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  • Eclipse thinks there are problems with my Android project...

    - by Dan Watling
    I have an Android project and Eclipse is telling me my project has an error with its build path. Specifically, the problem view shows "The project cannot be built until build path errors are resolved". The entire project builds just fine, meaning there are no red X's on any of the files. I can build the project outside of Eclipse, deploy it to the device, and it runs just fine, so I know there isn't a problem with my source code or layouts. The strange thing is when I remove the 'src' folder from the build path in Eclipse, clean and build the project, then re-add the 'src' folder to the build path and build the project it works again. However, within a few changes it gives me the same problem. Has anyone else encountered this before? Does anyone know of a solution? It's driving me mad! Thanks, -Dan

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  • How to tell rails to use non-default ruby?

    - by Hamish Downer
    I need two different versions of ruby on a server. The packaged ruby for the packaged puppet to work, and a compiled ruby for a rails web app to work. So basically I want the default ruby to be the ruby from the package, and for rails to use the compiled ruby (in /usr/local/bin/ and /usr/local/lib/ ) I've found references to setting the RUBYPATH and RUBYLIB environment variables, but I'm confused as to where to set them. In .bashrc, .profile, in the apache config somewhere?

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  • Proper way to set class variables

    - by ensnare
    I'm writing a class to insert users into a database, and before I get too far in, I just want to make sure that my OO approach is clean: class User(object): def setName(self,name): #Do sanity checks on name self._name = name def setPassword(self,password): #Check password length > 6 characters #Encrypt to md5 self._password = password def commit(self): #Commit to database >>u = User() >>u.setName('Jason Martinez') >>u.setPassword('linebreak') >>u.commit() Is this the right approach? Should I declare class variables up top? Should I use a _ in front of all the class variables to make them private? Thanks for helping out.

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  • Idiomatic ruby for temporary variables within a method

    - by Andrew Grimm
    Within a method, I am using i and j as temporary variables while calculating other variables. What is an idiomatic way of getting rid of i and j once they are no longer needed? Should I use blocks for this purpose? i = positions.first while nucleotide_at_position(i-1) == nucleotide_at_position(i) raise "Assumption violated" if i == 1 i -= 1 end first_nucleotide_position = i j = positions.last while nucleotide_at_position(j+1) == nucleotide_at_position(j) raise "Assumption violated" if j == sequence.length j += 1 end last_nucleotide_position = j Background: I'd like to get rid of i and j once they are no longer needed so that they aren't used by any other code in the method. Gives my code less opportunity to be wrong. I don't know the name of the concept - is it "encapsulation"? The closest concepts I can think of are (warning: links to TV Tropes - do not visit while working) Chekhov'sGun or YouHaveOutlivedYourUsefulness. Another alternative would be to put the code into their own methods, but that may detract from readability.

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  • How to pass variables using Unittest suite

    - by chrissygormley
    Hello I have test's using unittest. I have a test suite and I am trying to pass variables through into each of the tests. The below code shows the test suite used. class suite(): def suite(self): #Function stores all the modules to be tested modules_to_test = ('testmodule1', 'testmodule2') alltests = unittest.TestSuite() for module in map(__import__, modules_to_test): alltests.addTest(unittest.findTestCases(module)) return alltests It calls tests, I would like to know how to pass variables into the tests from this class. An example test script is below: class TestThis(unittest.TestCase): def runTest(self): assertEqual('1', '1') class TestThisTestSuite(unittest.TestSuite): # Tests to be tested by test suite def makeTestThisTestSuite(): suite = unittest.TestSuite() suite.addTest("TestThis") return suite def suite(): return unittest.makeSuite(TestThis) if __name__ == '__main__': unittest.main() So from the class suite() I would like to enter in a value to change the value that is in assert value. Eg. assertEqual(self.value, '1'). I have tried sys.argv for unittest and it doesn't seem to work. Thanks for any help.

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  • Why doesn't environment variable get updated in cmd without restart?

    - by John Nevermore
    CMD commands: setx SOMEVARIABLE "newpath" /M setx SOMEVARIABLE "%SOMEVARIABLE%;newpath2" /M Expected output on ECHO %SOMEVARIABLE%: newpath;newpath2 Actual output: %SOMEVARIABLE% Actual value stored (From System Properties-Environment Variables GUI): %SOMEVARIABLE%;newpath2 The only way i can get the expected output is, if i restart the command prompt every time i modify the environment variable. I'm using this command to automate environment variable value appending multiple times during the same process. Why doesn't environment variable get updated in cmd without restart? Is it possible to get the updated value of %SOMEVARIABLE% without restarting the command prompt?

