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Concat all strings inside a List using LINQ
Is there any easy LINQ expression to concatenate my entire List<string> collection items to a single string with a delimiter character?
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ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]
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Your root account, and this statement applies to any account, may only have been added with localhost access (which is recommended).
You can check this with:
SELECT host FROM mysql.user WHERE User = 'root';
If you only see results with localhost and 127.0.0.1,...
Show diff between commits
...e sure to include all changes of k73ud in the resulting diff.
git diff compares two endpoints (instead of a commit range).
Since the OP want to see the changes introduced by k73ud, he/she needs to difference between the first parent commit of k73ud: k73ud^ (or k73ud^1 or k73ud~).
That way, the dif...
Count occurrences of a char in a string using Bash
...wing awk command:
string="text,text,text,text"
char=","
awk -F"${char}" '{print NF-1}' <<< "${string}"
I'm splitting the string by $char and print the number of resulting fields minus 1.
If your shell does not support the <<< operator, use echo:
echo "${string}" | awk -F"${cha...
How to stop Gradle task execution in Android Studio?
Is there any legitimate way of Gradle task(s) execution stopping in Android Studio?
16 Answers
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Center Align on a Absolutely Positioned Div
The div is at the top, but I can't center it with <center> or margin: 0 auto ;
9 Answers
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Difference between “!==” and “==!” [closed]
Yesterday I stumbled over this when I modified PHP code written by someone else. I was baffled that a simple comparison ( if ($var ==! " ") ) didn't work as expected. After some testing I realized that whoever wrote that code used ==! instead of !== as comparison operator. I've never seen ==! ...
Find the similarity metric between two strings
How do I get the probability of a string being similar to another string in Python?
10 Answers
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What does f+++++++++ mean in rsync logs?
I'm using rsync to make a backup of my server files, and I have two questions:
4 Answers
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Can't stop rails server
...am new to rails and I am using an ubuntu machine and the rubymine IDE. The problem is that I am unable to stop the rails server. I tried to stop the server by killing the rails process. But, when I run pgrep -l rails , no such process is found. So, I am only able to kill ruby processes, but, the se...