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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
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I recently read a detailed article about React's diff algorithm here: http://calendar.perfplanet.com/2013/diff/. From what I understand, what makes React fast is:
Batched DOM read/write operations.
Efficient update of sub-tree only.
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Benefits of header-only libraries
...with that new .o file, and relink the application.
Harder for the human to read. Even with the best documentation, users of a library oftentimes have to resort to reading the headers for the library. The headers in a header-only library are filled with implementation details that get in the way of u...
What is the best practice for dealing with passwords in git repositories?
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The typical way to do this is to read the password info from a configuration file. If your configuration file is called foobar.config, then you would commit a file called foobar.config.example to the repository, containing sample data. To run your program, y...
How to assign from a function which returns more than one value?
...ionReturningTwoValues()[[2]] would be sufficient.)
See the cited r-help thread for more examples.
(2) with If the intent is merely to combine the multiple values subsequently and the return values are named then a simple alternative is to use with :
myfun <- function() list(a = 1, b = 2)
lis...
Python json.loads shows ValueError: Extra data
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You can just read from a file, jsonifying each line as you go:
tweets = []
for line in open('tweets.json', 'r'):
tweets.append(json.loads(line))
This avoids storing intermediate python objects. As long as your write one full tweet...
SQL JOIN - WHERE clause vs. ON clause
After reading it, this is not a duplicate of Explicit vs Implicit SQL Joins .
The answer may be related (or even the same) but the question is different.
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Doing a cleanup action just before Node.js exits
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@RobFox resume() initializes reading process. Stdin is paused by default. You can read more on : github.com/joyent/node/blob/…
– Emil Condrea
Feb 5 '14 at 12:08
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Intermittent log4net RollingFileAppender locked file issue
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I'd just want to read the file, but log4net locks for reading as well... it could lock just for writing and share reading
– JobaDiniz
Apr 12 '19 at 19:25
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Are there any disadvantages to always using nvarchar(MAX)?
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I read the answer as "no, there is no disadvantage to using N/VARCHAR(MAX)" because there is additional processing "only if the size exceeds 8000". Thus, you incur the cost only when necessary, and your database is less restric...
Method can be made static, but should it?
...ived classes might. (For instance, asking a collection whether or not it's read-only - you may not have implemented a read-only form of that collection yet, but it's clearly a property of the collection itself, not the type.)
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