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  • Acceptable name for extension method that accept null

    - by GaryX
    Hi, I really don't like to call String.IsNullOrEmpty(str). That makes me need to think "String" class first, then call it on the object "str". I like to call str.IsNullOrEmpty(), which doesn't need me to think "String" class. The problem is that extension method accept null instance to call on, which is not the usual case when you call a normal method. My question what do you think will be a convetion name for extension methods that accept null? For string, that is easy, "IsNullOrEmpty()" (anything that contains "IsNull") sounds good for me. For others, like GetDisplayName(), do we name it as "NullOrGetDisplayName" ?

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  • Keyup attribute 'name' change not working

    - by dclowd9901
    Hey guys, I've got what I imagine is a simple question, but for some reason, I can't get it working right. Expected Behavior: I type characters into a field, and, through a function, those characters are translated into the value of the name HTML attribute. Actual Behavior: Reflected in Firebug, the value doesn't change or update. The Code: $('input').live('keyup', function() { var name_value = $(this).val().toLowerCase(); $(this).attr('name', name_value); }); Just a side note: I'm using .live() because the element can be cloned, and those clones need to also be able to take on the properties of this .keyup event. Any ideas?

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  • jQuery slider - set background color to show desired range

    - by David
    Howdy, I'm setting up a Filament Group jQuery UI slider and using it in a gradebook. We need to allow teachers to set a desired background range (to show the desirable values vs. the actual value for a given grade). I'm hoping to set a shaded area (as shown in this picture) that would indicate to people viewing the slider which values are desirable. If the handle is within the desired ranges, then the value is satisfactory. If the handle is out of the background shaded range, then some changes may need to happen. Any suggestions on how to accomplish this? Based on what I've experimented with using Firebug, it looks like a <div class="ui-slider"> is setup, but the values inside of it don't seem to allow setting background-colors (only the div allows for that). Thanks for your help.

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  • Fail to resolve a name when calling ConnMgrEstablishConnectionSync()

    - by Rodriguez
    Hi Guys, I'm trying to setup a GPRS connection with ConnMgrEstablishConnectionSync(), so far so good, the connection is established and if I try to connect to an IP address, everything works fine. Alas, when I try to resolve a name: ConnMgrEstablishConnectionSync(); ... gethostbyname("www.google.com"); The result is always an error: 0x00002af9 (host not found). Therefor I'm not able to resolve any name, but if I try to open a browser, the browser is able to resolve everything. Am I doing something wrong? Thanx for your help.

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  • Change row table color with javaScript

    - by Slim Mils
    I try to change the background of rows in my table with javaScript but it's not working. This is my code. However I tried to create my table with html and it's work. P.S : I want to use webkit. Help please. Code : var table = document.getElementById("tab"); var rowCount = table.rows.length; for(var i=0;i<6;i++) { row = table.insertRow(rowCount); row.id = "row"+i; cell1 = row.insertCell(0); var content = document.createElement("output"); content.innerHTML = i ; cell1.appendChild(content); rowCount++; } $(document).ready(function(){ $('td').each(function(i) { $('#tab').on('click', '#row'+i, function(){ document.getElementById("row"+i).style.background = 'white'; //alert(i); }); }); //example2 $('#td1').on('click', function(){ document.getElementById("td1").style.background = 'white'; }); });

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  • Enter custom file name to be read ?

    - by ZaZu
    Hello, I want to allow users to type the name of any .txt file to be read/written. This is my code : printf("Enter .txt file name\n"); scanf("%s",&fname); FILE *inputf; inputf=fopen(&fname,"w"); Problem is this method does not work (having &fname) as a parameter. I can imagine its because C needs "filename.txt" for it work ... even if I enter for example : "custom.txt", the program returns an error of "Storage block not big enough for this operation" What is the correct method to accomplish this ? Im using C and im pretty much using basic commands .. (not too advanced) Thanks alot !!!

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  • get data from database by manually giving the server name

    - by syedsaleemss
    Im using c# .net windows application form. I have created many databases with many tables in each. I have a datagrid view and a display button. when i click on this button, the system must prompt me to enter the server name and after typing the server name, it should display all the databases related to that server in some combo box. and again if i select a database it should show all the tables present in that database into a combobox. and if i select a table, it should prompt an option to select only required columns into the datagridview. How can i do this?

