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How to get the last character of a string in a shell?
...acter you should just use -1 as the index since the negative indices count from the end of the string:
echo "${str: -1}"
The space after the colon (:) is REQUIRED.
This approach will not work without the space.
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How to install multiple python packages at once using pip
... as a space-delimited list, e.g.:
pip install wsgiref boto
For installing from a text file, then, from pip install --help:
-r FILENAME, --requirement=FILENAME
Install all the packages listed in the given requirements file. This option can be used multiple times.
Take a look at the pip documentat...
Activity has leaked window that was originally added
...rch on google for android developer,
therefore Adding few important points from comments, which might be more helpful for future investigator without going in depth of comment conversation.
Answer 1 :
You're trying to show a Dialog after you've exited an Activity.
Answer 2
This error c...
How to limit google autocomplete results to City and Country only
...
check this code right from google. they made a filtering example code.google.com/apis/maps/documentation/javascript/…
– UnLoCo
Nov 26 '11 at 22:37
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Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
...ngfox etc) probably will not be able to parse your request/response schema from your source code.
– stratovarius
Nov 15 '18 at 9:30
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Exception thrown in NSOrderedSet generated accessors
...sions at WWDC. They acknowledge the issue and that it's a genuine bug, and from what I've seen it has the "critical" status, but of course there's no promise as to when they'll fix it. I don't think it'll be fixed in iOS6/Mountain Lion. I think it'd be good to duplicate this radar further. Currently...
SSH library for Java [closed]
Does anyone know of a good library for SSH login from Java.
7 Answers
7
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Definition of a Balanced Tree
... For any node in AVL, the height of its left subtree differs by at most 1 from the height of its right subtree.
Next question, what is "height"?
The "height" of a node in a binary tree is the length of the longest path from that node to a leaf.
There is one weird but common case:
Peop...
How to print to console using swift playground?
...ing that writes to the console, including Swift's print statement (renamed from println in Swift 2 beta) shows up there.
In earlier Xcode 6 versions (which by now you probably should be upgrading from anyway), show the Assistant editor (e.g. by clicking the little circle next to a bit in the output...
Running a command as Administrator using PowerShell?
... process
[System.Diagnostics.Process]::Start($newProcess);
# Exit from the current, unelevated, process
Exit;
}
# Run your code that needs to be elevated here...
Write-Host -NoNewLine "Press any key to continue...";
$null = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown");
...