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Regex - Should hyphens be escaped? [duplicate]
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Correct on all fronts. Outside of a character class (that's what the "square brackets" are called) the hyphen has no special meaning, and within a character class, you can place a hyphen as the first or last character in the range (e.g. [-a-z] or [0-9-]), OR escape it (e.g. [a-z\-0-9]...
What is difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?
What is the difference between CrudRepository and JpaRepository interfaces in Spring Data JPA ?
6 Answers
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What are the uses of “using” in C#?
...C# question by mentioning the using keyword. Can you elaborate on that? What are the uses of using ?
29 Answers
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what’s the difference between Expires and Cache-Control headers?
What’s the difference between Expires and Cache-Control headers?
7 Answers
7
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What is Objective C++? [closed]
What is Objective C++ and can I use this language in Xcode?
3 Answers
3
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Difference between API and ABI
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The API is what humans use. We write source code. When we write a program and want to use some library function we write code like:
long howManyDecibels = 123L;
int ok = livenMyHills( howManyDecibels);
and we needed to know that th...
How can I access and process nested objects, arrays or JSON?
...erty name / index as variable
const x = 5;
const value = arr[x];
Wait... what about JSON?
JSON is a textual representation of data, just like XML, YAML, CSV, and others. To work with such data, it first has to be converted to JavaScript data types, i.e. arrays and objects (and how to work with th...
What is the difference between ports 465 and 587?
...ports 465 and 587 are both used for sending mail (submitting mail) but what is the real difference between them?
6 Ans...
Check if passed argument is file or directory in Bash
...k. I am not sure why it's failing. You're quoting your variables properly. What happens if you use this script with double [[ ]]?
if [[ -d $PASSED ]]; then
echo "$PASSED is a directory"
elif [[ -f $PASSED ]]; then
echo "$PASSED is a file"
else
echo "$PASSED is not valid"
exit 1
fi
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Worst security hole you've seen? [closed]
What is the worst security hole you've ever seen? It is probably a good idea to keep details limited to protect the guilty.
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