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• Are there any books dedicated to writing test code? [on hold]

  - by joshin4colours

  There are many programming books dedicated to useful programming and engineering topics, like working with legacy code or particular languages. The best of these books become "standard" or "canonical" references for professional programmers. Are there any books like this (or that could be like this) for writing test code? I don't mean books about Test-Driven Development, nor do I mean books about writing good (clean) code in general. I'm looking for books that discuss test code specifically (unit-level, integration-level, UI-level, design patterns, code structures and organization, etc.)

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• What is missing and should be added to Code Complete 3rd Edition? [closed]

  - by Peter Turner

  It's been quite a few years since Code Complete was published. I really love the book, I keep it in the bathroom at the office and read a little out of it once or twice a day. What developments in computer software... development need to be added to Code Complete 3e, and for the sake of reductionism, what should be removed to make room for them? Is it necessary even possible to call Code Complete Code Complete if it doesn't have language features that even Delphi has like anonymous methods and generics? Also, what languages would be more appropriate than C++ to use for a majority of code examples?

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• After how much line of code a function should be break down?

  - by Sumeet

  While working on existing code base, I usually come across procedures that contain Abusive use of IF and Switch statements. The procedures consist of overwhelming code, which I think require re-factoring badly. The situation gets worse when I identify that some of these are recursive as well. But this is always a matter of debate as the code is working fine and no one wants to wake up the dragon. But, everyone accepts it is very expensive code to manage. I am wondering if are any recommendations to determine if a particular Method is a culprit and needs a revisit/rewrite , so that it can broken down or polymophized in an effective manner. Are there any Metrics (like no. of lines in procedure) that can be used to identify such segment of code. The checklist or advice to convince everyone, will be great!

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• Do you use to third party companies to review your company's code?

  - by CodeToGlory

  I am looking to get the following - Basic code review to make sure they follow the guidelines imposed. Security code analysis to make sure there are no loopholes. No performance bottlenecks by doing a load test etc. We have lot of code coming in from third parties and is becoming laborious to manage code reviews and hence looking to see if others employ such practices. I understand that it may be a concern for some and would raise the question "Well, who is going to make sure the agency is doing their job right?" But basically I am just looking for a third party who can hold all vendor code to the same standards.

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• What is the right level of granularity for code commenting?

  - by Nick

  Commenting in code I believe is very important but recently I've been reviewing code that has left me wondering particular this one. //due to lack of confidence with web programming leaving this note in for now What is the right level of granularity for code commenting? EDIT: Obviously the above comment is shocking hence why I'm asking the question. I've recently noticed the inline comments in the code at my work place annoying. Instead of getting angry I want discovery the acceptable level of granularity for code commenting in the community.

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• Is imposing the same code format for all developers a good idea?

  - by Stijn Geukens

  We are considering to impose a single standard code format in our project (auto format with save actions in Eclipse). The reason is that currently there is a big difference in the code formats used by several (10) developers which makes it harder for one developer to work on the code of another developer. The same Java file sometimes uses 3 different formats. So I believe the advantage is clear (readability = productivity) but would it be a good idea to impose this? And if not, why? UPDATE We all use Eclipse and everyone is aware of the plan. There already is a code format used by most but it is not enforced since some prefer to stick to their own code format. Because of the above reasons some would prefer to enforce it.

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• which Project hosting service (Like google code, github) you will prefer to use? And Why?

  - by MobileDev123

  I am using to study (and at some point of time copy the desired module of) the code from these two sites (Google Code and Github). There is sourceforge too, I have some code, say some library that I want to share with the community, and I am to decide the hosting site. And before I decide I want to have opinions from this community. Which is your favorite Project hosting site or service? And why? There is one point where github can win over google code (may be I am wrong here), Github can let you forge whole project with a zip or tar file, but to do the same in google code we have to upload the zip file explicitly and put it in downloads.... Thanks

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• Default custom ControlTemplate is not applied when using Style

