大约有 16,000 项符合查询结果（耗时：0.0225秒） [XML]
What is the difference between const and readonly in C#?
What is the difference between const and readonly in C#?
31 Answers
31
...
MySQL load NULL values from CSV data
...
This will do what you want. It reads the fourth field into a local variable, and then sets the actual field value to NULL, if the local variable ends up containing an empty string:
LOAD DATA INFILE '/tmp/testdata.txt'
INTO TABLE moo
FIELDS TERMINATED BY "...
Installing vim with ruby support (+ruby)
...
@MartinMacak you could try reading output of configure. it should give some kind of clues. but it's quite tricky. having hard time to get python enabled myself.
– Arnis Lapsa
Feb 10 '13 at 14:38
...
Using cURL with a username and password?
...t .netrc file with appropriately strict permissions, so only your user can read it, than other mechanisms (e.g. command line args) that let other users read the information.
– Ken Williams
Oct 16 '18 at 20:26
...
Only using @JsonIgnore during serialization, but not deserialization
...r the password on your object.
More recent versions of Jackson have added READ_ONLY and WRITE_ONLY annotation arguments for JsonProperty. So you could also do something like:
@JsonProperty(access = Access.WRITE_ONLY)
private String password;
Docs can be found here.
...
Get specific object by id from array of objects in AngularJS
...
... I really hope after reading this answer people don't think it's a good idea to sort an array then do a binary search. Binary search is clever, sure, but only if the array is already sorted, and in reality is: 1. easy to poorly implement, 2. Hard...
How much space can your BitBucket account have?
...t by matchew)
As of 30 May 2014 There is now a 1gb (soft 2gb hard) limit. read this for more information
Here is a link to their FAQ which address this question
According to the banner on their homepage: Unlimited disk space. I
can highly recommend it. ;-)
* EDIT (ALMOST TWO YEARS LATER) *
I c...
JavaScript ternary operator example with functions
... It's a great way to reduce four lines of code into one without impacting readability. The only word of advice I would give you is to avoid nesting multiple ternary statements on the same line (that way lies madness!)
shar...
Deleting multiple elements from a list
... be shifted forward multiple times. (b) At least for me, it's difficult to read, because there is a sort function that doesn't correspond to any actual program logic, and exists solely for technical reasons. Even though by now I already understand the logic thoroughly, I still feel it would be diffi...
How to concatenate two MP4 files using FFmpeg?
...
Helpful answer. And it made even more sense to me when I read this variation: superuser.com/a/607384/74576
– Ryan
Feb 22 '16 at 18:54
4
...