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How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
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If you find yourself doing things like this regularly it may be worth investigating the object...
“Comparison method violates its general contract!”
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11 Answers
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Is there a numpy builtin to reject outliers from a list
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10 Answers
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Converting strings to floats in a DataFrame
...or pd.to_numeric as described in other
answers.
This is available in 0.11. Forces conversion (or set's to nan)
This will work even when astype will fail; its also series by series
so it won't convert say a complete string column
In [10]: df = DataFrame(dict(A = Series(['1.0','1']), B = Series([...
Hidden features of mod_rewrite
...index.php and append as a query string
RewriteRule ^(.*)$ index.php?query=$1
Since Apache 2.2.16 you can also use FallbackResource.
Handling 301/302 redirects:
RewriteEngine on
# 302 Temporary Redirect (302 is the default, but can be specified for clarity)
RewriteRule ^oldpage\.html$ /newpage.ht...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
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answered Dec 4 '12 at 0:11
sgesge
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Are PDO prepared statements sufficient to prevent SQL injection?
...howing the attack...
$pdo->query('SET NAMES gbk');
$var = "\xbf\x27 OR 1=1 /*";
$query = 'SELECT * FROM test WHERE name = ? LIMIT 1';
$stmt = $pdo->prepare($query);
$stmt->execute(array($var));
In certain circumstances, that will return more than 1 row. Let's dissect what's going on here...
Email Address Validation in Android on EditText [duplicate]
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edited Feb 21 at 13:14
milosmns
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an...
Stop pip from failing on single package when installing with requirements.txt
...ine with pip install may be a workaround.
cat requirements.txt | xargs -n 1 pip install
Note: -a parameter is not available under MacOS, so old cat is more portable.
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