大约有 47,000 项符合查询结果(耗时:0.1428秒) [XML]
String literals and escape characters in postgresql
Attempting to insert an escape character into a table results in a warning.
5 Answers
...
Difference between @OneToMany and @ElementCollection?
What is the difference between using a @OneToMany and @ElementCollection annotation since both work on the one-to-many relationship?
...
How can I safely encode a string in Java to use as a filename?
I'm receiving a string from an external process. I want to use that String to make a filename, and then write to that file. Here's my code snippet to do this:
...
Python TypeError: not enough arguments for format string
Here's the output. These are utf-8 strings I believe... some of these can be NoneType but it fails immediately, before ones like that...
...
How to define multiple name tags in a struct
I need to get an item from a mongo database, so I defined a struct like this
2 Answers
...
To find whether a column exists in data frame or not
I have a data.frame with the name "abcframe"
4 Answers
4
...
Updating version numbers of modules in a multi-module Maven project
I have a multi-module maven project. We intend to version all these modules together. But as of now I am ending up hard-coding version in each of the module pom.xml as below
...
How can I insert values into a table, using a subquery with more than one result?
I really would appreciate your help.
6 Answers
6
...
What is the status of JSR 305?
I have seen the question JSR305 vs. JSR308 (Java Type Anotations) - Which is going to be the standard? and I understand the difference between JSR 308 and JSR 305 .
...
How to vertical align an inline-block in a line of text?
I want to create an inline-block that will take on some unknown width and height. (It'll have a table inside it with content dynamically generated). Further, the inline-block should be placed inside a line of text, such as "my text (BLOCK HERE)". To make it look pretty, I'm trying to make the blo...