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  • Linq List contains specific values.

    - by Raffaeu
    I need to know if the List I am working with contains only some specific values. var list = new List<string> { "First", "Second", "Third" }; If I want to know if the List contain at least one item with the value "First" I use the Any keyword: var result = list.Any(l => l == "First"); But how I can write a Linq expression that will return true/false only if the List contains "First" and "Second" values?

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  • rsync via cron. How do I enable logging?

    - by tetranz
    Hi all I'm backing up a remote server to another computer using rsync. In cron.daily I have a file with this: rsync -avz -e ssh [email protected]:/ /mybackup/ It uses a public / private key pair to login. This seems to work well most of the time however, I've (foolishly) only ever really checked it by looking at the dates on some important files (MySQL dumps) that I know change every day. Obviously, an error could occur after that file. Sometimes it fails. When I run it manually, something like "client reset" sometimes happens. What is the best way to log it so that I can check with certainty if it completed or not? The cron log doesn't indicate any errors. I haven't tried it but the rsync man page on the oldish version of CentOS on the backup machine doesn't show the --log-file option. I guess I could redirect stdout with but I don't really want to know about every file. I just want to know if it all worked or not.. Thanks

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  • .net compliant version control system that can be installed on a shared hosting (with no SSH/root Access)

    - by Farshid
    I searched a lot in SO and other websites for a version control system that can be installed on a shared windows hosting that lets me create repositories for putting my project files on it and supply me with version control facilities but I did not find one. I looked to see whether I can install git, Mercurial or TFS in a shared hosting and I did not found any answer. I want to know if you know any system that can be installed on a shared windows hosting and please tell your recommendations if you have had an experience before.

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  • Writing OpenGL enabled GUI

    - by Jaen
    I am exploring a possibility to write a kind of a notebook analogue that would reproduce the look and feel of using a traditional notebook, but with the added benefit of customizing the page in ways you can't do on paper - ask the program to lay ruled paper here, grid paper there, paste an image, insert a recording from the built-in camera, try to do handwriting recognition on the tablet input, insert some latex for neat formulas and so on. I'm pretty interested in developing it just to see if writing notes on computer can come anywhere close to the comfort plain paper + pencil offer (hard to do IMO) and can always turn it in as a university C++ project, so double gain there. Coming from the type of project there are certain requirements for the user interface: the user will be able to zoom, move and rotate the notebook as he wishes and I think it's pretty sensible delegate it to OpenGL, so the prospective GUI needs to work well with OGL (preferably being rendered in it) the interface should be navigable with as little of keyboard input as user wishes (incorporating some sort of gestures maybe) up to limiting the keyboard keys as modifiers to the pen movements and taps; this includes tablet and possible multitouch support the interface should keep out of the way where not needed and come up where needed and be easily layerable the notebook sheet itself will be a container for objects representing the notebook blurbs, so it would be nice if the GUI would be able to overlay some frames over the exact parts of the OpenGL-drawn sheet to signify what can be done with given part (like moving, rotating, deleting, copying, editing etc.) and it's extents In terms of interface it's probably going to end up similar to Alias' Sketch Book Pro: [picture][http://1.bp.blogspot.com/_GGxlzvZW-CY/SeKYA_oBdSI/AAAAAAAAErE/J6A0kyXiuqA/s400/Autodesk_Alias_SketchBook_Pro_2.jpg] As far as toolkits go I'm considering Qt and nui, but I'm not really aware how well would they match up the requirements and how well would they handle such an application. As far as I know you can somehow coerce Qt into doing widget drawing with OpenGL, but on the other hand I heard voices it's slot-signal framework isn't exactly optimal and requires it's own preprocessor and I don't know how hard would be to do all the custom widgets I would need (say color-wheel, ruler, blurb frames, blurb selection, tablet-targeted pop-up menu etc.) in the constraints of Qt. Also quite a few Qt programs I've had on my machine seemed really sluggish, but it may be attributed to me having old PC or programmers using Qt suboptimally rather to the framework itself. As for [nui][http://www.libnui.net/] I know it's also cross-platform and all of the basic things you would require of a GUI toolkit and what is the biggest plus it is OpenGL-enabled from the start, but I don't know how it is with custom widgets and other facets and it certainly has smaller userbase and less elaborate documentation than Qt. The question goes as this: Does any of these toolkits fulfill (preferably all of) the requirements or there is a well fitting toolkit I haven't come across or maybe I should just roll up my sleeves, get SFML (or maybe Clutter would be more suited to this?) and something like FastDelegates or libsigc++ and program the GUI framework from the ground up myself? I would be very glad if anyone had experience with a similar GUI project and can offer some comments on how well these toolkits hold up or is it worthwhile to pursue own GUI toolkit in this case. Sorry for longwindedness, duh.

