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Amy Avery

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Can I use system err println for debugging in java?

It's not a particularly bad habit to have to want to get output when debugging (the worst habit is to not debug). It's just that we programmers are just so gosh darn lazy. Want output? Look there... System err println("Got an error: " + e); That's really easy. You don't need to worry about what logging framework you…

Java

Answered Oct 13, 2022 · 1.4K Views Read answer →

Is there an app available to run the java files on Android jar?

Even though Android uses Java, it does not support executing files on Android JAR on its devices. However, you can use emulators to do this which are not available on Google Play Store but are available from the developers' website. I have provided the source link and download instructions are available there. phoneME…

Java

Answered Oct 12, 2022 · 2.2K Views Read answer →

How does postgres drop all tables in schema through command?

You want to use the CASCADE option of postgres DROP all tables SCHEMA. From the documentation: CASCADE - Automatically drop objects (tables, functions, etc.) that are contained in the schema, and in turn all objects that depend on those objects BE CAREFUL - emphasis above mine. Obviously you'll need to recreate the…

SQL Server

Answered Oct 4, 2022 · 2.6K Views Read answer →

Defect vs Bug - What's the difference?

Defect vs Bug Countless definitions that make a distinction between 'bug' and 'defect' exist. They disagree with each other. They include direct opposites (Bug is A, Defect is B versus Bug is B, Defect is A). To my knowledge, not a single one of these definitions is in wider use. Any distinction made between the terms…

QA Testing

Answered Apr 26, 2022 · 1.7K Views Read answer →

How to use a prediction service to load pages more quickly?

You want to know how to use a prediction service to load pages more quickly, you must understand that there is no code execution vulnerability. Put simply, the bottleneck for any well designed site is the network, so prefetching the data for links reduces the impact that network performance has on actually accessing…

Cyber Security

Answered Apr 14, 2022 · 3.8K Views Read answer →

Why is the TCP port 6666 and port 7777 open in the LTE router?

Port 7777/tcp can be used by: iChat server file transfer proxy or Oracle Cluster File System 2 or even games (Ultima Online, Active Worlds). Same for port 6666 - this one is often used for relay chat, but can indeed be used by a lot of malware too. So it's not the port itself that is the problem (or it's current…

Cyber Security

Answered Apr 6, 2022 · 3.4K Views Read answer →

Is salted MD5 Or SHA secure?

There is, in fact, no such thing as "salted MD5" or "salted SHA-1". MD5 and SHA-1 are well-defined hash functions, which take as input a sequence of bits of (almost) arbitrary length, and output a sequence of bits of fixed length (128 and 160 bits, respectively). There is no salt anywhere in the definitions of MD5 and…

Cyber Security

Answered Mar 28, 2022 · 1.7K Views Read answer →

My car registration was stolen, should I be worried?

You asked, My car registration was stolen, should I be worried?It's hard to give an exhaustive list, but in the end, I don't think that's really the important question to ask - really, the important question is, what should you do now to protect yourself? Reach out to the DMV and your insurer. Your state's DMV will…

Cyber Security

Answered Mar 14, 2022 · 1.7K Views Read answer →

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