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Python how to write to a binary file?
... With Python 2 on Windows, I found that writing a bytearray still converts \n to \r\n, making it unsatisfactory for binary data, if the "b" flag is not passed when opening the file.
– feersum
Dec 11 '14 at 13:03
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What's the meaning of interface{}?
...unction, the Go runtime will perform a type conversion (if necessary), and convert the value to an interface{} value.
All values have exactly one type at runtime, and v's one static type is interface{}.
An interface value is constructed of two words of data:
one word is used to point...
Get top n records for each group of grouped results
...ould need to specify the group number and add queries for each group:
(
select *
from mytable
where `group` = 1
order by age desc
LIMIT 2
)
UNION ALL
(
select *
from mytable
where `group` = 2
order by age desc
LIMIT 2
)
There are a variety of ways to do this, see this articl...
How to create Drawable from resource
...showing.setImageResource(R.drawable.one);
only then the drawable will we converted exactly.
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Check if table exists without using “select from”
Is there a way to check if a table exists without selecting and checking values from it?
17 Answers
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Include headers when using SELECT INTO OUTFILE?
...
You'd have to hard code those headers yourself. Something like:
SELECT 'ColName1', 'ColName2', 'ColName3'
UNION ALL
SELECT ColName1, ColName2, ColName3
FROM YourTable
INTO OUTFILE '/path/outfile'
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How to download an entire directory and subdirectories using wget?
...
you can also use this command :
wget --mirror -pc --convert-links -P ./your-local-dir/ http://www.your-website.com
so that you get the exact mirror of the website you want to download
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How to reset postgres' primary key sequence when it falls out of sync?
...
-- Login to psql and run the following
-- What is the result?
SELECT MAX(id) FROM your_table;
-- Then run...
-- This should be higher than the last result.
SELECT nextval('your_table_id_seq');
-- If it's not higher... run this set the sequence last to your highest id.
-- (wise to run...
SQL SELECT WHERE field contains words
I need a select which would return results like this:
15 Answers
15
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using href links inside tag
...
<select name="forma" onchange="location = this.value;">
<option value="Home.php">Home</option>
<option value="Contact.php">Contact</option>
<option value="Sitemap.php">Sitemap</option>...