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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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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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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...
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 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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What was the strangest coding standard rule that you were forced to follow? [closed]
... recently, multiple returns were banned. Then the fact this was a leftover from C, rendered obsolete by C++ RAII and functions with size less than 15 lines, was revealed. Since then, like Braveheart: "FREEDOM !!!!" ... :-p ...
– paercebal
Oct 20 '08 at 21:13
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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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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 escape @ characters in Subversion managed file names?
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From the SVN book (emphasis added):
The perceptive reader is probably wondering at this point whether the peg revision syntax causes problems for working copy paths or URLs that actually have at signs in them. After all, ...
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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