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How to print a percentage value in python?
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so in f-string style it will be f"{1/3.0:.1%}"
– Kubas
Feb 26 '19 at 13:58
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Sorting an array of objects by property values
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You can use string1.localeCompare(string2) for string comparison
– bradvido
May 27 '14 at 13:51
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Are C# events synchronous?
...rs? answer (by trying): the last subscriber.
public event Func<int, string> OnCall;
private int val = 1;
public void Do()
{
if (OnCall != null)
{
var res = OnCall(val++);
Console.WriteLine($"publisher got back a {res}");
}
}...
cannot convert data (type interface {}) to type string: need type assertion
... example, you were asserting data (type interface{}) has the concrete type string. If you are wrong, the program will panic at runtime. You do not need to worry about efficiency, checking just requires comparing two pointer values.
If you were unsure if it was a string or not, you could test using ...
REST API Best practices: args in query string vs in request body
...g for you.
You might also want to check the wikipedia article about query string, especially the first two paragraphs.
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php is null or empty?
...ote the ===.
When use ==, as you did, PHP treats NULL, false, 0, the empty string, and empty arrays as equal.
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What is a JavaBean exactly?
... @worldsayshi - No, it's not required. For example a bean can contain a String; and String is not a bean. (String is immutable, so you cannot create it by calling an empty constructor and a setter.) It seems reasonable that a Serializable object should have Serializable members, unless it somehow...
Populate data table from data reader
... {
SqlConnection conn = null;
try
{
string connString = ConfigurationManager.ConnectionStrings["NorthwindConn"].ConnectionString;
conn = new SqlConnection(connString);
string query = "SELECT * FROM Customers";
SqlCommand cmd ...
How to use Comparator in Java to sort
...ator<T>:
public class ComparatorDemo {
public static void main(String[] args) {
List<Person> people = Arrays.asList(
new Person("Joe", 24),
new Person("Pete", 18),
new Person("Chris", 21)
);
Collections.sort(pe...
Truncate number to two decimal places without rounding
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Convert the number into a string, match the number up to the second decimal place:
function calc(theform) {
var num = theform.original.value, rounded = theform.rounded
var with2Decimals = num.toString().match(/^-?\d+(?:\.\d{0,2})?/)[0]
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