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Why does Python code use len() function instead of a length method?
...that python has a len() function that is used to determine the size of a string, but I was wondering why it's not a method of the string object.
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Get Root Directory Path of a PHP project
... is what you are looking for, isn't it?
In that case you could explode the string by slashes and return the first one:
$pathInPieces = explode('/', $_SERVER['DOCUMENT_ROOT']);
echo $pathInPieces[0];
This will output the server's root directory.
Update: When you use the constant DIRECTORY_SEPARAT...
How to access the correct `this` inside a callback?
... that adds meaning, or some preceding and following information that gives extra meaning. The term "context" is used in ECMAScript to refer to execution context, which is all the parameters, scope, and this within the scope of some executing code.
This is shown in ECMA-262 section 10.4.2:
Set the T...
Regular expression: find spaces (tabs/space) but not newlines
...d so far (Perl, .NET, PCRE, Python). You'll need to either normalize your strings first (such as by replacing all \u3000 with \u0020), or you'll have to use a character set that includes this codepoint in addition to whatever other whitespace you're targeting, such as [ \t\u3000].
If you're using ...
sys.argv[1] meaning in script
...evel.
For every invocation of Python, sys.argv is automatically a list of strings representing the arguments (as separated by spaces) on the command-line. The name comes from the C programming convention in which argv and argc represent the command line arguments.
You'll want to learn more about l...
Change column type from string to float in Pandas
...meric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetime() and to_timedelta().)
astype() - convert (almost) any type to (almost) any other type (even if it's not necessarily sensible to do so). Also allows you to convert t...
How to get URI from an asset File?
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Doesn't work anymore String fileName = "file:///android_asset/file.csv"; System.out.println(new File(fileName).exists()); // prints false
– Elgirhath
Jun 19 at 20:15
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
...ver=utf8mb4, and leave characterEncoding out of the Connector/J connection string. Connector/J will then autodetect the UTF-8 setting.
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List of Rails Model Types
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:binary
:boolean
:date
:datetime
:decimal
:float
:integer
:primary_key
:string
:text
:time
:timestamp
These are documented under column in the Active Record API.
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How do I convert from int to String?
I'm working on a project where all conversions from int to String are done like this:
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