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Rails.env vs RAILS_ENV
...ctiveSupport::StringInquirer.new(RAILS_ENV)
end
But, look at specifically how it's wrapped, using ActiveSupport::StringInquirer:
Wrapping a string in this class gives
you a prettier way to test for
equality. The value returned by
Rails.env is wrapped in a
StringInquirer object s...
How can I add reflection to a C++ application?
...erate the data about each field(plus the field itself). This macro will be called like this:
REFLECTABLE
(
(const char *) name,
(int) age
)
So using Boost.PP we iterate over each argument and generate the data like this:
// A helper metafunction for adding const to a type
template<cla...
how to get the current working directory's absolute path from irb
...low. This only returns the current working directory of the shell which is calling the script (just like pwd), which might be somewhere completely different than where the script file is located.
– GDP2
Feb 18 at 19:29
...
Android dismiss keyboard
...and moreover it's using EditText as a parameter. This is my solution, just call this simple method:
private void hideSoftKeyBoard() {
InputMethodManager imm = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);
if(imm.isAcceptingText()) { // verify if the soft keyboard is open ...
How to Deal with Temporary NSManagedObject instances?
...dd new objects, mutate them, etc.
When it comes time to save, you need to call [tempContext save:...] on the tempContext, and handle the save notification to merge that into your original context. To discard the objects, just release this temporary context and forget about it.
So when you save th...
PHP Multidimensional Array Searching (Find key by specific value)
... }catch (Exception $e) {
return false;
}
}
and call function.
print_r(searchThroughArray('breville-one-touch-tea-maker-BTM800XL',$products));
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Is HttpClient safe to use concurrently?
... the examples I can find of usages of HttpClient , it is used for one off calls. But what if I have a persistent client situation, where several requests can be made concurrently? Basically, is it safe to call client.PostAsync on 2 threads at once against the same instance of HttpClient .
...
What really happens in a try { return x; } finally { x = null; } statement?
... .maxstack 1
.locals init (
[0] int32 CS$1$0000)
L_0000: call int32 Program::SomeNumber()
L_0005: stloc.0
L_0006: leave.s L_000e
L_0008: call void Program::Foo()
L_000d: endfinally
L_000e: ldloc.0
L_000f: ret
.try L_0000 to L_0008 finally handler L_0...
What is the proper declaration of main?
...
The main function cannot be used in your program: you are not allowed to call the main function from anywhere in your code, nor are you allowed to take its address.
The return type of main must be int. No other return type is allowed (this rule is in bold because it is very common to see incorre...
Help with C# generics error - “The type 'T' must be a non-nullable value type”
...int required by Nullable<T> itself. In other words, you could try to call:
CoalesceMax<string>(...)
which wouldn't make sense, as Nullable<string> isn't valid.
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