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What does the M stand for in C# Decimal literal notation?
...
"c" conflicts with the character literal for strings in VB.Net, though even there the grammar is a little different.
– Joel Coehoorn
Jun 10 '09 at 19:39
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How to use the pass statement?
...(including just a term to be evaluated, like the Ellipsis literal ... or a string, most often a docstring) can be used, but the pass makes clear that indeed nothing is supposed to happen, and does not need to be actually evaluated and (at least temporarily) stored in memory.
Ignoring (all or) a ce...
Iterating through directories with Python
...rences, such as the path library returns specific path classes rather than strings, and the available functions differ between the libraries (e.g. os.path.expanduser('~') vs Path.home()). Browse through the documentation and see which approach you prefer.
– joelostblom
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Why are Where and Select outperforming just Select?
...e execution of where+select vs select with same results.
static void Main(string[] args)
{
int total = 10000000;
Random r = new Random();
var list = Enumerable.Range(0, total).Select(i => r.Next(0, 5)).ToList();
for (int i = 0; i < 40000...
How to remove a field from params[:something]
My registration form, which is a form for the Users model, takes a string value for company. However, I have just made a change such that users belongs_to companies. Therefore, I need to pass an object of Company to the Users model.
...
How do different retention policies affect my annotations?
...ionPolicy.RUNTIME)
@interface RetentionRuntime {}
public static void main(String[] args) {
@RetentionSource
class B {}
assert B.class.getAnnotations().length == 0;
@RetentionClass
class C {}
assert C.class.getAnnotations().length == 0;
@RetentionRuntime
class D {}
...
How to properly check if std::function is empty in C++11?
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Your result strings are swapped.
– Sophit
Nov 21 '19 at 21:19
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What are the advantages of using a schema-free database like MongoDB compared to a relational databa
...code :
class Setting
include MongoMapper::Document
key :news_search, String, :required => true
key :is_availaible_for_iphone, :required => true, :default => false
belongs_to :movie
end
Adding a key is just adding a line of code !
There are also other advantages that will appea...
How do I get an apk file from an Android device?
...On more recent versions of Android (Oreo and Pie), an unpredictable random string is appended. The following sequence of commands is what worked for me on a non-rooted device:
1) Determine the package name of the app, e.g. "com.example.someapp". Skip this step if
you already know the package name.
...
Difference between passing array and array pointer into function in C
...is the operand of the sizeof operator or the unary & operator, or is a
string literal used to initialize an array, an expression that has type ‘‘array of type’’ is
converted to an expression with type ‘‘pointer to type’’ that points to the initial element of
the array object and ...