大约有 44,000 项符合查询结果（耗时：0.0584秒） [XML]
Checking whether a variable is an integer or not [duplicate]
...
That's good to know. Although, it's a float method, so it's not a general-purpose function that can be applied to any type to determine whether it's an integer.
– Craig McQueen
Sep 12 '13 at 23:50
...
Questions every good Java/Java EE Developer should be able to answer? [closed]
...erence between Set, Map and List?
I'm still amazed how many people don't know this one in a telephone interview.
share
answered Jan 22 '10 at 1:09
...
How to crop circular area from bitmap in Android
...
Thanks. your code works spectacular. Now I can also crop using path (Polygon).
– DearDhruv
Sep 21 '13 at 8:58
2
...
PHP DOMDocument errors/warnings on html5-tags
...
Update 2019: The warning is still fired however loadHTML now actually accept HTML5 tags.
– user10351292
Aug 17 '19 at 14:23
add a comment
...
String concatenation in Ruby
...
Since strings are starting to be immutable now, I'd love to see a new benchmark for this.
– bibstha
Mar 28 '18 at 14:15
add a comment
...
Deep copy of a dict in python
... my_copy = copy.copy(my_dict)
my_deepcopy = copy.deepcopy(my_dict)
Now if you change
my_dict['a'][2] = 7
and do
print("my_copy a[2]: ",my_copy['a'][2],",whereas my_deepcopy a[2]: ", my_deepcopy['a'][2])
you get
>> my_copy a[2]: 7 ,whereas my_deepcopy a[2]: 3
...
Why does HTML5 form-validation allow emails without a dot?
...answers the 'why', not the 'solution'. I was also curious about the why. Now I know not to "fix".
– Eleanor Zimmermann
Aug 23 '16 at 20:35
...
Entity Framework 6 Code first Default value
...SET", and NOT the defaultValue as this defaultValue: System.DateTimeOffset.Now, will resolve to a string of the current system datetimeoffset value.
– OzBob
Apr 15 '16 at 6:53
...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...
Yeah. For now I'd keep on bridging to NSString when necessary. It seems Swift's String is still incomplete
– Connor
Jun 4 '14 at 18:49
...
Postgres: clear entire database before re-creating / re-populating from bash script
...
i like this solution, since i do want a backup copy, i'm now doing this: pg_dump -Ft -U production_db_name > /backup/dir/backup-${time}.tar pg_restore -U development_db_name -d development_db_name -O --clean /backup/dir/backup-${time}.tar works like a charm, thanks for your help...