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Objective-C ARC: strong vs retain and weak vs assign
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After reading so many articles Stackoverflow posts and demo applications to check variable property attributes, I decided to put all the attributes information together:
atomic //default
nonatomic
strong=retain //d...
unix domain socket VS named pipes?
...alized differently but thats the only thing i notice. Both use the C write/read function and work alike AFAIK.
2 Answers
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Get the POST request body from HttpServletRequest
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if ("POST".equalsIgnoreCase(request.getMethod()))
{
test = request.getReader().lines().collect(Collectors.joining(System.lineSeparator()));
}
share
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improve this answer
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Locking pattern for proper use of .NET MemoryCache
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This is my 2nd iteration of the code. Because MemoryCache is thread safe you don't need to lock on the initial read, you can just read and if the cache returns null then do the lock check to see if you need to create the string. It greatly simplifies the code.
const string CacheKey = "C...
What's the difference between $evalAsync and $timeout in AngularJS?
...distinction between $timeout, $evalAsync, $digest, $apply, I invite you to read my answer on that other question: https://stackoverflow.com/a/23102223/1501926
Also be sure to read the documentation:
The $evalAsync makes no guarantees as to when the expression will be executed, only that:
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Compare two DataFrames and output their differences side-by-side
... NaN False "On vacation" """)
df1 = pd.read_table(DF1, sep='\s+', index_col='id')
df2 = pd.read_table(DF2, sep='\s+', index_col='id')
diff_pd(df1, df2)
Output:
from to
id col
112 score 1.11 1.21...
Why should I learn Lisp? [closed]
...idn't say its only used for AI, I said one of its main uses is AI. Did you read it?
– Justin Bennett
Sep 18 '08 at 12:11
33
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how to use javascript Object.defineProperty
...e the example above)
get must be a function; its return value is used in reading the property; if not specified, the default is undefined, which behaves like a function that returns undefined
set must be a function; its parameter is filled with RHS in assigning a value to property; if not specifie...
Build the full path filename in Python
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@wontleave: If a filename already has a suffix, with_suffix() will substitute it instead of appending. You want something like Path(dirname, filename2 + suffix)
– Eugene Yarmash
Jun 28 '19 at 8:46
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What does the “yield” keyword do?
...you must understand iterables.
Iterables
When you create a list, you can read its items one by one. Reading its items one by one is called iteration:
>>> mylist = [1, 2, 3]
>>> for i in mylist:
... print(i)
1
2
3
mylist is an iterable. When you use a list comprehension, you...