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  • Rails SQL injection?

    - by yuval
    In Rails, when I want to find by a user given value and avoid SQL injection (escape apostrophes and the like) I can do something like this: Post.all(:conditions => ['title = ?', params[:title]]) I know that an unsafe way of doing this (possible SQL injection) is this: Post.all(:conditions => "title = #{params[:title]}") My question is, does the following method prevent SQL injection or not? Post.all(:conditions => {:title => params[:title]})

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  • binlog_format = STATEMENT and CURRENT_TIMESTAMP with MySQL replication

    - by xma
    Hi, can a MySQL slave instance have different row values for the same ID when binlog_format is set to STATEMENT and we insert something like: insert into foo values(CURRENT_TIMESTAMP) As I understand it, the slave read the SQL statement and execute it thus, if the replication is lagging, could lead to differences for the same row. Right or wrong ? How can I avoid this situation ? Thank you.

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  • "Access denied" to C:\Documents and Settings after removing malware?

    - by Rising Star
    My Windows 7 PC became infected with the so-called "Malware Protection designed to protect" trojan while I was at work the other day. I managed to kill the process so that the malware is no longer running. The removal instructions specify to delete the following file: c:\documents and settings\all users\application data\defender.exe However, when I click to c:\documents and settings, it says "Access denied". Prior to this malware infection, I've never had any trouble accessing "Documents and Settings" or "Application Data." I read that in Windows 7, c:\documents and settings is a psudonym for c:\users, but I still cannot find the file defender.exe. Suggestions?

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  • Experiences using Wt C++ framework?

    - by StackedCrooked
    Has anyone actually used Wt? Did it work well? Did you experience certain limitations? Or advantages? Note: Please avoid the discussion of whether C++ is suited to be a web development language. I just want to give Wt a try because it seems like a fun thing to do.

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  • Can anybody tell me exactly what the Object doesn't support this property or method means in IE for

    - by helle
    Hey guys, while surfing through the web and through stackoverflow.com i found many posts in forums, etc. where this message occures in IE but not in the other browsers. the thing is, the resolutions vary widely and it's not clear for me what's the best way to avoid this problem. So my question is, if anybody knows exactly, specificly what this message Object doesn't support this property or method means, causes, says ,... thanks for help. helle

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  • Web hosting a setup where both Windows and Linux are required

    - by lk
    I have a system where a website needs to be hosted on a Linux machine while a backend application that the site talks to needs to reside on Windows. Is there any "common practice" for such hosting? Note - both of the systems are mine so there is the dilemma of whether to have the machines physically located together to avoid delay for calls over the net.

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  • how can I get around no arrays as class constants in php?

    - by user151841
    I have a class with a static method. There is an array to check that a string argument passed is a member of a set. But, with the static method, I can't reference the class property in an uninstantiated class, nor can I have an array as a class constant. I suppose I could hard code the array in the static method, but then if I need to change it, I'd have to remember to change it in two places. I'd like to avoid this.

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  • Truecrypt on Linux (permission confusion)

    - by xcross
    I am pretty inexperienced with Linux... So please bare with me here. I keep running into permission problems when working with truecrypt on Linux. Currently, I run truecrypt as root to mount my encrypted devices and containers. This all works fine, but I have to interact with the mounted volumes in the terminal as root, and I can't seem to use many of my applications on the files... Either because they can't be run as root or I don't know how to use them from the terminal. This seems really inconvenient to me. How do people deal with this? Am I missing something, or is this just the way things have to be? I am on Fedora 17 (KDE spin) now but I have this trouble with any distro I try.

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  • Firefox unable to load SSL Certificate Chain, while Chrome, IE do

    - by FryBurger
    I created a certificate for our IIS 6 by sending a request (created with openssl) to our organization's CA. I already had trouble to integrate the private key into that certificate, that has been solved, see SO question IIS 6.0 now uses the certificate (with TSL v1 and SSL v3), that is the 4th in cert hierarchy. Now, if I access the intranet site, chrome accepts the certificate, so does IE, but Firefox complains about an insecure connection and wants me to add an exceptional rule. If I look into the certificate, how FF presents it to me, I cannot see any of the three issuers. How can this be? If I connect via openssl s_client -showcerts -connect... I only see my own certificate too, which is said to be not verified. I am quite confused now. Where's the mistake and how can I make FF accept certificate without forcing our users to add that exceptionrule? Maybe do I have to add all the three issuer certificates into cert store of the win2003 server that hosts IIS 6.0 ??

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  • Start Line with (New... in VB.net

    - by pedro_cesar
    Hello; Why can't I start a line using a parenthesis followed by the keyword new?? For example: (New <custom_obj>).foo(var) In that case is obvious that I'm trying to avoid creating a named instance of the the <custom_obj> because I know that I'll only be using it at that sentence. Note that actually creating a named instance is not a problem for me... I just wanna know the reason why this is not possible.

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  • FTP Folder Permissions / IIS8

    - by raam030
    I am having trouble copying information from one folder on an FTP site to another folder. Accessing the FTP site from a windows explorer. I have set Full Control over the parent folder, and I double checked...I have full control over the two folders that is trying to copy information from and to. It actually lets you right click and copy. Then when you try to go to another folder and right-click and paste, the paste option is grayed out. I was able to do it before and no one has changed the IIS permissions. I believe it's a Windows issue. Is it possible that even though the permissions are set to give full control over that directory, that something else is interfering? I did double check the IIS permissions. I am not on a domain, using anonymous access, made sure the access control is set to read/write.

