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C++ stl stack/queue 的使用方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...示例代码如下：
stack<int> s1;
stack<string> s2;
stack 的基本操作有：
入栈，如例：s.push(x);
出栈，如例：s.pop(); 注意，出栈操作只是删除栈顶元素，并不返回该元素，使用top()访问元素。
访问栈顶，如例：s.top()
判断栈空，如例...
项目管理实践【四】Bug跟踪管理【Bug Trace and Management】 - 项目管理 -...
...个空的数据库（例如数据库名称是'BugNET'）。如果是升级操作，那么在做任何操作之前，请备份你的数据库。
5.使用文本编辑器编辑Web.config文件。找到"LocalSqlServer"连接字符串设置，并修改"connectionString"属性值和你在第四步中创...
当ORACLE 11G 遇到 JUNIPER 防火墙 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...故障现象 172.16.100.70可以使用PL SQL登陆ORACLE 但是执行查询操作就无响应。使用SQL*PLUS可以查询。撤掉防火墙改为直连，WIND...TOP 如下
故障现象 172.16.100.70可以使用PL/SQL登陆ORACLE 但是执行查询操作就无响应。使用SQL*PLUS可以查...
Unzipping files in Python
... zip_ref:
zip_ref.extractall("targetdir")
You dont need to use the close or try/catch with this as it uses the
context manager construction.
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live output from subprocess command
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Executive Summary (or "tl;dr" version): it's easy when there's at most one subprocess.PIPE, otherwise it's hard.
It may be time to explain a bit about how subprocess.Popen does its thing.
(Caveat: this is for Python 2.x, although 3.x is similar; and I'm quite fuzzy on the Windows variant. ...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
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I'm on a Mac running Mavericks. My solution was to install Postgres.
And then in terminal install using homebrew with the configuration:
gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/latest/bin/pg_config
Note: This answer has been edited to use th...
How do I update the password for Git?
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To fix this on macOS, you can use
git config --global credential.helper osxkeychain
A username and password prompt will appear with your next Git action (pull, clone, push, etc.).
For Windows, it's the same command with a different argume...
Can't find the PostgreSQL client library (libpq)
I'm trying to install PostgreSQL for Rails on Mac OS X 10.6. First I tried the MacPorts install but that didn't go well so I did the one-click DMG install. That seemed to work.
...
Programmatically Determine a Duration of a Locked Workstation?
...ously your application will need to be running, but so long as it is:
Microsoft.Win32.SystemEvents.SessionSwitch += new Microsoft.Win32.SessionSwitchEventHandler(SystemEvents_SessionSwitch);
void SystemEvents_SessionSwitch(object sender, Microsoft.Win32.SessionSwitchEventArgs e)
{
if (e.Reason...
Find where python is installed (if it isn't default dir)
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In unix (mac os X included) terminal you can do
which python
and it will tell you.
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