How does the WCF service transfer it? How does the Silverlight client should consume the stream?

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  • Algorithm for autocomplete?

    - by StackUnderflow
    I am referring to the algorithm that is used to give query suggestions when a user type a search term in google. I am mainly interested in how google algorithm is able to show: 1. Most important results (most likely queries rather than anything that matches) 2. Match substrings 3. Fuzzy matches I know you could use Trie or generalized trie to find matches but it wouldn't meet the above requirements... Similar questions asked earlier here Thanks

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  • .Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is return

    - by chefsmart
    I am in a situation where when I get an HTTP 400 code from the server, it is a completely legal way of the server telling me what was wrong with my request (using a message in the HTTP response content) However, the .NET HttpWebRequest raises an exception when the status code is 400. How do I handle this? For me a 400 is completely legal, and rather helpful. The HTTP content has some important information but the exception throws me off my path.

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  • Why is a DataGridView so row-centric.

    - by Spike
    Why is there a DataGridViewRow.Cells property, but not a DataGridViewColumn.Cells property? What's so important about rows that I'll never want to iterate down a column? I'm not saying that it makes it particularly difficult to do or anything, it just strikes me as oddly asymmetrical. I'm implementing a "fill down" type behaviour, and it'd be handy is all.

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  • administrator user unable to login, suspicious user accounts "sky$", "admin$"

    - by mks
    I have a Windows 2008 R2 Standard (64 bit) running in a virtual machine. Suddenly from yesterday onwards I am not able to login as administrator. Nobody changed the password. Both in the console as well as using remote desktop I am unable to login. Whenever I login as Administrator I am getting this error: "The user name or password is incorrect" Nothing has changed in the machine and I have logged in the past successfully both through console and via remote desktop several time on the same machine. One strange behaviour I noticed is, I am seeing some additional user accounts if I try to login as other user. The suspicious user account are: sky$ admin$ SUPPORT_388945a0 Is it created by some malware/virus? Or is it some windows hidden account? Microsoft site says that SUPPORT_388945a0 is: The Support_388945a0 account enables Help and Support Service interoperability with signed scripts. This account is primarily used to control access to signed scripts that are accessible from within Help and Support Services. Administrators can use this account to delegate the ability for an ordinary user, who does not have administrative access over a computer, to run signed scripts from links embedded within Help and Support Services. These scripts can be programmed to use the Support_388945a0 account credentials instead of the user’s credentials to perform specific administrative operations on the local computer that otherwise would not be supported by the ordinary user’s account. When the delegated user clicks on a link in Help and Support Services, the script executes under the security context of the Support_388945a0 account. This account has limited access to the computer and is disabled by default. However I am not sure from where this "admin$" and "sky$" came. Anyone has similar experience?

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  • Thunderbird doesn't show folders on a new Dovecot install

    - by Zoran Zaric
    Hey, I set up a new mailserver with postfix and Dovecot some days ago, everything is working except for Thunderbird not showing any folders. Evolution shows me all folders. I migrated from a Courier install using imapsync. In the filesystem the folders don't have a INBOX in their name, so the tho folders ar called .Folder 1 not .INBOX.Folder 1. This is the output of dovecot -n: # 1.0.10: /etc/dovecot/dovecot.conf Warning: mail_extra_groups setting was often used insecurely so it is now deprecated, use mail_access_groups or mail_privileged_group instead base_dir: /var/run/dovecot/ log_timestamp: “%Y-%m-%d %H:%M:%S ” protocols: imap pop3 listen(default): *:143 listen(imap): *:143 listen(pop3): *:110 disable_plaintext_auth: no login_dir: /var/run/dovecot//login login_executable(default): /usr/lib/dovecot/imap-login login_executable(imap): /usr/lib/dovecot/imap-login login_executable(pop3): /usr/lib/dovecot/pop3-login first_valid_uid: 1001 last_valid_uid: 1001 mail_extra_groups: vmail mail_access_groups: vmail mail_location: maildir:/var/vmail/%d/%u maildir_copy_with_hardlinks: yes mail_executable(default): /usr/lib/dovecot/imap mail_executable(imap): /usr/lib/dovecot/imap mail_executable(pop3): /usr/lib/dovecot/pop3 mail_plugin_dir(default): /usr/lib/dovecot/modules/imap mail_plugin_dir(imap): /usr/lib/dovecot/modules/imap mail_plugin_dir(pop3): /usr/lib/dovecot/modules/pop3 pop3_uidl_format(default): pop3_uidl_format(imap): pop3_uidl_format(pop3): %08Xu%08Xv auth default: user: nobody passdb: driver: sql args: /etc/dovecot/dovecot-sql.conf userdb: driver: sql args: /etc/dovecot/dovecot-sql.conf socket: type: listen client: path: /var/spool/postfix/private/auth mode: 432 user: postfix group: postfix master: path: /var/run/dovecot/auth-master mode: 432 user: vmail group: vmail Thanks!

