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How to pass arguments into a Rake task with environment in Rails? [duplicate]
...his is overly complicated.
Also, if you do it this way in zsh, you'll get errors if the brackets in your array aren't escaped with '\'.
I recommend using the ARGV array, which works fine, is much simpler, and is less prone to error. E.g:
namespace :my_example do
desc "Something"
task :my_task...
How do I use cascade delete with SQL Server?
...is table, not from this table. Even after deleting all FK's I still get an error
– aggie
Nov 30 '15 at 19:29
...
How To fix white screen on app Start up?
...
@Hagai L It's give me an error like as "java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity."
– TejaDroid
May 27 '16 at 9:46
...
Capture characters from standard input without waiting for enter to be pressed
...ios old = {0};
if (tcgetattr(0, &old) < 0)
perror("tcsetattr()");
old.c_lflag &= ~ICANON;
old.c_lflag &= ~ECHO;
old.c_cc[VMIN] = 1;
old.c_cc[VTIME] = 0;
if (tcsetattr(0, TCSANOW, &old) < 0)
perror("...
Initialize a long in Java
...ormed.
Try this
byte a = 1; // declare a byte
a = a*2; // you will get error here
You get error because 2 is by default int.
Hence you are trying to multiply byte with int.
Hence result gets typecasted to int which can't be assigned back to byte.
...
How do I maintain the Immersive Mode in Dialogs?
...ld do this in onCreateDialog(), we would get a requestFeature()
// error.
getDialog().getWindow().getDecorView().setSystemUiVisibility(
getActivity().getWindow().getDecorView().getSystemUiVisibility()
);
// Make the dialogs window focusable again.
...
Can't install Ruby under Lion with RVM – GCC issues
...Proxy on a clean Lion installation on Xcode from App Store
I kept getting errors like :
The provided CC(/usr/bin/gcc) is LLVM based.
bash-3.2$ rvm install 1.9.3
ERROR: The provided CC(/usr/bin/gcc) is LLVM based, it is not yet fully supported by ruby and gems, please read `rvm requirements`.
Af...
How can I determine if a .NET assembly was built for x86 or x64?
...
I get the following error trying to use PowerShell: Exception calling "GetAssemblyName" with "1" argument(s): "Could not load file or assembly '[DLLName].dll' or one of its dependencies. The system cannot find the file specified." (Yes, I've spe...
FileSystemWatcher vs polling to watch for file changes
...ames and events, so increase it to the expected amount of files (trial and error). It does use memory that cannot be paged out, so it could force other processes to page if memory gets low.
Here is the MSDN article on buffer :
FileSystemWatcher..::.InternalBufferSize Property
Per MSDN:
Incre...
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...