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DataTrigger where value is NOT null?
I know that I can make a setter that checks to see if a value is NULL and do something. Example:
12 Answers
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Disable/turn off inherited CSS3 transitions
...tent</a>
<a href="#" class="transition">Content</a>
...and CSS:
a {
color: #f90;
-webkit-transition:color 0.8s ease-in, background-color 0.1s ease-in ;
-moz-transition:color 0.8s ease-in, background-color 0.1s ease-in;
-o-transition:color 0.8s ease-in, backgr...
Increase heap size in Java
...ou ask for 5g on a 32 bit system java will complain about an invalid value and quit.
As others have posted, use the cmd-line flags - e.g.
java -Xmx6g myprogram
You can get a full list (or a nearly full list, anyway) by typing java -X.
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Switch case with fallthrough?
... should occur before do_what_you_are_supposed_to_do(), collapsing both "2" and "3" into a single case fails to address this. I'm unsure if editing the question to make this clearer is reasonable, since it's obvious that many people have found this answer helpful.
– Tyson
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How do you add an in-app purchase to an iOS application?
How do you add an in-app purchase to an iOS app? What are all the details and is there any sample code?
5 Answers
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Checking for NULL pointer in C/C++ [closed]
...ol NULL. They do not expose the opportunity for the accidental assignment. And they are clear and succinct.
Edit: As SoapBox points out in a comment, they are compatible with C++ classes such as auto_ptr that are objects that act as pointers and which provide a conversion to bool to enable exactly...
Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
...elf...Found it didn't work. So i check out the source code of ArrayAdapter and found out the problem. The ArrayAdapter, on being initialized by an array, converts the array into a AbstractList (List) which cannot be modified.
Solution
Use an ArrayList<String> instead using an array while init...
How to get the ASCII value of a character
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From here:
function ord() would get the int value
of the char. And in case you want to
convert back after playing with the
number, function chr() does the trick.
>>> ord('a')
97
>>> chr(97)
'a'
>>> chr(ord('a') + 3)
'd'
>>>
In Python 2, there i...
Getting command-line password input in Python
...w in Linux when you try some Sudo stuff it tells you to enter the password and, as you type, nothing is shown in the terminal window (the password is not shown)?
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How do I get cURL to not show the progress bar?
I'm trying to use cURL in a script and get it to not show the progress bar.
5 Answers
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