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Convert seconds to HH-MM-SS with JavaScript?
...ay that's more convenient than just doing the math yourself.
hours = Math.floor(totalSeconds / 3600);
totalSeconds %= 3600;
minutes = Math.floor(totalSeconds / 60);
seconds = totalSeconds % 60;
Example:
let totalSeconds = 28565;
let hours = Math.floor(totalSeconds / 3600);
totalSeconds %= ...
.war vs .ear file
...jar extension
WAR:
Web modules which contain Servlet class files, JSP Files, supporting files, GIF and HTML files are packaged as a JAR file with .war (web archive) extension
EAR:
All the above files (.jar and .war) are packaged as a JAR file with .ear (enterprise archive) extensio...
How can I get seconds since epoch in Javascript?
...r d = new Date();
var seconds = d.getTime() / 1000;
Don't forget to Math.floor() or Math.round() to round to nearest whole number or you might get a very odd decimal that you don't want:
var d = new Date();
var seconds = Math.round(d.getTime() / 1000);
...
Format bytes to kilobytes, megabytes, gigabytes
...y('B', 'KB', 'MB', 'GB', 'TB');
$bytes = max($bytes, 0);
$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
$pow = min($pow, count($units) - 1);
// Uncomment one of the following alternatives
// $bytes /= pow(1024, $pow);
// $bytes /= (1 << (10 * $pow));
...
How can I truncate a double to only two decimal places in Java?
...mat(dblVar);
If you need it for calculations, use java.lang.Math:
Math.floor(value * 100) / 100;
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Code for a simple JavaScript countdown timer?
...rval(interval);
complete();
}
else update(Math.floor(now/1000));
},100); // the smaller this number, the more accurate the timer will be
}
To use, call:
timer(
5000, // milliseconds
function(timeleft) { // called every step to update the visible countdown
...
Is there a ceiling equivalent of // operator in Python?
...out about the // operator in Python which in Python 3 does division with floor.
7 Answers
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How do servlets work? Instantiation, sessions, shared variables and multithreading
...o set the headers and the body (usually with generated HTML content from a JSP file). When the HTTP response is committed and finished, both the request and response objects are recycled and made available for reuse.
HttpSession
When a client visits the webapp for the first time and/or the HttpSes...
Revert to Eclipse default settings
...
Ankit Sharma suggested this approach: For JSP Files(.jsp) - Window->Preferences->Web->Jsp Files->Editor->Syntax Coloring on right side, click on restore default and apply; For HTML Files (.html) - Window->Preferences->Web->HTML Files->Edit...
How to manually set an authenticated user in Spring Security / SpringMVC
...t to another resource (for instance, a servlet forwarding the request to a JSP page in the same application), a filter can be operating before the request is handled by the targeted resource. It also means that should a Web resource include the output or function from other Web resources (for instan...