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• 3rd Annual South Florida SQL Saturday - August 13th!

  - by ScottKlein

  The 3rd annual South Florida SQL Saturday event will be help August 13th, 2011 at Nova Southeastern University in Davie, FL. This is a change in venue from last year as DeVry is in the middle of a major remodling project. We has almost 450 last year, and we expect to have over 500 this year with great speakers such as Andy Warren, Herve Roggero, and more! As always, we our goal is to feed you well, so we are shooting for some hot lunch food this year. We are working on that now and will update you as soon as we firm it up. One of the things we will be trying this year is 90-100 minute sessions on a couple of tracks. We strongly feel that several topics are just getting warmed up in 45 minutes, so we are going to experiment with 90-100 minute sessions on some of the BI topics. We would love to see you there!

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• Inserting Data into a Microsoft SQL 2008 Database in ASP.NET 3.5

  In the previous article Creating an ASP.NET Dynamic Web Page using a MS SQL Server 2 8 Database GridView Display you learned how to create a dynamic web page that can let the user edit and delete database records directly using a web browser. It was demonstrated with a home renovation project where team leaders can update and delete project tasks online. However it does not include features that let users add or insert new records directly into the database using a web browser. This feature will be covered in this tutorial.... Cloud Servers in Demand - GoGrid Start Small and Grow with Your Business. $0.10/hour

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• SQL SERVER Interview Questions & Answers Needs Your Help

  About an year ago, I had posted SQL Server related Interview Questions and Answers. It was very well received in community. I have received many comments, suggestions and emails on this subject. I am planning to upgrade the Interview Questions and Answers and take it to next level.Here, I need your help. Please your comments, [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Address search from large text file

  - by user73809

  Basically I want to develop a Address lookup(part of my project) using C# (and I can use SQL if necessary). I have a very large text file which have all the UK address and postcodes. Addresses needs to be looked up from this text file. For example, as soon as a user type in the first letter of the postcode it should list all the postcodes starting with that letter and as they type in further, the list should narrow down. Could you guys please how I can do this search very fast and list the results in a efficient way. If you guys know any methods and technologies pls do advice.

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• SQL SERVER Merge Operations Insert, Update, Delete in Single Execution

  This blog post is written in response to T-SQL Tuesday hosted by Jorge Segarra (aka SQLChicken). I have been very active using these Merge operations in my development. However, I have found out from my consultancy work and friends that these amazing operations are not utilized by them most of the time. Here is my [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• SQL SERVER Out of the Box Activty and Performance Reports from SSSMS

  SQL Server management Studio 2008 is wonderful tool and has many different features. Many times, an average user does not use them as they are not aware about these features. Today, we will learn one such feature. SSMS comes with many inbuilt performance and activity reports, but we do not use it to the full [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• SQL SERVER Stored Procedure and Transactions

  I just overheard the following statement – “I do not use Transactions in SQL as I use Stored Procedure“. I just realized that there are so many misconceptions about this subject. Transactions has nothing to do with Stored Procedures. Let me demonstrate that with a simple example. USE tempdb GO --Create3TestTables CREATETABLE TABLE1 (ID INT); [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Database Context and Singleton injection with IoC

  - by zaitsman

  All of the below relates to a ASP.NET c# app. I have a Singleton Settings MemoryCache that reads values from database on first access and caches these, then invalidates them using SQL Service Broker message and re-reads as required. For the purposes of standard controllers, i create my Db Context in a request scope. However, this obviously means that i can't use the same context in the Settings Cache class, since that is a singleton and we have a scope collision. At the moment, i ended up with two db contexts - the Controllers get it via IoC container, whereas a Singleton just creates it's own. However, i am not satisfied with this approach (mostly due to the way i feel about two contexts, the cache doesn't set anything on the db hence concurrency is not an issue as much). What is a better way to do it?

