To calculate a MD5 or SHA-1 checksum of a file in Linux, you can use either md5sum or sha1sum, but what about Windows especially when you copy a file from Windows to Linux and want to compare the checksum of both source and destination files. To calculate a MD5 checksum of any file, enter the following … Continue Reading
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Programming and Scripting
MD5 and SHA1 Checksum Using Linux
A file checksum is useful when you want to verify the content of a file are same as the content you copied or downloaded somewhere. Basically it … Continue Reading
Java: Unlimited Strength Jurisdiction Policy
You are writing a Java program to encrypt or de-crypt some data with strong encryption keys but you got an error saying … Continue Reading
Tips and Tricks
Java: How To Select Top N Objects From A List
There are several ways to select top N objects from A list in the order of multiple data members of an object. For example, you may select top 10 players (top scores) from a list ordered by the players' … Continue Reading
WordPress: Transfer Your Blogs To Another Hosting With Minimum Downtime
I have recently moved all my websites, including Wordpress blogs, to a new VPS hosting, a SSD Cloud Hosting at DigitalOcean. It is important to keep my blogs up all the time as they are the money cows that keep … Continue Reading
Java: How To Implement ungetc in Java
If you are a C or C++ programmer, you may familiar withe ungetc function in C. ungetc function is a very simple but useful function especially when your program need to read characters from a FILE stream for … Continue Reading