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  • Marissa Mayer n'aurait accordé à Google que 30 minutes de préavis, avant de se rendre dans le camp de Yahoo!

    Yahoo! débauche une des têtes pensantes les plus talentueuses de Google Que va pouvoir faire Marissa Mayer pour relancer le pionnier du web ? On lui souhaite bien du courage, mais a priori elle en a. Marissa Mayer a quitté Google hier pour prendre la tête de Yahoo!, le portail pionnier du web en pleine zone de turbulence depuis que ses dirigeants ont repoussé une offre de rachat pharaonique de Microsoft en 2008. L'annonce a fait l'effet d'une bombe dans la Silicon Valley. Car Marissa Mayer n'est pas n'importe qui. Dans un très...

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  • Why isn't my query using any indices when I use a subquery?

    - by sfussenegger
    I have the following tables (removed columns that aren't used for my examples): CREATE TABLE `person` ( `id` int(11) NOT NULL, `name` varchar(1024) NOT NULL, `sortname` varchar(1024) NOT NULL, PRIMARY KEY (`id`), KEY `sortname` (`sortname`(255)), KEY `name` (`name`(255)) ); CREATE TABLE `personalias` ( `id` int(11) NOT NULL, `person` int(11) NOT NULL, `name` varchar(1024) NOT NULL, PRIMARY KEY (`id`), KEY `person` (`person`), KEY `name` (`name`(255)) ) Currently, I'm using this query which works just fine: select p.* from person p where name = 'John Mayer' or sortname = 'John Mayer'; mysql> explain select p.* from person p where name = 'John Mayer' or sortname = 'John Mayer'; +----+-------------+-------+-------------+---------------+---------------+---------+------+------+----------------------------------------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+-------------+---------------+---------------+---------+------+------+----------------------------------------------+ | 1 | SIMPLE | p | index_merge | name,sortname | name,sortname | 767,767 | NULL | 3 | Using sort_union(name,sortname); Using where | +----+-------------+-------+-------------+---------------+---------------+---------+------+------+----------------------------------------------+ 1 row in set (0.00 sec) Now I'd like to extend this query to also consider aliases. First, I've tried using a join: select p.* from person p join personalias a where p.name = 'John Mayer' or p.sortname = 'John Mayer' or a.name = 'John Mayer'; mysql> explain select p.* from person p join personalias a on p.id = a.person where p.name = 'John Mayer' or p.sortname = 'John Mayer' or a.name = 'John Mayer'; +----+-------------+-------+--------+-----------------------+---------+---------+-------------------+-------+-----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+--------+-----------------------+---------+---------+-------------------+-------+-----------------+ | 1 | SIMPLE | a | ALL | ref,name | NULL | NULL | NULL | 87401 | Using temporary | | 1 | SIMPLE | p | eq_ref | PRIMARY,name,sortname | PRIMARY | 4 | musicbrainz.a.ref | 1 | Using where | +----+-------------+-------+--------+-----------------------+---------+---------+-------------------+-------+-----------------+ 2 rows in set (0.00 sec) This looks bad: no index, 87401 rows, using temporary. Using temporary only appears when I use distinct, but as an alias might be the same as the name, I can't really get rid of it. Next, I've tried to replace the join with a subquery: select p.* from person p where p.name = 'John Mayer' or p.sortname = 'John Mayer' or p.id in (select person from personalias a where a.name = 'John Mayer'); mysql> explain select p.* from person p where p.name = 'John Mayer' or p.sortname = 'John Mayer' or p.id in (select id from personalias a where a.name = 'John Mayer'); +----+--------------------+-------+----------------+------------------+--------+---------+------+--------+-------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+--------------------+-------+----------------+------------------+--------+---------+------+--------+-------------+ | 1 | PRIMARY | p | ALL | name,sortname | NULL | NULL | NULL | 540309 | Using where | | 2 | DEPENDENT SUBQUERY | a | index_subquery | person,name | person | 4 | func | 1 | Using where | +----+--------------------+-------+----------------+------------------+--------+---------+------+--------+-------------+ 2 rows in set (0.00 sec) Again, this looks pretty bad: no index, 540309 rows. Interestingly, both queries (select p.* from person ... or p.id in (4711,12345) and select id from personalias a where a.name = 'John Mayer') work extremely well. Why doesn't MySQL use any indices for both of my queries? What else could I do? Currently, it looks best to fetch person.ids for aliases and add them statically as an in(...) to the second query. There certainly has to be another way to do this with a single query. I'm currently out of ideas though. Could I somehow force MySQL into using another (better) query plan?

