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Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
...uld I use them? In which context? For what purposes?
I don't know, personally I think of it as an API design accident. Slightly forced by compound components having special ideas about child sizes. "Slightly", because they should have implemented their needs with a custom LayoutManager.
What ex...
android webview geolocation
...nts WebChromeClient.onGeolocationPermissionsShowPrompt(). This method
is called by the WebView to obtain permission to disclose the user's location to JavaScript. (In the case of the browser, we show a prompt to the user.) The default implementation does nothing, so permission is never obtained and...
JS: iterating over result of getElementsByClassName using Array.forEach
...on (in modern browsers, at least. Older browsers returned a NodeList).
In all modern browsers (pretty much anything other IE <= 8), you can call Array's forEach method, passing it the list of elements (be it HTMLCollection or NodeList) as the this value:
var els = document.getElementsByClassNam...
How to echo shell commands as they are executed
In a shell script, how do I echo all shell commands called and expand any variable names?
13 Answers
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How to import a single table in to mysql database using command line
...sql file containing data in form of insert statements for table tableName. All the insert statements will be executed and the data will be loaded.
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Check if inputs are empty using jQuery
I have a form that I would like all fields to be filled in. If a field is clicked into and then not filled out, I would like to display a red background.
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Can Java 8 code be compiled to run on Java 7 JVM?
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No, I don't think it will. Java has a small share of the desktop market, but keeps that little share in a pretty tight grip. But it does hamper the adoption of new versions and features. I will not be able to use Java 8 features in the code I write for quite some t...
Should I initialize variable within constructor or outside constructor [duplicate]
...ons:
It makes it clear at a glance how the variable is initialized. Typically, when reading a program and coming across a variable, you'll first go to its declaration (often automatic in IDEs). With style 2, you see the default value right away. With style 1, you need to look at the constructor as...
Standard concise way to copy a file in Java?
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As toolkit mentions above, Apache Commons IO is the way to go, specifically FileUtils.copyFile(); it handles all the heavy lifting for you.
And as a postscript, note that recent versions of FileUtils (such as the 2.0.1 release) have added the use of NIO for copying files; NIO can significantly ...
How to avoid scientific notation for large numbers in JavaScript?
... and browsers based on it (Chrome, the new Edge [v79+], Brave) and Firefox all have support; Safari's support is underway.
Here's how you'd use BigInt for it: BigInt(n).toString()
Example:
const n = 13523563246234613317632;
console.log("toFixed (wrong): " + n.toFixed());
console.log("BigInt...