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How do I tell Git to ignore everything except a subdirectory?
...bin/
This way you get all of the bin directory, including subdirectories and their files.
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What database does Google use?
... designed to scale to a very
large size: petabytes of data across
thousands of commodity servers.
Many projects at Google store data in
Bigtable, including web indexing,
Google Earth, and Google Finance.
These applications place very
different demands on Bigtable, both in
terms of...
What is
I'm having trouble understanding the following syntax:
5 Answers
5
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HashMap with multiple values under the same key
Is it possible for us to implement a HashMap with one key and two values. Just as HashMap?
22 Answers
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Oracle SQL: Update a table with data from another table
...ere is no matching row in t2. Without it, every row in t1 will be updated and the values will be set to NULL if there is no matching row in t2. That is generally not what you want to happen so the WHERE EXISTS is generally needed.
– Justin Cave
Aug 5 '13 at 1...
How to use OrderBy with findAll in Spring Data
I am using spring data and my DAO looks like
7 Answers
7
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PSQLException: current transaction is aborted, commands ignored until end of transaction block
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I got this error using Java and PostgreSQL doing an insert on a table. I will illustrate how you can reproduce this error:
org.postgresql.util.PSQLException: ERROR:
current transaction is aborted, commands ignored until end of transaction block
Summa...
What is the use of hashCode in Java?
...e), then it uses the equals() method to evaluate if the objects are equal, and then decide if contains() is true or false, or decide if element could be added in the set or not.
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Setting multiple attributes for an element at once with JavaScript
...ibute change. Accessing this.getAttribute('your-attr') for both attributes and exiting if one of them is still empty is a first solution BUT it does not handle the case where only one attribute is set, and the other one already has a previous value. But god helps this is not the question actually ob...
How can I verify if one list is a subset of another?
...answer to your question, however.
A list may contain items multiple times and has a specific order. A set does not. Additionally, sets only work on hashable objects.
Are you asking about subset or subsequence (which means you'll want a string search algorithm)? Will either of the lists be the sam...