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  • Can I get a C++ Compiler to instantiate objects at compile time

    - by gam3
    I am writing some code that has a very large number of reasonably simple objects and I would like them the be created at compile time. I would think that a compiler would be able to do this, but I have not been able to figure out how. In C I could do the the following: #include <stdio.h> typedef struct data_s { int a; int b; char *c; } info; info list[] = { 1, 2, "a", 3, 4, "b", }; main() { int i; for (i = 0; i < sizeof(list)/sizeof(*list); i++) { printf("%d %s\n", i, list[i].c); } } Using #C++* each object has it constructor called rather than just being layed out in memory. #include <iostream> using std::cout; using std::endl; class Info { const int a; const int b; const char *c; public: Info(const int, const int, const char *); const int get_a() { return a; }; const int get_b() { return b; }; const char *get_c() const { return c; }; }; Info::Info(const int a, const int b, const char *c) : a(a), b(b), c(c) {}; Info list[] = { Info(1, 2, "a"), Info(3, 4, "b"), }; main() { for (int i = 0; i < sizeof(list)/sizeof(*list); i++) { cout << i << " " << list[i].get_c() << endl; } } I just don't see what information is not available for the compiler to completely instantiate these objects at compile time, so I assume I am missing something.

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  • Attunity Webcast on Real Time Optimisation For Microsoft BI

    On Wednesday 18th May 1Pm –2PM Eastern Time I am going to be helping Attunity deliver a webcast.  In it I want to highlight some of the challenges we face in getting data around our environments.  I want to highlight the Microsoft products that can help us realise Business Intelligence. It promises to be a good hour.  Hope to see you all there.  Here is the link Attunity Webcast

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  • url changed to www...how much time google take to reindex

    - by user20321
    its been about a week i have changed my url from non www to www version it was done by my host provider .....now i want to ask how much time does google take to remove my sitename.com from indexing and replace it with www.sitename.com (site redirection has been already done by host provider )as it is still showing old ones my new urls are indexed but my main url www.sitename.com is not indexed...or so do i have to remove those old urls personally...its been already about 5-6 days?????

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  • It has been a long time since last post

    - by The Official Microsoft IIS Site
    Wow, just realized that in the last 6 months I’ve only had a chance to post 2 items and I think it is about time to start this going again. So why this much silence? Well, About 8 months ago a couple of big changes happened at my division as described in this link . As part of that transition my responsibilities changed and I transitioned from being the Development Manager for the Web Platform (IIS, WebMatrix, WebDeploy, etc…) to take a new role and start a new team that we called Azure UX team....(read more)

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  • How to make Ubuntu remember forever the password after the first time

    - by Luis Alvarado
    Is it possible to make Ubuntu remember the password for any program after the first time it asks. I get asked for the password for Synaptic, for making a usb bootable, for connecting to the wifi network, for opening gparted and even to go to the bathroom. Is there a way to just tell it to ask once forever or just tell it to not ask (Without going to root account. I want to keep using my own account)

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  • How to reduce bubble-notification time in empathy?

    - by MCan
    empathy shows a bubble notification message on top right corner if a user comes online or goes offline (obviously we can change them from the preferences), but is there any way we can reduce the time for which the bubble notification remains on screen. By default it remains fro 3-4 seconds, is there any way we can change it to 1 or may be 2 seconds (I know the matter is of few seconds only but 4 seconds looks too long and I want to reduce it). Any help is welcome. Cheers.

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  • JCP.next.3: time to get to work