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  • Top 31 Favorite Features in Windows Server 2012

    - by KeithMayer
    Over the past month, my fellow IT Pro Technical Evangelists and I have authored a series of articles about our Top 31 Favorite Features in Windows Server 2012.  Now that our series is complete, I’m providing a clickable index below of all of the articles in the series for your convenience, just in case you perhaps missed any of them when they were first released.  Hope you enjoy our Favorite Features in Windows Server 2012! Top 31 Favorite Features in Windows Server 2012 The Cloud OS Platform by Kevin Remde Server Manager in Windows Server 2012 by Brian Lewis Feel the Power of PowerShell 3.0 by Matt Hester Live Migrate Your VMS in One Line of PowerShell by Keith Mayer Windows Server 2012 and Hyper-V Replica by Kevin Remde Right-size IT Budgets with “Storage Spaces” by Keith Mayer Yes, there is an “I” in Team – the NIC Team! by Kevin Remde Hyper-V Network Virtualization by Keith Mayer Get Happy over the FREE Hyper-V Server 2012 by Matt Hester Simplified BranchCache in Windows Server 2012 by Brian Lewis Getting Snippy with PowerShell 3.0 by Matt Hester How to Get Unbelievable Data Deduplication Results by Chris Henley of Veeam Simplified VDI Configuration and Management by Brian Lewis Taming the New Task Manager by Keith Mayer Improve File Server Resiliency with ReFS by Keith Mayer Simplified DirectAccess by Sumeeth Evans SMB 3.0 – The Glue in Windows Server 2012 by Matt Hester Continuously Available File Shares by Steven Murawski of Edgenet Server Core - Improved Taste, Less Filling, More Uptime by Keith Mayer Extend Your Hyper-V Virtual Switch by Kevin Remde To NIC or to Not NIC Hardware Requirements by Brian Lewis Simplified Licensing and Server Versions by Kevin Remde I Think, Therefore IPAM! by Kevin Remde Windows Server 2012 and the RSATs by Kevin Remde Top 3 New Tricks in the Active Directory Admin Center by Keith Mayer Dynamic Access Control by Brian Lewis Get the Gremlin out of Your Active Directory Virtualized Infrastructure by Matt Hester Scoping out the New DHCP Failover by Keith Mayer Gone in 8 Seconds – The New CHKDSK by Matt Hester New Remote Desktop Services (RDS) by Brian Lewis No Better Time Than Now to Choose Hyper-V by Matt Hester What’s Next? Keep Learning! Want to learn more about Windows Server 2012 and Hyper-V Server 2012?  Want to prepare for certification on Windows Server 2012? Do It: Join our Windows Server 2012 “Early Experts” Challenge online peer study group for FREE at http://earlyexperts.net. You’ll get FREE access to video-based lectures, structured study materials and hands-on lab activities to help you study and prepare!  Along the way, you’ll be part of an IT Pro community of over 1,000+ IT Pros that are all helping each other learn Windows Server 2012! What are Your Favorite Features? Do you have a Favorite Feature in Windows Server 2012 that we missed in our list above?  Feel free to share your favorites in the comments below! Keith Build Your Lab! Download Windows Server 2012 Don’t Have a Lab? Build Your Lab in the Cloud with Windows Azure Virtual Machines Want to Get Certified? Join our Windows Server 2012 "Early Experts" Study Group

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  • How do I average the difference between specific values in TSQL?