  - by gehho

  Hi all, I have created a default style for a Button including a custom ControlTemplate like so: <Style TargetType="{x:Type Button}"> <Setter Property="OverridesDefaultStyle" Value="True"/> <Setter Property="Background" Value="White"/> <Setter Property="BorderBrush" Value="Black"/> <!-- ...other property setters... --> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type Button}"> <Grid x:Name="gridMain"> <!-- some content here --> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> This style is added to my shared ResourceDictionary which is loaded by every control. Now, this style/template is applied to all my buttons, as expected, but it is NOT applied to those buttons which locally use a different style. For example, I want to have a certain margin for my "OK", "Apply" and "Cancel" buttons. Therefore, I defined the following style: <Style x:Key="OKApplyCancelStyle" TargetType="{x:Type Button}"> <Setter Property="Margin" Value="4,8"/> <Setter Property="Padding" Value="8,6"/> <Setter Property="MinWidth" Value="100"/> <Setter Property="FontSize" Value="16"/> </Style> ...and applied that style to my buttons using a StaticResource: <Button Content="OK" Style="{StaticResource OKApplyCancelStyle}"/> For me, the expected result would be that the ControlTemplate above would still be applied, using the values for Margin, Padding, MinWidth and FontSize from the "OKApplyCancelStyle". But this is not the case. The default Windows ControlTemplate is used instead, using the values from the style. Is this the typical behavior? Does a local style really override a custom ControlTemplate? If so, how can I achieve my desired behavior? I.e. still use my custom ControlTemplate even when styles are defined locally? Many thanks in advance, gehho.

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• How many lines of code is in StackOverflow? Your guess?

  - by Andy

  What is your guess, how many lines of code did it take to implement StackOverflow? Collecting all answers, I will publish the final estimate.

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• How do I gather TeamCity code coverage reports from multiple projects into one report?

  - by Loofer

  We use the build in coverage application in TeamCity 6 (about to upgrade to 7.1) If we wish to see the code coverage (or other metrics) of a particular build it is fine as we can navigate to that build, but it would be great if we could pluck out a few interesting metrics from all/some of the current projects/build configurations and display them all together. For convenience I would expect the new display to be accessible from within TeamCity itself, however if there are solutions that require a separate solution we could look at them. Thanks

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• Code coverage test in Visual Studio 2010? How?

  - by George

  Hello, I have a simple project on C#.NET and have written it in Visual Studio 2010. I am a newbie in C# and Visual Studio. I have written some unit tests, and they pass ok, but how can I test code coverage? Thanks in advance.

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• Listing common SQL Code Smells.