    - by Patrick Curran
    As I've previously reported in this blog, we planned three JSRs to improve the JCP’s processes and to meet our members’ expectations for change. The first - JCP.next.1, or more formally JSR 348: Towards a new version of the Java Community Process - was completed in October 2011. This focused on a small number of simple but important changes to make our process more transparent and to enable broader participation. We're already seeing the benefits of these changes as new and existing JSRs adopt the new requirements. However, because we wanted to complete this JSR quickly we deliberately postponed a number of more complex items, including everything that would require modifying the JSPA (the legal agreement that members sign when they join the organization) to a follow-on JSR. The second JSR (JSR 355: JCP Executive Committee Merge) is in progress now and will complete later this year. This JSR is even simpler than the first, and is focused solely on merging the two Executive Committees into one for greater efficiency and to encourage synergies between the Java ME and Java SE platforms. Continuing the momentum to move Java and the JCP forward we have just filed the third JSR (JCP.next.3) as JSR 358: A major revision of the Java Community Process. This JSR will modify the JSPA as well as the Process Document, and will tackle a large number of complex issues, many of them postponed from JSR 348. For these reasons we expect to spend a considerable amount of time working on it - at least a year, and probably more. The current version of the JSPA was created back in 2002, although some minor changes were introduced in 2005. Since then the organization and the environment in which we operate have changed significantly, and it is now time to revise our processes to ensure that they meet our current needs. We have a long list of topics to be considered, including the role of independent implementations (those not derived from the Reference Implementation), licensing and open source, ensuring that our new transparency requirements are implemented correctly, compatibility policy and TCKs, the role of individual members, patent policy, and IP flow. The Expert Group for JSR 358, as with all process-change JSRs, consists of all members of the Executive Committees. Even though the JSR has just been filed we started discussions on the various topics several months ago (see the EC's meeting minutes for details) and our EC members - including the new members who joined within the last year or two - are actively engaged. Now it's your opportunity to get involved. As required by version 2.8 of our Process (introduced with JSR 348) we will conduct all our business in the open. We have a public java.net project where you can follow and participate in our work. All of our deliberations will be copied to a public Observer mailing list, we'll track our issues on a public Issue Tracker, and all our documents (meeting agendas and minutes, task lists, working drafts) will be published in our Document Archive. We're just getting started, but we do want your input. Please visit us on java.net where you can learn how to participate. Let's get to work...

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  • contractor vs full time employee

    - by Victor
    What is the long term career prospect of a contractor/consultant in IT field vs a full time salaried employee? The usual arguments aside: Stability vs more upfront money;paid leaves vs tax savings;less paperwork vs more freedom;stagnation vs changing job environments etc etc etc Can some one with a long career experience in hopefully both sides of the divide comment on the pros and cons of contracting vs being an employee? This will be beneficial for all if only people with ample experience choose to answer. Comments are always welcome though.

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  • Initialize array in amortized constant time -- what is this trick called?

    - by user946850
    There is this data structure that trades performance of array access against the need to iterate over it when clearing it. You keep a generation counter with each entry, and also a global generation counter. The "clear" operation increases the generation counter. On each access, you compare local vs. global generation counters; if they differ, the value is treated as "clean". This has come up in this answer on Stack Overflow recently, but I don't remember if this trick has an official name. Does it? One use case is Dijkstra's algorithm if only a tiny subset of the nodes has to be relaxed, and if this has to be done repeatedly.

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  • Does tweeting 9 to 5 hurt job applicants?

    - by evadeflow
    If you were looking into a job applicant's background and discovered that he or she has 1200 followers on Twitter and averages 50 tweets per day (more than half of which are during business hours), would it affect your hiring decision? How and why? Personally, I'd be a little worried about the candidate's ability to focus on the job at hand if they're constantly checking in with their 'tweeps' thoughout the day. In non-tech jobs, a lot of companies simply block Twitter as an irrelevant distraction. But it can be a useful resource---to programmers in particular. I just wonder how much is too much. At what point does it become a red flag?

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  • Where does ntpdate get its settings from and what is the "no servers can be used" error about?

    - by wilhil
    When I run ntpdate on its own, I get the following output: 8 Jun 15:47:46 ntpdate[31251]: no servers can be used, exiting If I run it with the -q ntp.ubuntu.com switch, it seems to query just fine. I have been hunting through many files and the most relevant one I have found is /etc/default/ntpdate, however, even with NTPDATE_USE_CONF set to no, I just can't understand/see how this error is occurring Any ideas? Update-- been looking non stop... It appears that ntupdate-debianworks fine and is the actual command that makes use of /etc/default/ntupdate, but, this doesn't answer the main question and I still can't find it...