    - by jvenema
    Hey folks, sorry this is a bit of a longer question... I have a table with the following columns: [ChatID] [User] [LogID] [CreatedOn] [Text] What I need to find is the average response time for a given user id, to another specific user id. So, if my data looks like: [1] [john] [20] [1/1/11 3:00:00] [Hello] [1] [john] [21] [1/1/11 3:00:23] [Anyone there?] [1] [susan] [22] [1/1/11 3:00:43] [Hello!] [1] [susan] [23] [1/1/11 3:00:53] [What's up?] [1] [john] [24] [1/1/11 3:01:02] [Not much] [1] [susan] [25] [1/1/11 3:01:08] [Cool] ...then I need to see that Susan has an average response time of (20 + 6) / 2 = 13 seconds to John, and John has an average of (9 / 1) = 9 seconds to Susan. I'm not even sure this can be done in set-based logic, but if anyone has any ideas, they'd be much appreciated!

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  • Working with a database

    - by Susan
    I have an existing program for a bank account, the user can create an account then withdraw or deposit money to the account. As a transaction is processed, labels are being used to show the current information such as (Beginning Balance, Transaction Fee, Withdrawal Amount, and Ending Balance). Now, I need to be able to keep track of the transactions being processed in a SQL database. I know how to add a database to the project and then set it up to display all of the data from the table in a gridview. This is assuming that I manually entered data into the table; however, the table should be blank when the program starts and as I process transactions, then the data should be written to the table. How do I bind my existing fields (labels) to a datatable and send the text to the table. The book that I have is all related to just displaying the data that is already in the table and I have been through a couple of tutorial online and they seem to be about the same subject. I haven't found anything on how to do what I am looking for. Can someone help me out here. I don't mind references to other websites that might have the answer. Thanks, Susan

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  • Can I import another users calendar into Outlook 2010 and maintain his color highlights?

    - by Matthias Mayer
    I am importing a colleagues complete Outlook 2010 calendar (sent by mail as .ics file). However, all coloring is lost: categories, automatically formatted entries, etc. are not visualized in my colleagues colors - just in a non-distinguishable standard office style. Is there a way that my colleague also sends me his color preferences, ie. to maintain his individual coloring in my view? Thanks in advance! Matthias

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  • Lightest Linux Desktop supporting Firefox/graphic browser

    - by Susan Mayer
    I am on Windows and I have a remote server with Ubuntu 10.10. I want to use Firefox or other graphic browser on that remote server. The problem is, the server's memory is only 512MB, so I can install larger desktop environment. I used to use XFCE and NoMachine NX, but they consume too much memory on that Ubuntu server. The only thing I want to use is a graphic browser (for example firefox) on that server. Nothing else. Do you have any good suggestions? Thanks a lot!

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  • How long do DDoS attacks last?

    - by Susan
    I realize the answer to this question will vary, which is why I'm asking it. If you've suffered a DDoS attack before - how long did it last? Just trying to get an idea of how long we'll have to continue to wage this battle (going on a couple weeks now).

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  • Win XP / Win 7 Compatability

    - by Susan
    I run Win XP and my mother is getting a new PC with Win 7. We go remote quite frequently using Windows Messenger Remote Assistance. Will we still be able to do this when she gets the new PC?

