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T-SQL: Selecting rows to delete via joins
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DELETE TableA
FROM TableA a
INNER JOIN TableB b
ON b.Bid = a.Bid
AND [my filter condition]
should work
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Python: most idiomatic way to convert None to empty string?
What is the most idiomatic way to do the following?
16 Answers
16
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How can I display just a portion of an image in HTML/CSS?
... a way to display just the the center 50x50px of an image that's 250x250px in HTML. How can I do that. Also, is there a way to do this for css:url() references?
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month name to month number and vice versa in python
I am trying to create a function that can convert a month number to an abbreviated month name or an abbreviated month name to a month number. I thought this might be a common question but I could not find it online.
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Import SQL file into mysql
...itm . I haven't created any tables there. But I have a SQL file which contains all the necessary data for the database. The file is nitm.sql which is in C:\ drive . This file has size of about 103 MB. I am using wamp server.
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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
I'll explain by example:
21 Answers
21
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How do you make sure email you send programmatically is not automatically marked as spam?
...lways relied on techniques, such as permission-based emails (i.e. only sending to people you have permission to send to) and not using blatantly spamish terminology.
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Java: Path vs File
For new applications written in Java 7, is there any reason to use a java.io.File object any more or can we consider it deprecated?
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How do I change the root directory of an apache server? [closed]
...asically want localhost to come from /users/spencer/projects directory instead of /var/www .
16 Answers
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How can I check whether a numpy array is empty or not?
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You can always take a look at the .size attribute. It is defined as an integer, and is zero (0) when there are no elements in the array:
import numpy as np
a = np.array([])
if a.size == 0:
# Do something when `a` is empty
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