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What is the default value for enum variable?
...s whatever member of the enumeration represents the value 0. Specifically, from the documentation:
The default value of an enum E is the value produced by the expression (E)0.
As an example, take the following enum:
enum E
{
Foo, Bar, Baz, Quux
}
Without overriding the default values, p...
In Vim, how do you search for a word boundary character, like the \b in regexp?
...me "regexp" means PCRE. It is worth noting that Vim's regex syntax differs from (and apparently predates) PCRE.
See also:
Why does VIM have its own regex syntax?
What's the difference between vim regex and normal regex?
Within vim's regex engine, why are some metacharacters escaped and some are n...
TypeScript typed array usage
...of these. They are not giving me errors.
It is also the suggested method from typescript for array declaration.
By using the Array<Thing> it is making use of the generics in typescript. It is similar to asking for a List<T> in c# code.
// Declare with default value
private _possess...
Rounding DateTime objects
...mething like Bankers Rounding technically round half even to be truly free from bias.
It is quite likely that you really only care about the first point but in these 'simple' questions the resulting behaviour can have far reaching consequences as you use it in the real world (often at the interva...
Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
...rhost" }
That way, it can work in all environments and could be different from environment to environment. For example:
development.rb
config.action_mailer.default_url_options = { :host => "dev.yourhost.com" }
test.rb
config.action_mailer.default_url_options = { :host => "test.yourhost.c...
express throws error as `body-parser deprecated undefined extended`
...
As from Express version 4.16.0, you're expected to pass in extended property inside the bodyParser.urlencoded()
// parse JSON-encoded bodies and URL-encoded bodies
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ ex...
How do you calculate log base 2 in Java for integers?
...
Download the jar from here and add it to your project's build path.
– Debosmit Ray
Feb 18 '16 at 6:03
2
...
Setting environment variables for accessing in PHP when using Apache
...
is this any different from using a .env file such as the way laravel does this? Does this make it any way less secure? I ask this because I'm building the same backend structure with multiple frameworks (laravel, express, django, etc.) and some de...
Open document with default OS application in Python, both in Windows and Mac OS
...er things for Mac OS/X and Windows respectively, to do this.
To call them from Python, you can either use subprocess module or os.system().
Here are considerations on which package to use:
You can call them via os.system, which works, but...
Escaping: os.system only works with filenames that d...
Can every recursion be converted into iteration?
... such a system. He spent a long time trying to separate the implementation from the semantics of a programming language. Then again, his non-deterministic and multiprocessing programming languages are in a league above the practicing professional programmer.
In the final analysis, many functions ar...