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Advantages and disadvantages of GUID / UUID database keys
I've worked on a number of database systems in the past where moving entries between databases would have been made a lot easier if all the database keys had been GUID / UUID values. I've considered going down this path a few times, but there's always a bit of uncertainty, especially around perfor...
Convert Datetime column from UTC to local time in select statement
I'm doing a few SQL select queries and would like to convert my UTC datetime column into local time to be displayed as local time in my query results. Note, I am NOT looking to do this conversion via code but rather when I am doing manual and random SQL queries against my databases.
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Retrieve version from maven pom.xml in code
What is the simplest way to retrieve version number from maven's pom.xml in code, i.e., programatically?
11 Answers
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Javascript reduce on array of objects
Say I want to sum a.x for each element in arr .
15 Answers
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What does it mean by buffer?
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Imagine that you're eating candy out of a bowl. You take one piece regularly. To prevent the bowl from running out, someone might refill the bowl before it gets empty, so that when you want to take another piece, there's candy in...
Convert to binary and keep leading zeros in Python
I'm trying to convert an integer to binary using the bin() function in Python. However, it always removes the leading zeros, which I actually need, such that the result is always 8-bit:
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What are the reasons why Map.get(Object key) is not (fully) generic
What are the reasons behind the decision to not have a fully generic get method
in the interface of java.util.Map<K, V> .
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Multiline strings in VB.NET
Is there a way to have multiline strings in VB.NET like Python
21 Answers
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Getting an element from a Set
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There would be no point of getting the element if it is equal. A Map is better suited for this usecase.
If you still want to find the element you have no other option but to use the iterator:
public static void main(String[] args) {
Set...
How to get the ASCII value of a character
How do I get the ASCII value of a character as an int in Python ?
5 Answers
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