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What's the difference between IComparable & IEquatable interfaces?
... implementing IEquatable for a class where a partial ordering makes sense, and where you very definitely want the consumer to infer that just because CompareTo() returns zero, this does not imply that the objects are equal (for anything other than sorting purposes).
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Javadoc: package.html or package-info.java
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package-info.java: "This file is new in JDK 5.0, and is preferred over package.html."—javadoc - The Java API Documentation Generator
Addendum: The big difference seems to be package annotations. There's a little more in the way of rationale in 7.4 Package Declarations.
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Is it possible to hide the cursor in a webpage using CSS or Javascript?
...It doesn't have to be interactive at all. I tried with the cursor property and a transparent cursor image but I didn't make it work.
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How do you clear the focus in javascript?
... In 2013, the browser share of Firefox 2 is substantially less than 0.66%, and the simple document.activeElement.blur() is the best way to achieve this effect.
– chowey
Nov 28 '13 at 21:57
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Equal sized table cells to fill the entire width of the containing table
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this solution is better, and should work even with dynamically generated columns
– Imran Omar Bukhsh
Jan 22 '13 at 1:19
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Copy existing project with a new name in Android Studio
I would like to copy my Android project and create a new project from the same files just with a different name. The purpose of this is so I can have a second version of my app which is ad supported in the app store.
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How do I get time of a Python program's execution?
I have a command line program in Python that takes a while to finish. I want to know the exact time it takes to finish running.
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How to create directory automatically on SD card
...n. Something like this (in the manifest) should work:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
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iPhone: Detecting user inactivity/idle time since last screen touch
...dleTimerExceeded {
NSLog(@"idle time exceeded");
}
where maxIdleTime and idleTimer are instance variables.
In order for this to work, you also need to modify your main.m to tell UIApplicationMain to use your delegate class (in this example, AppDelegate) as the principal class:
int retVal = U...
How do I write a custom init for a UIView subclass in Swift?
Say I want to init a UIView subclass with a String and an Int .
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