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  • Looking for concise set of instructions for upgrading Vmware 5.1 to 5.5

    - by Michael Martinez
    I'm trying to find a set of instructions for upgrading Vmware (ESXi and Vsphere) from 5.1 to 5.5, but all I'm finding online is a bunch of separate, incomplete knowledgebase articles which is making it difficult to get an overview of what's involved. What I'd like is a single, concise document that lists the steps involved. It could be a free online article, someone's blog, a small booklet, someone here who takes the trouble to write it out. Does such a thing exist? If so, can you provide the reference or even provide the text here. I'm running a very small, simple environment consisting of two ESXi hosts and Vsphere Standard edition. Thanks.

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  • How to install a mmc certificate on Windows?

    - by Alex
    I am not familiar with Windows very much, and I have trouble installing a MMC certificate. I am following this description to use MMC to create a certificate, but I cannot complete the step labeled ' Install or view the certificates under:'. There is nothing unter 'ConsoleRoot' - 'Certificates (Local Computer)' - 'Personal', and when I try to find the certificate I cannot find it. There is another page with nice screenshots, which works until step 9 when I am about to choose the certificate file. I do not know where this file is been created, if at all. How can I create/install/import this certificate? I require this in order to use the powershell Enter-PSSession from a remote machine...

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  • Is @font-face usable now?

    - by Nimbuz
    I have to use a fancy font in a project but I'd really like to avoid sifr and other ugly alternatives so I'm looking at @font-face. However, I'm really confused with several blog/sites offering different views on its usability. Is is ready yet? Which browsers support it today? Thanks

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  • Issues with new graphics card and drivers

    - by Ortund
    With my onboard graphics card (Intel HD 4000) I was able to use 1680x1050 screen resolution. Using the same screen and an Asus ENGTS250 graphics card with 296.10 drivers installed, I'm not able to use that resolution anymore. Also, I've been having other trouble with driver installations. Using 340.52 or 337.88, I can't boot into Windows 7. I see the Windows Welcome screen and then the screen goes black, loses signal and the computer locks up. I think the drivers issues and the resolution problems go hand-in-hand. I have a feeling I could use a newer driver than 296.10 which would give me access to use the 1680x1050 resolution I want to use, but I'm terrified that if I update or install another driver, that the computer will lock up again. Can anyone recommend a [better] driver for me to use?

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  • How can I check that I'm not frying the chipset on my 945 gclf?

    - by Journeyman Geek
    I'm running an old 945 gclf as a home server. Its an odd little system which has a passively cooled single core atom 230 processor, and a small heatsink/fan combo over the chipset. lm-sensors/sensors detects one temperature sensor which I guess is the processor. coretemp-isa-0000 Adapter: ISA adapter Core 0: +38.0°C (crit = +100.0°C) The fan on it is making rather horrible noises and I am considering unplugging it or using a speed reducer. There's also a risk it may fail anyway. Is there any way I can monitor the temperatures of the chipset or be warned of any issues with it? Is there anything specific I can watch out for that would indicate trouble?

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  • What factors can affect performance of Http Server written in C-Sharp? [on hold]

    - by Yousaf
    I am having trouble in terms of handling huge databases. I have multiple clients like 100-300 (clients are basically servers with i.e windows sql). Each client may have 38 thousand rows/listing of data, each row has 10-12 fields. I cannot afford to have json files of each client and than handle them on main server, because of memory issue. What if i have http server written in c or c# installed on clients and they return 250 rows in each response to the main server. How the factors like speed, memory or other issues can effect us ? What exactly I am asking for ? In short words if a server writter in c-sharp sends 250 rows per request. What factors can effect the performance of server ? for example. Speed, processing, Operating system, Implementation of algorithm of server ? How these factors can really effect the performance on large scale?

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  • Keeping websites within an iframe

    - by Pasta
    Certain websites like Twitter, Flickr, etc avoid being stuck within an iframe. Is there any way to stop this from happening? I just need to see the public data so I am open to disabling Javascript, etc. How do I disable Javascript running on the iframe? Is this possible?

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  • Mystery process crashing machine by using all of the RAM - how to identify?

    - by wd40
    I have a Linux machine which runs ~10 in house written processes. Every other day(!) the machine completely runs out of RAM, goes into swap and becomes unresponsive. This happens quickly over a period of a couple of seconds, so it's not feasible to sit watching the machine until it dies. It's a sudden leak, not a gradual one, so top(1) doesn't give any indications something bad may about to happen. What is the best way of identifying which process(es) are causing the trouble?

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  • inplace replace entire html document

    - by james
    is it possible to in-place replace the entire html document? i tried jQuery("html").html("....") but style information does not survive. i'm trying to avoid using data uri because i do not want the generated document to be stored in the browsers history

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  • FLEX, Tile container: how to better organize the children

    - by Patrick
    hi, I'm using as container for my LinkButtons. I would like to know 1) how can I remove the space between the items in my Tile container. 2) how can I set dynamic width for my items (at the moment they all have the same width regardless the width of the included component) 3) how can I avoid to display scrollbars if the items are not included in the container Thanks

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