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• What JavaScript table widgets you can recommend? [2]

  - by sdespolit

  As so far i've "found" Yahoo UI library and it fully conforms to my requirements. Also there is jqGrid that i'm using right now. If there are any alternatives? UPDATE: Please suggest libraries and don't seek for matching all the requirements listed below. [i'll check it for myself] My reqs are: rows adding, deletinig rows reoder (optionally with drag and drop) rows selection inline editing json data over xhr (optional) simple integration with backbone.js disclaimer: there was almost the same question 2 years ago

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• Unit Testing - not testable code converted to testable code

  - by imak

  I have read so many places is that if your code is not test-able that mean code is not well written. So that makes me start writing a code that is test-able and to start using some unit testing framework. With this though I start looking for some example with piece of code that is not testable and gradually converted to a testable code. I find tons of examples on unit testing but if someone can provide an example like above it probably can jump start things for me. TIA

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• Proper html markup of table tags?

  - by Gazow

  kind of a silly question, but ive been seeing things such as tbody and thead/tfood tags in other peoples tables are these required even if they're empty for good markup? or can i just leave them out? thanks

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• Lining up content in divs without table cells

  - by Mike

  Hi, I have two rows of links like: Link 1 Link 2 Link 3 Link 4 Link 5 Link 6 Link 7 LInk 8 I need the top four links to align with the top bottom links regardless of how many characters are in the link. For example, This is link 1 This is link 2 Link 3 L4 LInk 1 Link 2 that is longer Link 3 L4 I can do this with tables and td cells but how can this be accomplished just using divs? Thanks.

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• Oracle Sql: how to substract rows from one table from another only once

  - by slyder07

  I'm working for a university project, and I have the following question: I have 2 tables in a Oracle DB... I need to select those rows from table1, which are not included in table2... But the main problem is that I need to exclude that rows from table2 wich was selected once... For example: Table1 Table2 ResultTable id | Number | Letter id | Number | Letter id | Number | Letter _____________________ _____________________ _____________________ 1 4 S 1 6 G 2 2 P 2 2 P 2 8 B 3 5 B 3 5 B 3 4 S 4 4 S 4 4 S 4 1 A 6 2 P 5 1 A 5 1 H 6 2 P 6 2 X So, how you see it, if one row from Table1 has a "twin" in Table2, they both are excluded. Hope I was explicit enough. Sorry for my bad English. Thanks.

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• How to train yourself to avoid writing “clever” code?

  - by Dan Abramov

  Do you know that feeling when you just need to show off that new trick with Expressions or generalize three different procedures? This does not have to be on Architecture Astronaut scale and in fact may be helpful but I can't help but notice someone else would implement the same class or package in a more clear, straightforward (and sometimes boring) manner. I noticed I often design programs by oversolving the problem, sometimes deliberately and sometimes out of boredom. In either case, I usually honestly believe my solution is crystal clear and elegant, until I see evidence to the contrary but it's usually too late. There is also a part of me that prefers undocumented assumptions to code duplication, and cleverness to simplicity. What can I do to resist the urge to write “cleverish” code and when should the bell ring that I am Doing It Wrong? The problem is getting even more pushing as I'm now working with a team of experienced developers, and sometimes my attempts at writing smart code seem foolish even to myself after time dispels the illusion of elegance.

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• Popup Details for a Table Record

  - by shay.shmeltzer

  This one started as an OTN how-to question that seemed like something that should work automatically - turns out you need a couple of small tweaks to get it working. The idea is to have a table on a page showing multiple records, you can click any row in the table - and get a pop-up window that shows more data about that row. At first I thought I'll just need to drag the same view twice to the page - once as a table and then as a form in a pop-up. But then the Form didn't reflect the new row that got selected in the table - you'll always see the first row you selected. Adding a Partial Page Rendering between the table and the pop-up didn't do the trick either. Then I realized that the content delivery attribute of the pop-up was set to lazy, when I switched it to immediate - everything worked. Here is a little demo showing the whole development process: Note that the content delivery method attribute is also something you might want to check if you see your tables being refreshed too often when you scroll through records for example.

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• Are there code reviews in opensource projects? If so, what tools are used to do this?

  - by monksy

  I know there is a big push for code reviews in commercial development. However, are code reviews used in open source software or is based on trust? If so, then how are they performed? [Is it a delayed commit, "a pre commit environment", is there a tool that allows for the patch to be sent to another dev]? Are there any projects that use code reviews? From my understanding the linux kernel is mostly based around trust of the commitor. MySQL was based on the main author's approval and the performance impact.

