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  • How can I use a new Perl module without install permissions?

    - by James Dean
    Here is my situation: I know almost nothing about Perl but it is the only language available on a porting machine. I only have permissions to write in my local work area and not the Perl install location. I need to use the Parallel::ForkManager Perl module from CPAN How do I use this Parallel::ForkManager without doing a central install? Is there an environment variable that I can set so it is located? Thanks JD

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  • Type-inferring a constant in C#

    - by Andreas Grech
    In C#, the following type-inference works: var s = "abcd"; But why can't the type be inferred when the variable is a constant? The following throws a compile-time exception: const var s = "abcd"; // <= Compile time error: // Implicitly-typed local variables cannot be constant

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  • about null values!

    - by user329820
    Hi I have a question that if we declare a variable and then do not set it explicitly to null value then it would be null outomatically ,i mean that the below code will return true or false ? thanks DECLARE @val CHAR(4) If @val = NULL

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  • Specifying a callback in Matlab after any runtime error

    - by JmG
    Is there a way to specify code to be run whenever an error occurs in Matlab? Googling I came across RunTimeErrorFcn and daqcallback, but I believe these are specific to the Data Acquisition Toolbox. I want something for when I just trip over a bug, like an access to an unassigned variable. (I use a library called PsychToolbox that takes over the GPU, so I want to be able to clear its screen before returning to the command prompt.)

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  • Searching LPSTR string

    - by David21
    I want to find some words after i get the whole file to char*. I know how to do it using the string class functions but i don't want to copy the data again to a string variable. is there any similar functions available to use for char* strings or should i still use string class?

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  • Ctrl+R, Ctrl+R command not working

    - by mwright
    I'm attempting to use the Ctrl+R, Ctrl+R command within Visual Studio 2008 to rename a variable. I get an error message at the bottom saying that "The key combination (Ctrl+R, Ctrl+R) is bound to command (&Rename...) which is not currently available." I am not running it or anything I can think of which might prohibit modifications of the file and the F2 command allows a rename to happen. Anyone know how to fix this?

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  • How to prompt a streamed file for downloading in Java / Tomcat

    - by Clem
    Hello, I'm creating a java web application runing on a Tomcat server. One of the functions fill in a StringBuffer variable with data. At the end, I would like to propose the user to download the generated content packaged in a text file. This without having to store the file on the server. I've been searching for a code snippet but couldn't find anything corresponding ... I hope I've been clear enough on my problem. Thanks in advance,

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  • Impersonate SYSTEM (or equivalent) from Administrator Account

    - by KevenK
    This question is a follow up and continuation of this question about a Privilege problem I'm dealing with currently. Problem Summary: I'm running a program under a Domain Administrator account that does not have Debug programs (SeDebugPrivilege) privilege, but I need it on the local machine. Klugey Solution: The program can install itself as a service on the local machine, and start the service. Said service now runs under the SYSTEM account, which enables us to use our SeTCBPrivilege privilege to create a new access token which does have SeDebugPrivilege. We can then use the newly created token to re-launch the initial program with the elevated rights. I personally do not like this solution. I feel it should be possible to acquire the necessary privileges as an Administrator without having to make system modifications such as installing a service (even if it is only temporary). I am hoping that there is a solution that minimizes system modifications and can preferably be done on the fly (ie: Not require restarting itself). I have unsuccessfully tried to LogonUser as SYSTEM and tried to OpenProcessToken on a known SYSTEM process (such as csrss.exe) (which fails, because you cannot OpenProcess with PROCESS_TOKEN_QUERY to get a handle to the process without the privileges I'm trying to acquire). I'm just at my wit's end trying to come up with an alternative solution to this problem. I was hoping there was an easy way to grab a privileged token on the host machine and impersonate it for this program, but I haven't found a way. If anyone knows of a way around this, or even has suggestions on things that might work, please let me know. I really appreciate the help, thanks!

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  • copying a short int to a char array

    - by cateof
    I have a short integer variable called s_int that holds value = 2 unsighed short s_int = 2; I want to copy this number to a char array to the first and second position of a char array. Let's say we have char buffer[10];. We want the two bytes of s_int to be copied at buffer[0] and buffer[1]. How can I do it?

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  • Are +=, |=, &= etc atomic?

    - by SF.
    Are the "modify" operators like +=, |=, &= etc atomic? I know ++ is atomic (if you perform x++; in two different threads "simultaneously", you will always end up with x increased by 2, as opposed to x=x+1 with optimization switched off.) What I wonder is whether variable |= constant, and the likes are thread-safe or do I have to protect them with a mutex? (...or is it CPU-dependent? In this case, how is it on ARM?)

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  • Is there a built-in .NET method for getting all of the properties and values for an object?

