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C# short/long/int literal format?
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Get environment variable value in Dockerfile
...can build image with references even without --build-arg. Moreover you can set default value for the build arg.
– ALex_hha
Mar 23 '17 at 11:20
1
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List comprehension on a nested list?
... answered Aug 6 '13 at 6:04
falsetrufalsetru
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...
Python dictionary from an object's fields
...s is already a dictionary, and if you want you can override getattr and/or setattr to call through and set the dict. For example:
class Foo(dict):
def __init__(self):
pass
def __getattr__(self, attr):
return self[attr]
# etc...
...
Large Numbers in Java
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How to convert a PNG image to a SVG? [closed]
...g)"
echo >&2 "must be a file having a size greater than zero"
( set -x ; ls -s "$File_png" )
exit 1
fi
File="${File_png%.*}"
convert "$File_png" "$File.pnm" # PNG to PNM
potrace "$File.pnm" -s -o "$File.svg" # PNM to SVG
rm "$File.pnm" # Remove PNM
On...
Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
What is better: void foo() or void foo(void) ?
With void it looks ugly and inconsistent, but I've been told that it is good. Is this true?
...
Displaying better error message than “No JSON object could be decoded”
...ailing comma: line 1, column 6, text ']'
RSON is a designed to be a superset of JSON, so it can parse JSON files. It also has an alternate syntax which is much nicer for humans to look at and edit. I use it quite a bit for input files.
As for the capitalizing of boolean values: it appears that ...
php is null or empty?
...
What you're looking for is:
if($variable === NULL) {...}
Note the ===.
When use ==, as you did, PHP treats NULL, false, 0, the empty string, and empty arrays as equal.
...
Windows git “warning: LF will be replaced by CRLF”, is that warning tail backward?
...aved with CRLF: recent editors can preserve eol style. But that git config setting insists on changing those...
Simply make sure that (as I recommend here):
git config --global core.autocrlf false
That way, you avoid any automatic transformation, and can still specify them through a .gitattribut...