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Return first match of Ruby regex
I'm looking for a way to perform a regex match on a string in Ruby and have it short-circuit on the first match.
5 Answers
...
Check if a number has a decimal place/is a whole number
...e numerical value of the number, regardless of format. It treats numerical strings containing whole numbers with a fixed decimal point the same as integers:
'10.0' % 1; // returns 0
10 % 1; // returns 0
'10.5' % 1; // returns 0.5
10.5 % 1; // returns 0.5
...
How do I declare and initialize an array in Java?
...25,36,85,28,96,47).sorted().toArray(); // Sort
For classes, for example String, it's the same:
String[] myStringArray = new String[3];
String[] myStringArray = {"a", "b", "c"};
String[] myStringArray = new String[]{"a", "b", "c"};
The third way of initializing is useful when you declare the ar...
Converting a Java collection into a Scala collection
...port scala.collection.JavaConversions._
val list = new java.util.ArrayList[String]()
list.add("test")
val set = list.toSet
set is a scala.collection.immutable.Set[String] after this.
Also see Ben James' answer for a more explicit way (using JavaConverters), which seems to be recommended now.
...
Connection string using Windows Authentication
...he username and password with Integrated Security=SSPI;
So the connection string should be
<connectionStrings>
<add name="NorthwindContex"
connectionString="data source=localhost;
initial catalog=northwind;persist security info=True;
Integrated Security=SSPI;"
providerNam...
Is there any algorithm in c# to singularize - pluralize a word?
...
I can do it for Esperanto, with no special cases!
string plural(string noun) { return noun + "j"; }
For English, it would be useful to become familiar with the rules for Regular Plurals of Nouns, as well as Irregular Plurals of Nouns. There is a whole Wikipedia article on ...
Assigning out/ref parameters in Moq
...eems to work for me.
public interface IService
{
void DoSomething(out string a);
}
[TestMethod]
public void Test()
{
var service = new Mock<IService>();
var expectedValue = "value";
service.Setup(s => s.DoSomething(out expectedValue));
string actualValue;
service....
How to see if an NSString starts with a certain other string?
I am trying to check to see if a string that I am going to use as URL starts with http. The way I am trying to check right now doesn't seem to be working. Here is my code:
...
Is there an IDictionary implementation that, on missing key, returns the default value instead of th
... to get default value if key is not there in a dictionary.
Dictionary<string, string> colorData = new Dictionary<string, string>();
string color = colorData.GetValueOrDefault("colorId", string.Empty);
share
...
Does Spring Data JPA have any way to count entites using method name resolving?
...ository extends CrudRepository<User, Integer> {
Long countByName(String name);
}
2) The old way, Using @Query annotation.
Example,
public interface UserRepository extends CrudRepository<User, Integer> {
@Query("SELECT COUNT(u) FROM User u WHERE u.name=?1")
Long aMethodNa...