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Android getting value from selected radiobutton
...String gender=radioButton.getText().toString();
Hope this works. You can convert your output to string in the above manner.
gender.getCheckedRadioButtonId(); - gender is the id of RadioGroup.
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How do I get the number of elements in a list?
...nt the built-in function len(). Should return the length of the object, an integer >= 0. Also, an object that doesn’t
define a __nonzero__() [in Python 2 or __bool__() in Python 3] method and whose __len__() method returns zero
is considered to be false in a Boolean context.
And we can al...
How can I exclude directories from grep -R?
... search in all my linux directories except proc directory, boot directory, sys directory and root directory :
grep -rli --exclude-dir={proc,boot,root,sys} hello /
Note : The example above needs to be root
Note 2 (according to @skplunkerin) : do not add spaces after the commas in {dir1,dir2,dir3}...
Swift: Testing optionals for nil
...rror, the type UInt8 is not optional (note no '?') and therefore cannot be converted to nil. Make sure the variable you're working with is an optional before you treat it like one.
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Easiest way to compare arrays in C#
...o(a2, StructuralComparisons.StructuralEqualityComparer)); Getting: cannot convert from 'System.Collections.IEqualityComparer' to 'System.Collections.IComparer'
– shindigo
Mar 21 '16 at 15:55
...
How do I use the lines of a file as arguments of a command?
...ted_list() {
## Works with either Python 2.x or 3.x
python -c '
import sys, pipes, shlex
quote = pipes.quote if hasattr(pipes, "quote") else shlex.quote
print(" ".join([quote(s) for s in sys.stdin.read().split("\0")][:-1]))
'
}
eval "set -- $(quoted_list <file)"
run_your_command "$@"
...
string.Join on a List or other type
...
because he would have a List<int>. The linq select converts the List<int> to IEnumerable<string> and then to the array.
– Greg Bogumil
Aug 31 '10 at 15:30
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In Python, what happens when you import inside of a function? [duplicate]
...de or outside a function), goo.py (or other importable form) is loaded and sys.modules['goo'] is set to the module object thus built. Any future import within the same run of the program (again, whether inside or outside a function) just look up sys.modules['goo'] and bind it to barename goo in the...
Bash Script: count unique lines in file
...me sort random.txt | uniq | wc -l
31175
real 0m1.193s
user 0m0.701s
sys 0m0.388s
$ time awk '!seen[$0]++' random.txt | wc -l
31175
real 0m0.675s
user 0m0.108s
sys 0m0.171s
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What does the “|” (single pipe) do in JavaScript?
...
that's an nice way to convert floating-point number to int, or use parseInt()
– MaBi
Mar 14 '15 at 16:14
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