大约有 35,448 项符合查询结果（耗时：0.0663秒） [XML]
What is an unsigned char?
... the unqualified char:
it is the type of character literals like 'a' or '0'.
it is the type that makes up C strings like "abcde"
It also works out as a number value, but it is unspecified whether that value is treated as signed or unsigned. Beware character comparisons through inequalities - alt...
is there a require for json in node.js
...
As of node v0.5.x yes you can require your JSON just as you would require a js file.
var someObject = require('./somefile.json')
In ES6:
import someObject from ('./somefile.json')
...
MySQL ON vs USING?
...lid to just say film_id since that would make for an ambiguity:
ERROR 1052 (23000): Column 'film_id' in field list is ambiguous
As for select *, the joining column appears in the result set twice with ON while it appears only once with USING:
mysql> create table t(i int);insert t select 1...
Why does writeObject throw java.io.NotSerializableException and how do I fix it?
...
answered Dec 15 '12 at 20:26
BozhoBozho
539k129129 gold badges10061006 silver badges11101110 bronze badges
...
What is PEP8's E128: continuation line under-indented for visual indent?
...project."
– Nick T
May 13 '14 at 22:04
6
...
How can I change property names when serializing with Json.net?
...artin Brown
22.2k1313 gold badges6969 silver badges105105 bronze badges
answered Jan 9 '12 at 23:26
Darin DimitrovDarin Dimitrov
9...
How to get random value out of an array?
...
20 Answers
20
Active
...
How to define two fields “unique” as couple
...ple:
class MyModel(models.Model):
field1 = models.CharField(max_length=50)
field2 = models.CharField(max_length=50)
class Meta:
unique_together = ('field1', 'field2',)
And in your case:
class Volume(models.Model):
id = models.AutoField(primary_key=True)
journal_id = models.Foreign...
How to rollback just one step using rake db:migrate
...
answered Dec 4 '10 at 9:43
rwilliamsrwilliams
19.7k44 gold badges4545 silver badges5252 bronze badges
...
Xcode 6 / Beta 4: using bridging headers with framework targets is unsupported
... |
edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Jul 22 '14 at 4:22
...