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Advantages of Binary Search Trees over Hash Tables
What are the advantages of binary search trees over hash tables?
18 Answers
18
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Byte order mark screws up file reading in Java
I'm trying to read CSV files using Java. Some of the files may have a byte order mark in the beginning, but not all. When present, the byte order gets read along with the rest of the first line, thus causing problems with string compares.
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What is the difference between CHARACTER VARYING and VARCHAR in PostgreSQL?
John uses CHARACTER VARYING in the places where I use VARCHAR .
I am a beginner, while he is an expert.
This suggests me that there is something which I do not know.
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What does preceding a string literal with “r” mean? [duplicate]
I first saw it used in building regular expressions across multiple lines as a method argument to re.compile() , so I assumed that r stands for RegEx.
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Easier way to populate a list with integers in .NET [duplicate]
Is there a simpler or more elegant way of initializing a list of integers in C# other than this?
2 Answers
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Remove final character from string [duplicate]
Let's say my string is 10 characters long.
2 Answers
2
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ifstream 线程安全读文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
ifstream 线程安全读文件函数 safeGetline：std::istream& safeGetline(std::istream& is, std::string& t){ t clear(); 使用std::streambuf 函数 safeGetline：
std::istream& safeGetline(std::istream& is, std::string& t)
{
t.clear();
//这比使用std::istream逐个读...
Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...ile 没有问题
查看权限
ll .bash_profile
-rw--rw--- 1 oracle oinstall 529 10鏈?24 20:18 /home/oracle/.bash_profile
有问题。修改权限
chmod 775 /home/oracle/.bash_profile
进入ORLACE
sqlplus /as sysdba
SQL> select * from v$log;
GROUP# THREAD# SE...
NSIS脚本编程(持续更新) - 脚本技术 - 清泛IT论坛，有思想、有深度
本帖最后由 zqp2013 于 2014-12-31 14:18 编辑
NSIS MessageBox 中无法换行？
NSIS中 $ 不但是变量常量的开头，还是一个转义字符，因此换行符应该$\n。
messagebox::show MB_SETFOREGROUND|MB_ICONHAND|MB_DEFBUTTON3|MB_TOPMOST "" "" \ &nbs...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
Linux bpftrace学习笔记（持续更新）Linux-bpftrace-notes图：BPF性能工具及其可见性bpftrace安装请参考：bpftrace-install。1、查看程序在打开哪些文件： bpftrace -e & 39;tracepoint:syscalls:sys_enter_open { printf("%s %s n
图：BPF性能工具及其可见性
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