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  • Unable to view values of variables while debugging

    - by RexM
    I'm trying to debug portions of the current application I'm working on, however when I try and check the value of a property/variable I get the error: Cannot evaluate expression because a thread is stopped at a point where garbage collection is impossible, possibly because the code is optimized. This is just a regular ASP.NET project. In some portions of the application I can view the properties and variables perfectly fine. I haven't figured out what's different about the blocks of code that I can and can not see the values of the variables in.

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  • ASP.NET MVC 2 relative paths for scripts and styles

    - by Tomaszewski
    Hi, having this really silly problem in ASP.NET MVC 2 with .NET 4. I need to test other pages using localhost, but sometimes I need to show the page to some else on another computer and so need to path out to my machine. In doing so, I need to use relative paths for my and tags. When I test through VS, I use relative path: <script src="../../Scripts/somejavascript.js"></script> <link href="../../Styles/somestyle.css" /> However, when I publish to local IIS, I'm having all sorts of problems beacuse the Scripts and Styles folder are at the same directory level, but it seems like I have to path out differently. For example, in the scenario above the styles will be picked up but the JavaScript won't be. Any ideas on how best to path out, relatively using MVC 2?

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  • Proper way to set object instance variables

    - by ensnare
    I'm writing a class to insert users into a database, and before I get too far in, I just want to make sure that my OO approach is clean: class User(object): def setName(self,name): #Do sanity checks on name self._name = name def setPassword(self,password): #Check password length > 6 characters #Encrypt to md5 self._password = password def commit(self): #Commit to database >>u = User() >>u.setName('Jason Martinez') >>u.setPassword('linebreak') >>u.commit() Is this the right approach? Should I declare class variables up top? Should I use a _ in front of all the class variables to make them private? Thanks for helping out.

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  • Import / include assigned variables in Jinja2

    - by Brian M. Hunt
    In Jinja2, how can one access assigned variables (i.e. {% set X=Y %}) within files incorporated with include? I'd expect the following to work given two Jinja2 files: A.jinja: Stuff {% include 'B.jinja' -%} B has {{ N }} references B.jinja: {% set N = 12 %} I'd expect that A.jinja, when compiled with Jinja2, would produce the following output: Stuff B has 12 references However, it produces: Stuff B has references I'd be much obliged for any input as to how to access the Jinja2 variables, such as N above, in the file that includes the file where N is set. Thank you for reading. Brian

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  • About fork system call and global variables

    - by lurks
    I have this program in C++ that forks two new processes: #include <pthread.h> #include <iostream> #include <unistd.h> #include <sys/types.h> #include <sys/wait.h> #include <cstdlib> using namespace std; int shared; void func(){ extern int shared; for (int i=0; i<10;i++) shared++; cout<<"Process "<<getpid()<<", shared " <<shared<<", &shared " <<&shared<<endl; } int main(){ extern int shared; pid_t p1,p2; int status; shared=0; if ((p1=fork())==0) {func();exit(0);}; if ((p2=fork())==0) {func();exit(0);}; for(int i=0;i<10;i++) shared++; waitpid(p1,&status,0); waitpid(p2,&status,0);; cout<<"shared variable is: "<<shared<<endl; cout<<"Process "<<getpid()<<", shared " <<shared<<", &shared " <<&shared<<endl; } The two forked processes make an increment on the shared variables and the parent process does the same. As the variable belongs to the data segment of each process, the final value is 10 because the increment is independent. However, the memory address of the shared variables is the same, you can try compiling and watching the output of the program. How can that be explained ? I cannot understand that, I thought I knew how the fork() works, but this seems very odd.. I need an explanation on why the address is the same, although they are separate variables.