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• SQL SERVER Data Pages in Buffer Pool Data Stored in MemoryCache

  This will drop all the clean buffers so we will be able to start again from there. Now, run the following script and check the execution plan of the query. Have you ever wondered what types of data are there in your cache? During SQL Server Trainings, I am usually asked if there is any [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• SQL SERVER Precision of SMALLDATETIME A 1 MinutePrecision

  I am myself surprised that I am writing this post today. I am going to present one of the very known facts of SQL Server SMALLDATETIME datatype. Even though this is a very well-known datatype, many a time, I have seen developers getting confused with precision of the SMALLDATETIME datatype. The precision of the datatype [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• How To Install Windows Azure

  This tutorial assumes that you are familiar with the offerings that both Windows Azure and SQL Azure have to offer. If that is not the case, I recommend you visit the products features page located at: http://www.microsoft.com/windowsazure/features/. To begin, go to www.microsoft.com/windowsazure/sdk and click on the Get Tools amp; SDK button, shown below: Alternatively, you could choose to download the Standalone Windows Azure SDK or the Windows Azure AppFabric SDK, but that is beyond the scope of this article. Basically you would choose this option if you did not want to install the other ...

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• Listing SQL Columns

  - by Bunch

  When I am writing up stored procedures in SSMS sometimes I need to know what column types are used in a table. For instance I will know the table name but I might not remember exactly the length of a varchar column or if a column stored the data as an integer or varchar. And I may not want to scroll through all the tables in Object Explorer to find the one I want. A lot of times it is easier if I can just write a quick query to pull up the information I need. The syntax to do something like this is pretty easy. SELECT COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH FROM yourdbname.information_schema.columns WHERE TABLE_NAME = ‘yourtablename’ After running that you will get a listing in the Results pane just like any other query with the column name, data type and length (if any). Technorati Tags: SQL

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• moment.js work out time left

  - by user1503606

  I am trying to get my head around the moment.js library as it seems more stable than the jquery one and the jquery date one is output console errors. http://momentjs.com/docs/#/manipulating/ What i am trying to do is do a countdown to work out the time left from now. example i have var countDownTill = '2012-11-19 00:00:00 +0000'; document.write(moment(countDownTill).diff(moment(), 'months') + " months<br>"); document.write(moment(countDownTill).diff(moment(), 'weeks') + " weeks<br>"); document.write(moment(countDownTill).diff(moment(), 'days') + " days<br>"); which will output 0 months 1 weeks 4 days but its not working out overall its doing it individuals for each value (days,weeks,months) so if i up the date by say 12 months like below. var countDownTill = '2013-11-19 00:00:00 +0000'; document.write(moment(countDownTill).diff(moment(), 'months') + " months<br>"); document.write(moment(countDownTill).diff(moment(), 'weeks') + " weeks<br>"); document.write(moment(countDownTill).diff(moment(), 'days') + " days<br>"); it outputs. 12 months 53 weeks 369 days where as i am trying to get it to output 12 months 2 weeks 5 days example here http://jsfiddle.net/fDmWH/3/

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• Year split in Quarters using basic jQuery

  - by Alexander Corotchi

  Hi, I have a interesting question: I want to split the year into 4 quarters. What is the idea, A quarter can be different: The HTML Code: <div class="quarterBody"> <span>04-29-2010</span> <span>06-29-2010</span> <span>08-29-2010</span> </div> jQuery (javascript) is total wrong, I hope that w: $(document).ready(function(){ var quarter1 = to make interval (01-01-2010 to 03-31-2010); var quarter2 = to make interval (03-01-2010 to 06-31-2010); var quarter3 = to make interval (06-01-2010 to 09-31-2010); var quarter4 = to make interval (09-01-2010 to 12-31-2010); ... $(".quarterBody span").each(function(){ var date = Date.parse($(this).text()); //to apply some magic code $(this).addClass(quarterNumber); }); }); OUTPUT: <div class="quarterBody"> <span class="Quarter1">02-29-2010</span> <span class="Quarter2">04-29-2010</span> <span class="Quarter3">08-29-2010</span> ... </div> I know right now it is a stupid way, but I hope that somebody can help me, or suggest an idea how to do that in a better way!! Thanks!

