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java.util.regex - importance of Pattern.compile()?
What is the importance of Pattern.compile() method?
Why do I need to compile the regex string before getting the Matcher object?
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Difference between save and saveAndFlush in Spring data jpa
I am trying to learn spring data JPA by testing some CRUD operation via JpaRepository .
2 Answers
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Using margin:auto to vertically-align a div
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Update Aug 2020
Although the below is still worth reading for the useful info, we have had Flexbox for some time now, so just use that, as per this answer.
You can't use:
vertical-align:middle because it's not applicable to b...
How to properly import a selfsigned certificate into Java keystore that is available to all Java app
I do want to import a self signed certificate into Java so any Java application that will try to establish a SSL connection will trust this certificate.
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Java and SQLite [closed]
I'm attracted to the neatness that a single file database provides. What driver/connector library is out there to connect and use SQLite with Java.
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C: differences between char pointer and array [duplicate]
..."now is the time";
Defines an array whose members live in the current scope's stack space, whereas:
char *pmessage = "now is the time";
Defines a pointer that lives in the current scope's stack space, but that references memory elsewhere (in this one, "now is the time" is stored elsewhere in me...
MySQL Error 1093 - Can't specify target table for update in FROM clause
I have a table story_category in my database with corrupt entries. The next query returns the corrupt entries:
16 Answers...
Map a network drive to be used by a service
Suppose some Windows service uses code that wants mapped network drives and no UNC paths. How can I make the drive mapping available to the service's session when the service is started? Logging in as the service user and creating a persistent mapping will not establish the mapping in the context of...
change html text from link with jquery
a simple question here
7 Answers
7
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Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...令工具，一般来说，大多数的IDE都有这个命令，比如：Delphi的make，Visual C++的nmake，Linux下GNU的make。可见，makefile都成为了一种在工程方面的编译方法。
0.1 关于程序的编译和链接
编译时，编译器需要的是语法的正确...