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  • WinPE, Startnet.CMD and passing variables to second batch file not working

    - by user140892
    I don't know scripting or PowerShell (yes I need to learn something). I'm not an expert batch file maker either. I have a WinPE flash drive which I used to deploy OS images. I have the WIM, drivers and anything needed else outside the WinPE environment to ensure that Updates, changes are easier for me to make. I use the "STARTNET.CMD" batch file which is part of the WinPE. The reason to go through the letter drives is that the WinPE always gets the X letter drive assigned. The flash drive itself can receive a random letter which always changes. My deployment menu is located on the flash drive it self and not inside the WinPE. This is so that if I need to make a change I don't have to re-do the WinPE. I am able to locate the "menu.bat" batch file and launch it. I use a variable to capture the letter drive. I call the second batch file named "menu.bat" and pass the variable to it. When the second batch file loads, I believe that I am calling the variable correctly. If I break out of the batch file I can echo the variable and see the expected reply. The issue is that I can't use the variable to work with anything on the second batch file. In my test, I can get this to work over and over. When it runs from the real USB flash drive it does not work. I removed comments from the second batch file to make it smaller. My issue is that files below all get a message stating that the system cannot find the path specified. Diskpart Imagex.exe bcdboot.exe Why can't I get the varible to properly function when I try to using example "ImageX.exe"? Contents of the Startnet.cmd @echo off for %%p in (a b c d e f g h i j k l m n o p q r s t u v w x y z) do if exist %%p:\Tools\ set w=%%p Set execpatch=%w%\Tools\ call %w%:\Menu.bat \Tools\ Contents of the Menu.BAT @echo off set SecondPath=%1 cls :Start cls Echo. Echo.============================================================== Echo. Windows 7 64 Bit Ent Basic Desktops Echo.============================================================== Echo. Echo A. 790 Windows 7 - Basic Echo. Echo. Echo I. Exit Echo. Echo. set /p choice=Choose your option = if not '%choice%'=='' set choice=%choice:~0,1% if '%choice%'=='a' goto 790_Windows_7_Basic echo "%choice%" is not a valid (answer/command) echo. goto start :790_Windows_7_Basic REM DISKPART /s %SecondPath%BatchFiles\Make-Partition.txt %SecondPath%imagex.exe /apply %SecondPath%Images\Win7-64b-Ent-Basic-SysPreped.wim 1 o:\ /verify %SecondPath%bcdboot.exe o:\Windows /s S: Copy %SecondPath%Unattended\unattend.XML o:\Windows\System32\sysprep\unattend.XML /y xcopy %SecondPath%Drivers\790\*.* o:\Windows\INF\790\ /E /Q /Y MD o:\Windows\Setup\Scripts\ Copy %SecondPath%BatchFiles\SetupComplete.cmd o:\Windows\Setup\Scripts\ /y Goto Done :Done Exit

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  • How to gain Access to member variables of a class using void pointer but Not Object

    - by mahesh
    Hi, I am trying to access member variables of a class without using object. please let me know how to go about. class TestMem { int a; int b; public: TestMem(){} void TestMem1() { a = 10; b = 20; } }; void (TestMem::*pMem)(); int main(int argc, char* argv[]) { TestMem o1; pMem = &(TestMem::TestMem1); void *p = (void*)&pMem; // How to access a & b member variables using variable p getch(); return 0; }

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  • iphone not displaying array variables correctly

    - by Rob
    I was reading a tutorial on how to do a UIPicker and found this code: - (IBAction)buttonPressed { NSInteger row = [userPicker selectedRowInComponent:0]; NSString *selected = [userPickerData objectAtIndex:row]; NSString *title = [[NSString alloc] initWithFormat:@"You selected %a", selected]; UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:@"Thank you for Choosing." delegate:nil cancelButtonTitle:@"You're Welcome" otherButtonTitles:nil]; [alert show]; [alert release]; [title release]; } - (void)viewDidLoad { // [super viewDidLoad]; NSArray *array = [[NSArray alloc] initWithObjects:@"New", @"Frank", @"Bob", @"Thor", nil]; self.userPickerData = array; [array release]; } The UIPicker displays correctly and the variables in the picker also display correctly. When the button is pressed then the alert message does come up but it says, "You selected.." and then it's a bunch of gibberish. Why aren't the array variables being passed correctly?

