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How do I read the contents of a Node.js stream into a string variable?
...gt; {
stream.on('data', chunk => chunks.push(chunk))
stream.on('error', reject)
stream.on('end', () => resolve(Buffer.concat(chunks).toString('utf8')))
})
}
const result = await streamToString(stream)
s...
Renaming columns in pandas
...x x
1 x x x x x
2 x x x x x
From v0.25, you can also specify errors='raise' to raise errors if an invalid column-to-rename is specified. See v0.25 rename() docs.
REASSIGN COLUMN HEADERS
Use df.set_axis() with axis=1 and inplace=False (to return a copy).
df2 = df.set_axis(['V', 'W', 'X...
How do I resolve git saying “Commit your changes or stash them before you can merge”?
...sh your changes first". When I type "git stash" and then "git pull" -> "error: you have unsaved changes.. do a stash first". Short before destroying my computer
– trinity420
Jan 21 '18 at 14:19
...
Copy/duplicate database without using mysqldump
...DbName` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;") or die(mysql_error());
foreach($tables as $cTable){
$db_check = @mysql_select_db ( $newDbName );
$create = $admin->query("CREATE TABLE $cTable LIKE ".$dbName.".".$cTable);
if(!$create) {
...
Declaring variables inside loops, good practice or bad practice?
...ble scope is limited to inside the loop, and therefore will issue a proper error message if the variable is by mistake referenced elsewhere.
Last but not least, some dedicated optimization can be performed more efficiently by the compiler (most importantly register allocation), since it knows that t...
How to atomically delete keys matching a pattern using Redis
...ry in your Redis server, you'll run into the "too many elements to unpack" error. In that case, do:
for _,k in ipairs(redis.call('keys', ARGV[1])) do
redis.call('del', k)
end
As Kikito suggested.
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Resize image to full width and fixed height with Picasso
...with Center inside requires calling resize with positive width and height. error message.
– Rock Lee
May 10 '17 at 21:17
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How do Python functions handle the types of the parameters that you pass in?
...
@qPCR4vir, any object can be passed as an argument. The error (an exception, the program won't "die" if it's coded to catch it, see try/except) will occur when and if an operation is attempted that the object doesn't support. In Python 3.5 you can now optionally "specify types" of...
What is the use of the %n format specifier in C?
...
For some reason the sample raises error with note n format specifies disabled. What's the reason?
– Johnny_D
Jul 20 '14 at 19:46
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Facebook access token server-side validation for iPhone app
...: [ ]
}
}
If that token isn't from "your app" then it will return an error response.
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