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  • Is it possible to use the values method for a HashMap if the values are ArrayLists?

    - by Denman
    I'm stuck trying to get something to work in an assignment. I have a HashMap<Integer, ArrayList<Object>> called sharedLocks and I want to check whether a certain value can be found in any ArrayList in the HashMap. The following code obviously wouldn't work because Object[] can't be cast to ArrayList[], but it is a demonstration of the general functionality that I want. ArrayList[] values = (ArrayList[]) sharedLocks.values().toArray(); boolean valueExists = false; for (int i = 0; i < values.length; i++) { if (values[i].contains(accessedObject)) { valueExists = true; } } Is there a way for me to check every ArrayList in the HashMap for a certain value? I'm not sure how to use the values method for HashMaps in this case. Any help would be much appreciated.

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  • WIN32 visual c++

    - by mrbuxley
    I would like to write a simple program in c++. After the program is done i would like to get my answers in form of a graph or picture that would give some certain information if i click on a certain area. i have only written console apllications in c++ before and don't really have a clue where to start with the graphic part of it all. Can I write the first part of the program in console mode and some how run it under the WIN32 later? for ex what will happen to the cout<<"foo"; commands? Is there a simpler approach to do some very basic graphic programming.

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  • Finding whether a value is equal to the value of any array element in MATLAB

    - by James
    Hi, Can anyone tell me if there is a way (in MATLAB) to check whether a certain value is equal to any of the values stored within another array? The way I intend to use it is to check whether an element index in one matrix is equal to the values stored in another array (where the stored values are the indexes of the elements which meet a certain criteria). So, if the indices of the elements which meet the criteria are stored in the matrix below: criteriacheck = [3 5 6 8 20]; Going through the main array (called array) & checking if the index matches: for i = 1:numel(array) if i == 'Any value stored in criteriacheck' ... "Do this" end Does anyone have an idea of how I might go about this? Thanks in advance

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  • Best practices for storing & selecting time/date with php & mysql?

    - by Adam
    I often find myself storing data in a mysql database, and then wanting to display all sorts of stats about my data, specifically stuff like 'how many rows do I have for this date, or that date'. Does anyone know of (or could write) a good tutorial on this subject? Ideally a good tutorial would overview: Best practices when storing the data (i.e. what formats to use, how to use them servertime vs. generated time, etc.) Best practices when selecting data from the database with php (i.e. how to sort rows by date, how to retrieve only rows from a certain date, or a certain hour, etc).. Timezones and other issues that might come up. Thanks in advance.

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  • Would popup blockers stop a URL which pops up only when the user clicked on something?

    - by tomeaton
    I'm currently building a web application that can can track a users actions on a particular website and pop a URL if the user takes certain actions, such as: first click, responding to a question by clicking yes / no, clicking a submit button, or exiting the site. It is important that these URLs are served to the user and are not blocked by pop-up blockers. It is my understanding that there are certain exceptions within the major internet browsers that allow pop-ups if they are served based on some user action, rather than serving an unsolicited pop? Is this true? How do I design this web application so that it can serve these pops (and not have them blocked).

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  • PHP __call vs method_exists

    - by neo
    The Project I'm working on contains something like a wrapper for call_user_func(_array) which does some checks before execution. One of those checks is method_exists (In Case the supplied first argument is an instance of a class and the second is a method name) The other is_callable. The function will throw an exception if one of those checks fails. My Code contains an array with function names (setFoo, setBar, etc.) and the php magic function for overloading (__call) which handles setting, replacing and deletion of certain variables (better certain array elements). The Problem: method_exists will return false if the function is not defined. Do I have any chance to get a true if the __call function does proper handling of the request?

