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Better explanation of when to use Imports/Depends
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"Imports" is safer than "Depends" (and also makes a package using it a 'better citizen' with respect to other packages that do use "Depends").
A "Depends" directive attempts to ensure that a function from another package is available ...
Booleans, conditional operators and autoboxing
Why does this throw NullPointerException
4 Answers
4
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Getting the last element of a list
In Python, how do you get the last element of a list?
12 Answers
12
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.rar, .zip files MIME Type
...ompressed, multipart/x-zip
I would do a check on the file name too. Here is how you could check if the file is a RAR or ZIP file. I tested it by creating a quick command line application.
<?php
if (isRarOrZip($argv[1])) {
echo 'It is probably a RAR or ZIP file.';
} else {
echo 'It is ...
What column type/length should I use for storing a Bcrypt hashed password in a Database?
...hed password (using BCrypt) in a database. What would be a good type for this, and which would be the correct length? Are passwords hashed with BCrypt always of same length?
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How can I link to a specific glibc version?
...04 PC it gets linked against glibc. Lucid uses 2.11 of glibc. When I run this binary on another PC with an older glibc, the command fails saying there's no glibc 2.11...
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Can two applications listen to the same port?
...nd to the same port and IP address? Taking it a step further, can one app listen to requests coming from a certain IP and the other to another remote IP?
I know I can have one application that starts off two threads (or forks) to have similar behavior, but can two applications that have nothing in ...
How do I get a plist as a Dictionary in Swift?
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In swift 3.0 Reading from Plist.
func readPropertyList() {
var propertyListFormat = PropertyListSerialization.PropertyListFormat.xml //Format of the Property List.
var plistData: [String: AnyObject] = [:] //Our data
let plistPa...
MongoDB and “joins” [duplicate]
I'm sure MongoDB doesn't officially support "joins". What does this mean?
11 Answers
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How do I use Node.js Crypto to create a HMAC-SHA1 hash?
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edited Dec 2 '19 at 17:31
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