  - by Phil Factor

  Once you’ve done a number of SQL Code-reviews, you’ll know those signs in the code that all might not be well. These ’Code Smells’ are coding styles that don’t directly cause a bug, but are indicators that all is not well with the code. . Kent Beck and Massimo Arnoldi seem to have coined the phrase in the "OnceAndOnlyOnce" page of www.C2.com, where Kent also said that code "wants to be simple". Bad Smells in Code was an essay by Kent Beck and Martin Fowler, published as Chapter 3 of the book ‘Refactoring: Improving the Design of Existing Code’ (ISBN 978-0201485677) Although there are generic code-smells, SQL has its own particular coding habits that will alert the programmer to the need to re-factor what has been written. See Exploring Smelly Code   and Code Deodorants for Code Smells by Nick Harrison for a grounding in Code Smells in C# I’ve always been tempted by the idea of automating a preliminary code-review for SQL. It would be so useful to trawl through code and pick up the various problems, much like the classic ‘Lint’ did for C, and how the Code Metrics plug-in for .NET Reflector by Jonathan 'Peli' de Halleux is used for finding Code Smells in .NET code. The problem is that few of the standard procedural code smells are relevant to SQL, and we need an agreed list of code smells. Merrilll Aldrich made a grand start last year in his blog Top 10 T-SQL Code Smells.However, I'd like to make a start by discovering if there is a general opinion amongst Database developers what the most important SQL Smells are. One can be a bit defensive about code smells. I will cheerfully write very long stored procedures, even though they are frowned on. I’ll use dynamic SQL occasionally. You can only use them as an aid for your own judgment and it is fine to ‘sign them off’ as being appropriate in particular circumstances. Also, whole classes of ‘code smells’ may be irrelevant for a particular database. The use of proprietary SQL, for example, is only a ‘code smell’ if there is a chance that the database will have to be ported to another RDBMS. The use of dynamic SQL is a risk only with certain security models. As the saying goes,  a CodeSmell is a hint of possible bad practice to a pragmatist, but a sure sign of bad practice to a purist. Plamen Ratchev’s wonderful article Ten Common SQL Programming Mistakes lists some of these ‘code smells’ along with out-and-out mistakes, but there are more. The use of nested transactions, for example, isn’t entirely incorrect, even though the database engine ignores all but the outermost: but it does flag up the possibility that the programmer thinks that nested transactions are supported. If anything requires some sort of general agreement, the definition of code smells is one. I’m therefore going to make this Blog ‘dynamic, in that, if anyone twitters a suggestion with a #SQLCodeSmells tag (or sends me a twitter) I’ll update the list here. If you add a comment to the blog with a suggestion of what should be added or removed, I’ll do my best to oblige. In other words, I’ll try to keep this blog up to date. The name against each 'smell' is the name of the person who Twittered me, commented about or who has written about the 'smell'. it does not imply that they were the first ever to think of the smell! Use of deprecated syntax such as *= (Dave Howard) Denormalisation that requires the shredding of the contents of columns. (Merrill Aldrich) Contrived interfaces Use of deprecated datatypes such as TEXT/NTEXT (Dave Howard) Datatype mis-matches in predicates that rely on implicit conversion.(Plamen Ratchev) Using Correlated subqueries instead of a join   (Dave_Levy/ Plamen Ratchev) The use of Hints in queries, especially NOLOCK (Dave Howard /Mike Reigler) Few or No comments. Use of functions in a WHERE clause. (Anil Das) Overuse of scalar UDFs (Dave Howard, Plamen Ratchev) Excessive ‘overloading’ of routines. The use of Exec xp_cmdShell (Merrill Aldrich) Excessive use of brackets. (Dave Levy) Lack of the use of a semicolon to terminate statements Use of non-SARGable functions on indexed columns in predicates (Plamen Ratchev) Duplicated code, or strikingly similar code. Misuse of SELECT * (Plamen Ratchev) Overuse of Cursors (Everyone. Special mention to Dave Levy & Adrian Hills) Overuse of CLR routines when not necessary (Sam Stange) Same column name in different tables with different datatypes. (Ian Stirk) Use of ‘broken’ functions such as ‘ISNUMERIC’ without additional checks. Excessive use of the WHILE loop (Merrill Aldrich) INSERT ... EXEC (Merrill Aldrich) The use of stored procedures where a view is sufficient (Merrill Aldrich) Not using two-part object names (Merrill Aldrich) Using INSERT INTO without specifying the columns and their order (Merrill Aldrich) Full outer joins even when they are not needed. (Plamen Ratchev) Huge stored procedures (hundreds/thousands of lines). Stored procedures that can produce different columns, or order of columns in their results, depending on the inputs. Code that is never used. Complex and nested conditionals WHILE (not done) loops without an error exit. Variable name same as the Datatype Vague identifiers. Storing complex data  or list in a character map, bitmap or XML field User procedures with sp_ prefix (Aaron Bertrand)Views that reference views that reference views that reference views (Aaron Bertrand) Inappropriate use of sql_variant (Neil Hambly) Errors with identity scope using SCOPE_IDENTITY @@IDENTITY or IDENT_CURRENT (Neil Hambly, Aaron Bertrand) Schemas that involve multiple dated copies of the same table instead of partitions (Matt Whitfield-Atlantis UK) Scalar UDFs that do data lookups (poor man's join) (Matt Whitfield-Atlantis UK) Code that allows SQL Injection (Mladen Prajdic) Tables without clustered indexes (Matt Whitfield-Atlantis UK) Use of "SELECT DISTINCT" to mask a join problem (Nick Harrison) Multiple stored procedures with nearly identical implementation. (Nick Harrison) Excessive column aliasing may point to a problem or it could be a mapping implementation. (Nick Harrison) Joining "too many" tables in a query. (Nick Harrison) Stored procedure returning more than one record set. (Nick Harrison) A NOT LIKE condition (Nick Harrison) excessive "OR" conditions. (Nick Harrison) User procedures with sp_ prefix (Aaron Bertrand) Views that reference views that reference views that reference views (Aaron Bertrand) sp_OACreate or anything related to it (Bill Fellows) Prefixing names with tbl_, vw_, fn_, and usp_ ('tibbling') (Jeremiah Peschka) Aliases that go a,b,c,d,e... (Dave Levy/Diane McNurlan) Overweight Queries (e.g. 4 inner joins, 8 left joins, 4 derived tables, 10 subqueries, 8 clustered GUIDs, 2 UDFs, 6 case statements = 1 query) (Robert L Davis) Order by 3,2 (Dave Levy) MultiStatement Table functions which are then filtered 'Sel * from Udf() where Udf.Col = Something' (Dave Ballantyne) running a SQL 2008 system in SQL 2000 compatibility mode(John Stafford)

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• What is a good WordPress theme for long Objective-C code samples [closed]