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  • Storage device manger regarding NTFS automount at boot time

    - by muneesh
    I am using storage device manager to auto-mount NTFS file system at boot time.But repeatedly, I am trying to uncheck the checkbox listed 'read only mode' in assistant option of storage device manager. I am not able to to auto-mount my NTFS partition in read/write mode. Please suggest a solution regarding this problem? Remember I am repeatedly trying to uncheck read only checkbox but not able to do that!

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  • Effective methods for managing work tasks? (documenting/remembering/prioritizing)

    - by Kaleb Brasee
    I'm looking for suggestions on effective methods that I can use to document, remember and prioritize tasks at work. Many of the these tasks belong to a primary project, but they also exist for independent initiatives. The tasks themselves cover everything from development to documentation to discussions, with varying priorities, and deadlines ranging from right away to a few months from now. Historically I have used a notepad to keep track of these tasks, with a star next to an item indicating it needs to be done and a check mark when it's completed. However, as I gain more responsibilities and more things to manage: it becomes harder to make sure I've done everything (because some things get lost 5 pages back) it becomes harder to remember what's most important to do next it becomes harder to keep track of dependencies between tasks Has anyone found methods that have made their tasks easier to manage? I've considered adding some meta-data to keep track of what's most important and dependencies, or possibly switching to an app that could automate this (if such a thing exists). Something that's accessible anywhere would definitely be a plus.

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  • Using Minified Page Specific JS [migrated]

    - by Mike C
    I've been working on a rather large scale project which makes use of a number of different pages with some very specific Javascript for each of them. To lessen load times, I plan to minify it all in to one file before deploying. The problem is this: how should I avoid launching page specific JS on pages which don't require it? So far my best solution has been to wrap each page in some additional container <div id='some_page'> ...everything else... </div> and I extended jQuery so I can do something like this: // If this element exists when the DOM is ready, execute the function $('#some_page').ready(function() { ... }); Which, while kind of cool, just rubs me the wrong way.

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  • Android real time multiplayer over LAN

    - by Heigo
    I've developed several games for the android platform and now planning to create my first multiplayer game. What I have in mind is basically just a 2-player game witch you can play with 2 phones over local area connection/WiFi. Both phones need to be able to pass 3 integer values to the other phone in real time. So far I have considered using Socket's, but before I dig into it too deep I wanted to ask if there might be a better approach? Thanks!

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  • General programming techniques to speed up coding time

    - by mcwise
    I am preparing for a programming contest in C++ where it is all about producing working code in a short time. An example would be to use a macro to get the minimum of two ints(but I was told that you shouldn't use macros as they are not type-safe) or using memsets to initialize arrays (but I was told that you shouldn't use memsets in C++). This leads to the question, what kind of coding techniques exist to use at a real job?

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  • Time development vs production values

    - by Pier
    I have to choose between a framework I already know (Adobe Air), and a framework I know nothing about but is more powerful (Unity). I can do the mobile game I have in mind with both platforms, but the quality of the graphics and development time would be quite different. From an indie mobile perspective, are more detailed graphics justifiable commercially? Is there any objective study that throws some solid conclusions about that?

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  • How do you stay focused at work?

    - by BlairHippo
    Sometimes, the things I have to do for my job are interesting and engaging. Sometimes, they aren't. Occasionally, they really aren't. Do you have any particular strategies or tricks for dealing with those dull stretches when your brain would rather be doing anything other than what you're supposed to be doing, particularly when the Internet and its boundless opportunities for interesting Slack beckon?

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  • Joining and compressing all javascript files together - good idea?

    - by Tomáš Zato
    Curently, I avoid loading any unnecesary scripts on individual pages of my site. I have a class that remembers all javascript files that were requested during PHP processing and adds them to HTML. I was just thinking that I could merge the current set of files, save the result in special directory and let the browser download just one, big file. Since the number of possible combinations is not very high, I would end up with about 10 combined files for different pages. I've never seen that on any site. What are the reasons not to do it? I need very fast page load.

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