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  • Can I mix static and shared-object libraries when linking?

    - by SiegeX
    I have a C project that produces ten executables, all of which I would like to be statically linked. The problem I am facing is that one of these executables uses a 3rd-party library of which only the shared-object version is available. If I pass the -static flag to gcc, ld will error saying it can't find the library in question (I presume it's looking for the .a version) and the executable will not be built. Ideally, I would like to be able to tell 'ld' to statically link as much as it can and fail over to the shared object library if a static library cannot be found. In the interium I tried something like gcc -static -lib1 -lib2 -shared -lib3rdparty foo.c -o foo.exe in hopes that 'ld' would statically link in lib1 and lib2 but only have a run-time dependence on lib3rdparty. Unfortunatly, this did not work as I intended; instead the -shared flag overwrote the -static flag and everything was compiled as shared-objects. Is statically linking an all-or-nothing deal, or is there some way I can mix and match?

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  • Can an Excel VBA UDF called from the worksheet ever be passed an instance of any Excel VBA object mo

    - by jtolle
    I'm 99% sure that the answer is "no", but I'm wondering if someone who is 100% sure can say so. Consider a VBA UDF: Public Function f(x) End Function When you call this from the worksheet, 'x' will be a number, string, boolean, error, array, or object of type 'Range'. Can it ever be, say, an instance of 'Chart', 'ListObject', or any other Excel-VBA object model class? (The question arose from me moving to Excel 2007 and playing with Tables, and wondering if I could write UDFs that accept them as parameters instead of Ranges. The answer to that seems to be no, but then I realized I didn't know for sure in general.)

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  • How to replace the nth column/field in a comma-separated string using sed/awk?

    - by Peter Meier
    assume I have a string "1,2,3,4" Now I want to replace, e.g. the 3rd field of the string by some different value. "1,2,NEW,4" I managed to do this with the following command: echo "1,2,3,4" | awk -F, -v OFS=, '{$3="NEW"; print }' Now the index for the column to be replaced should be passed as a variable. So in this case index=3 How can I pass this to awk? Because this won't work: echo "1,2,3,4" | awk -F, -v OFS=, '{$index="NEW"; print }' echo "1,2,3,4" | awk -F, -v OFS=, '{$($index)="NEW"; print }' echo "1,2,3,4" | awk -F, -v OFS=, '{\$$index="NEW"; print }' Thanks for your help!

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  • Why doesn't an octal literal as a string cast to a number?

    - by Andy E
    In JavaScript, why does an octal number string cast as a decimal number? I can cast a hex literal string using Number() or +, why not an octal? For instance: 1000 === +"1000" // -> true 0xFF === +"0xFF" // -> true 0100 === +"0100" // -> false - +"0100" gives 100, not 64 I know I can parse with parseInt("0100" [, 8]), but I'd like to know why casting doesn't work like it does with hex and dec numbers. Also, does anyone know why octal literals are dropped from ECMAScript 5th Edition in strict mode?

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  • Is it possible to coerce string values in xml to bool?

    - by Kugel
    Let's suppose I have xml like this one: <Server Active="No"> <Url>http://some.url</Url> </Server> C# class looks like this: public class Server { [XmlAttribute()] public string Active { get; set; } public string Url { get; set; } } Is it possible to change Active property to type bool and have XmlSerializer coerce "Yes" "No" to bool values? Edit: Xml is received, I cannot change it. So, in fact, i'm interested in deserialization only.

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  • How to get the real type of a value inside string?

    - by CuSS
    I was searching here on StackOverflow about converting string to the real value and i didn't found. I need a function like "gettype" that does something like the result above, but i can't do it all :s gettypefromstring("1.234"); //returns (doble)1,234; gettypefromstring("1234"); //returns (int)1234; gettypefromstring("a"); //returns (char)a; gettypefromstring("true"); //returns (bool)true; gettypefromstring("khtdf"); //returns (string)"khtdf"; Thanks to all :)

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  • Why is activeX failing to create an object from a Labview executable?