  - by willc2

  As some of you iPhone developers know, Objective-C can be a verbose language. Long, descriptive variable and method names are the norm. I'm not complaining, it makes code easier to read and code completion makes it easy to type. But damn! Check out this method name for getting a cell in a table view: -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath; I have a WordPress blog where I publish my code samples as I'm learning the language. One thing I hate on other blogs is how the code won't fit in a column without that scroll bar or without wrapping around. It really made it hard for me to read and comprehend method names back when I was a super-noob (six months ago). Right now I use the clean-looking Fazyvo 1.0 theme by noonnoo. I love the look of it but the columns are just too narrow and it doesn't have support for wider ones. I could hand-modify it but then I'd have to maintain/redo those changes every time I updated it. Instead, I'm looking for a nice theme that has width control built-in and looks good at larger font sizes. Can anyone help? Note: I use WP-CodeBox for code syntax highlighting.

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• find style attribute using jquery

  - by Rubans

  HI, I want to find all input elements in a HTML string that has display not set to none. I have tried with JQuery and it doesn't seem to like looking for in the style attribute. Any ideas? I have the following HTML: <SPAN style="DISPLAY: none">4B holdings AG</SPAN><SPAN dropdownCell="onShowInvestorDropDown(ele, currentText)"></SPAN><INPUT style="DISPLAY: none" value="4B holdings AG" name=potbookgrid$ctl00$ctl08$ctl02> <DIV id=investorComboBoxPC> <DIV class="RadComboBox RadComboBox_Default" id=ctl02 style="DISPLAY: inline; WIDTH: 416px; ZOOM: 1" value="4B holdings AG"> <TABLE style="BORDER-TOP-WIDTH: 0px; TABLE-LAYOUT: fixed; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; WIDTH: 100%; BORDER-COLLAPSE: collapse; BORDER-RIGHT-WIDTH: 0px" cellSpacing=0 cellPadding=0 summary=combobox border=0> <TBODY> <TR> <TD class="rcbInputCell rcbInputCellLeft" style="MARGIN-TOP: -1px; MARGIN-BOTTOM: -1px; WIDTH: 100%"><INPUT class=rcbInput id=ctl02_Input style="DISPLAY: block" value="4B holdings AG" name=ctl02 autocomplete="off" jQuery1276253231647="1"></TD> <TD class="rcbArrowCell rcbArrowCellRight rcbArrowCellHidden" style="MARGIN-TOP: -1px; MARGIN-BOTTOM: -1px"><A id=ctl02_Arrow style="DISPLAY: block; OVERFLOW: hidden; POSITION: relative; outline: none">select</A></TD></TR></TBODY></TABLE> <DIV class=rcbSlide style="Z-INDEX: 6000"><IFRAME style="BORDER-RIGHT: 0px; BORDER-TOP: 0px; FILTER: progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0); LEFT: 0px; BORDER-LEFT: 0px; WIDTH: 0px; BORDER-BOTTOM: 0px; POSITION: absolute; TOP: 0px; HEIGHT: 0px" tabIndex=-1 src="javascript:'';" frameBorder=0>Your browser does not support inline frames or is currently configured not to display inline frames.</IFRAME> <DIV class="RadComboBoxDropDown RadComboBoxDropDown_Default " id=ctl02_DropDown style="DISPLAY: none; FLOAT: left; WIDTH: 416px"> <DIV class=rcbHeader id=ctl02_Header> <TABLE style="TABLE-LAYOUT: fixed"> <TBODY> <TR> <TD width=60>Investor Code</TD> <TD width=150>Investor Name</TD> <TD width=90>City</TD> <TD width=100>Country</TD></TR></TBODY></TABLE></DIV> <DIV class="rcbScroll rcbWidth" style="WIDTH: 100%" jQuery1276253231647="2"></DIV></DIV></DIV><INPUT id=ctl02_ClientState type=hidden value='{"logEntries":[],"value":"","text":"4B holdings AG","enabled":true}' name=ctl02_ClientState autocomplete="off"> </DIV></DIV>

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• Como Exportar Crystal Reports a Excel, Word, Rich Text, PDF ó HTML

