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Where is the documentation for the values() method of Enum?
...s()) {
System.out.println(m);
}
you will see
public static test.Sex test.Sex.valueOf(java.lang.String)
public static test.Sex[] test.Sex.values()
These are all public methods that "sex" class has. They are not in the source code, javac.exe added them
Notes:
never use sex as a c...
In C#, how to instantiate a passed generic type inside a method?
... factory class to build your object with compiled lamba expression: The fastest way I've found to instantiate generic type.
public static class FactoryContructor<T>
{
private static readonly Func<T> New =
Expression.Lambda<Func<T>>(Expression.New(typeof (T))).Com...
Get a list of URLs from a site [closed]
...es (some may also support other formats).
Please Note: Google has not tested or verified the features or
security of the third party software listed on this site. Please
direct any questions regarding the software to the software's author.
We hope you enjoy these tools!
Server-side P...
Create PostgreSQL ROLE (user) if it doesn't exist
... with correct exception and sqlstate propagation:
DO $$
BEGIN
CREATE ROLE test;
EXCEPTION WHEN duplicate_object THEN RAISE NOTICE '%, skipping', SQLERRM USING ERRCODE = SQLSTATE;
END
$$;
Test output (called two times via DO and then directly):
$ sudo -u postgres psql
psql (9.6.12)
Type "help" fo...
Getting the location from an IP address [duplicate]
...
You could download a free GeoIP database and lookup the IP address locally, or you could use a third party service and perform a remote lookup. This is the simpler option, as it requires no setup, but it does introduce additional latency.
One third party service you could use is mine, http://...
Re-enabling window.alert in Chrome
...esult in us spending two weeks to go through each one of these cases. Plus testing, and we are pushing for a release right now. So this allows us to notify the user that they have managed to check that box in firefox or chrome.
– DeadlyChambers
May 19 '14 at 1...
Check if object value exists within a Javascript array of objects and if not add a new object to arr
...his is what I did in addition to @sagar-gavhane's answer
const newUser = {_id: 4, name: 'Adam'}
const users = [{_id: 1, name: 'Fred'}, {_id: 2, name: 'Ted'}, {_id: 3, 'Bill'}]
const userExists = users.some(user => user.name = newUser.name);
if(userExists) {
return new Error({error:'User exi...
How to wait for all goroutines to finish without using time.Sleep?
This code selects all xml files in the same folder, as the invoked executable and asynchronously applies processing to each result in the callback method (in the example below, just the name of the file is printed out).
...
How to speed up insertion performance in PostgreSQL
I am testing Postgres insertion performance. I have a table with one column with number as its data type. There is an index on it as well. I filled the database up using this query:
...
How do you set up use HttpOnly cookies in PHP
...turn HttpOnly on, but don't drop even an hour of output filtering and fuzz testing in trade for it.
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