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  • Delay before download starts when serving files using nginx

    - by glumbo
    I am currently using nginx to serve downloads off my website. Users sometimes need to wait about 5 seconds before their download starts after clicking a download link. I'm not sure if I need to start using raid 10 (I'm currently using raid 50) or if this is a problem with my nginx configuration. I am also on a 1gbit line but download sometimes go as low as 10kB/s. My server: Dual Xeon 5620 CPU, 12x2TB drives with 8GB ram. This is my nginx.conf #user nobody; worker_processes 12; worker_rlimit_nofile 10240; worker_rlimit_sigpending 32768; error_log logs/error.log crit; #pid logs/nginx.pid; events { worker_connections 2048; } http { include mime.types; default_type application/octet-stream; access_log off; limit_conn_log_level info; log_format xfs '$arg_id|$arg_usr|$remote_addr|$body_bytes_sent|$status'; #sendfile on; #tcp_nopush on; reset_timedout_connection on; server_tokens off; autoindex off; keepalive_timeout 0; #keepalive_timeout 65; limit_zone one $binary_remote_addr 10m; perl_modules perl; perl_require download.pm;

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  • Using Reflection.Emit to match existing constructor

    - by yodaj007
    First, here is the C# code and the disassembled IL: public class Program<T> { private List<T> _items; public Program(T x, [Microsoft.Scripting.ParamDictionary] Microsoft.Scripting.IAttributesCollection col) { _items = new List<T>(); _items.Add(x); } } Here is the IL of that constructor: .method public hidebysig specialname rtspecialname instance void .ctor(!T x, class [Microsoft.Scripting]Microsoft.Scripting.IAttributesCollection col) cil managed { .param [2] .custom instance void [Microsoft.Scripting]Microsoft.Scripting.ParamDictionaryAttribute::.ctor() = ( 01 00 00 00 ) // Code size 34 (0x22) .maxstack 8 IL_0000: ldarg.0 IL_0001: call instance void [mscorlib]System.Object::.ctor() IL_0006: nop IL_0007: nop IL_0008: ldarg.0 IL_0009: newobj instance void class [mscorlib]System.Collections.Generic.List`1<!T>::.ctor() IL_000e: stfld class [mscorlib]System.Collections.Generic.List`1<!0> class Foo.Program`1<!T>::_items IL_0013: ldarg.0 IL_0014: ldfld class [mscorlib]System.Collections.Generic.List`1<!0> class Foo.Program`1<!T>::_items IL_0019: ldarg.1 IL_001a: callvirt instance void class [mscorlib]System.Collections.Generic.List`1<!T>::Add(!0) IL_001f: nop IL_0020: nop IL_0021: ret } // end of method Program`1::.ctor I am trying to understand the IL code by emitting it myself. This is what I have managed to emit: .method public hidebysig specialname rtspecialname instance void .ctor(!T A_1, class [Microsoft.Scripting]Microsoft.Scripting.IAttributesCollection A_2) cil managed { // Code size 34 (0x22) .maxstack 4 IL_0000: ldarg.0 IL_0001: call instance void [mscorlib]System.Object::.ctor() IL_0006: ldarg.0 IL_0007: newobj instance void class [mscorlib]System.Collections.Generic.List`1<!T>::.ctor() IL_000c: stfld class [mscorlib]System.Collections.Generic.List`1<!0> class MyType<!T>::_items IL_0011: ldarg.0 IL_0012: ldfld class [mscorlib]System.Collections.Generic.List`1<!0> class MyType<!T>::_items IL_0017: ldarg.s A_1 IL_0019: nop IL_001a: nop IL_001b: nop IL_001c: callvirt instance void class [mscorlib]System.Collections.Generic.List`1<!T>::Add(!0) IL_0021: ret } // end of method MyType::.ctor There are a few differences that I just can't figure out. I'm really close... How do I take care of the parameter attribute (ParamDictionaryAttribute)? I can't find a 'custom' opcode. Is the .param [2] important? How do I emit that? Why is the C# code stack size 8, while my emitted version is 4? Is this important?

