Andrew Jenkins

What is the increment value in hashmap java?

For the increment value in hashmap java, you must not modify the keys of a HashMap while iterating over it. You are just lucky it worked. Instead of the put(...), write e.setValue(e.getValue() + 1).If you have some kind of Multiset available (e.g. when you are using Guava), you could replace your HashMap with a…

Java

Answered May 27, 2024 · 7.6K Views Read answer →

Why am I receiving emails from mailer-daemon@googlemail.com?

Regarding the email id - mailer-daemon@googlemail - I've had this issue before, with another email provider. In my case, someone was able to obtain my e-mail address, but not my password. Then, my email address was used as the "reply-to" or the "sent-from" address on a spam email. It is annoying, but your email itself…

Cyber Security

Answered May 22, 2024 · 64.1K Views Read answer →

“chrome://flags/#allow-insecure-localhost” - Is it secure? How to enable it on chrome?

It's most likely fine. There are a few situations in which you want to communicate with localhost using HTTPS - such as running a local webserver for web development purposes or some other service that offers a web interface.The way to do it "properly" is to generate a self-signed certificate, set up your web server…

SQL Server

Answered May 22, 2024 · 191.5K Views Read answer →

Jackson with JSON: Unrecognized field, not marked as ignorable

Java

Answered Nov 30, 2023 · 3.3K Views Read answer →

Test.Login.Salesforce

The easiest and the most convenient way is to go to the Salesforce test login page and provide your login data; the username and password. If you want to stay logged in, just check the “Remember me” option. Click “Log In” and you’re there! How to login to the Salesforce sandbox? It all depends on your system…

Salesforce

Answered Nov 16, 2022 · 2.0K Views Read answer →

Give a detailed description of the zombie pigman farm.

Regarding the zombie pigman farm - From what I can tell, it does work on Java. However, it is VERY slow. The "zero-tick" method of flashing the portal on and off does not work on Java. Also, the pigmen can spawn on either side of the portal so you must account for that. Trident killers do not work on Java either.

Java

Answered Oct 13, 2022 · 1.3K Views Read answer →

How is java generics with wildcards different from non java generic list?

The question regarding the java generic list with wildcards vs non generic list - Your IDE complains about the first one because you're mixing raw types and parameterized types. By changing the raw types to List your IDE will be a bit happier. However, the second example, with the unknown type, is the correct one to…

Java

Answered Oct 12, 2022 · 1.3K Views Read answer →

Bool vs boolean - What's the difference?

Bool vs Boolean Without getting in contact with people who were actually involved in these design decisions, I think we're unlikely to find a definitive answer. However, based on the timelines of the development of both Java and C++, I would conjecture that Java's boolean was chosen before, or contemporaneously with,…

Java

Answered Oct 10, 2022 · 1.7K Views Read answer →

If I implement an interface, would it be called a java interface inheritance?

Regarding the java interface inheritance - Inheritance means writing a new subclass for a superclass. Writing a new class against an interface is implementing that interface. (And writing a new interface based on an old one is extending that interface.) The only correct term that applies to all three possibilities is…

Java

Answered Oct 6, 2022 · 1.2K Views Read answer →

What to do if login failed for user sa?

If login failed for user sa - Alternative ways to change the Server authentication modeFrom Windows registry: Step 1: Open the registry editor. Step 2: Navigate to: HKEY_LOCAL_MACHINESOFTWAREMicrosoftMicrosoft SQL ServerMSSQL.10.SQLEXPRESSMSSQLServer Step 3: Change the value of LoginMode from 1 to 2. From query:Just…

SQL Server

Answered Oct 4, 2022 · 1.6K Views Read answer →

. Why are there dos attacks on router?

It is minutes and in some cases hours between all these entries, so will not qualify this as an attack and it should not have any impact on your router. It is normal to get some light scans looking for open ports, if you put up a web-server on port 80 you will probably get requests to wordpress phpmyadmin and other…

Cyber Security

Answered Sep 27, 2022 · 3.3K Views Read answer →

Can you track a visa gift card?

The answer to your question - can you track a visa gift card is - A) Yes, they do keep track of purchases. Almost all prepaid gift cards require some form of registration where they collect different data about you: name, address, zip code, phone number, etc. B) It will. The gift card becomes an account, and you can…

Cyber Security

Answered Sep 26, 2022 · 170 Views Read answer →