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How can I check if multiplying two numbers in Java will cause an overflow?
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This is really nice. For those wondering, the reason this works is that for integer n, n > x is the same as n > floor(x). For positive integers division does an implicit floor. (For negative numbers it rounds up instead)
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In a .csproj file, what is for?
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Helpful, but why have a "None" item at all, if the file is not to be included in the output? What's the point?
– JimH44
Apr 23 '18 at 9:03
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Function overloading in Javascript - Best practices
...rings("one",2,true); // result = one2true
This particular example is actually more elegant in javascript than C#. Parameters which are not specified are 'undefined' in javascript, which evaluates to false in an if statement. However, the function definition does not convey the information that p2...
How to reload a page using JavaScript
...he web-server again (such as where the document contents
// change dynamically) we would pass the argument as 'true'.
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Sleeping in a batch file
... a Windows box, I've needed to pause its execution for several seconds (usually in a test/wait loop, waiting for a process to start). At the time, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a better write-up of it here , which describes a call...
throws Exception in finally blocks
Is there an elegant way to handle exceptions that are thrown in finally block?
15 Answers
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How to vertically center divs? [duplicate]
I'm trying to make a small username and password input box.
17 Answers
17
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Can you break from a Groovy “each” closure?
...ep looping
}
Prints
1
2
3
4
5
but doesn't print 6 or 7.
It's also really easy to write your own iterator methods with custom break behavior that accept closures:
List.metaClass.eachUntilGreaterThanFive = { closure ->
for ( value in delegate ) {
if ( value > 5 ) break
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How to resize images proportionally / keeping the aspect ratio?
...09/07/jquery-image-resize/
$(document).ready(function() {
$('.story-small img').each(function() {
var maxWidth = 100; // Max width for the image
var maxHeight = 100; // Max height for the image
var ratio = 0; // Used for aspect ratio
var width = $(this).width...
How to retrieve a file from a server via SFTP?
...It supports both user/pass and certificate-based logins nicely, as well as all a whole host of other yummy SSH2 features.
Here's a simple remote file retrieve over SFTP. Error handling is left as an exercise for the reader :-)
JSch jsch = new JSch();
String knownHostsFilename = "/home/username/....