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Why does 'git commit' not save my changes?
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Peter BoughtonPeter Boughton
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Set the layout weight of a TextView programmatically
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Dorje
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answered Jul 11 '10 at 19:33
MacarseMacarse
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Format number to 2 decimal places
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Truncate always "rounds" down. 1.999 truncated to 2 DP would be 1.99 where 2.00 would mathematically be more correct. If that's not a problem then truncate's fine but you should be aware of it.
– GordonM
Apr 24 '15 at ...
What does “abstract over” mean?
... def add(a: Product, b: Product) = Product(a.value * b.value)
}
val sumOf123 = mapReduce(List(1,2,3), Sum)
val productOf456 = mapReduce(List(4,5,6), Product)
We have abstracted over monoids and foldables.
share
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How to print a int64_t type in C
C99 standard has integer types with bytes size like int64_t. I am using the following code:
6 Answers
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What is 'Context' on Android?
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123
A Context is a handle to the system; it provides services like resolving resources, obtaining ...
How do I generate random numbers in Dart?
...dom = new Random();
int randomNumber = random.nextInt(100); // from 0 upto 99 included
If you want to add the min limit, add the min limit to the result
int randomNumber = random.nextInt(90) + 10; // from 10 upto 99 included
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What do
...use it with a Foo containing something other than a String:
scala> Foo(123).getStringLength
<console>:9: error: could not find implicit value for parameter evidence: =:=[Int,String]
You can read that error as "could not find evidence that Int == String"... that's as it should be! getStri...
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 wor...
Shared-memory objects in multiprocessing
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123
If you use an operating system that uses copy-on-write fork() semantics (like any common unix)...