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Is volatile expensive?
...LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad and LoadStore are effectively no-ops on X86 CPUs. Does this mean that volatile read operations can be done without a explicit cache invalidation on x86, and is as fast as a normal variable read (disregarding the reordering co...
How to uninstall Jenkins?
...an't find any hint anywhere. So how one is supposed to do that, in general and specifically on Mac?
8 Answers
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C# Interfaces. Implicit implementation versus Explicit implementation
What are the differences in implementing interfaces implicitly and explicitly in C#?
12 Answers
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Iterate through a HashMap [duplicate]
...t value : map.values()) {
// ...
}
Finally, if you want both the key and value, use entrySet():
for (Map.Entry<String, Object> entry : map.entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
// ...
}
One caveat: if you want to remove items mid-itera...
What is Clojure useful for? [closed]
... webservers
HTML Templating
Running parallel tasks (fetching multiple URLs and process in parallel)
Playing around with real time audio
Simulations
That's the practical / fun stuff.
But Clojure has plenty of theoretical depth as well. Ideas that will become increasingly more relevant as the mains...
How to retrieve absolute path given relative
Is there a command to retrieve the absolute path given the relative path?
21 Answers
2...
Unable to resolve host “” No address associated with hostname
... give your app the permission to use the internet. Try adding this to your android manifest:
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
...
How to get the second column from command output?
My command's output is something like:
8 Answers
8
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Delete a project from SonarQube
... with Firefox but not Chrome or Safari. This is an old bug from Sonar 3.x and is still present in 4.2.
– RCross
Apr 8 '14 at 9:44
...
Android Studio: how to remove/update the “Created by” comment added to all new classes?
By default Android Studio automatically adds a header comment to all new classes, e.g.
9 Answers
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