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When should I make explicit use of the `this` pointer?
...on't particular like it, I've seen others use this-> simply to get help from intellisense!
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Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
...pt tag into the head part of your html (you know that you can load scripts from different domains than yours here).
However, to use jsonp the server must be configured properly. If this is not the case you cannot use jsonp and you MUST rely on a server side proxy (PHP, ASP, etc.). There are plenty o...
Clearing a string buffer/builder after loop
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I think the performance benefit comes from the string mutability, not from saving the instantiation. here's a quick test of 1e8 iterations: inside loop (2.97s): ideone.com/uyyTL14w, outside loop (2.87s): ideone.com/F9lgsIxh
– Mark Elliot
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How to check if UILabel is truncated?
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from the doc : textRectForBounds:limitedToNumberOfLines: "You should not call this method directly"...
– Martin
Nov 7 '12 at 15:25
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Reading a plain text file in Java
...TEXT file so you would use Readers for reading. Java also supports reading from a binary file using InputStreams. If the files being read are huge then you would want to use a BufferedReader on top of a FileReader to improve read performance.
Go through this article on how to use a Reader
I'd also...
Regex - how to match everything except a particular pattern
...s that it converted /(ac|bd)/ into /(a[^c]?|b[^d]?|[^ab])/. The conversion from a DFA back to a regular expression is not trivial. It is easier if you can use the regular expression unchanged and change the semantics in code, like suggested before.
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Using “this” with class name
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ClassName.this is used to reference the current instance of an outerclass from an inner class.
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No 'Access-Control-Allow-Origin' - Node / Apache Port Issue
...sweet little library that handled my use case of wanting different methods from different origins quite nicely... and less code fatigue for the next guy looking at it.
– Kyle Baker
Feb 15 '17 at 19:41
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Read url to string in few lines of java code
...tion, which is not a single line, do this:
public static String readStringFromURL(String requestURL) throws IOException
{
try (Scanner scanner = new Scanner(new URL(requestURL).openStream(),
StandardCharsets.UTF_8.toString()))
{
scanner.useDelimiter("\\A");
retur...
Is there a goto statement in Java?
... Goto being a reserved keyword in Java is great because it prevents people from naming labels "goto:".
– Winter
Jun 23 '17 at 17:01
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