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  • db2 stored procedure. locking / releasing table

    I use a stored procedure to read/update/return certain fields in a journaled as400 table. I want to lock the table first and then release it after the record is updated. I tried tons of stuff, but releasing table is a problem. SP defines and opens cursor, selects record into variables and updates the record. I tried 'begin atomic', then lock table in exclusive mode and then when it's over, it doesn't release. Is there any statement i missing or do i need to compile it with certain parameters? I use a simple create procedure statement in AS400 navigator's sql panel to compile it. Will very appreciate some help with example. Thanks.

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  • How to switch data pins on/off on parallel port?

    - by Matt
    I want to simply switch certain data pins on and off, so that they can control a set of relays. I'm not asking about the hardware bit (should be easy), but I don't know where to begin writing the software. I don't want a high level library that can send bytes to a device - I literally want to switch on/off certain pins. I'm running Linux and I want to do this in Java, so would I just need a library? It would be nice if the library has good documentation and is easy to use, but if not then a short example code will help me get started.

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  • Can I un-assign (clear) all fields of an instance?

    - by Roman
    Is there a simple way to clear all fields of an instance from a an instance? I mean, I would like to remove all values assigned to the fields of an instance. ADDED From the main thread I start a window and another thread which controls state of the window (the last thread, for example, display certain panels for a certain period of time). I have a class which contains state of the window (on which stage the user is, which buttons he already clicked). In the end, user may want to start the whole process from the beginning (it is a game). So, I decided. So, if everything is executed from the beginning, I would like to have all parameter to be clean (fresh, unassigned). ADDED The main thread, creates the new object which is executed in a new thread (and the old thread is finished). So, I cannot create a new object from the old thread. I just have a loop in the second thread.

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  • Conditional Branching Issues

    - by Zack
    Here is the code: def main_menu print_main_menu user_selected = gets.chomp if user_selected.downcase == "no" main_menu elsif user_selected == "1" || "2" || "3" || "4" || "5" || "6" || "7" user_selected = user_selected.to_i call_option(user_selected) else main_menu end end This code uses calls to allow a user to make a selection from a main menu. Depending on the input, be it a certain number, a certain word, or something else, the respective method is called (in the case of a valid input) or the main menu is printed again (in the case of an invalid input or "no"). My questions are twofold. 1) Is there an efficient way to get rid of the literal string error that appears as a result of this redundant or statement on the elsif line? (the code itself works fine, but this error appears and is frustrating). 2) When an alternate/unspecified input is made by the user, the else branch doesn't execute and main_method doesn't start over. I have no idea why this is happening. Is there something I'm missing here? Thanks

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  • how to recieve mail using python>

    - by user600950
    Hey everyone, I am trying to make a program on my computer at home that will constantly check a certain gmail address. The purpose being the only email this adress recieves is from me. I would just like to be able to 1.Check for mail 2.Download mail(presumably to a string, though a file is acceptable) and 3. delete the mail from the web server but keep it on my computer. Thta is all i need to know right now, however my long term goal is to set up kind of a remote terminal over email, so that wherever i have email i have a certain amount of control over my computer.

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  • In Linux, what's the best way to delegate administration responsibilities, like for Apache, a database, or some other application?

