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Articles indexed Sunday March 21 2010

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  • Subtracting months/years from boost::posix_time::ptime

    - by Zack
    I have a boost::posix_time::ptime that points to March 31st 2010 like this: ptime p(date(2010, Mar, 31)); I would like to subtract a month (and possibly years) from this date. From the docs I see these two operators: ptime operator-(time_duration) and ptime operator-(days) but none of them can work with months/years. If I try and do: time_duration duration = hours(24 * 30); ptime pp = p - duration; I'm getting March 1st and if I'm trying: ptime pp = p - days(30); I'm still getting March 1st, while I'd like to get February 28th. How can I achieve my desired result? (I would like to get the desired result also when subtracting a month from March 28, 29, 30)

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  • DOM - More than 5 'window' objects on one page

    - by Sid
    Hi, I'm trying to extract data from one of my websites using Greasemonkey. Problem is, the script runs 6 times because apparently the page loads content from 6 different servers. So if I put in an alert ("Hey"); the code runs 6 times and I get 6 alerts. How can I wait for the entire page to load and then start playing with the DOM. Also, I'm using jQuery. Thanks

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  • Pass encrypted querystring between php and asp.net (c#)

    - by Paul
    I need to pass a single variable in a querystring from one application (in PHP) to another (in ASP.NET). It's a one way transfer...That is I need to encrypt it in PHP and decrypt it in ASP.NET (c#). I'm barely a newbie on PHP and I'd like not to have to do more than add a tag to the page that needs to do the passing. The data will be anywhere from 5 - 15 characters..only letters and numbers. Thanks!

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  • Create view or SP, only if the DB contains a pattern

    - by Randall Salas
    Hi all: I am working on a script, that needs to be run in many different SQL servers. Some of them, shared the same structure, in other words, they are identical, but the filegroups and the DB names are different. This is because is one per client. Anyway, I would like when running a script, If I chose the wrong DB, it should not be executed. I am trying to mantain a clean DB. here is my example, which only works for dropping a view if exists, but does not work for creating a new one. I also wonder how it would be for creating a stored procedure. Thx a lot. if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[ContentModDate]') and OBJECTPROPERTY(id, N'IsView') = 1) AND CHARINDEX('Content', DB_NAME()) 0 drop view [dbo].[ContentModDate] GO IF (CHARINDEX('Content', DB_NAME()) 0)BEGIN CREATE VIEW [dbo].[Rx_ContentModDate] AS SELECT 'Table1' AS TableName, MAX(ModDate) AS ModDate FROM Tabl1 WHERE ModDate IS NOT NULL UNION SELECT 'Table2', MAX(ModDate) AS ModDate FROM Table2 WHERE ModDate IS NOT NULL END END GO

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  • How to store enum values in a NSMutableArray

    - by Oysio
    My problem is since an enum in objective-c essentially is an int value, I am not able to store it in a NSMutableArray. Apparently NSMutableArray won't take any c-date types like an int. Is there any common way to achieve this ? typedef enum { green, blue, red } MyColors; NSMutableArray *list = [[NSMutableArray alloc] initWithObjects: green, blue, red, nil]; //Get enum value back out MyColors greenColor = [list objectAtIndex:0];

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  • Using Visual Studio 2005 (32bit) on a Windows 7 64bit machine.

    - by Krakkos
    I need to use Visual Studio 2005 (C++) on my new laptop - a Sony Vaio with Windows 7 64bit.. I don't need to develop for a 64bit environment, my work is all 32bit, so how can I be sure that I can still develop/debug/test for a 32bit target environment using VS2005 on a 64bit machine....? What's the best option: 1) Just install VS2005 on Windows 7 64bit and carry on.. (suspect problems with 64bit runtime libs..?) 2) Dual boot the laptop with Windows XP 32bit. 3) Run some kind of Virtual Machine with Windows XP in it... (I don't have a VM yet, but would look into it) Thanks

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  • Can I use imp/exp tools to migrate database from Oracle 9 to Oracle 10

