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  • Will open files limit in Centos affect HTTP connections? Does the limit apply to a single session or all sessions?

    - by forestclown
    When I do a ulimit -n I got 256, I assume it means I can open 256 files at the sametime. Does it means I can open 256 files with one single session? or all sessions? For example, I logined to my server with username "abc" (via putty/ssh), and open 200 files, with the session still running, I logined to the same server again with the same username "abc" (via putty/ssh), I can open only another 56 files? or I can open another 256 files? Lastly, does this limit also restrict number of http connections? e.g. with the above example, I have opened 200 files, and then I use "wget" or "curl" to make http connections. Thanks

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  • How can I open a file whose name starts with "-"?

    - by PJ
    I am running Ubuntu, and would like to open a file whose file name starts with "-"(minus). When I try to open the file with pico or vim, the command thinks that the "-" sign is an option for the command. I tried enclosing the file name with quotes ('), but I still get the same error. I tried with bash and zsh, but still the same error.

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  • How do I open an already opened file with a .net StreamReader?

    - by Jon Cage
    I have some .csv files which I'm using as part of a test bench. I can open them and read them without any problems unless I've already got the file open in Excel in which case I get an IOException: System.IO.IOException : The process cannot access the file 'TestData.csv' because it is being used by another process. This is a snippet from the test bench: using (CsvReader csv = new CsvReader(new StreamReader(new FileStream(fullFilePath, FileMode.Open, FileAccess.Read)), false)) { // Process the file } Is this a limitation of StreamReader? I can open the file in other applications (Notepad++ for example) so it can't be an O/S problem. Maybe I need to use some other class? If anyone knows how I can get round this (aside from closing excel!) I'd be very grateful.

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  • How can I get the file I have open in vim to display in my iTerm tab

    - by dd
    I can get the vim title to display on my window by doing this: let &titlestring = expand("%:t") . " @ " . hostname() if &term == "screen" set t_ts=^[k set t_fs=^[\ endif if &term == "screen" || &term == "xterm" set title endif But the tabs will say "Default". From the commandline I can do this: echo -ne "\e]1;hello world\a" And that'll show "Hello World" in my tabs. Is there a way to have vim write this stuff to my tab instead of title instead?

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  • Is there a logging facade for the .NET world?

    - by Elijah
    I'm somewhat new to the .NET stack and I was wondering if there is an equivalent to slf4j for the .NET platform. For me, logging to a Facade and being able to swap out logging implementations as needed just makes sense. Furthermore, the wrapper APIs available in slf4j have saved me many times when I needed to use a third-party library that was coded against a single logging framework that I wasn't using. Is there a project out there that acts as a facade between loggers like log4net, nLog and Enterprise Library? Are there wrappers that allow me to shortcut calls to those libraries and direct them to another library? Should I start out an open source project to do this myself? Is this question a duplicate because I don't know the right way to ask? Conversely, is the common way to do this using aspect orient programming?

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  • May I open my own device driver twice simultanoiusly from a user program under Linux?

    - by Viktor Gyuris
    Somewhere I read that opening the same file twice has an undefined semantics and should be avoided. In my situation I would like to open my own device multiple times associating multiple file descriptors to it. The file operations of my device are all safe. Is there some part of Linux between the sys call open() and the point it calls the registered file operation .open() that is unsafe?

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  • Open a new tab in gnome-terminal using command line.

    - by Vikrant Chaudhary
    Hi, When I write gnome-terminal --tab at the terminal, I expect it to open a new tab in the same terminal window. But it opens a new window instead. I found out that its intention is to open a new tab in a new window, i.e., if I write gnome-terminal --tab --tab it will open a new window with two tabs. So, the question is, how can I open a new tab in the current window using a command in gnome-terminal? I'm using Ubuntu 9.04 x64.

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  • Can I right-click a folder in Windows 7 and choose "Open with Sublime Text"?

    - by George P. Burdell
    In Windows 7, I can do this at the command line: "c:\Program Files\Sublime Text 2\sublime_text.exe" samplefolder This launches a Sublime Text window, with the contents of samplefolder loaded in Sublime's sidebar. While this works as needed, it's inconvenient to open a command prompt every single time. Is there any way I can add this behavior to Windows Explorer's right-click menu? I'd like to be able to right-click a folder and "Open with Sublime" just like I can right-click a folder and "Scan for viruses".

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  • How to leave the open file in eclipse tab after search?