    - by Andrew Banks
    In Linux, what's the best way to delegate administration responsibilities for Apache and other "applications"? File permissions? Sudo? A mix of both? Something else? At work we have two tiers of "administrators" Operating system administrators. These are your run-of-the-mill "server administrators." They are responsible for just the operating system. Application administrators. The people who build the web site. This includes not only writing the SQL, PHP, and HTML, but also setting up and running Apache and PostgreSQL or MySQL. The aforementioned OS admins will install this stuff, but it's mainly up to the app admins to edit all the config files, start and stop processes when needed, and so on. I am one of the app admins. This is different than what I am used to. I used to just write code. The sysadmin took care not only of the OS but also installing, setting up, and keeping up the server software. But he left. Now I'm in charge of setting up Apache and the database. The new sysadmins say they just handle the operating system. It's no problem. I welcome learning new stuff. But there is a learning curve, even for the OS admins. Apache, by default, seems to be set up for administration by root directly. All the config files and scripts are 644 and owned by root:root. I'm not given the root password, naturally, so the OS admins must somehow give my ordinary OS user account all the rights necessary to edit Apache's config files, start and stop it, read its log files, and so on. Right now they're using a mix of: (1) giving me certain sudo rights, (2) adding me to certain groups, and (3) changing the file permissions of various directories, to make them writable by one of the groups I'm in. This never goes smoothly. There's always a back-and-forth between me and the sysadmins. They say it's ready. Then I try certain things, and half of them I still can't do. So they make some more changes. Then finally I seem to be independent and can administer Apache and the database without pestering them anymore. It's the sheer complication and amount of changes that make me uncomfortable. Even though it finally works, more or less, it seems hackneyed. I feel like we're doing it wrong. It seems like the makers of the software would have anticipated this scenario (someone other than root administering it) and have a clean two- or three-step program to delegate responsibility to me. But it feels like we are really chewing up the filesystem and making it far and away from the default set-up. Any suggestions? Are we doing it the recommended way? P.S. For PostgreSQL it seems a little better. Its files are owned by a system user named postgres. So giving me the right to run sudo su - postgres gives me just about everything. I'm just now getting into MySQL, but it seems to be set up similarly. But it seems a little weird doing all my work as another user.

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  • Windows 7, file properties - Is "date accessed" ALWAYS 100% accurate?

    - by Robert
    Hello, Here's the situation: I went on vacation for a couple of weeks, but before I left, I took the harddrive out of my computer and hid it in a different location. Upon coming back on Monday and putting the harddrive back in my computer, I right-clicked on different files to see their properties. Interestingly enough, several files had been accessed during the time I was gone! I right-clicked different files in various locations on the harddrive, and all of these suspect files had been accessed within a certain time range (Sunday, ?January ?09, ?2011, approximately ??between 6:52:16 PM - 7:16:25 PM). Some of them had been accessed at the exact same time--down to the very second. This makes me think that someone must have done a search on my harddrive for certain types of files and then copied all those files to some other medium. The Windows 7 installation on this harddrive is password protected, but NOT encrypted, so they could have easily put the harddrive into an enclosure/toaster to access it from a different computer. Of course I did not right-click every single file on my computer, but did so in different folders. For instance, one of the folders I went through has different types of files: .mp3, ,prproj, .3gp, .mpg, .wmv, .xmp, .txt with file-sizes ranging from 2 KB to 29.7 MB (there is also a sub-folder in this folder which contains only .jpg files); however, of all these different types of files in this folder and its subfolder, all of them had been accessed (including the .jpg files from the sub-folder) EXCEPT the .mp3 files (if it makes any difference, the .mp3 files in this folder range in size from 187 KB to 4881 KB). Additionally, this sub-folder which contained only .jpg files (48 .jpg files to be exact) was not accessed during this time--only the .jpg files within it were accessed-- (between 6:57:03 PM - 6:57:08 PM). I thought that perhaps this was some kind of Windows glitch that was displaying the wrong access date, but then I looked at the "date created" and "date modified" for all of these files in question, and their created/modified dates and times were spot on correct. My first thought was that someone put the harddrive into an enclosure/toaster and viewed the files; but then I realized that this was impossible because several of the files had been accessed at the same exact time down to the second. So this made me think that the only other way the "date accessed" could have changed would have been if someone copied the files. Is there any chance at all whatsoever that this is some kind of Windows glitch or something, or is it a fact that someone was indeed accessing my files (and if someone was accessing my files, am I right about the files in question having been copied)? Is there any other possibility for what could have happened? Do I need to use any kinds of forensics tools to further investigate this matter (and if so, which tools), or is there any other way in which I can be certain of what took place in that timeframe the day before I got back? Or is what I see with Windows 7 good enough (i.e. accurate and truthful)? Thanks in advance, and please let me know if any other details are required on my part.

