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Java ArrayList replace at specific index
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You can replace the items at specific position using set method of ArrayList as below:
list.set( your_index, your_item );
But the element should be present at the index you are passing inside set() method else it will throw exception.
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Android: textColor of disabled button in selector not showing?
...mas.android.com/apk/res/android">
<!-- disabled state -->
<item android:state_enabled="false" android:color="#9D9FA2" />
<item android:color="#000"/>
</selector>
In your style.xml, put a reference to that text_color.xml file as follows:
<style name="buttonStyle...
How do I copy an entire directory of files into an existing directory using Python?
...rt os, shutil
def copytree(src, dst, symlinks=False, ignore=None):
for item in os.listdir(src):
s = os.path.join(src, item)
d = os.path.join(dst, item)
if os.path.isdir(s):
shutil.copytree(s, d, symlinks, ignore)
else:
shutil.copy2(s, d)
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Add alternating row color to SQL Server Reporting services report
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some browsers cant handle "Transparent" or "Nothing". Best bet would be to use "White"
– Nate S.
Sep 16 '14 at 18:05
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handlerbars.js check if list is empty
...ach" tag can take an "else" section too. So the simplest form is:
{{#each items}}
// render item
{{else}}
// render empty
{{/each}}
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Iterate a list as pair (current, next) in Python
...ry large, you might prefer
from itertools import izip, islice
for current_item, next_item in izip(the_list, islice(the_list, 1, None)):
print(current_item, next_item)
which does not copy the list at all.
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How to find index of list item in Swift?
I am trying to find an item index by searching a list . Does anybody know how to do that?
22 Answers
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Get key by value in dictionary
...'amber': 19}
search_age = input("Provide age")
for name, age in dictionary.items(): # for name, age in dictionary.iteritems(): (for Python 2.x)
if age == search_age:
print(name)
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List comprehension: Returning two (or more) items for each item
Is it possible to return 2 (or more) items for each item in a list comprehension?
6 Answers
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Copy multiple files in Python
...t os.path.exists(destination_path):
os.mkdir(destination_path)
items = glob.glob(source_path + '/*')
for item in items:
if os.path.isdir(item):
path = os.path.join(destination_path, item.split('/')[-1])
files_count += recursive_copy_files(source_path=i...