    - by user360734
    Here is my scenario. I am using Quicktest Pro (VB) to create an ActiveX object from a Labview VI that I built into an executable. In the build specs of the VI I have enabled ActiveX server option (ActiveX server name: "MyLabviewProgram") and in the VI ToolsOptionsVI Server: Configuration the ActiveX box is checked. So in QTP my code is: Set IvApp = CreateObject("MyLabviewProgram.Application") Set Vi = IvApp.getVIReference("MyLabviewVI.vi") Vi.Call ParamNames, ParamVals Upon running this I get a Run Error on the first line: ActiveX component can't create object: 'MyLabviewProgram.Application' I am having trouble figuring out why it errors. From National Instruments website they have a step in on one of their community pages about "LabVIEW Executable Used as ActiveX Server". The step is after building the EXE, 5. Run the EXE at least once on the target to activate the .TLB file. I've run the executable but not sure what they mean by on the target. Does anyone have a suggestion on what I need to do to get this working?

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  • How to activate a solution in SharePoint 2010 using client object model?

    - by Boris
    Here's the situation: I have a customized SharePoint2010 site created. I saved that site as a site template, which has created a solution. I want to be able to activate that solution using SharePoint2010 client object model. Is that possible? If yes, could you show me how to do it? If no, then could you show me how it can be done using standard SharePoint object model, or any other method? Thank you for all the help.

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  • Java - strange problem storing text to a String[] and then storing the array to a Vector. Help plea

    - by hatboysam
    OK so for background I've only been using Java for a little more than a week and I am making a basic GUI "Recipe Book" application just to test out some of the techniques I've learned. Currently I'm working on the "Add New Recipe" page that allows the user to make a new recipe by adding ingredients one at a time. The ingredients have 3 attributes: Name, amount, and unit (like cups, oz, etc) that come from two text fields and a combo box respectively. The 3 values are stores as strings to a String array that represents the ingredient, then the arrays are stored in a vector that holds all of the ingredients for one recipe. When an ingredient is added, the user first types in the 3 necessary values into empty boxes/combo box dropdown and then clicks "Add Ingredient". Here is my code for when the button is clicked: public void actionPerformed(ActionEvent event) { Object source = event.getSource(); if (source == addIngredientButton) { //make sure 3 ingredient fields are not blank if (!ingredientNameField.getText().equals("") && !ingredientAmountField.getText().equals("") && !ingredientUnitDropdown.getSelectedItem().equals("")) { tempIngredientsArray[0] = ingredientNameField.getText(); //set ingredient name to first position in array tempIngredientsArray[1] = ingredientAmountField.getText(); //set ingredient amount to second position in array tempIngredientsArray[2] = (String) ingredientUnitDropdown.getSelectedItem(); //set ingredient unit to third position in array int ingredientsVectorSize = tempRecipe.ingredientsVector.size(); tempRecipe.ingredientsVector.add(this.tempIngredientsArray); //why would it matter if this and previous statement were switched for (int k = 0; k < ingredientsVectorSize + 1; k++ ) { liveIngredientsListArea.append("\n" + tempRecipe.makeIngredientSentence(k)); System.out.println(Arrays.toString(tempIngredientsArray)); //shows that tempIngredientsArray gets messed up each time } } Now here's the really strange problem I've been having. The first time the user adds an ingredient everything works fine. The second time, the String[] for that ingredient seems to be duplicated, and the third time it's triplicated. Aka the first time it runs the System.out.println might return "{Sugar, 3, Cups}" and the second time it will return "{Flour, 2, Oz.} {Flour, 2, Oz.}" etc. What's causing this strange problem? All help greatly appreciated, let me know if you need any clarification.

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  • What does 'salt' refer to in string-to-key (s2k) specifier?

    - by WilliamKF
    What does 'salt' refer to in string-to-key (s2k) specifier? It appears to be a random number generator to shake things up, but I would like to know what 'salt' stands for? For example it is written: 3.6.1.2. Salted S2K This includes a "salt" value in the S2K specifier -- some arbitrary data -- that gets hashed along with the passphrase string, to help prevent dictionary attacks. Octet 0: 0x01 Octet 1: hash algorithm Octets 2-9: 8-octet salt value Salted S2K is exactly like Simple S2K, except that the input to the hash function(s) consists of the 8 octets of salt from the S2K specifier, followed by the passphrase. But salt is not defined, although its meaning seems clear.