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  • Podcast: The Invisible UI : Natural User Interfaces with Josh Blake

    - by craigshoemaker
    Josh Blake of Infostrat joins Pixel8 to discuss NUI development in .NET. Josh is the author of the upcoming book Multitouch on Windows from Manning. Reaching far beyond theory and the niche market of Microsoft Surface, NUI development is now possible with Silverlight and WPF development on Windows 7 and Windows 7 Mobile devices. Subscribe to the podcast! The Natural User Interface (NUI) was a prominent force at MIX10. What is NUI? Wikipedia defines it as: Natural user interface, or NUI, is the common parlance used by designers and developers of computer interfaces to refer to a user interface that is effectively invisible, or becomes invisible with successive learned interactions, to its users. The word natural is used because most computer interfaces use artificial control devices whose operation has to be learned. A NUI relies on a user being able to carry out relatively natural motions, movements or gestures that they quickly discover control the computer application or manipulate the on-screen content. The most descriptive identifier of a NUI is the lack of a physical keyboard and/or mouse. In our interview Josh demystifies what NUI is, makes a distinction between gestures and manipulations, and talks about what is possible today for NUI development. For more from Josh make sure to check out his book: and watch his MIX Presentation: Developing Natural User Interfaces with Microsoft Silverlight and WPF 4 Touch Resources Mentioned in the Show Check out the following videos that show the roots and future of NUI development: Jeff Han's Multi-Touch TED Presentation Microsoft Surface Project Natal MIX10 Day 2 Keynote A few times during our talk Bill Buxton’s work is mentioned. To see his segment of the MIX10 day 2 keynote, click below:

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  • AWStats: Visits from IP address vs Crawlers

    - by user3651934
    I use AWStats in cPanel to see stats of my website. Under Hosts section I see one IP address that has visited 150 pages. I am not sure if one person would have visited 150 pages using a browser. But if these 150 pages have been visited using a software application, then should not it be listed under Robots/Spider section. So how do I determine if I should block a certain IP address that has visited several hundred pages of my website? Thanks

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  • Oracle Cloud Services Referral Program… Now Available!

    - by Kristin Rose
    The sky is falling, the sky is falling! Oh wait, it’s not the sky, it’s the Oracle Cloud Services Referral Program! This partner program was announced at Oracle OpenWorld 2012, and is now readily available to any Oracle PartnerNetwork member. In fact you can learn all about this program by simply visiting our Oracle Cloud Knowledge Zone. Just as a puffy cumulus should, Oracle Cloud Services are included in the Oracle Cloud Services Referral Partner program. Partners can start to capitalize on the growing demand for Cloud solutions with little investment through Oracle Cloud Services Referral Partner program, or choose to get Specialized. Have a look at all that is available below! Cloud Builder - a Specialization ideally suited for systems integrator and service providers creating private and hybrid cloud solutions with Oracle’s broad portfolio of cloud optimized hardware and software products. Learn more in this video of as part of a series of OPN PartnerCasts. Join the Cloud Builder KnowledgeZone to get started. Oracle Cloud Referral - for VARs or partners seeking to generate revenue with the Oracle Cloud. This program rewards partners referring Oracle Cloud opportunities to Oracle. Register your Oracle Cloud Referral. Oracle Cloud Specializations - provides partners with the expertise and skills to enable partner delivered RapidStart fixed-scope, consulting service packages for setup, configuration and deployment of Oracle Cloud software as a service. Cloud Resale - a resell program for partners to market, sell and deploy Oracle Cloud solutions. Available January 2013. And best of all, partners are already taking advantage of the referral opportunity for Oracle Cloud Services and are seeing tremendous success! Watch as Jeff Porter gives an overview of Oracle's Cloud Services, and be sure to check out the Cloud Computing Programs & Specializations FAQ’s for you, our partners! The Sky’s the Limit, The OPN Communications Team 