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  • Obj-C: Creating an object with a String name

    - by FnGreg7
    Hey all. I know this sounds simple, but I can't find a way to do it. I have a method in Obj-C that takes in a NSString and then should create a new class with the String as its title. -(DataModel *)createDataModel:(NSString *)dataModel_name { DataModel *[initWithString:dataModel_name] = [[DataModel alloc] init]; } I know I have some problems in this. For starters, I don't know how to define a return on an object whose name could change. Second, I know this doesn't compile considering the initWithString method is wrong. I just don't know what to do or what method to use so that I can create this DataModel object with the specified name...

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  • I'm looking for a blend mode that gives 'realistic' paint colors. (Subtractive)

    - by almosnow
    I've been looking for a blend mode to (well ...) blend two RGB pixels in order to build colors in the samw way that a painter builds them (i.e: subtractive). Here are quick examples of the type of results that I'm expecting: CYAN + MAGENTA = BLUE CYAN + YELLOW = GREEN MAGENTA + YELLOW = RED RED + YELLOW = ORANGE RED + BLUE = PURPLE YELLOW + BLUE = GREEN I'm looking for a formula, like: dest_red = first_red + second_red; dest_green = first_green + second_green; dest_blue = first_blue + second_blue; I've tried with the commonly used 'multiply' formula but it doesn't work; I've tried with custom made formulas but I'm still not able to 'crack' how it should work. And I know already a lot of color theory so please refrain from answers like: Check this link: http://the_difference_betweeen_additive_and_subtractive_lightning.html

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  • Get machine name for remote computer on local network

    - by durza
    Hi, I've 2 machines with names Comp1, Comp2. There is a DNS name for them, that mask them as one, let say DNSName. I get IP addresses for both machines via Dns.GetHostEntry("DNSName"). But when I try get Dns.GetHostEntry(ipAddress) entry.HostName always contains DNSName. I found some way to get name through WMI. But our policy doesn't allow WMI on remote machines. I can do parsing of nbstat -a output, but I would like to do some clean aproach to this. Is there some way?

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  • How to set the background color of new activity after clicking tabs

    - by androidProgrammer
    Hi, I am switching activities on tab clicks and successful at this. But, in one of my Activity class I am doing the following: ` public void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.main); } main.xml has the following: android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#BDBDBD" > I want to change the background of this layout only and I want tabs to their as it is. But with the currentandroid:layout_height="fill_parent"in main.xml my background is overwriting the tabs which means I am unable to see tabs. and If I makeandroid:layout_height="wrap_content"` I cannot see any change taking and tabs are still their. Please help.

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  • add objects with different name through for loop

    - by Gandalf StormCrow
    What is the best way to do the following: List<MyObject> list = new LinkedList<MyObject>(); for(int i=0; i<30;i++) { MyObject o1 = new MyObject(); list.add(o1); } But the things is I don't wanna create objects with same name, I wanna create them with different name like o1,o2,o3,o4,o5,o6,o7,o8,o9,o10 and I wanna add each to the list. What is the best way to do this ?

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  • Digester: Extracting node name

    - by CaptainHastings
    Hi Guys, Is it possible to extract the node name using apache digester? So, if the xml looks like <furniture> <sofa> ..... </sofa> <coffeeTable> ..... </coffeeTable> </furniture> is it possible to extract the node name "sofa", "coffeeTable"? I know it is possible using xpath but is it possible using digester? Cheers

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  • C# - can you name a matrix with the contents of a string

    - by RHodgett
    Basically I have x amount of matrices I need to establish of y by y size. I was hoping to name the matrices: matrixnumber1 matrixnumber2..matrixnumbern I cannot use an array as its matrices I have to form. Is it possible to use a string to name a string (or a matrix in this case)? Thank you in advance for any help on this! for (int i = 1; i <= numberofmatricesrequired; i++) { string number = Convert.ToString(i); Matrix (matrixnumber+number) = new Matrix(matrixsize, matrixsize); }

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  • Java UIManager - What's the name of the area around a button

    - by soulTower
    I'm using the Windows XP look and feel. On a panel containing a button there is a rectangular area around a button that looks like the area that a classic button would take up. That area is not adhering to the color of my panel. For example I'm setting my panel to blue but the area around the button is still white. What is the name of that area. I've tried button.shadow but that's not it. Thanks ST

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  • Social Business Forum Milano: Day 1

