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WCF or Sockets for Communication in a real-time environment?

- by PieterG

I have a scenario where I need to send a series of data across 2 clients. The data includes Serialized XML that will contain commands that the other client will need to react to. I will also need to send images across the wire as I need to provide a chat facility in the form of video/audio chat. I would like a single communication medium for…

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How to use php variables (arrays) in mysql select statements?

- by davidconn

Hi everybody, How do you use a php variable (array) inside a mysql select statement? I am designing an auction site and currently working on a page that lets people view a list of all the current bids for an item. I want to display 3 columns: amountbid - the amount each bidder has bid for the item (held in tblbid) bidderid…

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Does someone have real project experience using asp.net mvc implement complicated web UI app?

- by CodeYun

In my past projects I've been using webform to implement windows form style complicated backend admin page by using asp.net webform. Just wondering by using asp.net mvc, can it make this kind of complicated UI page much easier?

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Please help!! Is there a better way to write this LINQ query

- by Raj Aththanayake

Hi Is there a better simplified way to write this query. My logic is if collection contains customer ids and countrycodes, do the query ordey by customer id ascending. If there are no contain id in CustIDs then do the order by customer name. Is there a better way to write this query? I'm not really familiar with complex lambdas. var…

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Which code snipplets in PHP can create a input form, which creates a new set of data in my mysql dat

- by smiyazaki

I am using the Google Maps API with parts in javascript and others in PHP. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> Google Maps AJAX + mySQL/PHP Example // var iconBlue = new GIcon(); iconBlue.image = 'icon.png'; iconBlue.shadow =…

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Can anyone give me a real world example for when you would want to use an Abstract Method?

- by CoderGirlCSharp

Just the 5 minute overview would be nice....

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LINQ can be used to query and transform strings and collections of strings. It can be especially use

Some interesting approaches to string querying and conversion via LINQ read moreBy Peter BrombergDid 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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FastObjects.NET(is an OODB from Versant) performence in Real Scenerios?

- by Lalit

FastObjects.NET Saves the whole class object(if marked with attribute Persistent) at once in file system(using serilization or similar technology). They are promissing that it is even faster then normal SQL DB approach. My team also thought it is better and faster to save the whole object once instead of each field one by one. …

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Google App Engine - Delete until count() <= 0

- by user365918

What is the difference between these 2 pieces of code? query=Location.all(keys_only=True) while query.count()>0: db.delete(query.fetch(5)) # -- while True: query=Location.all(keys_only=True) if not query.count(): break db.delete(query.fetch(5)) They both work.

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How to find the real problem line in my code with Application Verifier ?

- by Newbie

I am now trying to use this Application Verifier debugging tool, but i am stuck, first of all: it breaks the program at a line that is simple variable set line (s = 1; for example) Secondly, now when i run this program under debugger, my program seems to have changed its behaviour: i am drawing image, and now one of the colors…

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Annotation retention policy: what real benefit is there in declaring `SOURCE` or `CLASS`?

- by watery

I know there are three retention policies for Java annotations: CLASS: Annotations are to be recorded in the class file by the compiler but need not be retained by the VM at run time. RUNTIME: Annotations are to be recorded in the class file by the compiler and retained by the VM at run time, so they may be read…

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How to enable real time CSS editing in chrome?

- by narayanpatra

I have seem a lot of videos in which developers changing CSS on the fly in chrome. I tried the same thing but chrome dod not allow me to change the code. I can't write on the style sheet. Is there any specific setting to do this? Kindly help. EDIT: To edit the css, I right clock on an element, select inspect element.…

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Twitter ?? Nashorn ????

- by Homma

????? ??? jlaskey ??? Nashorn Blog ????????????? https://blogs.oracle.com/nashorn/entry/nashorninthe_twitterverse ???????? ?? Nashorn ?????????????????????????????????Project Nashorn ???????????Nashorn ?????????????????????Nashorn…

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How do I get a server-side count on an LDAP query from Sun Java System Directory Server?

- by cubetwo1729

I wish to count the number of objects returned from a query (but I do not need the actual objects themselves) from Sun Java System Directory Server 5.2. E.g., if I want to find all people with surname Smith, I would want something…

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getting warning messages "avahi-daemon[3201]: Invalid query packet." on suse 10.1 server with raid 1

- by jarus

I had recently replaced a failing hard drive on my software raid 1 system with suse 10.1 , and i am checking for any warning messages on " var/log/warn " and i found this message "avahi-daemon[3201]: Invalid query packet." more…

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SPROC runs in Query Analyzer 2008 Enterprise but will not run inside a Job on SQL Agent

- by jim-johnston

I have a stored procedure that runs in Query Analyzer 2008 Enterprise but will not run inside a Job on SQL Agent. It just spins. I have checked permissions, ANSI NULL ON , etc. to no avail. Funny thing is I can wrap a SSIS…

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How can a cached query take 2500 ms on a Sql Server 2008?

- by Lieven Cardoen

How is it possible that a cached query could take that long. With cache cleared it takes 25000 ms (I know that's just way too long but that's not the issue here). Once it is cached, it takes 2500 ms. What could be the problem…

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What perfmon counters should I track for improvements to the query plan cache?

- by Bill Paetzke

I am parameterizing my web app's ad hoc sql. As a result, I expect the query plan cache to reduce in size and have a higher hit ratio. What should I track in perfmon regarding this? How could I report on this change? (I'd…

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Can I include the path and query string in an IIS "Error Pages" redirect?

- by Dylan Beattie

I'm setting up a custom 403.4 handler so that non-SSL requests to my site are redirected to a different URL - and what I'd like to do is to include the script path and query string in the redirect, so that a user who requests…

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DNS Root-Server: Is there one Central Root-Server to query the Rootservers itself?

- by jens

Hello Experts, if I want to querey the DNS delegation "manually", I normally start using one of the "DNS-Root-Servers", like b.root-servers.net. dig @b.root-servers.net test.com But what if the root servers would change?…

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Oracle Data Integration 12c: Simplified, Future-Ready, High-Performance Solutions

- by Thanos Terentes Printzios

In today’s data-driven business environment, organizations need to cost-effectively manage the ever-growing streams of information originating both inside and outside the firewall and address emerging deployment styles like…

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October 2013 Oracle University Round-Up: New Training & Certifications

- by Breanne Cooley

Here are the highlights of what is happening this month at Oracle University. New Technology Overview Courses: Cloud, Big Data and Security Learn about the latest technology solutions that can transform your…

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BizTalk 2009 - The Community ODBC Adapter: Schema Generation

- by Stuart Brierley

Having previously detailed the installation of the Community ODBC Adapter for BizTalk 2009, the next thing I will be looking at is the generation of schemas using this ODBC adapter. Within your BizTalk 2009…

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MySQL multiple instances: can you specify a separate general_log/general_log_file option?

- by gravyface

Have two working MySQL instances as well as the default instance. I have general logging enabled on the default; this is working fine. On the second instance, I've added: general_log = 1 general_log_file =…

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Can't set screen brightness in Gentoo system

- by Real Yang

My system: Linux gentoo 3.10.7-gentoo-r1 VGA compatible controller: NVIDIA Corporation GT216M [GeForce GT 240M] (rev a2) output of xbacklight: No outputs have backlight property output of xrandr: xrandr:…

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