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  • Parse an XML file

    - by [email protected]
    The following code shows a simple method of parsing through an XML file/string. We can get the parent name, child name, attributes etc from the XML. The namespace System.Xml would be the only additional namespace that we would be using. string myXMl = "<Employees>" + "<Employee ID='1' Name='John Mayer'" + "Address='12th Street'" + "City='New York' Zip='10004'>" + "</Employee>" + "</Employees>"; XmlDocument xDoc = new XmlDocument();xDoc.LoadXml(myXMl);XmlNodeList xNodeList = xDoc.SelectNodes("Employees/child::node()");foreach (XmlNode xNode in xNodeList){ if (xNode.Name == "Employee") { string ID = xNode.Attributes["ID"].Value; //Outputs: 1 string Name = xNode.Attributes["Name"].Value;//Outputs: John Mayer string Address = xNode.Attributes["Address"].Value;//Outputs: 12th Street string City = xNode.Attributes["City"].Value;//Outputs: New York string Zip = xNode.Attributes["Zip"].Value; //Outputs: 10004 }} Lets look at another XML: string myXMl = "<root>" + "<parent1>..some data</parent1>" + "<parent2>" + "<Child1 id='1' name='Adam'>data1</Child1>" + "<Child2 id='2' name='Stanley'>data2</Child2>" + "</parent2>" + "</root>"; XmlDocument xDoc = new XmlDocument();xDoc.LoadXml(myXMl);XmlNodeList xNodeList = xDoc.SelectNodes("root/child::node()"); //Traverse the entire XML nodes.foreach (XmlNode xNode in xNodeList) { //Looks for any particular nodes if (xNode.Name == "parent1") { //some traversing.... } if (xNode.Name == "parent2") { //If the parent node has child nodes then //traverse the child nodes foreach (XmlNode xNode1 in xNode.ChildNodes) { string childNodeName = xNode1.Name; //Ouputs: Child1 string childNodeData = xNode1.InnerText; //Outputs: data1 //Loop through each attribute of the child nodes foreach (XmlAttribute xAtt in xNode1.Attributes) { string attrName = xAtt.Name; //Outputs: id string attrValue = xAtt.Value; //Outputs: 1 } } }}  

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  • tar a directory and only include certain file types

    - by Susan
    Following the instructions here: http://linuxdevcenter.com/pub/a/linux/lpt/20_08.html I'm aiming to tar up a directory but only want to include .php files from that directory. Given the aforementioned instructions, I've come up with this command. It creates a file called IncludeTheseFiles which lists all the .php files, then the tar is supposed to do it's job only using the files listed in IncludeTheseFiles find myProjectDirectory -type f -print | \ egrep '(\.[php]|[Mm]akefile)$' > IncludeTheseFiles tar cvf myProjectTarName -I IncludeTheseFiles However, when I run this it doesn't like the I include option? tar: invalid option -- I

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  • How to turn on SMTP relaying? Getting error: "SMTP Error: The following recipients failed [address]"

    - by Susan
    Attempting to configure some software on our server to send email via SMTP. When testing it, get this SMTP Error: SMTP Error: The following recipients failed [address]" Based on my research and a reply from the software's support team this error usually occurs because relaying is not allowed on the SMTP server from the IP address of the web server. The solution is to "Go to the configuration of your SMTP server and turn relaying on for your IP address" My question is -- how do I do this? Is this done from WHM? cPanel?

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  • Permission / owner issue with pushing to git when editing directly from repo?

    - by Susan
    I have a web interface for deploying scripts from our repo at Github to our live server. The web interface just triggers a bash script with some git commands. If I make changes locally, push to repo, then run the bash script to pull from repo to live it works fine. However, if I make changes directly in the repo (via Github's web interface), I'm running into fast-forward / lock issues. These are the steps I'm taking: Make a change on a file at Github repo Run a bash script (as apache) via web from live server that attempts a git push / pull. Get these problems: PUSH To [email protected]:name/name.git ! [rejected] master - master (non-fast-forward) error: failed to push some refs to '[email protected]:name/name.git' To prevent you from losing history, non-fast-forward updates were rejected Merge the remote changes before pushing again. See the 'Note about fast-forwards' section of 'git push --help' for details. PULL From github.com:name/name branch master - FETCH_HEAD error: unable to unlink old 'includes/footer.inc' (Permission denied) Updating 8f6d922..d1eba9d Updating 8f6d922..d1eba9d SSH in as root, attempt a push / pull and it works fine. Ideas on why would this method not work from apache?

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  • New computer WindowsXP on Server 2003 network will not connect to file server

    - by Susan Otto
    When we try to connect to our file server with the new computer, it denies access. The computer is joined to the domain and I can see it on active directory. We need to connect to the file server for printing and terminal services. We have had this happen before and found that reinstalling Windows will fix the problem but I would like a speedier solution. any help would be appreciated.