    - by me
    div.c50 {font-family: Helvetica;} div.c49 {position: relative; height: 0px; overflow: hidden;} span.c48 {color: #333333; font-size: 14px; line-height: 18px;} div.c47 {background-color: #ffffff; border-left: 1px solid rgba(0, 0, 0, 0.098); border-right: 1px solid rgba(0, 0, 0, 0.098); background-clip: padding-box;} div.c46 {color: #666666; font-family: arial, helvetica, sans-serif; font-weight: normal} span.c45 {line-height: 14px;} div.c44 {border-width: 0px; font-family: arial, helvetica, sans-serif; margin: 0px; outline-width: 0px; padding: 0px 0px 10px; vertical-align: baseline} div.c43 {border-width: 0px; margin: 0px; outline-width: 0px; padding: 0px 0px 10px; vertical-align: baseline;} p.c42 {color: #666666; font-family: arial, helvetica, sans-serif} span.c41 {line-height: 14px; font-size: 11px;} h2.c40 {font-family: arial, helvetica, sans-serif} p.c39 {font-family: arial, helvetica, sans-serif} span.c38 {font-family: arial, helvetica, sans-serif; font-size: 80%; font-weight: bold} div.c37 {color: #999999; font-size: 14px; font-weight: normal; line-height: 18px} div.c36 {background-clip: padding-box; background-color: #ffffff; border-bottom: 1px solid #e8e8e8; border-left: 1px solid rgba(0, 0, 0, 0.098); border-right: 1px solid rgba(0, 0, 0, 0.098); cursor: pointer; margin-left: 58px; min-height: 51px; padding: 9px 12px; position: relative; z-index: auto} div.c35 {background-clip: padding-box; background-color: #ffffff; border-bottom: 1px solid #e8e8e8; border-left: 1px solid rgba(0, 0, 0, 0.098); border-right: 1px solid rgba(0, 0, 0, 0.098); cursor: pointer; margin-left: 58px; min-height: 51px; padding: 9px 12px; position: relative} div.c34 {overflow: hidden; font-size: 12px; padding-top: 1px;} ul.c33 {padding: 0px; margin: 0px; list-style-type: none; opacity: 0;} li.c32 {display: inline;} a.c31 {color: #298500; text-decoration: none; outline-width: 0px; font-size: 12px; margin-left: 8px;} a.c30 {color: #999999; text-decoration: none; outline-width: 0px; font-size: 12px; float: left; margin-right: 2px;} strong.c29 {font-weight: normal; color: #298500;} span.c28 {color: #999999;} div.c27 {font-family: arial, helvetica, sans-serif; margin: 0px; word-wrap: break-word} span.c26 {border-width: 0px; width: 48px; height: 48px; border-radius: 5px 5px 5px 5px; position: absolute; top: 12px; left: 12px;} small.c25 {font-size: 12px; color: #bbbbbb; position: absolute; top: 9px; right: 12px; float: right; margin-top: 1px;} a.c24 {color: #999999; text-decoration: none; outline-width: 0px; font-size: 12px;} h3.c23 {font-family: arial, helvetica, sans-serif} span.c22 {font-family: arial, helvetica, sans-serif} div.c21 {display: inline ! important; font-weight: normal} span.c20 {font-family: arial, helvetica, sans-serif; font-size: 80%} a.c19 {font-weight: normal;} span.c18 {font-weight: normal;} div.c17 {font-weight: normal;} div.c16 {margin: 0px; word-wrap: break-word;} a.c15 {color: #298500; text-decoration: none; outline-width: 0px;} strong.c14 {font-weight: normal; color: inherit;} span.c13 {color: #7eb566; text-decoration: none} span.c12 {color: #333333; font-family: arial, helvetica, sans-serif; font-size: 14px; line-height: 18px} a.c11 {color: #999999; text-decoration: none; outline-width: 0px;} span.c10 {font-size: 12px; color: #999999; direction: ltr; unicode-bidi: embed;} strong.c9 {font-weight: normal;} span.c8 {color: #bbbbbb; text-decoration: none} strong.c7 {font-weight: bold; color: #333333;} div.c6 {font-family: arial, helvetica, sans-serif; font-weight: normal} div.c5 {font-family: arial, helvetica, sans-serif; font-size: 80%; font-weight: normal} p.c4 {font-family: arial, helvetica, sans-serif; font-size: 80%; font-weight: normal} h3.c3 {font-family: arial, helvetica, sans-serif; font-weight: bold} span.c2 {font-size: 80%} span.c1 {font-family: arial,helvetica,sans-serif;} Here are my impressions of the first day of the Social Business Forum in Milano A dialogue on Social Business Manifesto - Emanuele Scotti, Rosario Sica The presentation was focusing on Thesis and Anti-Thesis around Social Business My favorite one is: Peter H. Reiser ?@peterreiser social business manifesto theses #2: organizations are conversations - hello Oracle Social Network #sbf12 Here are the Thesis (auto-translated from italian to english) From Stress to Success - Pragmatic pathways for Social Business - John Hagel John Hagel talked about challenges of deploying new social technologies. Below are some key points participant tweeted during the session. 6hRhiannon Hughes ?@Rhi_Hughes Favourite quote this morning 'We need to strengthen the champions & neutralise the enemies' John Hagel. Not a hard task at all #sbf12 Expand Reply Retweet Favorite 8hElena Torresani ?