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MySQL Query - Records between Today and Last 30 Days
...ecords that were added to the database within the last 30 days. I need to convert the date to mm/dd/yy because of display purposes.
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Clang vs GCC for my Linux Development project
...Clang's extremely clear diagnostics are definitely easier for beginners to interpret.
Consider this simple snippet:
#include <string>
#include <iostream>
struct Student {
std::string surname;
std::string givenname;
}
std::ostream& operator<<(std::ostream& out, Student c...
Why can't an anonymous method be assigned to var?
...
Others have already pointed out that there are infinitely many possible delegate types that you could have meant; what is so special about Func that it deserves to be the default instead of Predicate or Action or any other possibility? And, for la...
ImageView - have height match width?
... Library 26.0.0. This is the new way to do it:
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:layout_width="wrap_content"
android:layout_height="0dp"
app:layout_c...
What does “yield break;” do in C#?
...unction as an iterator, the body of the function may look like this:
for (int i = 0; i < 5; i++)
{
yield return i;
}
Console.Out.WriteLine("You will see me");
Note that after the loop has completed all its cycles, the last line gets executed and you will see the message in your console ap...
Why should I use var instead of a type? [duplicate]
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I don't agree with this point at all - the compiler may generate the same bytecode for both but from a code readability/maintenance point of view surely its better for variables to be clearly typed - it avoids ambiguity and makes it clearer to read an...
Syntax of for-loop in SQL Server
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It interesting to note the the MS documentation is wrong here, really. WHILE doesn't take a boolean expression - it takes a predicate - which in addition to being able to evaluate to TRUE or FALSE, could also be UNKNOWN.
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How to get month name from Calendar
Is there a oneliner to get the name of the month when we know int monthNumber = calendar.get(Calendar.MONTH) ? Or what is the easiest way?
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Is it Linq or Lambda?
... hood. The first is meant to be more user friendly/easier and the compiler converts it to method calls behind the scenes. They should work the same for any given query though of course the compiler may choose a sligthly different interpretation of a complicated linq query than you would when convert...
Difference between class and type
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A class is a type. An interface is a type. A primitive is a type. An array is a type.
Therefore, every type is also either a class (including an enum constant), an interface, a primitive, or an array.
There are two distinct categories of types:...