  - by jaullo

  Cuando trabajamos con reportes siempre requerimos la funcionalidad de exportación. En crystal reports para asp.net, realizar esta tarea es sumamente sencillo. Sin embargo la pregunta más grande que salta siempre, es como realizarlo utilizando código Behind. Para poder acceder a las librerias de crystal y sus componentes, primero debemos importar los espacios de nombres: Normal 0 21 false false false ES X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; 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;} Imports CrystalDecisions.CrystalReports.Engine Imports CrystalDecisions.Shared  CrystalDecisions.CrystalReports.Engine, nos servirá para poder manejar nuestro reportDocument y CrystalDecisions.Shared, será el medio que utilicemos para la exportación. Así que, veamos como podemos exportar nuestro informe sin tener que enviarlo a la impresora, recordemos que por defecto crystal reports ya tiene la opcion de exportar a PDF sin embargo debemos hacerlo tal como si fueramos a imprimir y que es lo que evitaremos acá. Colocamos un botón en nuestra pagina asp Normal 0 21 false false false ES X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; 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;} <asp:Button ID="btntopdf" runat="server" Text="Exportar a PDF" /> Y en nuestro boton deberemos ejecutar la siguiente rutina: Normal 0 21 false false false ES X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; 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;} Protected Sub btntodpf_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btntopdf.Click          'Cargar reporte. Enlazando a la fuente de datos.        LoadReporte()          'Mas adelante veremos que estas lineas las podemos obviar        Response.Buffer = False        Response.Clear()  'ClearContent, ClearHeaders          reporteDoc.ExportToHttpResponse(ExportFormatType.PortableDocFormat, Response, True, "NombreArchivo")       End Sub LoadReport, es el encargado de llenar nuestro crystal con la fuente de datos. Está fue la primer forma de exporta nuestro crystal reports, pero no es la única, así que vamos a ver otra forma en la cual utilizaremos el metodo v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0 false 21 false false false ES X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; 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;} ExportToHttpResponse  Para este metodo, nuestro código en el botón cambia relativamente, pero antes de ello, daremos un repaso a los metodos utilizados. Nuestro primer parametro FormatType es un valor de tipo ExportFormatType, que puede corresponder a cualquiera de los metodos que enumeramos a continuación: CrystalReport: El formato al cual se exporta es de Tipo CrystalReport. Excel: El formato al cual se exporta es de tipo Excel ExcelRecord: El formato al cual se exporta es de Tipo Excel Record. NoFormat: No se ha especificado un formato de exportación. PortableDocFormat: El formato al cual se exporta es de Tipo PDF.  No voy a enumerar todos, pues me imagino que ya sabrán la idea de cada uno de los formatos, los numerados arriba son los mas importantes. Nuestro segundo parametro el objeto response nos permite adozar el archivo. Y por último, nuestro tercer parametro, definirá si debe ir como un objeto adjunto o no. Si lo colocamos en TRUE, estaremos enviando nuestro archivo como parametro, esto hará que no necesitemos las siguientes líneas de código: Normal 0 21 false false false ES X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; 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;} Response.Buffer = False Response.Clear()   Con esto realizado, ya contamos con la posibilidad de enviar el archivo directamente al cliente.   Ahora si, veamos cuanto se ha reducido nuestro código: Unicamente nos quedan dos líneas de código en nuestro botón Normal 0 21 false false false ES X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; 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;}        'Cargar reporte. Enlazando a la fuente de datos.        LoadReport()          reporteDoc.ExportToHttpResponse(ExportFormatType.PortableDocFormat, Response, True, "NombreArchivo")   Para finalizar, nada mas decir que espero esto les sea de ayuda y por supuesto,  que les facilite la vida con el uso de crystal reports.

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• Androidify Turns You into an Android-style Avatar

  - by ETC

  Androidify, a free application for Android phones, lets you create an Android-style avatar of yourself (or anyone, for that matter). Swap out the clothes, adjust the side of your noggin, add a pirate eye-patch, the customization options are abundant. Much like the Mii creator on the Wii, Androidify starts you off with the basics: skin color, hair style and color, adjustment of the body size. After that you can tweak things like clothing, accessories, facial hair and more. Once you’re done you can set it as your contact image, send it to others to use as your contact image, save as a photo, and other wise upload it with the social media tools you have on your phone. Hit up the link below to read more and grab a copy. Androidify [Android Market] Latest Features How-To Geek ETC How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware Comix is an Awesome Comics Archive Viewer for Linux Get the MakeUseOf eBook Guide to Speeding Up Windows for Free Need Tech Support? Call the Star Wars Help Desk! [Video Classic] Reclaim Vertical UI Space by Adding a Toolbar to the Left or Right Side of Firefox Androidify Turns You into an Android-style Avatar Reader for Android Updates; Now with Feed Widgets and More

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• How to review code that you do not understand?

