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Define: What is a HashSet?
...anaging an array and storing the object using an index which is calculated from the hashcode of the object. Take a look here
HashSet is an unordered collection containing unique elements. It has the standard collection operations Add, Remove, Contains, but since it uses a hash-based implementation, ...
How can I change a file's encoding with vim?
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From the doc:
:write ++enc=utf-8 russian.txt
So you should be able to change the encoding as part of the write command.
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Get the first element of an array
... to get the key: (execute it after reset)
echo key($arr); // Echoes "4"
From PHP's documentation:
mixed reset ( array &$array );
Description:
reset() rewinds array's internal pointer to the first element and returns the value of the first array element, or FALSE if the array is
em...
What is a vertical tab?
...rm footer. Generally it was coded in the program as a character constant. From the keyboard, it would be CTRL-K.
I don't believe anyone would have a reason to use it any more. Most forms are generated in a printer control language like postscript.
@Talvi Wilson noted it used in python '\v'.
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Dependency Walker reports IESHIMS.DLL and WER.DLL missing?
...efinitely been used (at least in my case) with these calls (will only work from Vista or above) msdn.microsoft.com/en-us/library/windows/desktop/…
– notNullGothik
Mar 23 '17 at 21:28
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How to bind multiple values to a single WPF TextBlock?
...argument to the converter (called value in the code), and the ID (a string from the question) as the second argument.
– Preet Sangha
May 28 '16 at 23:15
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Python - Passing a function into another function
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For passing both a function, and any arguments to the function:
from typing import Callable
def looper(fn: Callable, n:int, *args, **kwargs):
"""
Call a function `n` times
Parameters
----------
fn: Callable
Function to be called.
n: int
Number...
How do I convert a NSString into a std::string?
...l produce an empty C++ string
// instead of dereferencing the NULL pointer from UTF8String.
This would lead you to such a conversion:
NSString *foo = @"Foo";
std::string bar = std::string([foo UTF8String], [foo lengthOfBytesUsingEncoding:NSUTF8StringEncoding]);
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Why should text files end with a newline?
...ty is not a valid concern. Complexity, wherever possible, should be moved from the programmers head and into the library.
– Doug Coburn
Dec 6 '18 at 18:11
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How to see if an NSString starts with a certain other string?
... doing this. Most new iOS developers are probably going to be using Swift from here on out, and the OP never said that only Objective-C answers were requested.
– Richard
Oct 24 '15 at 0:12
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