大约有 43,000 项符合查询结果（耗时：0.0598秒） [XML]
Java split() method strips empty strings at the end? [duplicate]
...Word + "'"); } } return l; } returns 'a' and ' '. Whereas, if String s = "a a"; then output is just 'a' followed by another 'a' Why is this happening in Java 8?
– sofs1
Feb 1 '19 at 23:06
...
Remove the image from a imageview Android [duplicate]
...
strange! its not working. In fact setImageResouce(0) and setBackground(null) is also not working. Any idea what could be the reason or any trick to clear the cache or something.
– RamKr
Feb 23 '15 at 13:57
...
Can I change a column from NOT NULL to NULL without dropping it?
...
I tried with alter column and it didn't work with the latest mysql server. I tried with modify column and it worked. Strange...
– Kostas Andrianos
Aug 19 '17 at 15:29
...
Concatenate multiple result rows of one column into one, group by another column [duplicate]
...st
FROM tbl
GROUP BY 1;
The 1 in GROUP BY 1 is a positional reference and a shortcut for GROUP BY movie in this case.
string_agg() expects data type text as input. Other types need to be cast explicitly (actor::text) - unless an implicit cast to text is defined - which is the case for all othe...
How to get current date time in milliseconds in android [duplicate]
i am trying to save my file with name as current date and time in milliseconds. and while reading file i want to read latest one.Here is the code
...
Template default arguments
...
@OlafDietsche but you can't have a template class and a non-template class with the same name, so the compiler should be able to decide by just looking at what the name is.
– Seth Carnegie
Mar 12 '13 at 23:13
...
Casting to string in JavaScript
...
They behave the same but toString also provides a way to convert a number binary, octal, or hexadecimal strings:
Example:
var a = (50274).toString(16) // "c462"
var b = (76).toString(8) // "114"
var c = (7623).toString(36) // "5vr"
var d = (100).toString(2) // "110010...
Creating java date object from year,month,day
...ood Answer, but specify a time zone if known. A LocalDate has no time zone and so does not represent an exact moment on the timeline. If your context indicates a time zone, apply it to get a ZonedDateTime object: LocalDate.parse("2015-12-22").atStartOfDay( ZoneId.of( "America/Montreal" ) )
...
Python TypeError: not enough arguments for format string
...ing outdated? If you, for example, use one variable to store format string and you want to put string with replaced values in same variable you get just a tad bit cleaner code with format_string %= ('bla', 'bla', 'bla'). Care to elaborate or point to some useful link about this?
...
Getting the difference between two repositories
... the other repository, and using git rev-parse with --git-dir / GIT_DIR to convert symbolic name in other repository to SHA-1 identifier.
Modern version would look something like this (assuming that you are in 'repo_a'):
GIT_ALTERNATE_OBJECT_DIRECTORIES=../repo_b/.git/objects \
git diff $(git ...