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What is the difference between a field and a property?
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32 Answers
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How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
... System.out.println(Calendar.getInstance().get(Calendar.SECOND)); // 32
System.out.println(Calendar.getInstance().get(Calendar.MILLISECOND)); // 481
// Joda Time
System.out.println(new DateTime().getYear()); // 2015
System.out.println(new DateTime().getMonthOfYear()...
How to see which commits in one branch aren't in the other?
...a9077ddb9e78b1e8f24bfc70e674c627949
+ b4459544c000f4d51d1ec23f279d9cdb19c1d32b
+ b6ce3b78e938644a293b2dd2a15b2fecb1b54cd9
The commits that begin with + will be the ones that you haven't yet cherry-picked into next. In this case, I'd only cherry-picked one commit so far. You might want to add the...
Which is more efficient, a for-each loop, or an iterator?
... // InterfaceMethod java/util/Iterator.hasNext:()Z
16: ifeq 32
19: aload_1
20: invokeinterface #7, 1 // InterfaceMethod java/util/Iterator.next:()Ljava/lang/Object;
25: checkcast #8 // class java/lang/Integer
28: astore_2
29: goto ...
Java code To convert byte to Hexadecimal
...ffffffff"
The 8-bit byte, which is signed in Java, is sign-extended to a 32-bit int. To effectively undo this sign extension, one can mask the byte with 0xFF.
byte b = -1;
System.out.println(Integer.toHexString(b & 0xFF));
// prints "ff"
Another issue with using toHexString is t...
What does it mean to “program to an interface”?
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Build an iOS app without owning a mac? [closed]
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32
Let me tell you step by step few years back I was in same situation.
So We have two Phases
i...
将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...的包含。
#if HAVE_UTIME_H ?---- 如果有utime.h 文件
# ifdef WIN32 ?-----如果是win32环境
# include <sys/utime.h> ?-----包含sys/utime.h
# endif
# ifdef LINUX ?---- 如果是Linux环境
# include <utime.h> ?---- 包含utime.h
# endif
#else ?--- 如果没有utime.h定义出需...
Handling InterruptedException in Java
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answered Oct 20 '10 at 9:24
aioobeaioobe
372k9393 gold ba...
What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
...ign key
– aurelije
Dec 29 '16 at 10:32
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