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How do I parse a string into a number with Dart?
I would like to parse strings like "1" or "32.23" into integers and doubles. How can I do this with Dart?
5 Answers
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Is there a C# type for representing an integer Range?
I have a need to store an integer range. Is there an existing type for that in C# 4.0?
10 Answers
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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
...ype float are passed as variadic parameters, such arguments are implicitly converted to type double. This is the reason why in printf format specifiers %f and %lf are equivalent and interchangeable. In printf you can "cross-use" %lf with float or %f with double.
But there's no reason to actually do...
How to determine the longest increasing subsequence using dynamic programming?
I have a set of integers. I want to find the longest increasing subsequence of that set using dynamic programming.
19 Ans...
What is the best algorithm for overriding GetHashCode?
...Pick two different prime numbers, e.g. 17 and 23, and do:
public override int GetHashCode()
{
unchecked // Overflow is fine, just wrap
{
int hash = 17;
// Suitable nullity checks etc, of course :)
hash = hash * 23 + field1.GetHashCode();
hash = hash * 23 + fi...
Call one constructor from another
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Like this:
public Sample(string str) : this(int.Parse(str)) { }
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How To: Best way to draw table in console app (C#)
I have an interesting question.
Imagine I have a lot of data changing in very fast intervals.
I want to display that data as a table in console app. f.ex:
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What are the differences between a multidimensional array and an array of arrays in C#?
... always slower.
Consider the following methods:
static void SetElementAt(int[][] array, int i, int j, int value)
{
array[i][j] = value;
}
static void SetElementAt(int[,] array, int i, int j, int value)
{
array[i, j] = value;
}
Their IL will be the following:
.method private hidebysig s...
What limits does scala place on the “acceptable complexity” of inferred types?
... -> (1 to 10), 2 -> (1 to 10).toList)
scala.collection.immutable.Map[Int,scala.collection.immutable.Seq[Int] with scala.collection.AbstractSeq[Int] with Serializable{def reverse: scala.collection.immutable.Seq[Int] with scala.collection.AbstractSeq[Int]{def reverse: scala.collection.immutable....
How to use ADB to send touch events to device using sendevent command?
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If you don't want to have to convert the hex to decimal, you can let your shell do it: adb shell input tap $((16#2f5)) $((16#69e)). Also, just to be pedantic, 0x2F5 and 0x69E are 757 and 1694 respectively... What did you use to convert between bases?
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