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• excel pivot table : is it possible to display details on single click of cell in same sheet

  - by bala

  I have an excel pivot table the pivot table contains rows like Status-count open-10 closed-100 in progress-50 Now, on click of the count cells, is it possible to display the relevant details in teh same sheet? or is it possible to write a macro to popup a messagebox with the row information?

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• Being prepared for a code review as a developer?

  - by Karthik Sreenivasan

  I am looking for some ideas here. I read the article How should code reviews be Carried Out and Code Reviews, what are the advantages? which were very informative but I still need more clarity on the question below. My Question is, Being the target developer, can you suggest some best practices a developer can incorporate before his code is going get reviewed. Currently I practice the following methods PPT for a logical flow Detailed comments. Issue: Even though I have implemented the above practices, they do not help on the review. The problem I faced is, when certain logic is referred, I keep searching for the implementation and the flow and too much time is wasted in the process and I get on people’s nerve. I think a lot of developers would be going through what I am going through as well.

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• Should companies require developers to credit code they didn't write?

  - by sunpech

  In academia, it's considered cheating if a student copies code/work from someone/somewhere else without giving credit, and tries to pass it off as his/her own. Should companies make it a requirement for developers to properly credit all non-trivial code and work that they did not produce themselves? Is it useful to do so, or is it simply overkill? I understand there are various free licenses out there, but if I find stuff I like and actually use, I really feel compelled to give credit via comment in code even if it's not required by the license (or lack thereof one).

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• Azure Table Storage Creation using Nov 2009 CTP

  - by kaleidoscope

  The new SDK introduces a new class - · The CloudTableClient : This new class enables us to create tables and test for the existence of tables. We need not need use this class for querying table storage, it's   more of an administrative class for dealing with table storage itself.   · Once we have got the account key and the account name from ConfigurationSetting, we can create an instance of the storage credentials and table client classes:   StorageCredentialsAccountAndKey creds = new StorageCredentialsAccountAndKey(accountName, accountKey);     CloudTableClient tableStorage = new CloudTableClient(tableBaseUri, creds);     CustomerContext ctx = new CustomerContext(tableBaseUri, creds);     //where tableBaseUri is the TableStorageEndpoint obtained from ConfigurationSetting Using the table storage class, we can now create a new table (if it doesn't already exist):     if (tableStorage.CreateTableIfNotExist("Customers"))     {        CustomerRow cust = new CustomerRow("AccountsReceivable", "kevin");         cust.FirstName = "Kevin";        cust.LastName = "Hoffman";        ctx.AddObject("Customers", cust);        ctx.SaveChanges();     } For a complete article on this topic please follow this link: http://dotnetaddict.dotnetdevelopersjournal.com/azure_nov09_tablestorage.htm Tinu, O

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• New code base, what experiences/recommendations do you have?

  - by hlovdal

  I will later this year start on a project (embedded hardware, C, small company) where I believe that most (if not all) code will be new. So what experiences do you have to share as advice to starting a new code base? What have you been missing in projects that you have been working on? What has worked really well? What has not worked? Let's limit this question to be about things that relate directly to the code (e.g "banning the use of gets()": in scope, version control: border line, build system: out of scope).

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• How do you cope with ugly code that you wrote?

  - by Ralph

  So your client asks you to write some code, so you do. He then changes the specs on you, as expected, and you diligently implement his new features like a good little lad. Except... the new features kind of conflict with the old features, so now your code is a mess. You really want to go back and fix it, but he keeps requesting new things and every time you finish cleaning something, it winds up a mess again. What do you do? Stop being an OCD maniac and just accept that your code is going to wind up a mess no matter what you do, and just keep tacking on features to this monstrosity? Save the cleaning for version 2?

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• Table Formatting in Excel 2007: How do I remove it?

  - by Mike

  I've used the new Table Formatting option in Excel 2007. Now I can't remove it. I've dragged the little blue square up to the last cell on the top left, but it just won't go any further. In fact it just won't go at all. Clear all doesn't remove it. What does? I want my table back! Thanks Mike

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• Insert line into an existing table in Microsoft Word 2007?

  - by unknown (google)

  This is driving me nuts! Is there a way to quickly insert a line to an existing Word 2007 table? In Word 2003 there was a specific button for this - it was quite easy to splice and dice existing cells in an existing table.

