大约有 40,000 项符合查询结果（耗时：0.0449秒） [XML]
深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...验证通过，正则表达式为“^(([\x20-\x7e])|(\x8e[\xa6-\xdf])){1,32}$“。现在问题是UT测试代码能够通过，而前台输入则不能。
此时若后台采用的是JAVA编程，问题便很容易解决直接用destStr = new String(sourceStr.getByte(“UTF-8”), “EUC-JP”)就...
Configuring IntelliJ IDEA for unit testing with JUnit
I decided to try out IntelliJ this morning via the trial version and installed the JUnit plugin. I made a new Java project and I want to write a test case for it.
...
What is a Y-combinator? [closed]
...m the “functional” side of things. Most programmers don't know much at all about combinators, if they've even heard about them.
...
Java generics T vs Object
...swered Oct 2 '15 at 9:28
user1883212user1883212
5,55166 gold badges3939 silver badges6363 bronze badges
...
gitignore without binary files
...
# Ignore all
*
# Unignore all with extensions
!*.*
# Unignore all dirs
!*/
### Above combination will ignore all files without extension ###
# Ignore files with extension `.class` & `.sm`
*.class
*.sm
# Ignore `bin` dir
bin/
...
What is the difference between SQL, PL-SQL and T-SQL?
...e to operate on sets.
It is more or less standardized, and used by almost all relational database management systems: SQL Server, Oracle, MySQL, PostgreSQL, DB2, Informix, etc.
PL/SQL is a proprietary procedural language used by Oracle
PL/pgSQL is a procedural language used by PostgreSQL
TSQL is a ...
How to make a phone call using intent in Android?
...ent = new Intent(Intent.ACTION_DIAL);
intent.setData(Uri.parse("tel:0987654321"));
startActivity(intent);
share
|
improve this answer
|
follow
|
...
What does a tilde do when it precedes an expression?
...
~ is a bitwise operator that flips all bits in its operand.
For example, if your number was 1, its binary representation of the IEEE 754 float (how JavaScript treats numbers) would be...
0011 1111 1111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0...
What do I return if the return type of a method is Void? (Not void!)
...le, use reflection to look at a method with a return type of void. (Technically, you'll get back Class<Void>.) It has other assorted uses along these lines, like if you want to parameterize a Callable<T>.
Due to the use of generics in Java I ended up in having to implement this funct...
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
... on it.
– Botz3000
May 30 '12 at 10:32
3
...