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  • Using virtual IP with stunnel and haproxy

    - by beardtwizzle
    Hi there, We have a load-balancer setup, in which an HTTPS Request flows through the following steps:- Client -> DNS -> stunnel on Load-Balancer -> HAProxy on LB -> Web-Server This setup works perfectly when stunnel is listening to the local IP of the Load-Balancer. However in our setup we have 2 load-balancers and we want to be able to listen to a virtual IP, which only ever exists on one LB at a time (keepalived flips the IP to the second LB if the first one falls over). HAProxy has no problem in doing this (and I can ping the assigned virtual IP on the load-balancer I'm testing), but it seems stunnel hates the concept. Has anyone achieved this before (below is my stunnel config - as you can see I'm actually listening for ALL traffic on 443):- cert= /etc/ssl/certs/mycert.crt key = /etc/ssl/certs/mykey.key ;setuid = nobody ;setgid = nogroup pid = /etc/stunnel/stunnel.pid debug = 3 output = /etc/stunnel/stunnel.log socket=l:TCP_NODELAY=1 socket=r:TCP_NODELAY=1 [https] accept=443 connect=127.0.0.1:8443 TIMEOUTclose=0 xforwardedfor=yes Sorry for the long-winded question!

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  • easiest to code algorithm for rubik's cube

    - by kokokok
    edit : I should rephrase this,what would be a relatively easy algorithm to code in java for solving a rubik's cube. Efficiency is also important but a secondary consideration. orig : what is the easiest algorithm to code for solving a rubik's cube? it could be the least efficient but I am looking for something easy to code right now

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  • Anonymous methods/functions: a fundamental feature or a violation of OO principles?

    - by RD1
    Is the recent movement towards anonymous methods/functions by mainstream languages like perl and C# something important, or a weird feature that violates OO principles? Are recent libraries like the most recent version of Intel's Thread Building Blocks and Microsofts PPL and Linq that depend on such things a good thing, or not? Are languages that currently reject anonymous methods/functions, like Java, making wise choices in sticking with a purely OO model, or are they falling behind by lacking a fundamental programming feature?

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  • Importance of Software Engineering

    - by jammkie same
    I am a student , pursuing engineering in Computer science but i don not find software engineering intresting.How much important software engineering is for software professional. Can i be a good software professional with little knowledge in software engineering?

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  • process and memory issue on linux server

    - by zapping
    Need some assistance in analyzing apache and php process running on linux server. Its a 8-core intel processor with 4GB ram. When the website on it runs the top displays like this. PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 23459 username1 16 0 151m 27m 8388 S 11.3 0.7 0:11.71 php5 23730 username1 16 0 151m 28m 8388 S 11.3 0.7 0:03.87 php5 23458 username1 16 0 151m 28m 8388 S 3.0 0.7 0:19.20 php5 16202 mysql 15 0 459m 38m 4624 S 0.7 1.0 62:33.81 mysqld 24141 nobody 15 0 311m 5832 2304 S 0.3 0.1 0:00.03 httpd Why does the command say php5 when the website is accessed. Both apache and php was preconfigured so not sure whats done there. Tried setting up the same site and db on a different server but on it the process shows httpd always and not php5. The site uses mysql db. The problem is server load seems to go till about 5.x when the website was access by about 16users. When the free -m command was given the output shows total used free shared buffers cached Mem: 3941 3727 213 0 236 2734 -/+ buffers/cache: 756 3184 Swap: 4095 0 4095 Lots of memory seems to be in cache and free memory is less. Even when the website is not accessed that is leaving it very much idle for about 2days the free memory showed just 190. When the site is accessed the free memory seems to be go till 90mb then it increases to about 150mb. It always seems to remain just about 200mb. Is it somehow related to the server load showing 5.x. Will adding some more RAM resolve the load issue?

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