大约有 43,000 项符合查询结果（耗时：0.0604秒） [XML]
Save PL/pgSQL output from PostgreSQL to a CSV file
... You need to check two things:
Which files should the user be allowed to read/write on disk? This might be a particular directory, for instance, and the filename might have to have a suitable prefix or extension.
Which tables should the user be able to read/write in the database? This would normal...
How to use onSavedInstanceState example please
... of onCreate(), you just get that Bundle back as an argument.
Then you can read your values again and restore your activity.
Lets say you have an activity with an EditText. The user wrote some text inside it.
After that the system calls your onSaveInstanceState().
You read the text from the EditTex...
Get exit code of a background process
...
I have tried and proved it runs well. You can read my explaination in code.
– Terry
Sep 14 '17 at 7:44
...
What is Dependency Injection and Inversion of Control in Spring Framework?
...n my simple understanding of this two terms: (For quick understanding just read examples)
Dependency Injection(DI):
Dependency injection generally means passing a dependent object as a parameter to a method, rather than having the method create the dependent object.
What it means in practice is t...
Parse config files, environment, and command-line arguments, to get a single collection of options
...s for configuration file parsing ( configparser ), environment variable reading ( os.environ ), and command-line argument parsing ( argparse ). I want to write a program that does all those, and also:
...
Keystore type: which one to use?
... its private keys before Java 6, so you had to use other tools).
If you already have a PKCS#12 file, it's often easier to use the PKCS12 type directly. It's possible to convert formats, but it's rarely necessary if you can choose the keystore type directly.
In Java 7, PKCS12 was mainly useful as a...
How to access maven.build.timestamp for resource filtering
...es that is optionally created by the spring-boot-maven-plugin that you can read (spring provides a BuildProperties bean for convenience reading it).
share
|
improve this answer
|
...
opengl: glFlush() vs. glFinish()
... SwapBuffers is context specific and only need to flush the calling thread context. If rendering multiple contexts each should be flushed manually as it is not guearanteed to happen when swapping buffers through another context.
– Andreas
Apr 14 '16 at 14:...
What is the difference between the OAuth Authorization Code and Implicit workflows? When to use each
...
Well...it is how the protocol works. You might want to read the spec threat analysis for a more detailed reference on the security merits of one and the other.
– Eugenio Pace
Dec 19 '16 at 4:51
...
What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
...Employee. If you not need the Department, use the first query.
I recomend read this link if you need to apply some WHERE condition (what you probably will need): How to properly express JPQL "join fetch" with "where" clause as JPA 2 CriteriaQuery?
Update
If you don't use fetch and the Departments...