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• java time check API

  - by ring bearer

  I am sure this was done 1000 times in 1000 different places. The question is I want to know if there is a better/standard/faster way to check if current "time" is between two time values given in hh:mm:ss format. For example, my big business logic should not run between 18:00:00 and 18:30:00. So here is what I had in mind: public static boolean isCurrentTimeBetween(String starthhmmss, String endhhmmss) throws ParseException{ DateFormat hhmmssFormat = new SimpleDateFormat("yyyyMMddhh:mm:ss"); Date now = new Date(); String yyyMMdd = hhmmssFormat.format(now).substring(0, 8); return(hhmmssFormat.parse(yyyMMdd+starthhmmss).before(now) && hhmmssFormat.parse(yyyMMdd+endhhmmss).after(now)); } Example test case: String doNotRunBetween="18:00:00,18:30:00";//read from props file String[] hhmmss = downTime.split(","); if(isCurrentTimeBetween(hhmmss[0], hhmmss[1])){ System.out.println("NOT OK TO RUN"); }else{ System.out.println("OK TO RUN"); } What I am looking for is code that is better in performance in looks in correctness What I am not looking for third-party libraries Exception handling debate variable naming conventions method modifier issues

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• Get Last Friday of Month in Java

  - by Nick Klauer

  I am working on a project where the requirement is to have a date calculated as being the last Friday of a given month. I think I have a solution that only uses standard Java, but I was wondering if anyone knew of anything more concise or efficient. Below is what I tested with for this year: for (int month = 0; month < 13; month++) { GregorianCalendar d = new GregorianCalendar(); d.set(d.MONTH, month); System.out.println("Last Week of Month in " + d.getDisplayName(d.MONTH, Calendar.LONG, Locale.ENGLISH) + ": " + d.getLeastMaximum(d.WEEK_OF_MONTH)); d.set(d.DAY_OF_WEEK, d.FRIDAY); d.set(d.WEEK_OF_MONTH, d.getActualMaximum(d.WEEK_OF_MONTH)); while (d.get(d.MONTH) > month || d.get(d.MONTH) < month) { d.add(d.WEEK_OF_MONTH, -1); } Date dt = d.getTime(); System.out.println("Last Friday of Last Week in " + d.getDisplayName(d.MONTH, Calendar.LONG, Locale.ENGLISH) + ": " + dt.toString()); }

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• Zend_Date and Zend Locale; can't get it to work ><

  - by Rick de Graaf

  Loving Zend Framework, hating Zend_Date... I'm buidling an app where one of the functions is to track the time one spends on a certain task. This works great. My previous question was my incapability to get the sum of all the timestamps (time spent on each task). Well that works as a charm, but when I echo this value, it adds one hour. Using gmdate() (just for checking) and the value turns out exactly as it's supposed to. I thought to solve this problem easeliy with Zend_Local, but I can't get the damn thing to work! This is my bootstrap code: protected function _initLocale() { $locale = new Zend_Locale('nl_NL'); $locale->setLocale($locale); Zend_Registry::set('Zend_Locale', $locale); } This is the code in my view file: $date = new Zend_Date($this->timequery, null, $locale); echo $date->toString(Zend_Date::HOUR.':'.Zend_Date::MINUTE.':'.Zend_Date::SECOND); The timestamp I'm processing is: 2632 which equals 00:43:52. The output I get is: 01:43:52 I know the extra hour comes from the time difference, but I can seem to solve this with Zend_Local and Zend_Date.

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• calculate business days including holidays