    - by Karol Kolenda
    I'm subcontractor and my client wants to upgrade Oracle database from 9 to 10. Other vendor is going to perform the upgrade process, and I was asked to create whatever backup I need before the upgrade, and then recreate the environment in Oracle 10. All my data is stored in a separate database in a single schema. No fancy relations, scripts or anything like this (actual app supports different dbs: Oracle, SQL Server, Postgres so we want to avoid any DB-specific code). I was hoping to use imp/exp but I'm not sure if imp/exp are backward compatible (exp from O9 and imp to O10)? If there is a better/recommended way of dealing with similar situation, I'll be grateful for any advice.

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  • Complex regex question, data may or may not be in brackets

    - by martinpetts
    I need to extract data from a source that presents it in one of two ways. The data could be formatted like this: Francis (Lab) 18,077 (60.05%); Waller (LD) 4,140 (13.75%); Evans (PC) 3,545 (11.78%); Rees-Mogg (C) 3,064 (10.18%); Wright (Veritas) 768 (2.55%); La Vey (Green) 510 (1.69%) Or like this: Lab 8,994 (33.00%); C 7,924 (29.07%); LD 5,197 (19.07%); PC 3,818 (14.01%); Others 517 (1.90%); Green 512 (1.88%); UKIP 296 (1.09%) The data I need to extract is the percentage and the party (these are election results), which is either in brackets (first example) or is the only non-numeric text. So far I have this: preg_match('/(.*)\(([^)]*)%\)/', $value, $match); Which is giving me the following matches (for first example): Array ( [0] => Francis (Lab) 18,077 (60.05%) [1] => Francis (Lab) 18,077 [2] => 60.05 ) So I have the percentage, but I also need the party label, which may or may not be in brackets and may or may not be the only text. Can anyone help?

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  • ActiveXObject issue in javaScript

    - by shan.swf
    hi.. I wrote a javascript function in my html page to execute an .exe file. for this i used ActiveXObject. my function is: //~~~~~~~~~~~~~~~~~~~~~~~~~~~JavaScript~~~~~~~~~~~~~~~~ function openWin(url) { if (!document.all) { alert ("Available only with Internet Explorer."); return; } var ws = new ActiveXObject("WScript.Shell"); ws.Exec(url); } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ It works fine but there is a alert "An ActiveX control might be unsafe to interact with other parts of the page. Do you want to allow this interaction?" comes up to confirm. If i say YES only it will get loaded. Pls anyone help me on this how to avoid this pop-up coming every time when i reload my html page.

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  • Creating an SQL Compact file: Template or script?

    - by David Veeneman
    I am writing an application that writes to SQL Compact files that have a specific schema, and I am now implementing the New File use case. The simplest approach seems to be to use a Template pattern: first, create a template file that lives in the application directory. Then, when the user selects New File, the template is copied to the name and destination specified by the user in a New File dialog. The alternative is a scripted approach: Use the same New File dialog, but dispense with the template file. Instead, create an empty SQL Compact file using the name/destination specified by the user, and then execute a T-SQL script on it from managed code. At this point, I am leaning toward the Template approach, because it is simpler. Is there any reason I should not use that approach? Thanks for your help.

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  • Where do all the old programmers go?

    - by Tony Lambert
    I know some people move over to management and some die... but where do the rest go and why? One reason people change to management is that in some companies the "Programmer" career path is very short - you can get to be a senior programmer within a few years. Leaving no way to get more money but to become a manager. In other companies project managers and programmers are parallel career paths so your project manager can be your junior. Tony

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  • Trie VS Suffix Tree VS Suffix Array

    - by ukrania
    Hello everyone, Which one is the structure that provides best performance results? Trie, Suffix Tree or Suffix Array? There are other equivalent structures? What are good Java implementations of these structures? Thanks for your answers. Best Regards, ukrania

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  • What is the best way to embed SQL in VB.NET.

