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What's the difference between backtracking and depth first search?
...to searching tree structures. From Wikipedia:
One starts at the root (selecting some node as the root in the graph case) and explores as far as possible along each branch before backtracking.
It uses backtracking as part of its means of working with a tree, but is limited to a tree structure....
How do I convert a String object into a Hash object?
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This answer should be selected for avoiding using eval.
– Michael_Zhang
Sep 4 '18 at 21:57
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You need to use a Theme.AppCompat theme (or descendant) with this activity
...l files, and then the Android menifest file will merely refer to them, and select them based on which Android version you are running on your device. Usually it is set to android:theme="@style/AppTheme" and this AppTheme refers to <style name="Theme.AppTheme" parent="Theme.AppCompat.Light"> i...
Get TransactionScope to work with async / await
...y project from 4.5 to 4.5.1 by right clicking on project go to properties. Select application tab change target framework to 4.5.1 and use transaction as follow.
using (AccountServiceClient client = new AccountServiceClient())
using (TransactionScope scope = new TransactionScope(TransactionScopeAsy...
How to 'git pull' into a branch that is not the current one?
...origin/master into master but I cannot run git checkout to change the selected branch until after the pull is complete. Is there a way to do this?
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Tab Vs Space preferences in Vim
...andtab
else
setlocal noexpandtab
endif
endif
" show the selected options
try
echohl ModeMsg
echon 'set tabstop='
echohl Question
echon &l:ts
echohl ModeMsg
echon ' shiftwidth='
echohl Question
echon &l:sw
echohl ModeMsg
echon ' sts...
Find kth smallest element in a binary search tree in Optimum way
... tree, your algorithm will take O(n) time to finish, which is bad for the selected answer-O(log n)
– Spark8006
Jul 2 '15 at 14:58
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Google OAuth 2 authorization - Error: redirect_uri_mismatch
...update redirect URIs.
Go to https://console.developers.google.com
Select your Project
Click on the menu icon
Click on API Manager menu
Click on Credentials menu. And under OAuth 2.0 Client IDs, you will find your client name. In my case, it is Web Clie...
How do I access the command history from IDLE?
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Go into Preferences > Keys. Find the 'history-previous' selection in the list and edit it to Up Arrow.
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
... work for a ForeignKey field, a few changes need to be made. Firstly, the SELECT HTML tag does not have the readonly attribute. We need to use disabled="disabled" instead. However, then the browser doesn't send any form data back for that field. So we need to set that field to not be required so...