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How do I get a file's directory using the File object?
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File API File.getParent or File.getParentFile should return you Directory of file.
Your code should be like :
File file = new File("c:\\temp\\java\\testfile");
if(!file.exists()){
file = file.getParentFile();
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Replacing all non-alphanumeric characters with empty strings
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@JakubTurcovsky docs.oracle.com/javase/10/docs/api/java/util/regex/Pattern.html defines IsAlphabetic and IsDigit as binary properties. Alpha and Digit are POSIX character classes (US-ASCII only). Except the docs.oracle.com/javase/10/docs/api/java/util/regex/… flag is sp...
JavaScriptSerializer - JSON serialization of enum as string
... The third line from this example was added to the App_start/webapiconfig.cs file and did a trick for me in an ASP.NET Web API 2.1 project to return strings for enum values in REST (json fomat) calls.
– Greg Z.
Mar 21 '14 at 17:27
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How do you parse and process HTML/XML in PHP?
... The DOM extension allows you to operate on XML documents through the DOM API with PHP 5. It is an implementation of the W3C's Document Object Model Core Level 3, a platform- and language-neutral interface that allows programs and scripts to dynamically access and update the content, structure and ...
What is the purpose of Node.js module.exports and how do you use it?
...tures
(sayhello.js):
Object.assign(exports, {
// Put all your public API here
sayhello() {
console.log("Hello World!");
}
});
(app.js):
const { sayHello } = require('./sayhello');
sayHello(); // "Hello World!"
PS: It looks like Appcelerator also implements CommonJS modules...
how to convert milliseconds to date format in android?
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Thanks Mahmood, this solution requires API Level 1 (my project is lowered to API 15) while other Answer requires API Level 24 (Date and/or Calendar library)
– Steve Rogers
Feb 5 '17 at 18:50
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I need a Nodejs scheduler that allows for tasks at different intervals [closed]
... is a very simple library, which provide very basic and easy to understand api like crontab. It doesn't need any config and just works.
var cronJob = require('cron').CronJob;
var myJob = new cronJob('00 30 11 * * 1-5', function(){...});
myJob.start();
agenda is very powerful and fit for much more...
Get nth character of a string in Swift programming language
...on". Apple provides the following explanation in the file UnavailableStringAPIs.swift:
Subscripting strings with integers is not available.
The concept of "the ith character in a string" has
different interpretations in different libraries and system
components. The correct interpretat...
How to use NSJSONSerialization
...ebserver, and parses it to an NSDictionary. I have used the openweathermap API that returns a simple JSON response for this example. For keeping it simple, this code uses synchronous requests.
NSString *urlString = @"http://api.openweathermap.org/data/2.5/weather?q=London,uk"; // The Openweath...
How to convert a LocalDate to an Instant?
I work with the new DateTime API of Java 8.
2 Answers
2
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