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  • Introducing Ben Barreth, Community Builder &amp; Software Developer at GWB

    - by Staff of Geeks
    Please extend a warm welcome to Ben Barreth as the new community builder and full-time software developer at Geeks With Blogs. We've been wanting to add some cool features to the site but haven't had the opportunity until now. Adding Ben to the team should give us a big kick in the right direction. Ben has several years of .Net development experience and is heavily involved in the startup community in Kansas City, including the KC Startup Village as well as his own startup initiatives: Homes for Hackers and FreeIdeas.co. He loves working with people even more than coding and is excited to serve the GWB community in any way possible. Ben originally met Matt Watson as a beta tester for Stackify, the software company that gives developers the safe & secure access to troubleshoot in production. Jeff Julian and Matt are old friends and recently decided the site needed new ownership to carry it forward and build the enhancements it deserves. The site management transferred in October and Matt quickly began looking for a full-time community builder to lead the charge. Ben bumped into Matt once again at a Tech Cocktail event at the Boulevard Brewery where Stackify was presenting and an alliance was forged. Yes, the beer really IS that good! Which brings us to the biggest question of all: Where do you want Geeks with Blogs to go next? As a contributor to the GWB community, now is your chance to be heard! What are we missing? Features on our radar: New templates Add a code "formatter" to posts Add categories to blog feeds Re-skin the site and redesign the logo Feel free to contact Ben with further questions and ideas below. We need your help! @BenBarreth [email protected] Cell: 816-332-9770 www.linkedin.com/in/benbarreth

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  • Setting up an SSL Certificate in Apache

    When the HTTP protocol was designed, it was assumed that data transmission would be secure. Times have changed and network security has become much more important to us, especially for certain tasks. Sukrit Dhandhania shows you how to set up Secure Sockets Layer.

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  • Geeks with Blogs acquired by Watson Technology Group

    - by Tarun Arora
    Just received the following email… It’s now official! Hello bloggers, you are receiving this email to let you know that Geeks with Blogs (http://geekswithblogs.net) has been acquired by my company, Watson Technology Group. Jeff Julian started the site in 2003 and since then him and John Alexander (AJI Software) have done a great job with the community. I am a long time friend of theirs and I was actually one of the first bloggers on the site in 2003. I am excited to take over the reins and I have a lot of plans to improve the blog platform and community. My goal is to make the site the #1 blogging site for all IT professionals. The site currently has over 3,000 bloggers and has received 75,000,000 website visitors over the last 5 years. Some of the planned improvements in the coming months: Overall look and feel upgrades to the site Improve editor for blog postings including support for code formatting and uploading images Mobile support and more responsive design templates Improve community side of the site to drive more traffic between blogs Highlight top articles and bloggers by redesigning the home page ... and lots of other things. One of the delicate balances I want to ensure is that each blogger can maintain their own identity and blog personality but at the same time be part of the community of bloggers. The community helps everyone receive more blog traffic and visibility. The blog templates need to be somewhere between Facebook and Myspace if you know what I mean. Since this website is designed to be a community, I would love to have your feedback and hear your ideas. Please submit idea via UserVoice at http://geekswithblogs.uservoice.com or email [email protected] at anytime. For those who are interested to know more about me, here is a link to my LinkedIn profile and you can follow me on Twitter @mattwatson81. LinkedIn: http://www.linkedin.com/in/mattwatsonkc Thanks, Matt Watson Geeks with Blogs Member of Geeks with Blogs Unsubscribe [email protected] from this list. Our mailing address is: GeeksWithBlogs,LLC 9201 Ward Parkway Suite 302 Kansas City, MO 64114

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  • Aluminum Laptop Cases vs Leather Laptop Cases

    Both aluminum and leather have been known for their excellent qualities in the world of business, travel and even fashion; but when it comes to choosing one, there are certain qualities that put alum... [Author: Shannon Hilson - Computers and Internet - March 23, 2010]

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