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Apply a function to every row of a matrix or a data frame
... provides a wide range of these apply kinds of functions. It also provides more functionality, including parallel processing.
– Paul Hiemstra
Nov 30 '11 at 13:29
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LF will be replaced by CRLF in git - What is that and is it important? [duplicate]
...tting and Whitespace
Formatting and whitespace issues are some of the more frustrating and
subtle problems that many developers encounter when collaborating,
especially cross-platform. It’s very easy for patches or other
collaborated work to introduce subtle whitespace changes because
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Adding console.log to every function automatically
...his actually works in Codepen
Remember that using Proxy gives you a lot more functionality than to just logging console names.
Also this method works in Node.js too.
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Gradle: How to Display Test Results in the Console in Real Time?
...ult of each test while they are running. Downside is that you will get far more output for other tasks also.
gradle test -i
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How to commit no change and new message?
...rast to --allow-empty-message for empty commit messages. You can also read more by typing git help commit or visiting the online documentation.
While the tree object (which has a hash of its own) will be identical, the commit will actually have a different hash, because it will presumably have a dif...
Floating point vs integer calculations on modern hardware
...once is almost never useful. Just use the wider XMM / YMM versions to get more work done. Using SIMD integer and FP at the same time competes for the same registers, but x86-64 has 16 of them. But total throughput limits mean you can't get twice as much work done by using integer and FP execution...
How to specify HTTP error code?
... +1 for using the latest version of the API. If you want to send more down the wire, just chain: res.status(400).json({ error: 'message' })
– TyMayn
Sep 23 '14 at 4:15
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Create request with POST, which response codes 200 or 201 and content
...e indicates that the request has been fulfilled and has resulted in one or more new resources being created. The primary resource created by the request is identified by either a Location header field in the response or, if no Location field is received, by the effective request URI.
This means t...
Are foreign keys really necessary in a database design?
...should not be a primary reason for FKs. (In fact in certain circumstances (More inserts than selects for example) maintaining a FK might be slower. )
– Robert
Mar 21 '10 at 17:28
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JavaScript: remove event listener
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