Posts

exception handling - visual studio 2015 wdk 10 command line error -

i following guide https://msdn.microsoft.com/en-us/library/windows/hardware/hh439665(v=vs.85).aspx i using visual studio 2015 wdk 10. however, when trying build solution (step 14), following error: command-line error: exception handling option can used when compiling c++ in line 1 any ideas ? thank you it's simple. there bug in vs 2015. need wait vs 2015 update 1, there no workaround.

rascal - Is there a construct like `Either`/`Validation`? -

for use case want have either successful result (with value) xor failed result list of errors. in haskell use either this, in scalaz have validation . there construct in rascal this? is see maybe available, hope either well. at moment support maybe in library, write own either if want. useful addition our library.

Looping through user input and reversing character array in C? -

i trying user's input while loop character array (this array can have maximum length of 255 characters). here have far, nothing happens once press enter after entering data. #include <stdio.h> int main() { char inputstring[255]; printf("enter line of text 255 characters\n"); int = 0; while(i <= 255) { scanf(" %c", inputstring); i++; } // display reversed string int x; for(x = 255; x >= 0; --x) { printf("%c", inputstring[x]); } return 0; } i new c , don't understand wrong code. thanks in advanced. eg: " hello world! " should print " !dlrow olleh " you got except 2 things the indices in c go 0 n - 1 , instead of int = 0; while(i <= 255) { it should be for (int = 0 ; < sizeof(inputstring) ; ++i) { as can see loop goes i == 0 i == 254 or i < 255 , not i <= 255 . same goes reverse loop, should start @ siz...

Javascript help using helper function random button to display 1 of 5 different input boxes? -

i create 1 set of 5 input boxes using submit button produce results producing random mad lib. 1.)create submit button when clicked randomly chooses number runs mad lib 2.)without changing page creates boxes according mad lib 3.) gets user input 4.)prints out mad lib .is document.addeventlistener("domcontentloaded",init); function init(){ var randombutton = document.createelement('button'); randombutton.innerhtml ="random"; randombutton.addeventlistener("click", random); document.getelementbyid("displayarea"); } function random(){ var randomnumber = math.random(); randomnumber *= 10; randomnumber = math.floor(randomnumber); randomnumber = randomnumber % 7; console.log(randomnumber); if(randomnumber==1){ var userdataobject = buildingmadlib0(); var madlib0 = madlib0(userdataobject); var displayarea = document.getelementbyid("madlib0"); displayarea.innerhtml = madlid0; }else if(randomnumber==2){ var userd...

android - What happens to a Fragment once it's removed or replaced? -

android documentation doesn't seem have on it, other stating fragment removed once transaction committed. fragment gone? in metaphysical sense? or exist somewhere still, able called when needed? if so, how call it? as more pragmatic question, if have activity contains 1 fragment view , multiple fragments go view, there way reference fragments other recent 1 on stack (for question purposes, assuming they're placed on there) when remove or detach fragment doesn't removed project, can attch activity. but once pop fragment stack , destroy, can't revoked. because when destroy fragments, cleanup function being called cleans every part of fragment.

python - How to store socket object in google app engine Datastore (aka can I pickle a socket object) -

i need store socket object datastore/memcache in gae python based app. the approach taking 1. use pickle.dumps convert socket object string 2. when needed retrieve string , unpickle using pickle.loads(<pickledsock>) complete error message below, main part is: typeerror: __init__() got unexpected keyword argument '_sock' does mean can't use above approach because "unpickling" won't work? ssl_sock2use=pickle.loads(pickledsock) file "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/pickle.py", line 1382, in loads return unpickler(file).load() file "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/pickle.py", line 858, in load dispatch[key](self) file "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/pickle.py", line 1217, in load_build setstate(state) file "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/socket.py", line 181, in __s...

JavaScript Console Output to Single Line with For and While Loop -

i need figure out how output list of numbers in loop console. however, output console must in same line, opposed cascading down page every new number. below, have 2 separate blocks of code accomplish same thing. 1 uses while loop , other uses loop. if there's difference between being able accomplish in loop versus while loop, i'd know well. thank you. while loop var number = 2; while (number <=10) { console.log(number++); number = number + 1; } for loop for (var number = 2; number <= 10; number = number + 2) console.log(number); while: var number = 2, output = []; while (number <=10) { output.push(number++); number = number + 1; } console.log.apply(console, output); for: var number, output=[]; (number = 2; number <= 10; number = number + 2) { output.push(number); } console.log.apply(console, output); note, recommend don't for(var x... - gives false sense of scope var x - that's opinion on part