@ElenaTorresani Minimize the power of the enemies of change. Maximize the power of the champions - John Hagel #sbf12 Expand Reply Retweet Favorite 8hGaetano Mazzanti ?@mgaewsj John Hagel change: minimize the power of the enemies #sbf12 Expand Reply Retweet Favorite 8hGaetano Mazzanti ?@mgaewsj John Hagel social software as band-aid for poor leadtime/waste management? mmm #sbf12 Expand Reply Retweet Favorite 8hElena Torresani ?@ElenaTorresani "information is power. We need access to information to get power"John Hagel, Deloitte &Touche #sbf12http://instagr.am/p/LcjgFqMXrf/ View photo Reply Retweet Favorite 8hItalo Marconi ?@italomarconi Information is power and Knowledge is subversive. John Hagel#sbf12 Expand Reply Retweet Favorite 8hdanielce ?@danielce #sbf12 john Hagel: innovation is not rational. from Milano, Milano Reply Retweet Favorite 8hGaetano Mazzanti ?@mgaewsj John Hagel: change is a political (not rational) process #sbf12 Expand Reply Retweet Favorite Enterprise gamification to drive engagement - Ray Wang Ray Wang did an excellent speech around engagement strategies and gamification More details can be found on the Harvard Business Review blog Panel Discussion: Does technology matter? Understanding how software enables or prevents participation Christian Finn, Ram Menon, Mike Gotta, moderated by Paolo Calderari Below are the highlights of the panel discussions as live tweets: 2hPeter H. Reiser ?@peterreiser @cfinn Q: social silos: mega trend social suites - do we create social silos + apps silos + org silos ... #sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser @cfinn A: Social will be less siloed - more integrated into application design. Analyatics is key to make intelligent decisions #sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser @MikeGotta - A: its more social be design then social by layer - Better work experience using social design. #sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser Ram Menon: A: Social + Mobile + consumeration is coming together#sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser Q: What is the evolution for social business solution in the next 4-5 years? #sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser @cfinn Adoption: A: User experience is king - no training needed - We let you participate into a conversation via mobile and email#sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser @MikeGotta A:Adoption - how can we measure quality? Literacy - Are people get confident to talk to a invisible audience ? #sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser Ram Meno: A:Adoption - What should I measure ? Depend on business goal you want to active? #sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser Q: How can technology facilitate adoption #sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser #sbf12 @cfinn @mgotta Ram Menon at panel discussion about social technology @oraclewebcenter http://pic.twitter.com/Pquz73jO View photo Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser Ram Menon: 100% of data is in a system somewhere. 100% of collective intelligence is with people. Social System bridge both worlds Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser #sbf12 @MikeGotta Adoption is specific to the culture of the company Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser @cfinn - drive adoption is important @MikeGotta - activity stream + watch list is most important feature in a social system #sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser @MikeGotta Why just adoption? email as 100% adoption? #sbf12 Expand Reply Delete Favorite 2hPeter H. Reiser ?@peterreiser @MikeGotta Ram Menon respond: there is only 1 questions to ask: What is the adoption? #sbf12 @socialadoption you like this ? #sbf12 Expand Reply Delete Favorite 3hPeter H. Reiser ?@peterreiser @MikeGotta - just replacing old technology (e.g. email) with new technology does not help. we need to change model/attitude #sbf12 Expand Reply Delete Favorite 3hPeter H. Reiser ?@peterreiser Ram Menon: CEO mandated to replace 6500 email aliases with Social Networking Software #sbf12 Expand Reply Delete Favorite 3hPeter H. Reiser ?@peterreiser @MikeGotta A: How to bring interface together #sbf12 . Going from point tools to platform, UI, Architecture + Eco-system is important Expand Reply Delete Favorite 3hPeter H. Reiser ?@peterreiser Q: How is technology important in Social Business #sbf12 A:@cfinn - technology is enabler , user experience -easy of use is important Expand Reply Delete Favorite 3hPeter H. Reiser ?@peterreiser @cfinn particiapte in panel "Does technology matter? Understanding how software enables or prevents participation" #sbf #webcenter

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