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Why aren't Java Collections remove methods generic?
... object that you pass in to remove(); it only requires that they be equal. From the specification of remove(), remove(o) removes the object e such that (o==null ? e==null : o.equals(e)) is true. Note that there is nothing requiring o and e to be the same type. This follows from the fact that the equ...
Private properties in JavaScript ES6 classes
...t in TypeScript. Private members are not compiled in private or read-only (from outside). Just declared like another (public) property. (ES5).
– Dominik
Feb 5 '19 at 9:49
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Is a Java hashmap search really O(1)?
...someone explain why this is so? Unless these hashmaps are vastly different from any of the hashing algorithms I was bought up on, there must always exist a dataset that contains collisions.
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How do I convert a string to a number in PHP?
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It was useful for me when I had a month number obtained from a full date string, wich I used to pull a value from a moth names array. Auto casting doesn't happen here because string indexes are valid, but not equivalent.
– Cazuma Nii Cavalcanti
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Scripting Language vs Programming Language [closed]
...examples for each. I have Googled a lot but I always find the best answers from Stack Overflow.
14 Answers
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
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See the bit twiddling hacks for many solutions. Copypasting from there is obviously simple to implement. =)
For example (on a 32-bit CPU):
uint8_t b = byte_to_reverse;
b = ((b * 0x0802LU & 0x22110LU) | (b * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16;
If by “simple to...
How to convert byte array to Bitmap
...ould not be decoded if it is in other format that you are trying to decode from
– lxknvlk
Mar 28 '15 at 12:23
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Equivalent of “continue” in Ruby
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Ruby borrowed much from Perl, including Perl's redo command (or its essence, anyway). For Ruby's interpretation, search for "redo" within this page.
– MarkDBlackwell
Mar 30 '19 at 14:32
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What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4
...o that, but I'd rather just take their precompiled binary and reference it from my project. I'll look into it some more. But can you think of why changing app.config doesn't make it work? I thought maybe I had to use programname.exe.config, but I tried that too and it didn't work. In my limited ...
How to check if a path is absolute path or relative path in cross platform way with Python?
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From python 3.4 pathlib is available.
In [1]: from pathlib import Path
In [2]: Path('..').is_absolute()
Out[2]: False
In [3]: Path('C:/').is_absolute()
Out[3]: True
In [4]: Path('..').resolve()
Out[4]: WindowsPath('C:/the...