  - by ran

  i need to calculate the business days between two dates. ex : we have holiday(in USA) on july4th. so if my dates are date1 = 07/03/2012 date2 = 07/06/2012 no of business days b/w these dates should be 1 since july4th is holiday. i have a below method to calclulate the business days which will only counts week ends but not holidays. is there any way to calculate holidays also....please help me on this. public static int getWorkingDaysBetweenTwoDates(Date startDate, Date endDate) { Calendar startCal; Calendar endCal; startCal = Calendar.getInstance(); startCal.setTime(startDate); endCal = Calendar.getInstance(); endCal.setTime(endDate); int workDays = 0; //Return 0 if start and end are the same if (startCal.getTimeInMillis() == endCal.getTimeInMillis()) { return 0; } if (startCal.getTimeInMillis() > endCal.getTimeInMillis()) { startCal.setTime(endDate); endCal.setTime(startDate); } do { startCal.add(Calendar.DAY_OF_MONTH, 1); if (startCal.get(Calendar.DAY_OF_WEEK) != Calendar.SATURDAY && startCal.get(Calendar.DAY_OF_WEEK) != Calendar.SUNDAY) { ++workDays; } } while (startCal.getTimeInMillis() < endCal.getTimeInMillis()); return workDays; }

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• Semi-generic function

  - by Fredrik Ullner

  I have a bunch of overloaded functions that operate on certain data types such as int, double and strings. Most of these functions perform the same action, where only a specific set of data types are allowed. That means I cannot create a simple generic template function as I lose type safety (and potentially incurring a run-time problem for validation within the function). Is it possible to create a "semi-generic compile time type safe function"? If so, how? If not, is this something that will come up in C++0x? An (non-valid) idea; template <typename T, restrict: int, std::string > void foo(T bar); ... foo((int)0); // OK foo((std::string)"foobar"); // OK foo((double)0.0); // Compile Error Note: I realize I could create a class that has overloaded constructors and assignment operators and pass a variable of that class instead to the function.

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• Long To XMLGregorianCalendar and back to Long

  - by JD.

  I am trying to convert from millisecond time stamp to XMLGregorianCalendar and back, but I seem to be getting wrong results. Am I doing something wrong? It seems I am gaining days. // Time stamp 01-Jan-0001 00:00:00.000 Long ts = -62135740800000L; System.out.println(ts); System.out.println(new Date(ts)); // Sat Jan 01 00:00:00 PST 1 .. Cool! // to Gregorian Calendar GregorianCalendar gc = new GregorianCalendar(); gc.setTimeInMillis(ts); // to XML Gregorian Calendar XMLGregorianCalendar xc = DatatypeFactory.newInstance().newXMLGregorianCalendar(gc); // back to GC GregorianCalendar gc2 = xc.toGregorianCalendar(); // to Timestamp Long newTs = gc2.getTimeInMillis(); System.out.println(newTs); // -62135568000000 .. uh? System.out.println(new Date(newTs)); // Mon Jan 03 00:00:00 PST 1 .. where did the extra days come from?

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• How can multiple variables be passed to a function cleanly in C?

  - by aquanar

  I am working on an embedded system that has different output capabilities (digital out, serial, analog, etc). I am trying to figure out a clean way to pass many of the variables that will control those functions. I don't need to pass ALL of them too often, but I was hoping to have a function that would read the input data (in this case from a TCP network), and then parse the data (IE, the 3rd byte contains the states of 8 of the digital outputs (according to which bit in that byte is high or low)), and put that into a variable where I can then use elsewhere in the program. I wanted that function to be separate from the main() function, but to do so would require passing pointers to some 20 or so variables that it would be writing to. I know I could make the variables global, but I am trying to make it easier to debug by making it obvious when a function is allowed to edit that variable, by passing it to the function. My best idea was a struct, and just pass a pointer to it, but wasn't sure if there was a more efficient way, especially since there is only really 1 function that would need to access all of them at once, while most others only require parts of the information that will be stored in this bunch of state variables. So anyway, is there a clean way to send many variables between functions at once that need to be edited?

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• What was scientifically shown to support productivity when organizing/accessing file and folders?