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• Problem with deleting table rows using ctrl+a for row selection

  - by Frank Nimphius

  Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} The following code is commonly shown and documented for how to access the row key of selected table rows in an ADF Faces table configured for multi row selection. public void onRemoveSelectedTableRows(ActionEvent actionEvent) {    RichTable richTable = … get access to your table instance …    CollectionModel cm =(CollectionModel)richTable.getValue();    RowKeySet rowKeySet = (RowKeySet)richTable.getSelectedRowKeys();             for (Object key : rowKeySet) {       richTable.setRowKey(key);       JUCtrlHierNodeBinding rowData = (JUCtrlHierNodeBinding)cm.getRowData();       // do something with rowData e.g.update, print, copy   }    //optional, if you changed data, refresh the table         AdfFacesContext adfFacesContext = AdfFacesContext.getCurrentInstance(); adfFacesContext.addPartialTarget(richTable);   return null; } The code shown above works for 99.5 % of all use cases that deal with multi row selection enabled ADF Faces tables, except for when users use the ctrl+a key to mark all rows for delete. Just to make sure I am clear: if you use ctrl+a to mark rows to perform any other operation on them – like bulk updating all rows for a specific attribute – then this works with the code shown above. Even for bulk row delete, any other mean of row selection (shift+click and multiple ctrl+click) works like a charm and the rows are deleted. So apparently it is the use of ctrl+a that causes the problem when deleting multiple rows of an ADF Faces table. To implement code that works for all table selection use cases, including the one to delete all table rows in one go, you use the code shown below. public void onRemoveSelectedTableRows(ActionEvent actionEvent) {   RichTable richTable = … get access to your table instance …   CollectionModel cm = (CollectionModel)richTable.getValue();   RowKeySet rowKeySet = (RowKeySet)richTable.getSelectedRowKeys();   Object[] rowKeySetArray = rowKeySet.toArray();      for (Object key : rowKeySetArray){               richTable.setRowKey(key);     JUCtrlHierNodeBinding rowData = (JUCtrlHierNodeBinding)cm.getRowData();                              rowData.getRow().remove();   }   AdfFacesContext adfFacesContext = AdfFacesContext.getCurrentInstance();          adfFacesContext.addPartialTarget(richTable); }

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• Good sites for sharing code snippets & pastes that you can share links to?

  - by acidzombie24

  I know there are site tools to check if your webpage is alive, has compression, etc but lets not get into that. What are useful sites to paste code in and to share links to it? The three i know are http://codepad.org/ shows source and runs code online http://www.pastie.org/ share source with syntax highlighting http://jsfiddle.net/ great for JS help or for the occasional test. What else do you know of? One answer per question. I'll let lints and validators slide since you do paste code into them. Mention a weakness if you do know one so others wont be surprised or disappointed.

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• How to examine the speed of your code results?

  - by Goma

  Hi. Whatever was your choice PHP, ASP.NET, Ruby On Rails or even JSP. You know that you can develop a website to give a specific result or to do some tasks in many ways. I mean you can change your code to make it shorter (or for any other reason) but to give the same result. In this case how do you test which code was faster to excute so you choose it to make your website faster? I mean do you have any tools or ideas in how to test the time of execution for your code and compare it with time of execution after you do some edit?

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• Programming *into* a language vs. writing C code in Ruby

  - by bastibe

  Code Complete states that you should aways code into a language as opposed to code in it. By that, they mean Don't limit your programming thinking only to the concepts that are supported automatically by your language. The best programmers think of what they want to do, and then they assess how to accomplish their objectives with the programming tools at their disposal. (chapter 34.4) Doesn't this lead to using one style of programming in every language out there, regardless of the particular strengths and weaknesses of the language at hand? Or, to put the question in a more answerable format: Would you propose that one should try to encode one's problem as neatly as possible with the particulars of one's language, or should you rather search the most elegant solution overall, even if that means that you need to implement possibly awkward constructs that do not exist natively in one's language?

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• Review before or after code commit, which is better?

  - by fifth

  Traditionally we performed code review before commit, I had an argument with my colleague today, who preferred code review after commit. First, here's some background, we got some experienced developers and we also got new hires with almost zero programming practice. we'd like to perform fast and short iterations to release our product. we all team members locate at same site. The advantages of code review before commit I've learned, mentor new hires try to prevent errors, failures, bad designs in early developing cycle learn from others knowledge backup if someone quits But I also got some bad experience, like low efficiency, some changes may be reviewed over days hard to balance speed and quality, especially for newbies some guy felt distrust As to post-review, I just knew little about this, but the most thing I worried about is the risk of losing control, people never review. Any opinions?

