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Why implement interface explicitly?
So, what exactly is a good use case for implementing an interface explicitly?
11 Answers
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Calculate relative time in C#
...t;long, string>. What is wrong with the thresholds being evaluated in a set of if/else if/.../else ? You get the same number of comparisons. FYI the hash for long.MaxValue turns out to be the same as int.MinValue!
– CodeMonkeyKing
Nov 9 '11 at 4:47
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Repeat a task with a time delay?
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You should use Handler's postDelayed function for this purpose. It will run your code with specified delay on the main UI thread, so you will be able to update UI controls.
private int mInterval = 5000; // 5 seconds by default, can be changed later
private Han...
Controlling a USB power supply (on/off) with Linux
...ral changes to the USB power management from kernels 2.6.32, which seem to settle in 2.6.38. Now you'll need to wait for the device to become idle, which is governed by the particular device driver. The driver needs to support it, otherwise the device will never reach this state. Unluckily, now the ...
How can I debug my JavaScript code? [closed]
When I find that I have a problematic code snippet, how should I go about debugging it?
20 Answers
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...d be to add your directory containing all files to PHP's include path (via set_include_path()).
And since you require your configuration files as well, you would use spl_autoload_extensions() to list the extensions that you want PHP to look for.
Example:
set_include_path(get_include_path().PATH_S...
What is the relationship between the docker host OS and the container base image OS?
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Viewing a Deleted File in Git
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Select rows which are not present in other table
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NOT IN on large datasets is a terrible idea. Very, very slow. It is bad and should be avoided.
– Grzegorz Grabek
Sep 4 '18 at 17:28
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Keeping ASP.NET Session Open / Alive
...mmy HTTP Handler that does nothing but keeping my Session alive:
function setHeartbeat() {
setTimeout("heartbeat()", 5*60*1000); // every 5 min
}
function heartbeat() {
$.get(
"/SessionHeartbeat.ashx",
null,
function(data) {
//$("#heartbeat").show().fade...