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What is the difference between lower bound and tight bound?
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What do you mean by " An algorithm taking Theta(n log n) is far preferential since it takes at least n log n (Omega n log n) and no more than n log n (Big O n log n). ", as in, is it the exact complexity of a algorithm as you wrote said...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
...e it on; therefore, each insert that you do does its own transaction. This means that if you do one insert per row, you're going to be committing a transaction for each row.
Assuming a single thread, that means that the server needs to sync some data to disc for EVERY ROW. It needs to wait for the ...
Ways to implement data versioning in MongoDB
...t contain a dictionary of time-stamped diffs. Something like this:
{
_id : "id of address book record",
changes : {
1234567 : { "city" : "Omaha", "state" : "Nebraska" },
1234568 : { "city" : "Kansas City", "state" : "Missouri" }
}
}
To make ...
Select datatype of the field in postgres
... ?
For example
I have the following table,
student_details (
stu_id integer,
stu_name varchar(30 ),
joined_date timestamp
);
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How do I find duplicate values in a table in Oracle?
...XISTS (
SELECT 1 FROM TABLE
WHERE COLUMN_NAME = A.COLUMN_NAME
AND ROWID < A.ROWID
)
Works fine (quick enough) when there is index on column_name. And it's better way to delete or update duplicate rows.
share
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findViewById in Fragment
... which I have created in the XML for the Fragment. However, the findViewById method only works if I extend an Activity class. Is there anyway of which I can use it in Fragment as well?
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How do I get textual contents from BLOB in Oracle SQL
I am trying to see from an SQL console what is inside an Oracle BLOB.
11 Answers
11
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How to add a custom button state
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How does it work? I mean, how the attribute gets updated to state true/false? Who updates it? Does merging drawablestate, only if local variable is true, updates the state or value of attribute? Which code exactly will be updating R.attr.state_f...
#if DEBUG vs. Conditional(“DEBUG”)
... when your code runs in a non-debug build. Using the Conditional attribute means the JIT knows not to even output the callsite when in a non-DEBUG build.
– Jeff Yates
Sep 11 '13 at 4:11
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brew update: The following untracked working tree files would be overwritten by merge:
...ate permissions (if not see below)
Fetch the origin [second command] which means to update your LOCAL version of the remote branch of brew
Hard reset [3rd command] based on the REMOTE master branch (which also uses your current permissions).
You can also chown the first command if you are in a n...