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Quick way to create a list of values in C#?
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Check out C# 3.0's Collection Initializers.
var list = new List<string> { "test1", "test2", "test3" };
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How do I check if string contains substring? [duplicate]
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if (~str.indexOf("Yes"))
This works because indexOf() returns -1 if the string wasn't found at all.
Note that this is case-sensitive.
If you want a case-insensitive search, you can write
if (str.toLowerCase().indexOf("yes") >= 0)
Or:
if (/yes/i.test(str))
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Kotlin secondary constructor
...1. (solves your case) Define a factory method next to your class
fun C(s: String) = C(s.length)
class C(a: Int) { ... }
usage:
val c1 = C(1) // constructor
val c2 = C("str") // factory method
Technique 2. (may also be useful) Define default values for parameters
class C(name: String? = null) ...
Parsing a JSON string in Ruby
I have a string that I want to parse in Ruby:
8 Answers
8
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In Java 8 how do I transform a Map to another Map using a lambda?
... to rewrite a very simple thing I wrote recently. I need to turn a Map of String to Column into another Map of String to Column where the Column in the new Map is a defensive copy of the Column in the first Map. Column has a copy constructor. The closest I've got so far is:
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Editing dictionary values in a foreach loop
...fter you've finished iterating.
For example:
Copying keys first
List<string> keys = new List<string>(colStates.Keys);
foreach(string key in keys)
{
double percent = colStates[key] / TotalCount;
if (percent < 0.05)
{
OtherCount += colStates[key];
colS...
How to navigate a few folders up?
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Other simple way is to do this:
string path = @"C:\Folder1\Folder2\Folder3\Folder4";
string newPath = Path.GetFullPath(Path.Combine(path, @"..\..\"));
Note This goes two levels up. The result would be:
newPath = @"C:\Folder1\Folder2\";
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How do I use boolean variables in Perl?
...think you wanted to imply a list with an element that consists of an empty string (even though parens don't create lists), but as I've already mentioned, it's impossible to check if a list is true of false.
– ikegami
Apr 13 '11 at 20:42
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How do I convert CamelCase into human-readable names in Java?
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This works with your testcases:
static String splitCamelCase(String s) {
return s.replaceAll(
String.format("%s|%s|%s",
"(?<=[A-Z])(?=[A-Z][a-z])",
"(?<=[^A-Z])(?=[A-Z])",
"(?<=[A-Za-z])(?=[^A-Za-z])"
),
" "...
Removing fields from struct or hiding them in JSON Response
...ing would want, but it's not the answer to the question.
I'd use a map[string]interface{} instead of a struct in this case. You can easily remove fields by calling the delete built-in on the map for the fields to remove.
That is, if you can't query only for the requested fields in the first pla...