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What's the difference between detaching a Fragment and removing it?
In the Android docs for a FragmentTransaction I noticed two very similar methods: detach and remove . The descriptions over there don't seem to provide much insight about when to use each, and from what I can tell they appear to be the same.
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Truncate a string straight JavaScript
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Use the substring method:
var length = 3;
var myString = "ABCDEFG";
var myTruncatedString = myString.substring(0,length);
// The value of myTruncatedString is "ABC"
So in your case:
var length = 3; // set to the number of characters you want to keep
var pathname = document.referrer;
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Reset select2 value and show placeholder
How do I set the placeholder on value reset by select2. In my example If locations or grade select boxes are clicked and my select2 has a value than the value of select2 should reset and show the default placeholder. This script is resetting the value but won't show the placeholder
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How can I use threading in Python?
...eading in Python. I've looked at the documentation and examples, but quite frankly, many examples are overly sophisticated and I'm having trouble understanding them.
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Hidden features of mod_rewrite
There seem to be a decent number of mod_rewrite threads floating around lately with a bit of confusion over how certain aspects of it work. As a result I've compiled a few notes on common functionality, and perhaps a few annoying nuances.
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What is the shortcut in IntelliJ IDEA to find method / functions?
I know that Ctrl + N is to find classes and it is very useful. But what about methods?
16 Answers
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Delete all the queues from RabbitMQ?
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First, list your queues:
rabbitmqadmin list queues name
Then from the list, you'll need to manually delete them one by one:
rabbitmqadmin delete queue name='queuename'
Because of the output format, doesn't appear you ca...
Get yesterday's date in bash on Linux, DST-safe
...t runs on Linux and uses this call to get yesterday's date in YYYY-MM-DD format:
10 Answers
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bower command not found windows
I am having huge problems trying to use bower (to install foundation 5) or get anything bower related to work on the command line.
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Rounding a double to turn it into an int (java)
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What is the return type of the round() method in the snippet?
If this is the Math.round() method, it returns a Long when the input param is Double.
So, you will have to cast the return value:
int a = (int) Math.round(doubleVar);
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