  - by Tom Wijsman

  I have gathered terabytes of data but it has became a habit to store files and folders to the same folder, that folder could be kind of seen as a Inbox where most files (non-installations) enter my system. This way I end up with a big collections of files that are hard to organize properly, I mostly end up making folders that match their file type but then I still have several gigabytes of data per folder which doesn't make it efficient such that I can productively use the folder. I'd rather do a few clicks than having to search through the files, whether that's by some software product or by looking through the folder. Often the file names themselves are not proper so it would be easier to recognize them if there were few in a folder, rather than thousands of them. Scaling in the structure of directory trees in a computer cluster summarizes this problem as following: The processes of storing and retrieving information are rapidly gaining importance in science as well as society as a whole [1, 2, 3, 4]. A considerable effort is being undertaken, firstly to characterize and describe how publicly available information, for example in the world wide web, is actually organized, and secondly, to design efficient methods to access this information. [1] R. M. Shiffrin and K. B¨orner, Proc. Natl. Acad. Sci. USA 101, 5183 (2004). [2] S. Lawrence, C.L. Giles, Nature 400, 107–109 (1999). [3] R.F.I. Cancho and R.V. Sol, Proc. R. Soc. London, Ser. B 268, 2261 (2001). [4] M. Sigman and G. A. Cecchi, Proc. Natl. Acad. Sci. USA 99, 1742 (2002). It goes further on explaining how the data is usually organized by taking general looks at it, but by looking at the abstract and conclusion it doesn't come with a conclusion or approach which results in a productive organization of a directory hierarchy. So, in essence, this is a problem for which I haven't found a solution yet; and I would love to see a scientific solution to this problem. Upon searching further, I don't seem to find anything useful or free papers that approach this problem so it might be that I'm looking in the wrong place. I've also noted that there are different ways to term this problem, which leads out to different results of papers. Perhaps a paper is out there, but I'm not just using the same terms as that paper uses? They often use more scientific terms. I've once heard a story about an advocate with a laptop which has simply outperformed an advocate with had tons of papers, which shows how proper organization leads to productivity; but that story didn't share details on how the advocate used the laptop or how he had organized his data. But in any case, it was way more useful than how most of us organize our data these days... Advice me how I should organize my data, I'm not looking for suggestions here. I would love to see statistics or scientific measurement approaches that help me confirm that it does help me reach my goal.

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• Excel 2007 - How can I write "use this cell" or IF BLANK "use this cell"?

  - by Mike

  I am trying to show the Days between NOW() and the dates (dd/mm/yy) in, either Column B or Column C - depending which one is NOT blank A B C 29/03/10 01/04/10 29/03/10 02/04/10 29/03/10 30/04/10 29/03/10 31/03/10 29/03/10 03/04/10 I currently have the formaul below and then drag it down, but it obviously means I need to go back and amend the 'errors'. =DAYS360(A1,B1) I always forget how to nest this type of NULL/BLANK thing so any help, or pointers to remember would be appreciated. Thanks Mike

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• EXCEL generate a character in one column of a row, only if other columns in the same row are not bl

  - by Simon

  My speadsheet keeps track of when patients leave a specific floor of the hospital. There are columns in which where each patient goes is documented (1 column for "home", another column for "rehab facility", another for "other floor", etc.). Only when the patient leaves the hospital altogether does it count as a discharge, in which case the “discharge” column needs to have something in it. What formula can I use to generate, say, an "x" in the "discharge" column if certain "where they went" columns in the same row contain something, but not if there is nothing in any of them? Currently, to accomplish this I am using =IF(OR(M30,N30,O30,P30,Q30,R30,S30),"x") in row 3 of the "discharge" column (rows 1 and 2 are headings), and I have used "fill down" in all subsequent rows. To suppress the "FALSE" this formula yields when the condition is not true, I have applied conditonal formatting to the entire column that if the value=FALSE then the font is white (same colour as background). Is there a more efficient, elegant and idiot-proof way of doing this? The conditional formatting of text colour could potentially confuse everyone but the person who built the spreadsheet (me).

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• Help to calculate hours and minutes between two time periods in Excel 2007

  - by Mestika

  Hi, I’m working on a very simple timesheet for my work in Excel 2007 but have ran into trouble about calculate the hours and minutes between two time periods. I have a field: timestart which could be for example: 08:30 Then I have a field timestop which could be for example: 12:30 I can easy calculate the result myself which is 4 hours but how do I create a “total” table all the way down the cell that calculate the hours spend on each entry? I’ve tried to play around with the time settings but it just give me wrong numbers each time. Sincerely Mestika

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