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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
... Also note that git is fairly smart when it comes to this. You can set the abbreviation short, say to 4, and git will use 4 digits for as many hashes as it can, but switch to 5 or more when it knows that the abbreviation is not unique...
– twalberg
Aug ...
What breaking changes are introduced in C++11?
...mment on the fact, the "instantiation context" still consists of only "the set of declarations with external linkage declared prior to the point of instantiation of the template specialization in the same translation unit". So the change they made only affects the lookup in the definition context.
...
Padding characters in printf
...
Pure Bash. Use the length of the value of 'PROC_NAME' as offset for the fixed string 'line':
line='----------------------------------------'
PROC_NAME='abc'
printf "%s %s [UP]\n" $PROC_NAME "${line:${#PROC_NAME}}"
PROC_NAME='abcdef'
printf "%s %s [UP]\n" $PROC_NAME "${line:${#PROC_N...
Are std::vector elements guaranteed to be contiguous?
... guaranteed to be contiguous? In order word, can I use the pointer to the first element of a std::vector as a C-array?
7 A...
Format in kotlin string templates
...uble.format(fracDigits: Int): String {
val df = DecimalFormat()
df.setMaximumFractionDigits(fracDigits)
return df.format(this)
}
println(3.14159.format(2)) // 3.14
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How to convert an int to a hex string?
...
You are looking for the chr function.
You seem to be mixing decimal representations of integers and hex representations of integers, so it's not entirely clear what you need. Based on the description you gave, I think one of these snippets ...
Append an array to another array in JavaScript [duplicate]
...
If you want to modify the original array instead of returning a new array, use .push()...
array1.push.apply(array1, array2);
array1.push.apply(array1, array3);
I used .apply to push the individual members of arrays 2 and 3 ...
To find whether a column exists in data frame or not
... editor after snippets, if snippets enabled
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How do you validate a URL with a regular expression in Python?
...= urlparse.urlparse(url)
assert all([pieces.scheme, pieces.netloc])
assert set(pieces.netloc) <= set(string.letters + string.digits + '-.') # and others?
assert pieces.scheme in ['http', 'https', 'ftp'] # etc.
It might be slower, and maybe you'll miss conditions, but it seems (to me) a lot ea...
Using os.walk() to recursively traverse directories in Python
... this:
root:.
[.]
┣━[.idea]
┃ ┣━[scopes]
┃ ┃ ┗━scope_settings.xml
┃ ┣━.name
┃ ┣━Demo.iml
┃ ┣━encodings.xml
┃ ┣━misc.xml
┃ ┣━modules.xml
┃ ┣━vcs.xml
┃ ┗━workspace.xml
┣━[test1]
┃ ┗━test1.txt
┣━[test2]
┃ ┣━[te...