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Find the last element of an array while using a foreach loop in PHP
...t are intended for the task. i=0; and ++i; have always seemed hackish in a scripting language like PHP.
– CheddarMonkey
Oct 5 '18 at 23:22
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How to extract numbers from a string in Python?
...base python. That's not good practice since you might need it later in the script.
– Jonas Lindeløv
Aug 20 '15 at 9:58
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Best practices for circular shift (rotate) operations in C++
...h>, while gcc require <x86intrin.h>. An #ifdef takes care of gcc vs. icc, but clang doesn't seem to provide them anywhere, except in MSVC compatibility mode with -fms-extensions -fms-compatibility -fms-compatibility-version=17.00. And the asm it emits for them sucks (extra masking and a C...
Big-O for Eight Year Olds? [duplicate]
...0 | 10000
So take quicksort which is O(n log(n)) vs bubble sort which is O(n^2). When sorting 10 things, quicksort is 3 times faster than bubble sort. But when sorting 100 things, it's 14 times faster! Clearly picking the fastest algorithm is important then. When you ge...
How do you echo a 4-digit Unicode character in Bash?
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Just put "☠" in your shell script. In the correct locale and on a Unicode-enabled console it'll print just fine:
$ echo ☠
☠
$
An ugly "workaround" would be to output the UTF-8 sequence, but that also depends on the encoding used:
$ echo -e '\xE...
.classpath and .project - check into version control or not?
...d potentially error prone.
Some complex setups may be better handled by a script to generate these files, but usually it is better to just check them in.
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How to set auto increment primary key in PostgreSQL?
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I have tried the following script to successfully auto-increment the primary key in PostgreSQL.
CREATE SEQUENCE dummy_id_seq
START WITH 1
INCREMENT BY 1
NO MINVALUE
NO MAXVALUE
CACHE 1;
CREATE table dummyTable (
id bigint DEFAULT nextval('dum...
How do you get a directory listing sorted by creation date in python?
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I've done this in the past for a Python script to determine the last updated files in a directory:
import glob
import os
search_dir = "/mydir/"
# remove anything from the list that is not a file (directories, symlinks)
# thanks to J.F. Sebastion for pointing out...
Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...ases also exist. See: https://msdn.microsoft.com/en-us/library/bb534960(v=vs.110).aspx
I wonder what the reason was why the language designers opted for Function,
Bifunction and did not continue until DecaExiFunction?
The answer to the second part is type erasure. After compilation there is n...
Create Windows service from executable
...the service will start? also how can I do this without user interaction? a script or code of some sort?
– John Demetriou
Nov 18 '14 at 12:16
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