大约有 15,000 项符合查询结果（耗时：0.0277秒） [XML]
How do you uninstall all dependencies listed in package.json (NPM)?
If I have a package.json file defined in my application root and run npm install -g it will install all the dependencies defined in package.json, globablly.
...
How to check if a file is empty in Bash?
I have a file called diff.txt. Want to check if it is empty. Did something like this but couldn't get it working.
10 Answe...
Decimal precision and scale in EF Code First
I'm experimenting with this code-first approach, but I'm find out now that a property of type System.Decimal gets mapped to a sql column of type decimal(18, 0).
...
Altering a column: null to not null
I have a table that has several nullable integer columns. This is undesirable for several reasons, so I am looking to update all nulls to 0 and then set these columns to NOT NULL . Aside from changing nulls to 0 , data must be preserved.
...
Qt: can't find -lGL error
I just reinstalled QtCreator, created new project ( Qt Application ) an got this after compilation:
8 Answers
...
How do I use a custom Serializer with Jackson?
I have two Java classes that I want to serialize to JSON using Jackson:
11 Answers
11
...
How do I specify a pointer to an overloaded function?
I want to pass an overloaded function to the std::for_each() algorithm. For example,
6 Answers
...
Delete all data in SQL Server database
How I can delete all records from all tables of my database? Can I do it with one SQL command or I need for one SQL command per one table?
...
Scala how can I count the number of occurrences in a list
I want to implement it like this: list.count(2) (returns 3).
16 Answers
16
...
Sqlite primary key on multiple columns
What is the syntax for specifying a primary key on more than 1 column in SQLITE ?
9 Answers
...