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  • Dual-monitor Windows XP, monitors are "identified wrong"

    - by Susan
    Trying to use a dual-monitor desktop system with Windows XP.... 1 graphics card... with digital/analog outputs. Picking: Desktop - Properties - Settings - Identify It shows "2" as my left monitor... and "1" as my right. How do I switch them around? Here's what I've tried so far: Switch the cables (I can't. I need the digital cable on the better monitor.) Switch the monitors (I can't. One has a few dead pixels.) Drag the 1+2 graphics around (That doesn't change the IDENTIFY numbers.) Pick "use as primary" or "extend" (That doesn't change the IDENTIFY numbers.) Anything else I can try? What exactly controls/switches the "IDENTIFY numbers" around? I know it can be done. For weeks I ran this exact set-up... with the CORRECT numbers appearing on the monitors.... then just recently... after a few reboots... they now appear "switched around".

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  • Compare 2 sets of data in Excel and returning a value when multiple columns match

    - by Susan C
    I have a data set for employees that contains name and 3 attributes (job function, job grade and location). I then have a data set for open positions that contains the requisition number and 3 attributes (job function, job grade and job location). For every employee, i would like the three attributes associated with them compared to the same three attributes of the open positions and have the cooresponding requisition numbers displayed for each employee where there is a match.

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  • Long Press in JavaScript?

    - by Randy Mayer
    Hi, Is it possible to implement "long press" in JavaScript (or jQuery)? How? HTML <a href="" title="">Long press</a> JavaScript $("a").mouseup(function(){ // Clear timeout return false; }).mousedown(function(){ // Set timeout return false; }); Thank you!

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  • HTML encode UTF-8 string gets mangled into latin1

    - by Ken Mayer
    I'm parsing my nginx logs, and I want to discover some details from the HTTP_REFERER string, for example, the query string used to find the web site. One user typed in "México" which gets encoded in the log as "query=M%E9xico". Passing this through Rack::Utils.parse_query('query=M%E9xico') you get a hash, {"query" = "M?xico"} When you to stuff "M?exico" into Postgres (but not the more forgiving SQLite), it pukes because the string isn't proper UTF-8. Looking at http://rack.rubyforge.org/doc/Rack/Utils.html#M000324, unescape is packing a hex string. How can I convert the string back to UTF-8, or can I get parse_query to return UTF-8 in the first place.

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  • JSON Beautifier

    - by Randy Mayer
    Hi, do you know any "JSON Beautifier"? Thanks! From {"name":"Steve","surname":"Jobs","company":"Apple"} To { "name" : "Steve", "surname" : "Jobs", "company" : "Apple" }

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  • Zend Framework and UTF-8 characters (æøå)

    - by Randy Mayer
    Hi, I use Zend Framework and I have problem with JSON and UTF-8. Output \u00c3\u00ad\u00c4\u008d Ã­Ä I use... JavaScript (jQuery) contentType : "application/json; charset=utf-8", dataType : "json" Zend Framework $view->setEncoding('UTF-8'); $view->headMeta()->appendHttpEquiv('Content-Type', 'text/html;charset=utf-8'); header('Content-Type: application/json; charset=utf-8'); utf8_encode(); Zend_Json::encode Database resources.db.params.charset = "utf8" resources.db.params.driver_options.1002 = "SET NAMES utf8" resources.db.isDefaultTableAdapter = true Collation utf8_unicode_ci Type MyISAM Server PHP Version 5.2.6 What did I do wrong? Thank you for your reply!

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  • Zend Framework And Parameters

    - by Randy Mayer
    Hi! Is there any way how to view all sent parameters if I do not know their name? For example, I sent these parameters: id = 1 (GET) name = 'John' (GET) surname = 'Smith' (GET) Example $request = $this->getRequest(); echo $request->getParam[0]; // Will output 1 echo $request->getParam[1]; // Will output 'John' echo $request->getParam[2]; // Will output 'Smith' Thank you! (I'm not a native English speaker.)

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