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How do I define and use an ENUM in Objective-C?

...tate thePlayerState; and used the variable in my methods. But I am getting errors stating that it is undeclared. How do I correctly declare and use a variable of type PlayerState in my methods?: ...
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How to Find And Replace Text In A File With C#

...eplacements, but Regex.Replace or String.Replace could cause out of memory error if you do many replaces in a large file. The second is by reading the temp file line by line and manually building each line using StringBuilder and appending each processed line to the result file. This method was pre...
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View's SELECT contains a subquery in the FROM clause

... Looks to me as MySQL 3.6 gives the following error while MySQL 3.7 no longer errors out. I am yet to find anything in the documentation regarding this fix. share | impr...
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In Python, how do I determine if an object is iterable?

...rts it being iterable but actually trying to iterate it causes an AttributeError (tested with Faker 4.0.2): >>> from faker import Faker >>> fake = Faker() >>> iter(fake) # No exception, must be iterable <iterator object at 0x7f1c71db58d0> >>> list(fake) ...
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Should I use AppDomain.CurrentDomain.BaseDirectory or System.Environment.CurrentDirectory?

...remote (terminal services) session and exe2 failed to run 'File not found' error, yet exe1 was in the same directory when we checked. So should I be using AppDomain.CurrentDomain.BaseDirectory or System.Environment.CurrentDirectory ? ...
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Checking for the correct number of arguments

...output usage to stderr and exit with a failure status code. More friendly error reporting: #!/bin/sh if [ "$#" -ne 1 ]; then echo "Usage: $0 DIRECTORY" >&2 exit 1 fi if ! [ -e "$1" ]; then echo "$1 not found" >&2 exit 1 fi if ! [ -d "$1" ]; then echo "$1 not a directory" &g...
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How bad is shadowing names defined in outer scopes?

...tart having weird behaviour - where you would have a much more obvious NameError if you didn't have a global name data. Also remember that in Python everything is an object (including modules, classes and functions) so there's no distinct namespaces for functions, modules or classes. Another scena...
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Checking in packages from NuGet into version control?

...; In each project.csproj file <Target Name="BeforeBuild"> <Error Condition="!Exists('..\Packages\')" Text="You must run > msbuild build.msbuild to download required NuGet Packages" /> <!-- optional for project that has JavaScript content --> <ReadLinesFromF...
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What is Model in ModelAndView from Spring MVC?

... if(b) { return new ModelAndView("registerPage","errorMessage","Registered Successfully!"); } else { return new ModelAndView("registerPage","errorMessage","ERROR!!"); } } /* "registerPage" is the .jsp page -> which will viewe...
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Is it true that one should not use NSLog() on production code?

...t at runtime, so debug messages are not shown in your release version, but error messages are (if you did this you could make DebugLog(), WarningLog(), and so on). Oh, and keep in mind #define DEBUG_MODE can be re-used in different places in your application. For example, in my application I use it...