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• Highlighting new rows in ADF Table

  - by Sireesha Pinninti

  About This article explains how to hightlight newly inserted rows in an ADF Table without writing any extra java/javascript code.IntroductionSometimes we may wish to give more clarification to the end user by differentiating between newly inserted rows and the existing rows(i.e the rows from DB) in a table by highlighting new rows in different color as in the figure shown below. SolutionWe can achieve the same by giving following EL to inlineStyle property of every column inside af:table: #{row.row.entities[0].entityState == 0?'background-color:#307D7E;':''}ExplanationHere is the explanation for row.row.entities[0].entityState given inside EL which returns the state of the row(i.e, New, Modified, Unmodified, Initialized etc.)row - Refers to a tree node binding(instance of FacesCtrlHierNodeBinding) at runtimerow.row - Refers to an instance of row that the tree node is based onrow.row.entities[0] - Gets the Entity row at zeroth index. In most of the cases, the table will be based on single entity. If your table is based on multiple entities then the index needs to be given accordingly.row.row.entities[0].entityState - Gets Entity Object's current Entity-state in the transaction.(0 - New, Modified - 2, Unmodified - 1, Initialized - -1,  etc.,)

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• Code Golf: Shortest Turing-complete interpreter.

  - by ilya n.

  I've just tried to create the smallest possible language interpreter. Would you like to join and try? Rules of the game: You should specify a programming language you're interpreting. If it's a language you invented, it should come with a list of commands in the comments. Your code should start with example program and data assigned to your code and data variables. Your code should end with output of your result. It's preferable that there are debug statements at every intermediate step. Your code should be runnable as written. You can assume that data are 0 and 1s (int, string or boolean, your choice) and output is a single bit. The language should be Turing-complete in the sense that for any algorithm written on a standard model, such as Turing machine, Markov chains, or similar of your choice, it's reasonably obvious (or explained) how to write a program that after being executred by your interpreter performs the algorithm. The length of the code is defined as the length of the code after removal of input part, output part, debug statements and non-necessary whitespaces. Please add the resulting code and its length to the post. You can't use functions that make compiler execute code for you, such as eval(), exec() or similar. This is a Community Wiki, meaning neither the question nor answers get the reputation points from votes. But vote anyway!

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• Select 2 Rows from Table when COUNT of another table

  - by Marcus

  Here is the code that I currently have: SELECT `A`.* FROM `A` LEFT JOIN `B` ON `A`.`A_id` = `B`.`value_1` WHERE `B`.`value_2` IS NULL AND `B`.`userid` IS NULL ORDER BY RAND() LIMIT 2 What it currently is supposed to do is select 2 rows from A when the 2 rows A_id being selected are not in value_1 or value_2 in B. And the rows in B are specific to individual users with userid. What I need to do is make it also so that also checks if there are already N rows in B matching a A_id (either in value_1, or value_2) and userid, and if there are more than N rows, it doesn't select the A row.

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• How do I work around an HTML Table rendering bug in IE 7?

  - by osmaniac

  I have a table. Some cells span multiple columns. Some cells span multiple rows and columns. But one row (which spans all columns but the rightmost one) creates an artifact. Part of the text in the cell is erroneously repeated left justified on a new row just below the table. I'm baffled. I tried rendering with and without "table-layout: fixed;". Same result. When I originally composed the design using just HTML and CSS, it looked great. But then I worked it into a page and had to add more columns to my master table the right to hold buttons. These buttons are in three groups, each having their own div to control floating and rewrapping when the window gets narrower. One div has another table inside it that groups a single row of buttons. Thus I have table inside div inside td inside outer table. I would prefer a simpler design, but how? This is what I want to have: ................................................................................... . . . . Four rows of data . Three groups of buttons that can reflow . . With several columns . if window gets narrower . . meticulously layed out, . . . That should not resize . . . when window gets narrower . . ................................................................................... . One more row of data spanning the whole screen which stays below the buttons . ................................................................................... What I was doing was putting the three divs with the buttons in the upper right in a single cell that spanned four rows. What other opportunities does CSS offer? The buttons are not allowed to overlap the data on the left or go past the data line below. The original design had the divs with the buttons NOT in a table with the data, but when the window gets narrow, some of the buttons flow such that they go underneath the data, which looks bad. I would post actual HTML, except it is generated by ASP, huge, with lots of CSS styling, and the feature that lets me view the final HTML is not working at the moment. (Built in security in the application.)

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