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Limits of Nat type in Shapeless
...n example of a Concat type class that allows to concatenate two type-level strings via a macro. A type class for summing type-level integers would probably look very similar.
– Frank S. Thomas
Apr 16 '16 at 15:57
...
Efficient way to remove keys with empty strings from a dict
...dict and would like to remove all the keys for which there are empty value strings.
17 Answers
...
How to empty a list in C#?
...you mean a List<T>, then the Clear method is what you want:
List<string> list = ...;
...
list.Clear();
You should get into the habit of searching the MSDN documentation on these things.
Here's how to quickly search for documentation on various bits of that type:
List Class - provid...
How do I trim whitespace from a string?
How do I remove leading and trailing whitespace from a string in Python?
12 Answers
12...
How add “or” in switch statements?
...m 3=Large");
Console.Write("Please enter your selection: ");
string s = Console.ReadLine();
int n = int.Parse(s);
int cost = 0;
switch(n)
{
case 1:
cost += 25;
break;
case 2: ...
How do I set up HttpContent for my HttpClient PostAsync second parameter?
...to use one the classes derived from it depending on your need. Most likely StringContent, which lets you set the string value of the response, the encoding, and the media type in the constructor. See: http://msdn.microsoft.com/en-us/library/system.net.http.stringcontent.aspx
...
How to export DataTable to Excel
... code, to convert DataTable to excel file as csv:
var lines = new List<string>();
string[] columnNames = dataTable.Columns
.Cast<DataColumn>()
.Select(column => column.ColumnName)
.ToArray();
var header = string.Join(",", columnNames.Select(name => $"\"{name}\""));
l...
How to calculate “time ago” in Java?
...android you can use this: android.text.format.DateUtils#getRelativeTimeSpanString()
– Somatik
Nov 10 '11 at 9:59
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How does this giant regex work?
...
@Peter: try print_r($replacement_string);. I feel dirty now. Basically, it translates to eval(gzinflate(base64_decode(etc))); That etc is a whole mess of php code encoded in base 64. Functions are error-escaped. eval($_POST) everywhere.
...
How to convert an iterator to a stream?
...tor from the Iterator and use that as a basis for your stream:
Iterator<String> sourceIterator = Arrays.asList("A", "B", "C").iterator();
Stream<String> targetStream = StreamSupport.stream(
Spliterators.spliteratorUnknownSize(sourceIterator, Spliterator.ORDERED),
fals...