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Optional Parameters in Go?
...l parameters? Or can I just define two functions with the same name and a different number of arguments?
12 Answers
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Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...e and that is probably one way to "update just a part" of the screen.
So, if you want to "update a part of the screen", just avoid calling Canvas.drawColor() method.
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Unit Testing: DateTime.Now
...e unit tests that expects the 'current time' to be different than DateTime.Now and I don't want to change the computer's time, obviously.
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How to copy a directory using Ant
...How do you copy the contents of a directory using Ant". There is a subtle difference.
– cmcginty
Jan 26 '13 at 0:41
"t...
How do I show/hide a UIBarButtonItem?
...ted:YES];
// This is how you add the button to the toolbar and animate it
if (![toolbarButtons containsObject:self.myButton]) {
// The following line adds the object to the end of the array.
// If you want to add the button somewhere else, use the `insertObject:atIndex:`
// method in...
How do I join two lists in Java?
Conditions: do not modifiy the original lists; JDK only, no external libraries. Bonus points for a one-liner or a JDK 1.3 version.
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How do I find the time difference between two datetime objects in python?
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>>> import datetime
>>> first_time = datetime.datetime.now()
>>> later_time = datetime.datetime.now()
>>> difference = later_time - first_time
>>> seconds_in_day = 24 * 60 * 60
datetime.timedelta(0, 8, 562000)
>>> divmod(difference.days * secon...
NOW() function in PHP
...n that returns the date and time in the same format as the MySQL function NOW() ?
20 Answers
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Android studio: new project vs new module
...p, and one module per library and per test app.
There are multiple issues if you try to build multiple apps within the same project. It's possible, but if you try (like I did), you will see that almost everything is designed to work with a single app per project.
For example, there is an option ...
Can you use if/else conditions in CSS?
...
Not in the traditional sense, but you can use classes for this, if you have access to the HTML. Consider this:
<p class="normal">Text</p>
<p class="active">Text</p>
and in your CSS file:
p.normal {
background-position : 150px 8px;
}
p.active {
background-p...