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• How to read a multiple line input from command line in c?

  - by Eternal Learner

  For Example: If I need to read a multiple line input like: 1 20 2 31 3 41 Also how to specify input in multiple lines? When ever I hit "Enter" on keyboard for new line input the program starts execution?

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• need a regex for matching repeating lines of symbols (example: ------------- or *****************)

  - by Haroldo

  I want to be able to remove linebreaks etc that people make by using recurring characters, for example: **************************************************** ---------------------------------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ etc i'd like to not have to specify which characters it will match, maybe all that are NOT \w characters? also note they will not always start/end on a new line.. is this possible?

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• How to prevent updating duplicate rows in SQLite Database?

  - by CSharperWithJava

  I'm inserting new rows into a SQLite table, but I don't want to insert duplicate rows. I also don't want to specify every column in the database if possible. I don't even know if this is possible. I should be able to take my values and create a new row with them, but if they duplicate another row they should either overwrite the existing row or do nothing.

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• How to get only USB devices not all the devices in the system

  - by new

  Grretings to all, I get devices list from the system. but i am not sure that if i want to get only the usb devices currently in the system means , What class i must specify in the below code ( DWORD Flags ) hDevInfo = SetupDiGetClassDevs(&GUID_DEVINTERFACE_USB_DEVICE, 0, // Enumerator 0, DIGCF_PRESENT | DIGCF_INTERFACEDEVICE );

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• PortableArea and MasterPages

  - by Sunny

  How can I design my portable areas such that the consumer can specify the MasterPage & various content placeholders & my portable area renders into those regions at run time? Any code samples and/or ideas? Thanks!

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• Setting the pixel format of an existing Bitmap in GDI+

  - by dlanod

  How do I set the PixelFormat property in a GDI+ Bitmap if I can't use one of the constructors that allow me to specify it? It looks like the PixelFormat property itself is read-only.

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• How do you set the title attribute of an ASP.NET MVC Html.ActionLink to the generated URL

  - by Keith Hill

  I would like users to be able to see the corresponding URL for an anchor tag generated by Html.ActionLink() when they hover over the link. This is done by setting the title attribute but where I'm stuck is figuring out how to get that value: @Html.ActionLink(@testrun.Name, "Download", "Trx", new { path = @testrun.TrxPath }, new { title = ??) How can I specify the URL that ActionLink is going to generate? I could hardcode something I guess but that violates DRY.

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• Expression Blend does not allow to select Solution Configuration/Platform

  - by Lenik

  Our solution is built using Release|x86; however, when our designers try to build using Blend they are forced to use Any CPU which we don't want to to add since it's going to change the behavior. I checked version 4, and it does not seem to address this issue. Is there a way to specify Solution Configuration/Platform when using Blend? Any workarounds?

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• C# coding standards for private member variables [closed]

  - by Sasha

  I saw two common approaches for coding standards for private member variables: class Foo { private int _i; private string _id; } and class Foo { private int m_i; private string m_id; } I believe the latter is coming from C++. Also, many people specify type before the member variable: double m_dVal -- to indicate that is is a nonconstant member variable of the type double? What are the conventions in C#?

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• How to get deployed jars in Jboss

  - by Filip

  How can I get the list of jars deployed in JBoss? I want to compile some classes at runtime in EJB, but they may use some of the deployed jars, so I need to specify classpath during compilation.

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• Mapping between Excel and XML file - How to refresh from C#

  - by osteinme

  Hi Got an excel spread sheet where I specify mapping to an XML file. I'd like to open the spread sheet from C# and force refresh the cells mappped to the XML file. - How can I do that ? Any dll I need to reference ? Thanks Olivier

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• How to obtain JNDI data source for JPA/JTA DAO integration test?

  - by HDave

  I have a JPA application that has specified JTA transactions in persistence.xml. For whatever reason, I have found that when using JTA, you MUST specify a JNDI data source within persistence.xml as well. This is fine, unless you are trying to go integration testing outside a container and JNDI is not available. My questions are: a) is there anyway to inject a jdbc datasource into my JTA transaction manager? b) if not, how do a handle a JNDI lookup during integration testing?

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• How do I create a generic method with a generic in the where clause? (Man that's clear as mud!)

  - by Jordan

  Is there a way of doing this: protected void SubscribeToEvent<TEvent, TPayload>(Action<TPayload> a_action) where TEvent : CompositePresentationEvent<TPayload> { TEvent newEvent = _eventAggregator.GetEvent<TEvent>(); SubscriptionToken eventToken = newEvent.Subscribe(a_action); _lstEventSubscriptions.Add(new KeyValuePair<EventBase, SubscriptionToken>(newEvent, eventToken)); } without requiring the user to specify a TPayload parameter?

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• meaning of text-size css propery in percentage

  - by Stefano Borini

  In css text-size, one can specify the size as a percentage. What does this percentage refer to ?

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• In @Table(name = "tableName") - make "tableName" a veriable in JPA

  - by zengr

  I am using JPA and I need to make the "tableName" a variable. In a database, I have many tables, and my code needs to access the table where I specify it to read. @Entity @Table(name = "tableName") public class Database implements Serializable {...............} Any ideas?

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• Determine week number based on starting date

  - by kreetiv

  I need help to create a function to determine the week number based on these 2 parameters: Starting date Specified date For example, if I specify April 7, 2010 as the starting date & passed April 20, 2010 as the date to lookup, I would like the function to return WEEK 2. Another example, if I set March 6, 2010 as starting date and looked up April 5, 2010 then it should return WEEK 6. I appreciate your time and help.

