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How can I use mySQL replace() to replace strings in multiple records?
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UPDATE some_table SET some_field = REPLACE(some_field, '&lt;', '<')
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follo...
How to get a one-dimensional scalar array as a doctrine dql query result?
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PHP < 5.5
You can use array_map, and since you only have on item per array, you can elegantly use
'current' as callback, instead of writing a closure.
$result = $em->createQuery("SELECT a.id FROM Auction a")->getScalarResult();
$ids = array_map...
Create JSON-object the correct way
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Usually, you would do something like this:
$post_data = json_encode(array('item' => $post_data));
But, as it seems you want the output to be with "{}", you better make sure to force json_encode() to encode as object, by passing the JSON_FORCE_OBJECT constant.
$post_d...
argparse store false if unspecified
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The store_true option automatically creates a default value of False.
Likewise, store_false will default to True when the command-line argument is not present.
The source for this behavior is succinct and clear: http://hg.python.or...
Creating email templates with Django
...e this:
from django.core.mail import EmailMultiAlternatives
subject, from_email, to = 'hello', 'from@example.com', 'to@example.com'
text_content = 'This is an important message.'
html_content = '<p>This is an <strong>important</strong> message.</p>'
msg = EmailMultiAlternat...
How can I know when an EditText loses focus?
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Kotlin way
editText.setOnFocusChangeListener { _, hasFocus ->
if (!hasFocus) { }
}
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delete map[key] in go?
...sions = map[string] chan int{};
sessions["moo"] = make (chan int);
_, ok := sessions["moo"];
if ok {
delete(sessions, "moo");
}
}
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Change x axes scale in matplotlib
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Try using matplotlib.pyplot.ticklabel_format:
import matplotlib.pyplot as plt
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plt.ticklabel_format(style='sci', axis='x', scilimits=(0,0))
This applies scientific notation (i.e. a x 10^b) to your x-axis tickmarks
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In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
... Not the comprehensive list, but a start at w3schools.com/tags/ref_symbols.asp
– Bill the Lizard
Apr 3 '09 at 0:44
5
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Center Google Maps (V3) on browser resize (responsive)
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You want another event listener, I think for "center_changed" on the map object, that updates a global variable with the new coordinates, which you can then use in your setCenter.
– duncan
Jan 10 '12 at 11:15
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