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HashMap get/put complexity
We are used to saying that HashMap get/put operations are O(1). However it depends on the hash implementation. The default object hash is actually the internal address in the JVM heap. Are we sure it is good enough to claim that the get/put are O(1) ?
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How to call a method with a separate thread in Java?
let's say I have a method doWork() . How do I call it from a separate thread (not the main thread).
7 Answers
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PHP case-insensitive in_array function
Is it possible to do case-insensitive comparison when using the in_array function?
11 Answers
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Create or write/append in text file
I have a website that every time a user logs in or logs out I save it to a text file.
7 Answers
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How can I turn a List of Lists into a List in Java 8?
If I have a List<List<Object>> , how can I turn that into a List<Object> that contains all the objects in the same iteration order by using the features of Java 8?
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Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
It is said to be a good habit to close all JDBC resources after usage. But if I have the following code, is it necessary to close the Resultset and the Statement?
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Why catch and rethrow an exception in C#?
I'm looking at the article C# - Data Transfer Object on serializable DTOs.
17 Answers
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Convert HH:MM:SS string to seconds only in javascript
I am having similar requirement as this: Convert time in HH:MM:SS format to seconds only?
13 Answers
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How to set target hosts in Fabric file
I want to use Fabric to deploy my web app code to development, staging and production servers. My fabfile:
15 Answers
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How do I catch an Ajax query post error?
I would like to catch the error and show the appropriate message if the Ajax request fails.
8 Answers
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