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  • C++ this as thread parameter, variables unavailable

    - by brecht
    I have three classes: class Rtss_Generator { int mv_transfersize; } class Rtss_GenSine : Rtss_Generator class Rtss_GenSineRpm : Rtss_GenSine Rtss_GenSine creates a thread in his constructer, it is started immediatly and the threadfunction is off-course declared static, waiting for an event to start calculating. the problem: all the variables that are accessed through the gen-pointer are 0, but it does not fail. Also, this-address in the constructer and the gen-pointer-address in the thread are the same, so the pointer is ok. this code is created and compile in visual studio 6.0 service pack 2003 ORIGINAL CODE no thread Rtss_GenSine::getNextData() { //[CALCULATION] //mv_transferSize is accessible and has ALWAYS value 1600 which is ok } NEW CODE Rtss_GenSine::Rtss_GenSine() { createThread(NULL, threadFunction, (LPVOID) this,0,0); } Rtss_GenSine::getNextData() { SetEvent(startCalculating); WaitForSingleObject(stoppedCalculaing, INFINITE); } DWORD Rtss_GenSine::threadFunction(LPVOID pParam) { Rtss_GenSine* gen = (Rtss_GenSine*) pParam; while(runThread) { WaitForSingleObject(startCalculating, INFINITE); ResetEvent(startCalculating) //[CALCULATION] //gen->mv_transferSize ---> it does not fail, but is always zero //all variables accessed via the gen-pointer are 0 setEvent(stoppedCalculaing) } }

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  • Is there a LocalAppData Environement Variable in Windows 2003?

    - by brendan
    Per this question I need to call via code the following paths: Windows 2003: C:\Documents and Settings\Administrator\Local Settings\Application Data\Google\Chrome\Application\chrome.exe Windows 2008: C:\Users\Administrator\AppData\Local\Google\Chrome\Application\chrome.exe Ideally I could use the environment variable %localdata%\Google\Chrome\Application\chrome.exe but this does not work for me in Windows 2003. Should it? How can I refer to this path in both systems using environment variables?

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  • Only variables can be passed by reference

    - by zaf
    I had the bright idea of using a custom error handler which led me down a rabbit hole. Following code gives (with and without custom error handler): Fatal error: Only variables can be passed by reference function foo(){ $b=array_pop(array("a","b","c")); return $b; } print_r(foo()); Following code gives (only with a custom error handler): (2048) Only variables should be passed by reference function foo(){ $a=explode( '/' , 'a/b/c'); $c=array_pop(array_slice($a,-2,1)); return $c; } print_r(foo()); The second one worries me since I have a lot of 'compact' code. So, I either ditch the bright idea of using a custom error handler (to improve my logging module) or expand all my code. Anyone with better ideas? Also, WTF?

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  • spring security filter-chain regex pattern

    - by lewap
    In my application which uses spring security I want to define two different areas both using their own spring security filter-chain. My question is: is it possible to define two regex expressions as follows: every path starting with /foobar/* every other path not starting with /foobar The important part here is that the second path should also match if somewhere within it, but not in the beginning, it cotains the /foobar/ string. Thanks

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  • SED, using variables and in with an array

    - by S1syphus
    What I am trying to do is run the sed on multiple files in the directory Server_Upload, using variables: AB${count} Corresponds, to some variables I made that look like: echo " AB1 = 2010-10-09Three " echo " AB2 = 2009-3-09Foo " echo " AB3 = Bar " And these correspond to each line which contains a word in master.ta, that needs changing in all the text files in Server_Upload. If you get what I mean... great, I have tried to explain it the best I can, but if you are still miffed I'll give it another go as I found it really hard to convey what I mean. cd Server_Upload for fl in *.UP; do mv $fl $fl.old done count=1 saveIFS="$IFS" IFS=$'\n' array=($(<master.ta)) IFS="$saveIFS" for i in "${array[@]}" do sed "s/$i/AB${count}/g" $fl.old > $fl (( count++ )) done It runs, doesn't give me any errors, but it doesn't do what I want, so any ideas?

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  • setting actionscript 3 superclass variables

    - by jedierikb
    In AS3, if I have a class such: public class dude { //default value for a dude protected var _strength:Number = 1; public function dude( ):void { super( ); //todo... calculate abilities of a dude based on his strength. } } and a subclass public class superDude extends dude { public function superDude( ):void { _strength = 100; super( ); trace( "strength of superDude: " + _strength ); } } This will trace strength of superDude is 1. I expected the variable I set in the subclass (prior to calling the superclass constructor) to remain. Is there a way to assign class variables in subclass constructors which are not over-written by the superclass construtor? Or should I pass them up as constructor variables?

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