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Return a “NULL” object if search result not found
...< T > that matched a specific parameter, I would return that object and if the object was not found in the collection, I would return null . Then in my calling function I would just check if(tResult != null) { ... }
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Change old commit message on Git
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It says:
When you save and exit the editor, it will rewind you back to that last commit in that list and drop you on the command line with the following message:
$ git rebase -i HEAD~3
Stopped at 7482e0d... updated the gemspec to hopefully work be...
Convert command line arguments into an array in Bash
How do I convert command-line arguments into a bash script array?
7 Answers
7
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Python Image Library fails with message “decoder JPEG not available” - PIL
...o be able to process jpegs with pillow (or PIL), so you need to install it and then recompile pillow. It also seems that libjpeg8-dev is needed on Ubuntu 14.04
If you're still using PIL then you should really be using pillow these days though, so first pip uninstall PIL before following these instr...
Size of character ('a') in C/C++
What is the size of character in C and C++ ? As far as I know the size of char is 1 byte in both C and C++.
4 Answers
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Check if a given key already exists in a dictionary and increment it
...ording to his example, it should be enough to set "defaultdict(lambda: 0)" and skip the entire "if" clause.
– Deestan
Jan 23 '09 at 14:57
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Regex to validate password strength
...ex. To many times I use complex regex that I found, without really understanding what is going on.
– Nicholas Smith
Jan 27 '14 at 17:54
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How can I tell when HttpClient has timed out?
... a TaskCanceledException if it has timed out. Additionally, GetStringAsync and GetStreamAsync internally handle timeout, so they will NEVER throw.
string baseAddress = "http://localhost:8080/";
var client = new HttpClient()
{
BaseAddress = new Uri(baseAddress),
Timeout = TimeSpan.FromMil...
class method generates “TypeError: … got multiple values for keyword argument …”
...e type of error if your function def includes self as the first parameter, and then you accidentally call the function also with self as the first parameter.
– Christopher Hunter
Aug 12 '19 at 20:10
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Why is Double.MIN_VALUE in not negative
... actually the minimum value that Doubles can take? It is a positive value, and a Double can of course be negative.
6 Answer...