    - by Foolish
    when we open a file from "Package Explorer" in eclipse, after we use it, it will leave in the tabs. If we open a file from "Search" result, then after we search another keyword, it will disappear, we need to see the search result to find out that. Is there any solution that I can leave the opened tab in the tabs after I opened from Search panel ?

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  • jQuery Collapse (with cookies), default open instead of closed?

    - by Christian
    Hi. I've got a jQuery snippet which basically allows a user to toggle a div, open or closed - their preference is saved in a cookie. (function($) { $.fn.extend({ collapse: function(options) { var defaults = { inactive : "inactive", active : "active", head : ".trigger", group : ".wrap-me-up", speed : 300, cookie : "collapse" }; // Set a cookie counter so we dont get name collisions var op = $.extend(defaults, options); cookie_counter = 0; return this.each(function() { // Increment cookie name counter cookie_counter++; var obj = $(this), sections = obj.find(op.head).addClass(op.inactive), panel = obj.find(op.group).hide(), l = sections.length, cookie = op.cookie + "_" + cookie_counter; // Look for existing cookies for (c=0;c<=l;c++) { var cvalue = $.cookie(cookie + c); if ( cvalue == 'open' + c ) { panel.eq(c).show(); panel.eq(c).prev().removeClass(op.inactive).addClass(op.active); }; }; sections.click(function(e) { e.preventDefault(); var num = sections.index(this); var cookieName = cookie + num; var ul = $(this).next(op.group); // If item is open, slide up if($(this).hasClass(op.active)) { ul.slideUp(op.speed); $(this).removeClass(op.active).addClass(op.inactive); $.cookie(cookieName, null, { path: '/', expires: 10 }); return } // Else slide down ul.slideDown(op.speed); $(this).addClass(op.active).removeClass(op.inactive); var cookieValue = 'open' + num; $.cookie(cookieName, cookieValue, { path: '/', expires: 10 }); }); }); } }); })(jQuery); Demo: http://christianbullock.com/demo/ I'm just wondering how I can display the list open as default, and have the div collapse when the header is clicked? Many thanks. Christian.

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  • VS 2008 hangs(slow) when I select "File > Open > Web Site..."

    - by Sam
    When I try to select the following "File Open Web Site" or use the shortcut key "Shift + Alt + O" (which does the same), Visual Studio 2008 hangs with the loading mouse icon for about 8-10 seconds then the file. But if I do "File Open Project/Solution.." or "File Open File..." the explorer window comes up in under a second, instantly most times. Computer Specs: Windows 7 x64 Visual Studio 2008 Pro Edition with Service Pack 1 Intel Core2 Due e6420 @ 3.2GHz 4GB DDR2

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  • How do I specify Open ID Realm in spring security ?

    - by Salvin Francis
    We are using Spring security in our application with support for username / password based authentication as well as Open id based authentication. The issue is that google gives a different open id for the return url specified and we have at least 2 different entry points in our application from where open id is configured into our system. Hence we decided to use open id realm. http://blog.stackoverflow.com/2009/0...ue-per-domain/ http://groups.google.com/group/googl...unts-api?pli=1 how is it possible to integrate realm into our spring configuration/code ? This is how we are doing it in traditional openid library code: AuthRequest authReq = consumerManager.authenticate(discovered, someReturnToUrl,"http://www.example.com"); This works and gives same open id for different urls from our site. our configuration: Code: ... <http auto-config="false"> <!-- <intercept-url> tags are here --> <remember-me user-service-ref="someRememberedService" key="some key" /> <form-login login-page="/Login.html" authentication-failure-url="/Login.html?error=true" always-use-default-target="false" default-target-url="/MainPage.html"/> <openid-login authentication-failure-url="/Login.html?error=true" always-use-default-target="true" default-target-url="/MainPage.html" user-service-ref="someOpenIdUserService"/> </http> ... <beans:bean id="someOpenIdUserService" class="com.something.MyOpenIDUserDetailsService"> </beans:bean> <beans:bean id="openIdAuthenticationProvider" class="com.something.MyOpenIDAuthenticationProvider"> <custom-authentication-provider /> <beans:property name="userDetailsService" ref="someOpenIdUserService"/> </beans:bean> ...

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  • How to get files that are dragged on Aquamacs (or opened via Quicksilver) to open in the same frame

    - by Stefan
    In Aquamacs 2.0 preview 6, when opening new files externally (e.g., via Quicksilver or via dragging files on the Aquamacs icon) they always open in new frames (i.e., new windows). I would prefer new files to be opening in the same frame, just in a new buffer (possibly with tabs turned on). I already unchecked the option "Show Buffers in new Frames", but that only seems to affect the behavior of the built-in open command (Command-o). Are there any options for this or some other way to modify this behavior?

