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Replacing a fragment with another fragment inside activity group
...need to replace a fragment with another, you should have added them dynamically, first of all.
Note: R.id.fragment_container is a layout or container of your choice in the activity you are bringing the fragment to.
// Create new fragment and transaction
Fragment newFragment = new ExampleFragment(...
How to write a switch statement in Ruby
...sing the === operator. For example, 1..5 === x, and not x === 1..5.
This allows for sophisticated when clauses as seen above. Ranges, classes and all sorts of things can be tested for rather than just equality.
Unlike switch statements in many other languages, Ruby’s case does not have fall-thr...
presentViewController and displaying navigation bar
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It is true that if you present a view controller modally on the iPhone, it will always be presented full screen no matter how you present it on the top view controller of a navigation controller or any other way around. But you can always show the navigation bar with the follo...
How do I make python wait for a pressed key?
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@JonTirsen that's because Python 2.7 has a function called input which evaluates the string you input. To fix, use raw_input
– Samy Bencherif
Dec 3 '15 at 3:16
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How to supply value to an annotation from a Constant java
... of the form TypeName . Identifier that refer to constant variables.
Actually in java there is no way to protect items in an array. At runtime someone can always do FieldValues.FIELD1[0]="value3", therefore the array cannot be really constant if we look deeper.
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android layout: This tag and its children can be replaced by one and a compound drawable
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Hey look at that, all I had to do was search. stackoverflow.com/a/6671544/1224741
– QED
Aug 8 '12 at 1:40
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How could the UNIX sort command sort a very large file?
...link goes into more details, but in essence it divides the input up into smaller portions (that fit into memory) and then merges each portion together at the end.
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Accessing last x characters of a string in Bash
... line:
$ foo=1234567890
$ echo $foo | grep -o ...$
890
To make it optionally get the 1 to 3 last chars, in case of strings with less than 3 chars, you can use egrep with this regex:
$ echo a | egrep -o '.{1,3}$'
a
$ echo ab | egrep -o '.{1,3}$'
ab
$ echo abc | egrep -o '.{1,3}$'
abc
$ echo abcd ...
In Matlab, when is it optimal to use bsxfun?
...e size of the corresponding dimension of the other array. This is what is called "singleton expasion". As an aside, the singleton dimensions are the ones that will be dropped if you call squeeze.
It is possible that for very small problems, the repmat approach is faster - but at that array size, bo...
\r\n, \r and \n what is the difference between them? [duplicate]
... \r is for Mac OS 9 and under (also back in the days when it was called System). Mac OS X mostly uses \n (and is a Unix).
– Bruno
Mar 15 '13 at 13:51
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