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Python assigning multiple variables to same value? list behavior
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If you're coming to Python from a language in the C/Java/etc. family, it may help you to stop thinking about a as a "variable", and start thinking of it as a "name".
a, b, and c aren't different variables with equal values; they're different names for...
When use getOne and findOne methods Spring Data JPA
...ry most of cases, favor findOne()/findById() over getOne().
API Change
From at least, the 2.0 version, Spring-Data-Jpa modified findOne().
Previously, it was defined in the CrudRepository interface as :
T findOne(ID primaryKey);
Now, the single findOne() method that you will find in CrudRepos...
Match whitespace but not newlines
...he horizontal whitespace character class \h. This will match tab and space from the ASCII set, non-breaking space from extended ASCII, or any of these Unicode characters
U+0009 CHARACTER TABULATION
U+0020 SPACE
U+00A0 NO-BREAK SPACE (not matched by \s)
U+1680 OGHAM SPACE MARK
U+2000 EN QUAD
U+2001...
How can I output UTF-8 from Perl?
...ore or less in utf8, will be output as latin1 by default. This way scripts from a pre-unicode era still work the same, even with a unicode-aware perl.
– mirod
Mar 10 '09 at 10:00
3...
Beyond Stack Sampling: C++ Profilers
...ng data. To get good output I need configure it to load the debug symbols from my 3rd party and system libraries. Be sure to do the same, otherwise you'll see that CRT is taking 20% of your application's time when what's really going on is malloc is trashing the heap and eating up 15%.
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ggplot with 2 y axes on each side and different scales
...e plotting package I'm using doesn't support that." So I'm switching away from ggplot today for this particular project. =(
– Ken Williams
May 31 '12 at 22:14
63
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How can I get a side-by-side diff when I do “git diff”?
... me a directory listing of changed files like it behaves when meld is used from Mercurial.
– kasperd
Jan 14 '19 at 12:54
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Github: Import upstream branch into fork
I have a fork ( origin ) from a project ( upstream ) on github. Now the upstream project has added a new branch, I want to import into my fork. How do I do that?
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Send string to stdin
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You can use one-line heredoc
cat <<< "This is coming from the stdin"
the above is the same as
cat <<EOF
This is coming from the stdin
EOF
or you can redirect output from a command, like
diff <(ls /bin) <(ls /usr/bin)
or you can read as
while read line
do
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
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As from python 3.7 you can use datetime.datetime.fromisoformat docs.python.org/3/library/…
– Yuri Ritvin
Sep 17 '18 at 14:15
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