  - by John Isaacks

  I have been given the role to improve development in our company. The first thing I wanted to start was code reviews since that has never been done here before. There are 3 programmers in our company. I am a web programmer, my known languages are mainly PHP, ActionScript and JavaScript. The other 2 developers write internal applications in VB.net We have been doing code reviews for a couple weeks now. I find it hard to understand VB code. So when they say what its doing, for the most part I just have to take their word for it. If I do see something that looks wrong, I explain my opinion and I explain how I would address it in one of the languages I know. Sometimes my suggestions are welcomed but many times I am told things like "this is the best way of doing it in this language" or "that doesn't apply to this language" or similar things of that nature. This may be true, but without knowing the language I am not sure how to confirm or refute these claims. I know one possible solution would be to learn vb so I can do better code reviews. I really have no interest in learning vb (especially since I have a list of other technologies I am trying to learn for my own projects) and would like to keep this as a last resort but it is an option. Another idea that came to me is, they both have interest in C# and so do I. Its relative to them because its .net and relative to me because its more similar to the languages I know. Yet it is new to all of us. I thought about the benefits of us all collaborating on a pet C#.net project and reviewing each others code from that. I guess theres also the possibility hiring a consultant to come in and give us some code reviews. What would you recommend I do in this situation.

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• How do you use blank lines in your code ?

  - by Matthieu M.

  There has been a few remarks about white space already in discussion about curly braces placements. I myself tend to sprinkle my code with blank lines in an attempt to segregate things that go together in "logical" groups and hopefully make it easier for the next person to come by to read the code I just produced. In fact, I would say I structure my code like I write: I make paragraphs, no longer than a few lines (definitely shorter than 10), and try to make each paragraph self-contained. For example: in a class, I will group methods that go together, while separating them by a blank line from the next group. if I need to write a comment I'll usually put a blank line before the comment in a method, I make one paragraph per step of the process All in all, I rarely have more than 4/5 lines clustered together, meaning a very sparse code. I don't consider all this white space a waste because I actually use it to structure the code (as I use the indentation in fact), and therefore I feel it worth the screen estate it takes. For example: for (int i = 0; i < 10; ++i) { if (i % 3 == 0) continue; array[i] += 2; } I consider than the two statements have clear distinct purposes and thus deserve to be separated to make it obvious. So, how do you actually use (or not) blank lines in code ?

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• Bad style programming, am I pretending too much?

  - by Luca

  I realized to work in an office with a quite bad code base. The base library implemented in years and years is quite limited, and most of that code is, honestly, horrible. Projects developed in the office are very large. Fine. I could define me a "perfectionist" (but often I'm not), and I thought to refactor an application (really a portion), which need a new (complex) feature. But, today, I really realized that it's not possible to refactor that application modules with a reasonable time (say, 24/26 hours, respect the avaialable time for the task, which is 160 hours). I'm talking about (I am a bit ashamed to say) name collisions, large and frequent cut & paste code, horrible and misleading naming, makefiles without dependencies (!), application login is spread randomly across many different sources, dead code, variable aliasing, no assertion, no documentation, very long source files, bad/incomplete include file definition, (this is emblematic!) very frequent extern declaration of variables and functions, ... I'm sure to continue ... buffer overflows because sprintf, indentation (!), spacing, non existent const modifier usage. I would say that every source line was written quite randomly when needed, without keeping in mind some design (at least, the obvious one). (Am I in hell?) The problem arises when the application is developed by a colleague of mine. I felt very frustrated. So, I decided to expose the "situation" to my colleague; at the end, that was a bad idea. He is justified in saying that "the application was developed in haste, so it is natural that it is written vaguely; you are wasting time to think and implement an elegant implementation" .... I'm asking too much from my colleague to write readable code, which is managed and documented? I expect too much in not having to read thousands of lines of code to understand how a particular logic?

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• Mal kurz erklärt: Advanced Security Option (ASO)

