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Difference between toFixed() and toPrecision()?
...om Mozilla Doc Center for toFixed() and for toPrecision(). Fortunately for all of us, MDC and w3schools agree with each other in this case.
For completeness, I should mention that toFixed() is equivalent to toFixed(0) and toPrecision() just returns the original number with no formatting.
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How to create EditText with rounded corners? [closed]
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Except that your solution uses the same drawable for all states. A regular EditText has different backgrounds for focused, disabled, pressed, and selected, besides the default. Focused, in particular, may be important going forward if we get some Android devices that lack touch...
Delete all the queues from RabbitMQ?
I installed rabbitmqadmin and was able to list all the exchanges and queues. How can I use rabbitmqadmin or rabbitmqctl to delete all the queues.
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Why does npm install say I have unmet dependencies?
I have a node package. When I run npm install from the package root, it installs a bunch of things, but then prints several error messages that look like this:
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Replace one substring for another string in shell script
...ing/Suzi/$secondString}"
# prints 'I love Sara and Marry'
To replace all occurrences, use ${parameter//pattern/string}:
message='The secret code is 12345'
echo "${message//[0-9]/X}"
# prints 'The secret code is XXXXX'
(This is documented in the Bash Reference Manual, §3.5.3 "She...
What can you use Python generator functions for?
...in them. I want to know what types of problems that these functions are really good at solving.
16 Answers
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HTTP header line break style
...0)>
HTTP/1.1 defines the sequence CR LF as the end-of-line marker for all protocol elements except the entity-body
RFC2616 was technically obsoleted by RFC7230, but it makes no drastic changes and again calls out CRLF as the delimiter in section 3, and that RFC references RFC5234, Appendix B....
docker mounting volumes on host
...independent of the container's life cycle. Docker therefore never automatically delete volumes when you remove a container, nor will it "garbage collect" volumes that are no longer referenced by a container." One of these statements must be wrong.
– mc0e
May 6...
Using only CSS, show div on hover over
...ibling selector, and is the basis of the suckerfish dropdown menu.
HTML5 allows anchor elements to wrap almost anything, so in that case the div element can be made a child of the anchor. Otherwise the principle is the same - use the :hover pseudo-class to change the display property of another el...
Select n random rows from SQL Server table
...the key scan of values plus the join cost, which on a large table with a small percentage selection should be reasonable.
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