大约有 47,000 项符合查询结果（耗时：0.0611秒） [XML]
How to convert Milliseconds to “X mins, x seconds” in Java?
...btract the current System.currentTimeMillis() from the start variable, and I want to show them the time elapsed using a human readable format such as "XX hours, XX mins, XX seconds" or even "XX mins, XX seconds" because its not likely to take someone an hour.
...
Why do we use Base64?
...
Your first mistake is thinking that ASCII encoding and Base64 encoding are interchangeable. They are not. They are used for different purposes.
When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes.
When you encode data in Base64,...
Why use @Scripts.Render(“~/bundles/jquery”)
... any formatting (also referred as minified) into a single file for saving bandwith and number of requests to load a page.
As example you could create your own bundle:
bundles.Add(New ScriptBundle("~/bundles/mybundle").Include(
"~/Resources/Core/Javascripts/jquery-1.7.1.min.js",
...
How to check that an object is empty in PHP?
...
You can cast to an array and then check if it is empty or not
$arr = (array)$obj;
if (!$arr) {
// do stuff
}
share
|
improve this answer
...
Pure virtual function with implementation
My basic understanding is that there is no implementation for a pure virtual function, however, I was told there might be implementation for pure virtual function.
...
What's the best way to model recurring events in a calendar application?
...s to support recurring events, but all the solutions I've come up with to handle these events seem like a hack. I can limit how far ahead one can look, and then generate all the events at once. Or I can store the events as repeating and dynamically display them when one looks ahead on the calendar, ...
Advantage of switch over if-else statement
...0 have an expected action (that presently is the same action). Performance and space need to be considered but are not critical. I've abstracted the snippet so don't hate me for the naming conventions.
...
How do I start a program with arguments when debugging?
...o Project-><Projectname> Properties. Then click on the Debug tab, and fill in your arguments in the textbox called Command line arguments.
share
|
improve this answer
|
...
On design patterns: When should I use the singleton?
...ptable" reasons to use a Singleton.
One reason that tends to come up over and over again on the internets is that of a "logging" class (which you mentioned). In this case, a Singleton can be used instead of a single instance of a class because a logging class usually needs to be used over and over ...
Is there a MySQL option/feature to track history of changes to records?
...QL database. So when a field has been changed, the old vs new is available and the date this took place. Is there a feature or common technique to do this?
...