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How to Truncate a string in PHP to the word closest to a certain number of characters?
...hy article or a short sentence or two; but for this widget I can't display more than, say, 200 characters. I could use substr() to chop off the text at 200 chars, but the result would be cutting off in the middle of words-- what I really want is to chop the text at the end of the last word before...
SQL join: selecting the last records in a one-to-many relationship
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this solution works only, if there are more than 1 purchase records. ist there is 1:1 link, it does NOT work. there it has to be "WHERE (p2.id IS NULL or p1.id=p2.id)
– Bruno Jennrich
Jul 23 '17 at 19:22
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How is Docker different from a virtual machine?
...ts own set of resources allocated to it, and does minimal sharing. You get more isolation, but it is much heavier (requires more resources). With Docker you get less isolation, but the containers are lightweight (require fewer resources). So you could easily run thousands of containers on a host, an...
How can I scan barcodes on iOS?
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I believe more has been ported to C++, but the port is still a rough and outdated echo of the Java code unfortunately. So, yes more is supported though perhaps not well.
– Sean Owen
May 17 '11 at ...
What is an example of the Liskov Substitution Principle?
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Copying PostgreSQL database to another server
...s to copy from local to remote and the second one is from remote to local. More -> https://www.postgresql.org/docs/9.6/app-pgdump.html
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Why does this method print 4?
... get into main, the space left over is X-M. Each recursive call takes up R more memory. So for 1 recursive call (1 more than original), the memory use is M + R. Suppose that StackOverflowError is thrown after C successful recursive calls, that is, M + C * R <= X and M + C * (R + 1) > X. At the...
How to send an email with Python?
...t if you follow this approach, the "simple" task is indeed simple, and the more complex tasks (like attaching binary objects or sending plain/HTML multipart messages) are accomplished very rapidly.
# Import smtplib for the actual sending function
import smtplib
# Import the email modules we'll nee...
Get final URL after curl is redirected
...ething like
curl -Ls -o /dev/null -w %{url_effective} http://google.com
More info
-L Follow redirects
-s Silent mode. Don't output anything
-o FILE Write output to <file> instead of stdout
-w FORMAT What to output after completion
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You might want to add -I (that...
How is Racket different from Scheme?
... [ ... ] as equivalent, R5RS does not, but R6RS does.
There are probably more, but on most other parts racket is a superset of Scheme.
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