    - by Amy P
    I am looking for information on the best practices or project layout for software that uses SQL embedded inside VB.NET or C#. The software will connect to a full SQL DB. The software was written in VB6 and ported to VB.NET, we want to update it to use .NET functionality but I am not sure where to start with my research. We are using Visual Studio 2005. All database manipulations are done from VB. Update: To clarify. We are currently using SqlConnection, SqlDataAdapter, SqlDataReader to connect to the database. What I mean by embed is that the SQL stored procedures are scripted inside our VB code and then run on the db. All of our tables, stored procs, views, etc are all manipulated in the VB code. The layout of our code is quite messy. I am looking for a better architecture or pattern that we can use to organize our code. Can you recommend any books, webpages, topics that I can google, etc to help me better understand the best way for us to do this.

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  • Fastest way to clamp a real (fixed/floating point) value?

    - by Niklas
    Hi, Is there a more efficient way to clamp real numbers than using if statements or ternary operators? I want to do this both for doubles and for a 32-bit fixpoint implementation (16.16). I'm not asking for code that can handle both cases; they will be handled in separate functions. Obviously, I can do something like: double clampedA; double a = calculate(); clampedA = a > MY_MAX ? MY_MAX : a; clampedA = a < MY_MIN ? MY_MIN : a; or double a = calculate(); double clampedA = a; if(clampedA > MY_MAX) clampedA = MY_MAX; else if(clampedA < MY_MIN) clampedA = MY_MIN; The fixpoint version would use functions/macros for comparisons. This is done in a performance-critical part of the code, so I'm looking for an as efficient way to do it as possible (which I suspect would involve bit-manipulation) EDIT: It has to be standard/portable C, platform-specific functionality is not of any interest here. Also, MY_MIN and MY_MAX are the same type as the value I want clamped (doubles in the examples above).

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  • DB2 insert performance - How to measure

    - by svrist
    [From stackoverflow] Im trying to find a way to speedup my inserts to a DB2 9.7.1 (ubuntu linux) Im watching vmstat and trying to gather some statistics via the db2 get snapshot commands but im not able to figure out which numbers im looking for to be able to see where the trouble is. I've read lits of stuff like http://www.eggheadcafe.com/software/aspnet/35692526/question-multiple-row-in.aspx, and http://www.ibm.com/developerworks/data/library/tips/dm-0403wilkins/ and tricks like ALTER TABLE lalala APPEND ON works somewhat (the difference between a dd if=/dev/zero and insert is still a factor 10) but I would like to be able to find the counters or other performance indicators that actually show why it makes sense to use those tricks. For example: What is the metric called that shows me that it is buffer pages allocation (FSCR stuff) that is the problem Where do I see that the insert time is hampered by clustered indexes? I find db2top very useful but im still searching for more direct view of "this is your bottleneck" methods

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  • How to assign a keyboard shortcut to a specific New Window template in Terminal.app?

    - by Mike
    I have a template set up in Snow Leopard's Terminal.app to create a new window or tab with my preferred emulation settings for a particular host that I use. I'd like to assign a keyboard shortcut to that template so that I can quickly create a new window with those settings. I tried using the Keyboard Shortcuts System Preference pane to do it. I can assign the shortcut key to the MyTemplate submenu, but it doesn't work when I try to use it. I suspect because the MyTemplate is listed in multiple submenus -- one for New Window and one for New Tab. How can I assign a keyboard shortcut to my new fancy template? PS. I do NOT wish to change my default (cmd-N) template.

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  • What browser feature is this exploiting and how to stop it ?

    - by ldigas
    http://raffa991.ra.funpic.de/lol/ Warning: It is some kind of an annoying "you are an idiot" sign combined with a lot of popup message boxes. Open with care! In any case, it crashed my firefox 3.5.4. (or to be more precise, made it unusable) ... I don't know about other browsers. Since it's been a while since something that stupid did something like that, I'm wondering ... what weakness is that thing using (Javascript ?), and how to protect oneself from it ?

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