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  • PHP - getting content of the POST request

    - by user364622
    I have problem with getting the content. I don't know the names of the post variables so I can't do this using = $_Post['name'] because I don't know the "name". I want to catch all of the variables send by POST method. How can I get keys of the $_Post[] array and the values related with them?

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  • Any webservice that returns JSON

    - by roneden
    Does anyone know of free webservice that returns a list in the form of JSON? I have searched many webservice sites but they all return xml. Geonames.org is not required. List all that you know of please. thanks.

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  • buagent process has been consuming 100% cpu for two days

    - by Maysam
    The buagent process has been using 100% of cpu since two days ago. I want to terminate this process but I don't know if it's something dangerous or not (I am not much advanced in working with linux, indeed I am very beginner). The only thing that I know is that this process is probably restoring some files. But I think it is not normal for that to take more than two days. Now, do you think it would be OK if I kill this process? What command could I use to do that? I appreciate any help :) p.s. We are hosting a few web sites there. This server is also our Name Server and Mail Server as well. A couple of months a go we had a problem with the server which made us to take a full-backup of all files and then reinstall linux. Yesterday, I selected one of the directories on the backup server and restored that directory to a tmp directory on our linux server. After that, I couldn't restore any other directory because every time I want to do that, it says that there is another restore job running and I have to wait for that. When I use the "top" command I can see that the buagent process is consuming 100% of cpu. So I guess that is the problem. I don't know why it has been taking too long to execute.

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  • Qt/C++ or C#, which learn first??

    - by myax
    I already know C++ console programming. So shall i learn Qt for c++ or c# first?? I eventually plan to learn both anyways. Also, how long will each one take. The only programming language i know is c++.

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  • Open Graph API - Github PHP Class

    - by clarkstudios
    Hi all, I have downloaded the PHP class from github which is the wrapper for their Open Graph API. I can log in and list freinds and images etc. But what I am really struggling with is allowing for extended permissions to allow posting to a users wall. I know somewhere I need to add "scope=publish_stream" to allow this option and can only assume it is on the getLoginUrl method but I am having next to know joy with it. Can anyone help me. Steve

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  • PHP shell_exec() - Run directly, or perform a cron (bash/php) and include MySQL layer?

    - by Jimbo
    Sorry if the title is vague - I wasn't quite sure how to word it! What I'm Doing I'm running a Linux command to output data into a variable, parse the data, and output it as an array. Array values will be displayed on a page using PHP, and this PHP page output is requested via AJAX every 10 seconds so, in effect, the data will be retrieved and displayed/updated every 10 seconds. There could be as many as 10,000 characters being parsed on every request, although this is usually much lower. Alternative Idea I want to know if there is a better* alternative method of retrieving this data every 10 seconds, as multiple users (<10) will be having this command executed automatically for them. A cronjob running on the server could execute either bash or php (which is faster?) to grab the data and store it in a MySQL database. Then, any AJAX calls to the PHP output would return values in the MySQL database rather than making a direct call to execute server code every 10 seconds. Why? I know there are security concerns with running execs directly from PHP, and (I hope this isn't micro-optimisation) I'm worried about CPU usage on the server. The server is running a sempron processor. Yes, they do still exist. Having this only execute when the user is on the page (idea #1) means that the server isn't running code that doesn't need to be run. However, is this slow and insecure? Just in case the type of linux command may be of assistance in determining it's efficiency: shell_exec("transmission-remote $host:$port --auth $username:$password -l"); I'm hoping that there are differences in efficiency and level of security with the two methods I have outlined above, and that this isn't just micro-micro-optimisation. If there are alternative methods that are better*, I'd love to learn about these! :)

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  • New to PHP, need book recommendations

    - by bran
    Hey guys, I need few good book recommendations for PHP. I am trying to learn to develop webapps. I know there are other (arguably) better language out there that I should start with (ie, python). But I want to start with PHP and go from there. My programming knowledge is limited to html/css (I know they are not actually programming languages), and I have gone through half of a python book. Thanks! :)

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  • manage messages reported as spam

    - by parm.95
    I want to have an admin page to manage user messages reported as 'spam'. I know how to use MySql and php to have a list of messages reported but I don't know what is the more safe way to access to this page. Local, https,... What strategy use big websites as Facebook, MySpace,... to verify that a message is a true spam and to delete it?