  - by Anne Manke

  v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Heinz-Wilhelm Fabry 12.00 Normal 0 false false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; 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-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Heinz-Wilhelm Fabry 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; 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-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} WER? Kunden, die die Oracle Datenbank Enterprise Edition einsetzen und deren Sicherheitsabteilungen bzw. Fachabteilungen die Daten- und/oder Netzwerkverschlüsselung fordern und / oder die personenbezogene Daten in Oracle Datenbanken speichern und / oder die den Zugang zu Datenbanksystemen von der Eingabe Benutzername/Passwort auf Smartcards oder Kerberos umstellen wollen. Heinz-Wilhelm Fabry 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; 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-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} WAS? Durch das Aktivieren der Option Advanced Security können folgende Anforderungen leicht erfüllt werden: Einzelne Tabellenspalten gezielt verschlüsselt ablegen, wenn beispielsweise der Payment Card Industry Data Security Standard (PCI DSS) oder der Europäischen Datenschutzrichtlinie eine Verschlüsselung bestimmter Daten nahelegen Sichere Datenablage – Verschlüsselung aller Anwendungsdaten Keine spürbare Performance-Veränderung Datensicherungen sind automatisch verschlüsselt - Datendiebstahl aus Backups wird verhindert Verschlüsselung der Netzwerkübertragung – Sniffer-Tools können keine lesbaren Daten abgreifen Aktuelle Verschlüsselungsalgorithmen werden genutzt (AES256, 3DES168, u.a.) Heinz-Wilhelm Fabry 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; 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-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} WIE? Die Oracle Advanced Security Option ist ein wichtiger Baustein einer ganzheitlichen Sicherheitsarchitektur. Mit ihr lässt sich das Risiko eines Datenmissbrauchs erheblich reduzieren und implementiert ebenfalls den Schutz vor Nicht-DB-Benutzer, wie „root unter Unix“. Somit kann „root“ nicht mehr unerlaubterweise die Datenbank-Files lesen . ASO deckt den kompletten physikalischen Stack ab. Von der Kommunikation zwischen dem Client und der Datenbank, über das verschlüsselte Ablegen der Daten ins Dateisystem bis hin zur Aufbewahrung der Daten in einem Backupsystem. Heinz-Wilhelm Fabry 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; 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-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Das BVA (Bundesverwaltungsamt) bietet seinen Kunden mit dem neuen Personalverwaltungssystem EPOS 2.0 mehr Sicherheit durch Oracle Sicherheitstechnologien an. Heinz-Wilhelm Fabry 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; 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-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Und sonst so? Verschlüsselung des Netzwerkverkehrs Wie beeinflusst die Netzwerkverschlüsselung die Performance? Unsere Kunden bestätigen ständig, dass sie besonders in modernen Mehr-Schichten-Architekturen Anwender kaum Performance-Einbußen feststellen. Falls genauere Daten zur Performance benötigt werden, sind realitätsnahe, kundenspezifische Tests unerlässlich. Verschlüsselung von Anwendungsdaten (Transparent Data Encryption-TDE ) Muss ich meine Anwendungen umschreiben, damit sie TDE nutzen können? NEIN. TDE ist völlig transparent für Ihre Anwendungen. Kann ich nicht auch durch meine Applikation die Daten verschlüsseln? Ja - die Applikationsdaten werden dadurch allerdings nur in LOBs oder Textfeldern gespeichert. Und das hat gravierende Nachteile: Es existieren zum Beispiel keine Datums- /Zahlenfelder. Daraus folgt, dass auf diesen Daten kein sinnvolles Berichtsverfahren funktioniert. Auch können Applikationen nicht mit den Daten arbeiten, die von einer anderen Applikation verschlüsselt wurden. Der wichtigste Aspekt gegen die Verschlüsselung innerhalb einer Applikation ist allerdings die Performanz. Da keine Indizes auf die durch eine Applikation verschlüsselten Daten erstellt werden können, wird die Datenbank bei jedem Zugriff ein Full-Table-Scan durchführen, also jeden Satz der betroffenen Tabelle lesen. Dadurch steigt der Ressourcenbedarf möglicherweise enorm und daraus resultieren wiederum möglicherweise höhere Lizenzkosten. Mit ASO verschlüsselte Daten können von der Oracle DB Firewall gelesen und ausgewertet werden. Warum sollte ich TDE nutzen statt einer kompletten Festplattenverschlüsselung? TDE bietet einen weitergehenden Schutz. Denn TDE schützt auch vor Systemadministratoren, die zwar keinen Zugriff auf die Datenbank, aber auf der Betriebssystemebene Zugriff auf die Datenbankdateien haben. Ausserdem bleiben einmal verschlüsselte Daten verschlüsselt, egal wo diese hinkopiert werden. Dies ist bei einer Festplattenverschlüssung nicht der Fall. Welche Verschlüsselungsalgorithmen stehen zur Verfügung? AES (256-, 192-, 128-bit key) 3DES (3-key)

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• How do you structure your shared code so that it is "re-findable" for new developers?