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• Setting a ListView Divider in code

  - by deSelby

  One of my ListView's needs to be created in code. When I specify a ListView in xml, I can set a dividerHeight and assign a color to the divider. But apparently, in code a color is not acceptable nor is pointing to a resource id. Only a Drawable is acceptable - and I haven't gotten to that chapter yet. Can someone point me to an example of setting a ListView divider in code?

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• C++ compile time purity checks?

  - by anon

  Is it possible to specify compile time "purity" checks in C++? I.e.: this function does not read from anything other than it's arguments this function does not write to anything; it only returns the return value

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• Environment variable expansion in persistence.xml (JPA)

  - by user342495

  I am developing a Eclipse RCP plugin which uses JPA. I tried to specify the database path via a variable give to the JVM on runtime. The property is set correctly but the database is created in a folder named after the variable name (here: ${DBHOME}). <property name="javax.persistence.jdbc.url" value="jdbc:derby:${DBHOME};create=true"/> Is there a possibility to fix this? Thx

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• Is it OK to write a constructor which does nothing?

  - by Roman

  To use methods of a class I need to instantiate a class. At the moment the class has not constructor (so I want to write it). But than I have realized that the constructor should do nothing (I do need to specify values of fields). In this context I have a question if it is OK to write constructor which does nothing. For example: public Point() { }

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• Solution for ora-1017 error for odp.net 2.111.7.0 ?

  - by Prithis

  Hi, As you are aware Oracle 11g has new facility of case sensitive password. We want to make use of it. When my C# application connects to oracle databse using ODP.Net 2.111.7.0 I am getting ora-1017 error. When we switch off this case sensitive feature it works without any change to the connection string. Any idea what is missing? is there any escape sequence we can use to specify lowercase characters in password? Thanks

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• Why is the order of evaluation for function parameters undefined in c++?

  - by kunj2aan

  The standard doesn't specify the order of evaluation of arguments with this line: The order of evaluation of arguments is unspecified. What does Better code can be generated in the absence of restrictions on expression evaluation order imply? What is the drawback in asking all the compilers to evaluate the function arguments Left to Right for example? What kinds of optimizations do compilers perform because of this undefined spec?

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• How to get Augmented Reality: A Practical Guide examples working?

  - by Glen

  I recently bought the book: Augmented Reality: A Practical Guide (http://pragprog.com/titles/cfar/augmented-reality). It has example code that it says runs on Windows, MacOS and Linux. But I can't get the binaries to run. Has anyone got this book and got the binaries to run on ubuntu? I also can't figure out how to compile the examples in Ubuntu. How would I do this? Here is what it says to do: Compiling for Linux Refreshingly, there are no changes required to get the programs in this chapter to compile for Linux, but as with Windows, you’ll first have to find your GL and GLUT files. This may mean you’ll have to download the correct version of GLUT for your machine. You need to link in the GL, GLU, and GLUT libraries and provide a path to the GLUT header file and the files it includes. See whether there is a glut.h file in the /usr/include/GL directory; otherwise, look elsewhere for it—you could use the command find / -name "glut.h" to search your entire machine, or you could use the locate command (locate glut.h). You may need to customize the paths, but here is an example of the compile command: gcc -o opengl_template opengl_template.cpp -I /usr/include/GL -I /usr/include -lGL -lGLU -lglut gcc is a C/C++ compiler that should be present on your Linux or Unix machine. The -I /usr/include/GL command-line argument tells gcc to look in /usr/include/GL for the include files. In this case, you’ll find glut.h and what it includes. When linking in libraries with gcc, you use the -lX switch—where X is the name of your library and there is a correspond- ing libX.a file somewhere in your path. For this example, you want to link in the library files libGL.a, libGLU.a, and libglut.a, so you will use the gcc arguments -lGL -lGLU -lglut. These three files are found in the default directory /usr/lib/, so you don’t need to specify their location as you did with glut.h. If you did need to specify the library path, you would add -L to the path. To run your compiled program, type ./opengl_template or, if the current directory is in your shell’s paths, just opengl_template. When working in Linux, it’s important to know that you may need to keep your texture files to a maximum of 256 by 256 pixels or find the settings in your system to raise this limit. Often an OpenGL program will work in Windows but produce a blank white texture in Linux until the texture size is reduced. The above instructions make no sense to me. Do I have to use gcc to compile or can I use eclipse? If I use either eclipse or gcc what do I need to do to compile and run the program?

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• How to manually install an artifact in Maven 2?

  - by liangzan

  Hi, I've encountered some errors when I tried to install an artifact manually with Maven 2. I wanted to install a jar from a local directory with the command mvn install:install-file -Dfile=jta-1.0.1B.jar But Maven gave a build error which reads like: Invalid task '.01B.jar': you must specify a valid lifecycle phase, or a goal in the format plugin:goal or pluginGroupId:pluginArtifactId:pluginVersion:goal Is there a mistake with my command?

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• Alter a function as a parameter before evaluating it?

  - by Shane

  Is there any way, given a function passed as a parameter, to alter its input parameter string before evaluating it? Here's pseudo-code for what I'm hoping to achieve: test.func <- function(a, b) { # here I want to alter the b expression before evaluating it: b(..., val1=a) } Given the function call passed to b, I want to add in a as another parameter without needing to always specify ... in the b call. So the output from this test.func call should be: test.func(a="a", b=paste(1, 2)) "1" "2" "a"

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