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  • I have Person.Surname field implemented as a string if I change the implementation of the field to a

    - by AndyM
    This is me going right back to basics with TDD for learning purposes. I originally implemented Person.Surname as field of type object (the simplest possible way of passing the test. I then added a test setting Person.Surname stating that the return value should be a string and set Person.Surname=20. I 'fixed' the test by changing the implementation to use string rather than object. The test now long compiles due to static type checking, so I commented it out. So I'm left with no way of leaving my intention in the test. Is there a way of having a failing test in this circumstance?

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  • MongoDB RSS Feed Entries, Embed the Entries in the Feed Object?

    - by Patrick Klingemann
    I am saving a reference to an RSS Feed in MongoDB, each Feed has an ever growing list of Entries. As I'm designing my schema, I'm concerned about this statement from the MongoDB Schema Design - Embed vs. Reference Documentation: If the amount of data to embed is huge (many megabytes), you may read the limit on size of a single object. This will surely happen if I understand the statement correctly. So the question is, I am correct to assume that I should not embed the Feed Entries within a Feed because I'll eventually reach the limit on size of a single object?

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  • how to write extension method to check string value is null or not.

    - by kumar
    Hi all, (LocalVariable)ABC.string(Name)= (Idatareader)datareader.GetString(0); this name value is coming from database.. what happening here is if this name value is null while reading it's throwing an exception? I am manually doing some if condition here. I don't want to write a manual condition to check all my variables.. I am doing something like this now.. string abc = (Idatareader)datareader.GetValue(0); if(abc = null) //assiging null else assiging abc value is there something like can we write extension method for this? thanks

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  • Programmatically changing code files

    - by Carra
    I'm changing our webservices to an async model. And for that I have to change over a hundred methods. Doing it manually is one (unappealing) option. Is there no way to programmatically parse & change multiple functions/code files? Example: [Webmethod] public void MyWebservice (string parameter1, string parameter2, string parameter3) { //Logic here } And change this to: public void InternalMyWebservice (string parameter1, string parameter2, string parameter3, AsyncCallback callback) { //Logic here } [Webmethod] public void BeginMyWebservice (string parameter1, string parameter2, string parameter3, AsyncCallback callback, object asyncState) { //Queue InternalMyWebservice in a threadpool } public void EndMyWebservice(IAsyncResult asyncResult) { //Set return values } It's basically the same thing I have to do for each webservice. Change the name to "InternalX", add a parameter and create the begin & end method.

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  • Sorting of table column by string length not working as intended when done in IB via cocoa - binding

    - by Miraaj
    Hi all, I made a sample application displaying list of employees with their salaries over NSTableView using NSArrayController. Basic functionality is working as intended. Also sorting is working fine when Selector - compare or caseInsensitiveCompare is assigned in attribute pane for table column- employeeName. Problem occurs when I try to sort it by string length by setting selector in IB as - length, for the table column - employeeName. It does sorting by string length but does it inappropriately. It is doing sorting on alternate clicks ie. on first click it sorts the content in table in descending order by length. Then on second click it does not arrange contents in ascending order by length but sets arrow on top as in ascending. Then on third click it arranges contents in ascending order by length but sets arrow on top of table column as in descending and so on... Can anyone suggest if I am wrong somewhere? Thanks, Miraaj

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  • Disable IPV6 on specific NIC via PowerShell using a Com Object on Windows Server 2008 R2?

    - by user1256194
    I need to script some Windows Server 2008 R2 builds, preferably in PowerShell. I need to disable or uncheck IPV6 on a specific NIC (the same NIC every time). Currently, I have to set it manually. I do not want to disable IPV6 completely for the entire server other things may use that in the future. Is there an object I can reference in a PowerShell command specifying my NIC "Intel(R) PRO/1000 MT Network Connection" and disable IPV6? Unfortunately, Group Policy is not an option says the boss. I've tried finding an appropriate WMI object via "PowerShell Scriptomatic" but failed to find the difference between an enabled setting versus disabled on the Intel NIC. Thanks in advance.

