大约有 45,000 项符合查询结果（耗时：0.0743秒） [XML]
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...nique across computers.
You can create duplicates by creating more than 214 uuid1 in less than 100ns, but this is not a problem for most use cases.
uuid4() generates, as you said, a random UUID. The chance of a collision is really, really, really small. Small enough, that you shouldn't worry about...
Passing references to pointers in C++
...
|
edited Nov 4 '15 at 1:33
gsamaras
64.5k3131 gold badges140140 silver badges240240 bronze badges
...
How to load JAR files dynamically at Runtime?
... |
edited Jan 8 '19 at 11:41
Konrad Rudolph
461k117117 gold badges863863 silver badges11101110 bronze badges
...
calculating the difference in months between two dates
... want it to work.
For example, should dates like July 5, 2009 and August 4, 2009 yield one month or zero months difference? If you say it should yield one, then what about July 31, 2009 and August 1, 2009? Is that a month? Is it simply the difference of the Month values for the dates, or is it mor...
What is the easiest way to duplicate an activerecord record?
...ooks like this functionality has been replaced with dup: gist.github.com/994614
– skattyadz
Jun 23 '11 at 13:01
75
...
wkhtmltopdf: cannot connect to X server
...e called wkhtmltopdf.sh and add the following:
xvfb-run -a -s "-screen 0 640x480x16" wkhtmltopdf "$@"
Move this shell script to /usr/local/bin, and set permissions:
sudo chmod a+x /usr/local/bin/wkhtmltopdf.sh
Check to see if it works once again: run
/usr/local/bin/wkhtmltopdf.sh http://www.g...
How to empty (“truncate”) a file on linux that already exists and is protected in someway?
...
answered Mar 11 '10 at 7:45
R Samuel KlatchkoR Samuel Klatchko
69k1111 gold badges118118 silver badges179179 bronze badges
...
Can Google Chrome open local links?
...
44
You can't link to file:/// from an HTML document that is not itself a file:/// for security rea...
Attach a file from MemoryStream to a MailMessage in C#
...
|
edited Jul 4 '18 at 12:26
hsimah
88511 gold badge1515 silver badges3030 bronze badges
ans...
Why exactly is eval evil?
...e a macro that based on the first parameter uses either SIN or COS.
(foo 3 4) does (sin 4) and (foo 1 4) does (cos 4).
Now we may have:
(foo (+ 2 1) 4)
This does not give the desired result.
One then may want to repair the macro FOO by EVALuating the variable:
(defmacro foo (a b)
(list (if (eql (...