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  • Is there a way to click a link in Firefox and open a file in an existing VIM session?

    - by btelles
    Hi there, I know it's possible to open links in an html page (let's say, if you're using Firefox) with TextMate if the link has this format: <a href="txmt://open?url=file:///home/.../index.html.haml">View</a> But is it possible to do a similar thing with VIM? Perhaps like so: <a href="vim://open?url=file:///home/.../index.html.haml">View</a> Ideally this would use an existing VIM session. Cheers, Bernie

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  • How does Azureus get my firewall to open a port (Debian Linux)?

    - by Norman Ramsey
    I downloaded Azureus (a bittorrent client) for Debian Linux, and I notice that Azureus got my firewall (a Verizon wireless base station) to open a TCP and UDP port forwarding for it, without my having to do anything. My base station is password protected, and I'm alarmed at the idea that any random application can open ports without my knowing about it. Can somebody explain to me what is going on and how it is possible that Azureus can create this port-forwarding rule without any authentication?

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  • Is there a path of least resistance that a newcomer to graphics-technology-adoption can take at this point in the .NET graphics world?

    - by Rao
    For the past 5 months or so, I've spent time learning C# using Andrew Troelsen's book and getting familiar with stuff in the .NET 4 stack... bits of ADO.NET, EF4 and a pinch of WCF to taste. I'm really interested in graphics development (not for games though), which is why I chose to go the .NET route when I decided choose from either Java or .NET to learn... since I heard about WPF and saw some sexy screenshots and all. I'm even almost done with the 4 WPF chapters in Troelsen's book. Now, all of a sudden I saw some post on a forum about how "WPF was dead" in the face of something called Silverlight. I searched more and saw all the confusion going on at present... even stuff like "Silverlight is dead too!" wrt HTML5. From what I gather, we are in a delicate period of time that will eventually decide which technology will stabilize, right? Even so, as someone new moving into UI & graphics development via .NET, I wish I could get some guidance from people more experienced people. Maybe I'm reading too much? Maybe I have missed some pieces of information? Maybe a path exists that minimizes tears of blood? In any case, here is a sample vomiting of my thoughts on which I'd appreciate some clarification or assurance or spanking: My present interest lies in desktop development. But on graduating from college, I wish to market myself as a .NET developer. The industry seems to be drooling for web stuff. Can Silverlight do both equally well? (I see on searches that SL works "out of browser"). I have two fair-sized hobby projects planned that will have hawt UIs with lots of drag n drop, sliding animations etc. These are intended to be desktop apps that will use reflection, database stuff using EF4, networking over LAN, reading-writing of files... does this affect which graphics technology can be used? At some laaaater point, if I become interested in doing a bit of 3D stuff in .NET, will that affect which technologies can be used? Or what if I look up to the heavens, stick out my middle finger, and do something crazy like go learn HTML5 even though my knowledge of it can be encapsulated in 2 sentences? Sorry I seem confused so much, I just want to know if there's a path of least resistance that a newcomer to graphics-technology-adoption can take at this point in the graphics world.

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  • how to check open ports of bunch of website at once with nmap/linux?

    - by austin powers
    hi , I want to use nmap in such a way that I could check bunch of server's port at once for checking whether their particular port is open or not? right now I have 10 ip addresses but in future this could be more . I know the very basic command in linux like cat/nano/piping but I don't know how can I feed to nmap the list of my servers to open them one by one and return the result.

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  • How to open tab on mouse over using jquery without using iframe and putting all content in same page

    - by jitendra
    I just want to open another tab without refreshing and on mouse over like this http://fnagel.github.com/jQuery-Accessible-RIA/Tabs/mouseover.html . Is it possible with these things. Pages url should be change like as it now. I want to keep content in separate page on clicking on another tab it should open without refreshing i don't want to open tab content as a iframe I liked the idea of this http://jonplante.com/demo/tabs-1-2/?js=on but page url is not changing so other pages cannot be bookmarked

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  • How do I turn an array of bytes back into a file and open it automatically with C#?

    - by Ace Grace
    Hi, I am writing some code to add file attachments into an application I am building. I have add & Remove working but I don't know where to start to implement open. I have an array of bytes (from a table field) and I don't know how to make it automatically open e.g. If I have an array of bytes which is a PDF, how do I get my app to automatically open Acrobat or whatever the currently assigned application for the extension is using C#?

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