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Keeping ASP.NET Session Open / Alive
Which is the easiest and most unobstrusive way to keep an ASP.NET session alive as long as the user has the browser window open? Is it timed AJAX calls? I want to prevent the following: sometimes users keep their window open for a long time, then enter stuff, and on submit nothing works anymore beca...
How should equals and hashcode be implemented when using JPA and Hibernate
...lementation good enough for most cases? Is there any sense to use business keys?
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Rethrowing exceptions in Java without losing the stack trace
...se the throw; statement to rethrow an exception while preserving the stack trace:
9 Answers
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Is there any difference between “foo is None” and “foo == None”?
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BrendanBrendan
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convert a list of objects from one type to another using lambda expression
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JaredParJaredPar
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Java array reflection: isArray vs. instanceof
...you test an object's type before downcasting to a particular type which is known at compile time. For example, perhaps you wrote some code that can work with a Integer[] or an int[]. You'd want to guard your casts with instanceof:
if (obj instanceof Integer[]) {
Integer[] array = (Integer[]) ob...
Cannot push to GitHub - keeps saying need merge
...ancestor of the local ref used to overwrite it. This flag disables the check. This can cause the remote repository to lose commits; use it with care.
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How to set a JVM TimeZone Properly
I am trying to run a Java program, but it is taking a default GMT timezone instead of an OS defined timezone. My JDK version is 1.5 and the OS is Windows Server Enterprise (2007)
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How to debug an apache virtual host configuration?
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Syntax check
To check configuration files for syntax errors:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -t
# Debian-based (Ubuntu)
apache2ctl -t
# MacOS
apachectl -t
List virtual hosts
To list all virtual hosts, and their locatio...
How do I enable standard copy paste for a TextView in Android?
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Shylendra Madda
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answered Apr 30 '12 at 15:45
CommonsWareCommo...