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  • Consing lists with user-defined type in Haskell

    - by user1319603
    I have this type I defined myself: data Item = Book String String String Int -- Title, Author, Year, Qty | Movie String String String Int -- Title, Director, Year, Qty | CD String String String Int deriving Show -- Title, Artist, Year, Qty I've created an empty list all_Items = [] With the following function I am trying to insert a new book of type Item (Book) into the all_Items addBook all_Items = do putStrLn "Enter the title of the book" tit <- getLine putStrLn "Enter the author of the book" aut <- getLine putStrLn "Enter the year this book was published" yr <- getLine putStrLn "Enter quantity of copies for this item in the inventory" qty <- getLine Book tit aut yr (read qty::Int):all_Items return(all_Items) I however am receiving this error: Couldn't match expected type `IO a0' with actual type `[a1]' The error points to the line where I am using the consing operator to add the new book to the list. I can gather that it is a type error but I can't figure out what it is that I am doing wrong and how to fix it. Thanks in Advance!

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  • How to convert string date to Timestamp in java?

    - by lakshmi
    Hi, I want to convert string Date into Timestamp in java. The following coding i have written.I have declare the date for date1 is: 7-11-11 12:13:14. SimpleDateFormat datetimeFormatter1 = new SimpleDateFormat( "yyyy-MM-dd hh:mm:ss"); Date lFromDate1 = datetimeFormatter1.parse(date1); System.out.println("gpsdate :" + lFromDate1); Timestamp fromTS1 = new Timestamp(lFromDate1.getTime()); I want to convert 7-11-11 12:13:14 this string date into timestamp. Now i got the output is 0007-11-11 00:13:14.000000 +05:30:00 but i want ( 7-11-11 12:13:14) this format Timestamp date. Can anyone please help me. Thank you.

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  • Databinding in windows forms on an object graph with possible null properties?

    - by Fredrik
    If I have an object graph like this: class Company { public Address MainAddress {...} } class Address { public string City { ... } } Company c = new Company(); c.MainAddress = new Address(); c.MainAddress.City = "Stockholm"; and databind to a control using: textBox1.DataBinding.Add( "Text", c, "MainAddress.City" ); Everything is fine, but If I bind to: Company c2 = new Company(); c2 using the same syntax it crashes since the MainAddress property is null. I wonder if there is a custom Binding class that can set up listeners for all the possible paths here and bind to the actual object dynamically when/if I sometime later in the application set the MainAddress property.

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  • How to convert string "0671" or "0x45" into integer form with 0 and 0x in the beginning.

    - by Harshit Sharma
    I wanted to make my own encryption algorithm and decryption algorithm , encryption algorithm works fine and converts ascii value of the characters into alternate hexadecimal and octal representations. But when I tried decryption, problem occured as it return int('0671') = 671, as 0671 is string type in the following code. Is there a method to convert "ox56" into integer form?????? NOTE: Following string is alternate octal and hexa of ascii value of char. ///////////////DECRYPTION/////// l="01630x7401620x6901560x67" f=len(l) k=0 d=0 x=[] for i in range(0,f,4): g=l[i:i+4] print g k=k+1 if(k%2==0): p=g print p else: p=int(g) print p

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  • How to "serialize" and "deserialize" command line arguments to string in bash?

    - by Vi
    I call my script: $ ./script 'a!#*`*& ^$' "sdf sdf\"qw sdsdf" 1 -- 2 3 It gets arguments: 1: a!#*`*& ^$ 2: sdf sdf"qw sdsdf 3: 1 4: -- 5: 2 6: 3 If I need to call something with the same arguments locally, I do this: someprogram "$@" But how can I put all that array to a string (to store in file or in environment variable or pass over TCP eaisly) and then turn it back to command line arguments somewhere? I want it to be simple, short and secure. export CMDLINE="$@" # What is in CMDLINE now? Escaped or not? sh -c "someprogram $CMDLINE" # Will it do what I mean? Ideally I want two bash subroutines: the first turns turns any Bash array into a [a-zA-Z0-9_]* string, the other turns it back to Bash array I can use.

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