大约有 47,000 项符合查询结果（耗时：0.0709秒） [XML]
find() with nil when there are no records
... A reason to use this rather than find_by_id is that it's portable from Rails 3 to 4. In rails 4, it's find_by(:id => 10).
– Gene
Jun 9 '14 at 23:42
add a comment
...
What happens when a duplicate key is put into a HashMap?
...
Thanks from me as well! I did have to add a "remove" method to it to perform the same functionality as a normal Map but worked great!
– JGlass
Oct 16 '18 at 17:20
...
Can two different strings generate the same MD5 hash code?
...53,7 @@
6d
a0
d1
-55
+d5
5d
83
60
Above collision example is taken from Marc Stevens: Single-block collision for MD5, 2012; he explains his method, with source code (alternate link to the paper).
Another test:
$ echo '0e306561559aa787d00bc6f70bbdfe3404cf03659e704f8534c00ffb659c4c8740cc94...
event.preventDefault() function not working in IE
...
It might have been removed from jquery 2? But IE10 does not need the fix.
– oldwizard
May 29 '15 at 15:43
...
Bash syntax error: unexpected end of file
...
I had this in a script shared with me from a zsh user. The former does work in zsh but not in sh nor bash. Wish I was 4 people so I could give this 4 upvotes
– Davos
Jan 4 '19 at 0:41
...
Should arrays be used in C++?
...ated to the above, the compiler can calculate the actual
size of the array from the initializers. You don't have to count them.
If you have access to C++11, std::array solves the first two issues,
and should definitely be used in preference to C style arrays in the
first case. It doesn't address...
git recover deleted file where no commit was made after the delete
... @RauliRajande It's probable that your situation is different from the one described in the original question.
– Noufal Ibrahim
Feb 15 '18 at 5:18
2
...
What are the correct version numbers for C#?
...ll see that Mono 2.0 (mostly implemented version 2.0 of the .NET Framework from the ECMA specifications) supports the C# 3.0 syntax and features.
share
|
improve this answer
|
...
git: Show index diff in commit message as comment
...script to generate few addition lines in diff format, but it got truncated from the first line
– Dennis C
Apr 8 '13 at 0:58
2
...
Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti
...
I found a SupressMessage removed my warning from my Visual Studio "Error List" but not "Output" and #pragma warning disable CSxxxx looks more ugly than the discard ;)
– David Savage
Aug 24 '18 at 9:11
...