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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
...and no multiplication takes place.
From JLS §3.10.1 (thanks to @ChrisK for bringing it up in the comments):
It is a compile-time error if a decimal literal of type int is larger than 2147483648 (231), or if the decimal literal 2147483648 appears anywhere other than as the operand of the unar...
How do I encode and decode a base64 string?
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Null checks for input strings in both functions and the solution is perfect :)
– Sverrir Sigmundarson
Mar 29 '14 at 23:05
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How to send SMS in Java
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(Disclaimer: I work at Twilio)
Twilio offers a Java SDK for sending SMS via the Twilio REST API.
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What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i
...nded you use a proper/better webserver (like thin or passenger standalone) for web. Upcoming versions of Ruby will fix this issue.
– Luis Lavena
Apr 4 '12 at 23:16
3
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Read a text file using Node.js?
...ents to get the filename and the FileSystem module (fs) to read the file. For example:
// Make sure we got a filename on the command line.
if (process.argv.length < 3) {
console.log('Usage: node ' + process.argv[1] + ' FILENAME');
process.exit(1);
}
// Read the file and print its contents.
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What's the shortest code to cause a stack overflow? [closed]
...e the Javascript array that represents the Befunge stack becomes too large for the browser to reallocate. If you had a simple Befunge interpreter with a smaller and bounded stack--as is the case with most of the languages below--this program would cause a more noticeable overflow faster.
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How does the SQL injection from the “Bobby Tables” XKCD comic work?
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By the way, there is no way for the school director in the comics to be aware or the XSS since the student table is deleted, he can't know who has done this.
– xryl669
Feb 28 at 15:00
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Difference between ProcessBuilder and Runtime.exec()
...overloads of exec() will tokenise the string into an array of arguments, before passing the string array onto one of the exec() overloads that takes a string array. The ProcessBuilder constructors, on the other hand, only take a varargs array of strings or a List of strings, where each string in th...
How to use the 'main' parameter in package.json?
... should be a module ID relative to the root of your package
folder.
For most modules, it makes the most sense to have a main script and
often not much else.
To put it short:
You only need a main parameter in your package.json if the entry point to your package differs from index.js in i...
How are parameters sent in an HTTP POST request?
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The values are sent in the request body, in the format that the content type specifies.
Usually the content type is application/x-www-form-urlencoded, so the request body uses the same format as the query string:
parameter=value&also=another
When you use a file upl...