大约有 41,731 项符合查询结果(耗时:0.0506秒) [XML]
Return a value if no rows are found in Microsoft tSQL
Using a Microsoft version of SQL, here's my simple query. If I query a record that doesn't exist then I will get nothing returned. I'd prefer that false (0) is returned in that scenario. Looking for the simplest method to account for no records.
...
How do I sort a Set to a List in Java?
In Java, I have a Set , and I want to turn it into a sorted List . Is there a method in the java.util.Collections package that will do this for me?
...
Insert a string at a specific index
How can I insert a string at a specific index of another string?
18 Answers
18
...
Stacked Tabs in Bootstrap 3
I am trying to implement left-aligned stacked tabs using the Tab jquery plugin in Bootstrap 3 where tabs are rendered vertically to the left of tab content, rather than on top. When I try the following;
...
EF Code First “Invalid column name 'Discriminator'” but no inheritance
I have a table in my database called SEntries (see below the CREATE TABLE statement). It has a primary key, a couple of foreign keys and nothing special about it. I have many tables in my database similar to that one, but for some reason, this table ended up with a "Discriminator" column on the EF P...
Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
I want a regular expression to check that
13 Answers
13
...
Why do I need an IoC container as opposed to straightforward DI code? [closed]
I've been using Dependency Injection (DI) for a while, injecting either in a constructor, property, or method. I've never felt a need to use an Inversion of Control (IoC) container. However, the more I read, the more pressure I feel from the community to use an IoC container.
...
INNER JOIN ON vs WHERE clause
For simplicity, assume all relevant fields are NOT NULL .
11 Answers
11
...
The JPA hashCode() / equals() dilemma
There have been some discussions here about JPA entities and which hashCode() / equals() implementation should be used for JPA entity classes. Most (if not all) of them depend on Hibernate, but I'd like to discuss them JPA-implementation-neutrally (I am using EclipseLink, by the way).
...
Return JSON response from Flask view
I have a function that analyzes a CSV file with Pandas and produces a dict with summary information. I want to return the results as a response from a Flask view. How do I return a JSON response?
...
