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Are non-synchronised static methods thread safe if they don't modify static class variables?
...y usual function would have threading problems if not synchronized, so all API functions in the JDK would have to be synchronized, because they could potentially be called by multiple threads. And since most time the app is using some API, multithreaded apps would effectively be impossible.
This is...
What is the best way to tell if a character is a letter or number in Java without using regexes?
... more than a-Z0-9 !!! refer to the doc here docs.oracle.com/javase/7/docs/api/java/lang/…
– fl0w
Mar 6 '19 at 16:49
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When should I use std::thread::detach?
...er some applications rely on old and often not well designed and supported APIs that may contain indefinitely blocking functions. Moving invocations of these functions into a dedicated thread to avoid blocking other stuff is a common practice. There is no way to make such a thread to exit gracefully...
What's the key difference between HTML 4 and HTML 5?
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HTML5 introduces a number of APIs that help in creating Web applications. These can be used together with the new elements introduced for applications:
An API for playing of video and audio which can be used with the new video and audio elements.
An AP...
Is there a way to list task dependencies in Gradle?
...es'
- task 'processResources' input files
task ':classes'
- org.gradle.api.internal.tasks.DefaultTaskDependency@287a7782
- task 'classes' input files
- compileJava
- dirs
- compileScala
- processResources
task ':jar'
- task 'jar' input files
task ':assemble'
- task 'assemble' input...
TCP: can two different sockets share a port?
...entirely true of the server side. However the structure of the BSD Sockets API means that outgoing client-side ports must be unique in practice, because the bind() operation precedes the connect() operation, even implicitly.
– Marquis of Lorne
Jun 21 '12 at 10:...
Can Java 8 code be compiled to run on Java 7 JVM?
...res new JVM features.
Lambdas could run on Java 7 as-is, if the necessary API classes just would exist there. The invokedynamic instruction exists on Java 7, but it would have been possible to implement lambdas so that it generates the lambda classes at compile time (early JDK 8 builds did it that ...
Get screen width and height in Android
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@digiphd wouldn't Parang's code work on all API versions? All methods were introduced before API level 8 and I didn't find them deprecated at the android dev site.
– Sufian
May 22 '13 at 12:52
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Long-lasting FB access-token for server to pull FB page info
... same user account that is the page admin)
Head over to the Facebook Graph API Explorer
On the top right, select the FB App you created from the "Application" drop down list
Click "Get Access Token"
Make sure you add the manage_pages permission
Convert this short-lived access token into a long-lived...
Why doesn't JUnit provide assertNotEquals methods?
...UnderTest.equals(someOtherObject))? I'm not convinced by the fancy matcher APIs - it seems to be considerably harder for a programmer to explore/discover how to use them...
– bacar
May 8 '12 at 17:49
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