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How to set radio button checked as default in radiogroup?
... or if you don't want to id your RadioButton and you know the index you can use ((RadioButton)radioGroup.getChildAt(INDEX)).setChecked(true);
– Ahmad Kayyali
Apr 29 '13 at 12:32
...
Retaining file permissions with Git
...ls-files --full-name`
do
# Save the permissions of all the files in the index
echo $FILE";"`stat -c "%a;%U;%G" $FILE` >> $DATABASE
done
for DIRECTORY in `git ls-files --full-name | xargs -n 1 dirname | uniq`
do
# Save the permissions of all the directories in the index
echo $DIREC...
Installing Apple's Network Link Conditioner Tool
... Xcode
Go to the below link
https://developer.apple.com/download/more/?q=Additional%20Tools
Install the dmg file, select hardware from installer
select Network Link conditioner prefpane
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How to create a sequence of integers in C#?
...
Linq projection with the rarely used indexer overload (i):
(new int[11]).Select((o,i) => i)
I prefer this method for its flexibilty.
For example, if I want evens:
(new int[11]).Select((item,i) => i*2)
Or if I want 5 minute increments of an hour:
(n...
android get real path by Uri.getPath()
...} else {
cursor.moveToFirst();
int idx = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);
result = cursor.getString(idx);
cursor.close();
}
return result;
}
NOTE: managedQuery() method is deprecated, so I am not using it.
Last edit: Improvemen...
How to get nth jQuery element
...t) function:
$("td").eq(2).css("color", "red");
Also, remember that the indexes are zero-based.
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Illegal pattern character 'T' when parsing a date string to java.util.Date
...s as what the format represents.
But it was written before Java 8 was ubiquitous so it uses the old
classes that you should not be using if you are using Java 8 or
higher.
This works with the input with the trailing Z as demonstrated:
In the pattern the T is escaped with ' on either side...
How to check if a value exists in an array in Ruby
...lement)
array.to_set.include?(element)
array.to_set.member?(element)
array.index(element) > 0
array.find_index(element) > 0
array.index { |each| each == element } > 0
array.find_index { |each| each == element } > 0
array.any? { |each| each == element }
array.find { |each| each == element...
What is the difference between trie and radix trie data structures?
...Because in TRIE if you wan to search the next char you need to see the ith index in the child array of the current node but in radix tree you need search for all the child nodes sequentially. See the implementation code.google.com/p/radixtree/source/browse/trunk/RadixTree/src/…
...
Uses for Optional
...e case when it is important that a certain element is located at a certain index, but the element can be present or not. That is clearly communicated by a List<Optional<T>> type. If on the other hand it is only important which objects that are members some some collection then there is n...