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Replacing a fragment with another fragment inside activity group
... transaction = getSupportFragmentManager().beginTransaction();
// Replace whatever is in the fragment_container view with this fragment,
// and add the transaction to the back stack if needed
transaction.replace(R.id.fragment_container, newFragment);
transaction.addToBackStack(null);
// Commit the...
Where are static methods and static variables stored in Java?
...t is totally up to the JVM to decide when to run the garbage collector and what to collect, even if an object is eligible for garbage collection.
Of course you can set a static variable to null and thus remove the reference to the object on the heap but that doesn't mean the garbage collector will ...
jQuery `.is(“:visible”)` not working in Chrome
...block" or "inline-block" to make it work.
Also note that jQuery has a somewhat different definition of what is visible than many developers:
Elements are considered visible if they consume space in the document.
Visible elements have a width or height that is greater than zero.
In other wor...
Reopen last closed tab in Visual Studio
Is there any way to reopen the last closed tab in Visual Studio? Similar to Ctrl + Shift + t in FireFox and Chrome?
8 Ans...
Should I use Java date and time classes or go with a 3rd party library like Joda Time?
...have a head-start on learning java.time in Java 8, as they're at least somewhat similar
Cons:
It's another API to learn (although the docs are pretty good)
It's another library to build against and deploy
When you use Java 8, there's still some work to migrate your skills
I've failed to use the ...
How to check if a file is empty in Bash?
...
Misspellings are irritating, aren't they? Check your spelling of empty, but then also try this:
#!/bin/bash -e
if [ -s diff.txt ]
then
rm -f empty.txt
touch full.txt
else
rm -f full.txt
touch empty.txt
fi
I like shell script...
How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
...
As a workaround you could add a handler to the ServicePointManager's ServerCertificateValidationCallback on the client side:
System.Net.ServicePointManager.ServerCertificateValidationCallback +=
(se, cert, chain, sslerror) =>
{
return true;...
When is “i += x” different from “i = i + x” in Python?
... the concatenated list in the current namespace as b -- With no regard for what b was the line before.
1In the expression x + y, if x.__add__ isn't implemented or if x.__add__(y) returns NotImplemented and x and y have different types, then x + y tries to call y.__radd__(x). So, in the case wher...
How do I pass a class as a parameter in Java?
...
I am not sure what you are trying to accomplish, but you may want to consider that passing a class may not be what you really need to be doing. In many cases, dealing with Class like this is easily encapsulated within a factory pattern of...
How do I make curl ignore the proxy?
How do I make curl ignore the proxy?
Setting $NO_PROXY doesn't seem to work for me.
12 Answers
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