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Using only CSS, show div on hover over
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edited Dec 18 '14 at 22:55
nathanjosiah
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Why does SSL handshake give 'Could not generate DH keypair' exception?
When I make an SSL connection with some IRC servers (but not others - presumably due to the server's preferred encryption method) I get the following exception:
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getActivity() returns null in Fragment function
I have a fragment (F1) with a public method like this
15 Answers
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How is an overloaded method chosen when a parameter is the literal null value?
..., as per section 15.12.2.5 of the JLS. In particular:
The informal intuition is that one method is more specific than another if any invocation handled by the first method could be passed on to the other one without a compile-time type error.
In your second case, both methods are still applica...
Why is String.chars() a stream of ints in Java 8?
...uld to be used for performance code.
However, instead of focusing on why it is done this way currently, I think this answer should focus on showing a way to do it with the API that we have gotten with Java 8.
In Java 7 I would have done it like this:
for (int i = 0; i < hello.length(); i++) {...
How can I match on an attribute that contains a certain string?
...:
//div[contains(@class, 'atag') and contains(@class ,'btag')]
However, it will also find partial matches like class="catag bobtag".
If you don't want partial matches, see bobince's answer below.
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On design patterns: When should I use the singleton?
...rsome.
Logging is a specific example of an "acceptable" Singleton because it doesn't affect the execution of your code. Disable logging, code execution remains the same. Enable it, same same. Misko puts it in the following way in Root Cause of Singletons, "The information here flows one way: From y...
OS X Bash, 'watch' command
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You can emulate the basic functionality with the shell loop:
while :; do clear; your_command; sleep 2; done
That will loop forever, clear the screen, run your command, and wait two seconds - the basic watch your_command implementation.
You can take this a s...
Google Analytics - Failed to load resource: http://www.google-analytics.com/ga.js
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It was a problem with AdBlock. I disabled it and now it loads it normally.
yagudaev suggests (read answers below) that in order to keep AdBlock from blocking Google Analytics, you need to edit the snippet provided and expli...
What are -moz- and -webkit-? [duplicate]
...vendor-prefixed properties offered by the relevant rendering engines (-webkit for Chrome, Safari; -moz for Firefox, -o for Opera, -ms for Internet Explorer). Typically they're used to implement new, or proprietary CSS features, prior to final clarification/definition by the W3.
This allows properti...