大约有 40,000 项符合查询结果（耗时：0.0359秒） [XML]
Exception messages in English?
...
I am confused. I've tried following your answer and to test it I wanted my exception in french, so I did t.CurrentUICulture = new System.Globalization.CultureInfo("fr-FR"); and t.CurrentCulture = new System.Globalization.CultureInfo("fr-FR"); yet, the resulting exception was in E...
Bash tool to get nth line from a file
...probably taken ~12 minutes.
mapfile
I have bash 3.1 and therefore cannot test the mapfile solution.
Conclusion
It looks like, for the most part, it's difficult to improve upon the head tail solution. At best the sed solution provides a ~3% increase in efficiency.
(percentages calculated with th...
How do I make a Git commit in the past?
...(git rev-list -1 "$GIT_COMMIT" --not '"$before_commit"') &&
test -n "$x"; then
git update-index --add --cacheinfo 100644 '"$file_blob $file_path"'
fi
' \
--tag-name-filter cat \
-- --all
git reset --hard
If you want the file to be added via a new commit that is t...
How to colorize diff on the command line?
... 18.04 has diffutils 3.6 and therefore has it.
On 3.5 it looks like this:
Tested with:
diff --color -u \
<(seq 6 | sed 's/$/ a/') \
<(seq 8 | grep -Ev '^(2|3)$' | sed 's/$/ a/')
Apparently added in commit c0fa19fe92da71404f809aafb5f51cfd99b1bee2 (Mar 2015).
Word-level diff
Like diff-high...
How to put more than 1000 values into an Oracle IN clause [duplicate]
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@ocdecio - my tests with Oracle 10g show different (and clearly worse) explain plans for the IN, compared to the JOIN. Personally I'd use the JOIN, and would recommend others to test different approaches to see differences in performance,...
Make first letter of a string upper case (with maximum performance)
...t().ToString().ToUpper() + input.Substring(1);
}
EDIT 2:
Probably the fastest solution is Darren's (There's even a benchmark) although I would change it's string.IsNullOrEmpty(s) validation to throw an exception since the original requirement expects for a first letter to exist so it can be upperc...
How to overwrite the previous print to stdout in python?
... erasing prior output on that line, for instance: if your first loop print testing and your second loop print test the output after the second pass will still be testing - now I see that @Nagasaki45 pointed this out
– Eric Uldall
Jun 24 '15 at 21:35
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Understanding Python's “is” operator
...
You misunderstood what the is operator tests. It tests if two variables point the same object, not if two variables have the same value.
From the documentation for the is operator:
The operators is and is not test for object identity: x is y is true if and on...
How can I resize an image dynamically with CSS as the browser width/height changes?
...t;
</div>
JSFiddle example here. No JavaScript required. Works in latest versions of Chrome, Firefox and IE (which is all I've tested).
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What is array to pointer decay?
...claration.
Assume the following code:
char a[80];
strcpy(a, "This is a test");
The expression a is of type "80-element array of char" and the expression "This is a test" is of type "16-element array of char" (in C; in C++ string literals are arrays of const char). However, in the call to strc...