    - by Ben McCormack
    Let's say I have: public class Item { public string SKU {get; set; } public string Description {get; set; } } .... Is there a built-in method in .NET that will let me get the properties and values for variable i of type Item that might look like this: {SKU: "123-4556", Description: "Millennial Radio Classic"} I know that .ToString() can be overloaded to provide this functionaility, but I couldn't remember if this was already provided in .NET.

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  • Strange compilation error - GAS3 generated class

    - by subh
    I am pretty new to GraniteDS..So far I have been able to successfully configure it to work with my remote java services as well as generate the equivalent AS3 files from my POJO's. But I am getting this strange error while building one of the classes using GAS3 [ERROR] C:\TestGDS_All\TestGDS-flex-remoteobjects\target\generated-sources\com\mycompany\TestGDS\masterdata\model\TankGradesMlBas e.as:[77,29] Syntax error: expecting identifier before use. public function set use(value:String):void { [ERROR] C:\TestGDS_All\TestGDS-flex-remoteobjects\target\generated-sources\com\mycompany\TestGDS\masterdata\model\TankGradesMlBas e.as:[77,52] Syntax error: expecting leftparen before leftbrace. public function set use(value:String):void { [ERROR] C:\TestGDS_All\TestGDS-flex-remoteobjects\target\generated-sources\com\mycompany\TestGDS\masterdata\model\TankGradesMlBas e.as:[77,52] Syntax error: expecting identifier before leftbrace. public function set use(value:String):void { [ERROR] C:\TestGDS_All\TestGDS-flex-remoteobjects\target\generated-sources\com\mycompany\TestGDS\masterdata\model\TankGradesMlBas e.as:[77,52] Syntax error: expecting rightparen before leftbrace. public function set use(value:String):void { [ERROR] C:\TestGDS_All\TestGDS-flex-remoteobjects\target\generated-sources\com\mycompany\TestGDS\masterdata\model\TankGradesMlBas e.as:[80,29] Syntax error: expecting identifier before use. public function get use():String { [ERROR] C:\TestGDS_All\TestGDS-flex-remoteobjects\target\generated-sources\com\mycompany\TestGDS\masterdata\model\TankGradesMlBas e.as:[80,42] Syntax error: expecting leftparen before leftbrace. public function get use():String { [ERROR] C:\TestGDS_All\TestGDS-flex-remoteobjects\target\generated-sources\com\mycompany\TestGDS\masterdata\model\TankGradesMlBas e.as:[80,42] Syntax error: expecting identifier before leftbrace. public function get use():String { [ERROR] C:\TestGDS_All\TestGDS-flex-remoteobjects\target\generated-sources\com\mycompany\TestGDS\masterdata\model\TankGradesMlBas e.as:[80,42] Syntax error: expecting rightparen before leftbrace. public function get use():String { The java class appears like this @Entity` @Table(name = "mmd_tank_grades_ml") @SuppressWarnings("serial") public class TankGradesMl implements Serializable { .... private String use; @Basic @Column(name = "USE", length = 45) public String getUse() { return use; } public void setUse(String use) { this.use = use; } What am I doing wrong? How to resolve this error? I tried by changing the java source variable like below private String usedFor; ---- @Basic @Column(name = "USE", length = 45) public String getUsedFor() { return usedFor; } /** * @param use * new value for use */ public void setUsedFor(String usedFor) { this.usedFor = usedFor; } and the error is gone...not sure why it was throwing exception for 'use'..too small for variable name :-)

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  • Can Grails output error messages in emacs format?

    - by ataylor
    Ant has a -e option for outputting error messages that can be parsed by emacs' compile command. For example, it is possible to do M-x compile, ant -e, then nagivate to any errors with C-x `. Is it possible to make grails output its compilation errors in this format? Alternatively, is there an emacs variable that can be customized to handle error messages in the format that grails uses?

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  • Storing array as value in associative array

    - by Jagannath
    i have a problem where I need to have an array as value in associative array. Go through the code below. Here I am trying to loop the files in a directory and it is more likely that more than 1 file can have the same ctrno. So, I would like to see what are all the files having the same ctrno. The code below gives error at "$ctrno_hash[$ctrno] = @arr;" in the else condition. The same case would be for if condition as well. Am I following the right approach or could it be done diffently? sub loop_through_files { $file = "@_"; open(INPFILE, "$file") or die $!; #print "$file:$ctrno\n"; while (<INPFILE>) { $line .= $_; } if ($line =~ /$ctrno/ ) { print "found\n"; if ( exists $ctrno_hash[$ctrno]) { local @arr = $ctrno_hash[$ctrno]; push (@arr, $file); $ctrno_hash[$ctrno] = @arr; } else { local @arr; push(@arr, $file); $ctrno_hash[$ctrno] = @arr; } } }

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