大约有 13,066 项符合查询结果（耗时：0.0231秒） [XML]
How to alias a table in Laravel Eloquent queries (or using Query Builder)?
Lets say we are using Laravel's query builder:
6 Answers
6
...
Best way to convert IList or IEnumerable to Array
I have a HQL query that can generate either an IList of results, or an IEnumerable of results.
4 Answers
...
Multiple inheritance for an anonymous class
How can an anonymous class implement two (or more) interfaces? Alternatively, how can it both extend a class and implement an interface?
For example, I want to create an object of anonymous class that extends two interfaces:
...
What is the difference between .map, .every, and .forEach?
...
The difference is in the return values.
.map() returns a new Array of objects created by taking some action on the original item.
.every() returns a boolean - true if every element in this array satisfies the provided testing function. An important...
How do you get current active/default Environment profile programmatically in Spring?
I need to code different logic based on different current Environment profile. How can you get the current active and default profiles from Spring?
...
Exclude a sub-directory using find
I have directory structure like this
5 Answers
5
...
Bootstrap 3 - Why is row class is wider than its container?
I just started using Bootstrap 3. I am having a difficult time
understanding how the row class works.
Is there a way to avoid the padding-left and padding-right ?
...
What does the M stand for in C# Decimal literal notation?
...literal, as others have said. However, the origins are probably not those suggested elsewhere in this answer. From the C# Annotated Standard (the ECMA version, not the MS version):
The decimal suffix is M/m since D/d
was already taken by double.
Although it has been suggested that M
stands...
Difference between two dates in Python
...
Use - to get the difference between two datetime objects and take the days member.
from datetime import datetime
def days_between(d1, d2):
d1 = datetime.strptime(d1, "%Y-%m-%d")
d2 = datetime.strptime(d2, "%Y-%m-%d"...
How do I create an immutable Class?
I am working on creating an immutable class.
I have marked all the properties as read-only.
6 Answers
...