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Node.js check if path is file or directory
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The following should tell you. From the docs:
fs.lstatSync(path_string).isDirectory()
Objects returned from fs.stat() and fs.lstat() are of this type.
stats.isFile()
stats.isDirectory()
stats.isBlockDevice()
stats.isCharacterDevice()
stats.isSymbolicLink() (only valid with fs.lstat())
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What is the best way to concatenate two vectors?
...erator>
#include <iostream>
#include <sstream>
#include <string>
template<template<typename, typename...> class Container, class T>
std::string toString(const Container<T>& v)
{
std::stringstream ss;
std::copy(v.begin(), v.end(), std::ostream_itera...
How to force 'cp' to overwrite directory instead of creating another one inside?
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Be extra careful using this, as it will remove all files from bar, even hidden ones.
– Elia Grady
Jul 13 '17 at 8:20
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How can I store my users' passwords safely?
...<?php
use Netsilik/Lib/PepperedPasswords;
// Some long, random, binary string, encoded as hexadecimal; stored in your configuration (NOT in your Database, as that would defeat the entire purpose of the pepper).
$config['pepper'] = hex2bin('012345679ABCDEF012345679ABCDEF012345679ABCDEF012345679AB...
Extract month and year from a zoo::yearmon object
...an extract the date parts as required:
> format(date1, "%b") ## Month, char, abbreviated
[1] "Mar"
> format(date1, "%Y") ## Year with century
[1] "2012"
> format(date1, "%m") ## numeric month
[1] "03"
These are returned as characters. Where appropriate, wrap in as.numeric() if you want t...
When is each sorting algorithm used? [closed]
...rantee no bad data gives you O(N^2), you should avoid it.
Merge-sort uses extra memory, but is particularly suitable for external sorting (i.e. huge files that don't fit into memory).
Heap-sort can sort in-place and doesn't have the worst case quadratic behavior, but on average is slower than quic...
Force to open “Save As…” popup open at text link click for PDF in HTML
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If you give a string in the download attribute, it will be used as file name. I'm using it in userscripts all the time.
– weaknespase
Apr 9 '18 at 6:36
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How to install the Raspberry Pi cross compiler on my Linux host machine?
...ow you should be able to compile your cmake programs simply by adding this extra flag: -D CMAKE_TOOLCHAIN_FILE=$HOME/raspberrypi/pi.cmake.
Using a cmake hello world example:
git clone https://github.com/jameskbride/cmake-hello-world.git
cd cmake-hello-world
mkdir build
cd build
cmake -D CMAKE_TO...
Among $_REQUEST, $_GET and $_POST which one is the fastest?
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$_GET retrieves variables from the querystring, or your URL.>
$_POST retrieves variables from a POST method, such as (generally) forms.
$_REQUEST is a merging of $_GET and $_POST where $_POST overrides $_GET. Good to use $_REQUEST on self refrential forms for va...
Resolving a Git conflict with binary files
...intuitive - something like git resolve would be nice, but would also be an extra step ...
– VolkA
Nov 10 '08 at 20:22
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