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Detect when an image fails to load in Javascript
...it(Epiphany, Safari, ...) depending on the server you are getting an image from. For example, sometimes imgur don't send an image that exists nor an 404 status and the error event is not triggered in this case.
– user3233318
Jun 4 '15 at 13:02
...
What is the alternative for ~ (user's home directory) on Windows command prompt?
...h a .bashrc-type file: superuser.com/questions/144347/…. Putting step 1. from this answer into the bashrc.bat file will set it at startup.
– Brydenr
Dec 17 '19 at 23:33
add ...
Command not found when using sudo
...he chmod documentation for your local system , run man chmod or info chmod from the command line. Once read and understood you should be able to understand the output of running ...
ls -l foo.sh
... which will list the READ, WRITE and EXECUTE permissions for the file owner, the group owner and ev...
What are the advantages of using the C++ Boost libraries? [closed]
...
From the home page:
"...one of the most highly regarded and expertly designed C++ library projects in the world."
— Herb Sutter and Andrei Alexandrescu, C++ Coding Standards
"Item 55: Familiarize yourself with Bo...
python re.sub group: number after \number
...swer is:
re.sub(r'(foo)', r'\g<1>123', 'foobar')
Relevant excerpt from the docs:
In addition to character escapes and
backreferences as described above,
\g will use the substring
matched by the group named name, as
defined by the (?P...) syntax.
\g uses the corresponding
gro...
How to copy in bash all directory and files recursive?
...
@AnneTheAgile - from my tests just now and according to the man pages, -r and -R don't differ.
– aaaaaa
Jan 25 '15 at 2:54
...
Convert integer to string Jinja
...ng values to integers. Btw, in my case I've got integers as strings coming from JSON content files: "hero_title_img_w": "111" and "hero_title_img2_w": "222". Then I'm adding them in .NJK file: {{ hero_title_img_w|int + hero_title_img2_w|int }} to use as image's width attribute. Hope it helps somebod...
How to change facet labels?
...alue])
} else {
return(as.character(value))
}
}
Answer adapted from how to change strip.text labels in ggplot with facet and margin=TRUE
edit: WARNING: if you're using this method to facet by a character column, you may be getting incorrect labels. See this bug report. fixed in recent...
How to bring view in front of everything?
...
Where did 90dp come from?
– Sudhir Khanger
Jul 15 '19 at 10:28
1
...
Is it a bad practice to use break in a for loop? [closed]
...
Far from bad practice, Python (and other languages?) extended the for loop structure so part of it will only be executed if the loop doesn't break.
for n in range(5):
for m in range(3):
if m >= n:
prin...