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  • Fix indention in Visual Studio when pasting from eBook

    - by Kory
    Hi All, Every time I paste code from an Adobe reader eBook into Visual Studio it ends up looking like the image below. The only way I know to fix it is to go on each and every line and manually tab/backspace it all back in order. Source formatting does nothing (EditAdvancedFormat Document) Anyone know how to fix the indention in this scenario? Thanks I guess I cant post images yet.. image below https://dl.dropbox.com/u/416645/ugly.jpg

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  • When not to use a private field

    - by coffeeaddict
    When should it be considered dangerous to use a private field all over the place in the methods of your class? I mostly just create the variable and set it to a default value like null. Then in my methods reference it and set it to an instance of that object type from the methods. I don't know if my question makes sense but let me know if it doesn't and I'll clarify.

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  • SQLite user_version() expression

    - by ralf.w.
    how can I get user_version into an expression (for SELECT or WHERE) ? I would also appreciate any clue to how to save ANY global variable in SQLite. Does anyone know of such an extension (dll) ? BTW: I know that PRAGMA user_version; gives me the right answer, but I cannot use that inside a WHERE-clause !

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  • HTML form to JSON without modern libraries

    - by Rok
    Does anyone know of a simple javascript library that serializes a form DOM object to JSON? I know jQuery has the serialize method but since I am writing an app for IE mobile, I can't use any of the new fancy libraries, must be oldschool simple javascript, as light as possible. Cheers

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  • quoting HTML attribute values

    - by Flavius
    Hi I know the spec allows both ' and " as delimiters for attribute values, and I also know it's a good practice to always quote. However I consider " being the cleaner way, maybe it's just me having grown up with C and C++' syntax. What is the cleanest way of quoting attribute values and why? Please no subjective answers.

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  • move data in bulk from oracle to SQL database

    - by Soja
    Hi All... Would like to know which is the best way to move data in bulk from oracle to SQL database programmatically in VB.NET application.This application is suppose to run continuously and moves data from Oracle to SQL whenever data comes. I have found OPENDATASOURCE but does not know the exact syntax. Can someone help me out. Thanks in advance,

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  • Jquery $.post() - Possible to do a full page post request?

    - by Sosh
    I know I can do an out of band Post request with Jquery and the $.post( syntax. However, I'm interested to know if it is possible for jquery to cause a post request on the whole page (as when a form is submitted) so that a brand new page is loaded. Is this possible? Thanks There is no form element in the DOM, so I can't do form.submit().

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  • HTML5 Canvas and Game Programming

    - by LemonBeagle
    I hope this isn't too open ended. I'm wondering if there is a better (more battery-friendly) way of doing this -- I have a small HTML 5 game, drawn in a canvas (let's say 500x500). I have some objects whose positions I update every 50ms or so. My current implementation re-draws the entire canvas every 50ms. I can't imagine that being very good for battery life on mobile platforms. Is there a better way to do this? This must be a common pattern with games. EDIT: as requested, here are some more updates: Right now, the objects are geometric primitives drawn via arcs and lines. I'm not opposed to making these small png/jpg/gif files instead of that'd help out. These are small graphics -- just 15x15 or so. As the game progresses, more and more of the screen changes at a time. However, at the start, the screen changes relatively slowly (the objects randomly moved a few pixels every 50ms).

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  • Joomla Site Templates: Architecture Advise

    - by Vincent
    Our client provided us with html templates to turn into a Joomla template, problem is their designs are not Joomla Template friendly where a lot of the html design are not consistent with structure. Currently the only solution we have is applying a template structure pattern that fits the most amount of their design and have seperate joomla templates to take care of the ones that doesn't fit. We have the generic Joomla Template configured with different positions for each div and assign each article to its respective position in the template. Some articles though have menu modules within them so our solution is to split the article into two position and define positions for each menu module. Is this method better than defining module positions within an article content to render menus within an article? Is there a better way of showing articles in specific div positions than having each article be represented by a module to render in a specific div (position) in a template? Right now our current way of rendering an article(s) content to a specific position is to create a module (moduleAsArticle) and define that module a position. Create An Article - Assign A Module To It (moduleAsArticle) - Define that module a position

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