  - by awmckinley

  I started working at my current job about 8 months ago, and its been one of the best experiences I've had as a young programmer. It's a small company, and both my co-developers are brilliant guys. One of the practices that they both have been encouraging is lots of code-reuse. Our code base is mainly C#, and we're using a centralized revision control system. The way the repository is currently structured, there is a single folder in which all shared class libraries are placed (along with unit tests for each library), and our revision control system allows for sharing or linking those libraries out to other projects. What I'm trying to understand at this point is how the current structure of the folder can be made more conducive for finding those libraries again. I've talked to the other developers about this, and they agree that it's gotten a little messy. I find that I am sometimes "reinventing the wheel" because I didn't realize that there was an existing piece of code that solved a particular problem. The issue is complicated further by the fact that we're sharing some code between ASP.NET MVC2, WinForms, and Windows CE projects, and sharing code between applications built against multiple versions of .NET. How do other people approach this? Is the answer in naming the libraries in a certain way or is it preferable to invest in some code-search software? Is the answer in doc comments? Should we be sharing libraries at all or should we simply branch the class libraries for re-use? Thanks for any and all help!

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• Does it make sense to write tests for legacy code when there is no time for a complete refactoring?

  - by is4

  I usually try to follow the advice of the book Working Effectively with Legacy Code. I break dependencies, move parts of the code to @VisibleForTesting public static methods and to new classes to make the code (or at least some part of it) testable. And I write tests to make sure that I don't break anything when I'm modifying or adding new functions. A colleague says that I shouldn't do this. His reasoning: The original code might not work properly in the first place. And writing tests for it makes future fixes and modifications harder since devs have to understand and modify the tests too. If it's GUI code with some logic (~12 lines, 2-3 if/else block, for example), a test isn't worth the trouble since the code is too trivial to begin with. Similar bad patterns could exist in other parts of the codebase, too (which I haven't seen yet, I'm rather new); it will be easier to clean them all up in one big refactoring. Extracting out logic could undermine this future possibility. Should I avoid extracting out testable parts and writing tests if we don't have time for complete refactoring? Is there any disadvantage to this that I should consider?

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• Boiler plate code replacement - is there anything bad about this code?

  - by Benjol

  I've recently created these two (unrelated) methods to replace lots of boiler-plate code in my winforms application. As far as I can tell, they work ok, but I need some reassurance/advice on whether there are some problems I might be missing. (from memory) static class SafeInvoker { //Utility to avoid boiler-plate InvokeRequired code //Usage: SafeInvoker.Invoke(myCtrl, () => myCtrl.Enabled = false); public static void Invoke(Control ctrl, Action cmd) { if (ctrl.InvokeRequired) ctrl.BeginInvoke(new MethodInvoker(cmd)); else cmd(); } //Replaces OnMyEventRaised boiler-plate code //Usage: SafeInvoker.RaiseEvent(this, MyEventRaised) public static void RaiseEvent(object sender, EventHandler evnt) { var handler = evnt; if (handler != null) handler(sender, EventArgs.Empty); } } EDIT: See related question here UPDATE Following on from deadlock problems (related in this question), I have switched from Invoke to BeginInvoke (see an explanation here). Another Update Regarding the second snippet, I am increasingly inclined to use the 'empty delegate' pattern, which fixes this problem 'at source' by declaring the event directly with an empty handler, like so: event EventHandler MyEventRaised = delegate {};

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• Examples of both beautiful and ugly java code?

  - by tputkonen

  I would like to demonstrate how difficult it is for a layman to identify high quality code from flawed code. I'm thinking of doing this with the help of two java methods. Both of the methods should look like they do the same, pretty simple thing. However one of them should have several kind of flaws, for example: iteration with array off by one error string concatenations causing lots of objects to be created (as opposed to StringBuffer in the "good" code, which looks more complicated) possibly null pointer exception (but it should not be trivial to spot) Those are just some examples, all kinds of other issues including bugs and performance related structures are highly appreciated. Methods should be around 10-20 lines of length, and the task they do should be something simple - preferably printing something in an iteration.

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• Ternary operator or chosing from two arrays with the boolean as index

  - by ajax333221

  Which of these lines is more understandable, faster jsPerf, easier to maintain?: arr = bol ? [[-2,1],[-1,2]] : [[-1,0],[-1,1]]; //or arr = [[[-1,0],[-1,1]], [[-2,1],[-1,2]]][bol*1]; I usually write code for computers (not for humans), but this is starting to be a problem when I am not the only one maintaining the code and work for a team. I am unsure, the first example looks neat but are two different arrays, and the second is a single array and seem to transmit what is being done easier. I also considered using an if-else, but I don't like the idea of writing two arr = .... Or are there better options? I need serious guidance, I have never worried about others seeing my code.

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