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What is the difference between user and kernel modes in operating systems?
What are the differences between User Mode and Kernel Mode, why and how do you activate either of them, and what are their use cases?
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How to get first and last day of previous month (with timestamp) in SQL Server
I could not find the solution which gives first and last day of previous month with timestamp. Hope this helps others. If there is already a solution for this problem I apologize.
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Heap vs Binary Search Tree (BST)
What is the difference between a heap and BST?
8 Answers
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Is it safe to use Project Lombok? [closed]
In case you don't know Project Lombok helps with some of the annoyances of Java with stuff like generating getters and setters with annotations and even simple JavaBean like generation with @Data . It could really help me, especially in 50 different event objects where you have up to 7 differen...
Performance optimization strategies of last resort [closed]
There are plenty of performance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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How to create a new database after initally installing oracle database 11g Express Edition?
I have installed Oracle Database 11g Express Edition on my pc (windows 7)
and I have installed Oracle SQL Developer as well.
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How to design a multi-user ajax web application to be concurrently safe
I have a web page that shows a large amount of data from the server. The communication is done via ajax.
8 Answers
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How does this giant regex work?
I recently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.
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Case objects vs Enumerations in Scala
Are there any best-practice guidelines on when to use case classes (or case objects) vs extending Enumeration in Scala?
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What's the best way of scraping data from a website? [closed]
I need to extract contents from a website, but the application doesn’t provide any application programming interface or another mechanism to access that data programmatically.
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