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How to check if current thread is not main thread
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721
Looper.myLooper() == Looper.getMainLooper()
if this returns true, then you're on the UI threa...
Is it possible to start a shell session in a running container (without ssh)
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289
EDIT: Now you can use docker exec -it "id of running container" bash (doc)
Previously, the an...
Using boolean values in C
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From best to worse:
Option 1 (C99)
#include <stdbool.h>
Option 2
typedef enum { false, true } bool;
Option 3
typedef int bool;
enum { false, true };
Option 4
typedef int bool;
#define true 1
#define false 0
Explanation
Option 1 will work only if you use C99 and it's the "stand...
Use of ~ (tilde) in R programming Language
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2 Answers
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Should a function have only one return statement?
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How to check for an active Internet connection on iOS or macOS?
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Why can I initialize a List like an array in C#?
...locks are roughly identical:
List<int> a = new List<int> { 1, 2, 3 };
And
List<int> temp = new List<int>();
temp.Add(1);
temp.Add(2);
temp.Add(3);
List<int> a = temp;
You can call an alternate constructor if you want, for example to prevent over-sizing the List<...
Best way to work with transactions in MS SQL Server Management Studio
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2 Answers
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Java: Calling a super method which calls an overridden method
...in the future.
That means there is no direct way to call SuperClass.method2() from SuperClass.method1() without going though SubClass.method2() unless you're working with an actual instance of SuperClass.
You can't even achieve the desired effect using Reflection (see the documentation of java.lan...
Python Mocking a function from an imported module
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2 Answers
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