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How do I find the location of Python module sources?
...swer to indicate that datetime.__file__ points to a .so on Linux & Mac OS X (though on Windows the datetime module object has no file attribute), I'll accept your answer.
– Daryl Spitzer
Nov 6 '08 at 19:06
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在线服务的黑天鹅 - 资讯 - 清泛网 - 专注C/C++及内核技术
...难题更能体现在线服务可用性的不可控，可用性是指一个系统中提供服务与设计时间的比例，通常用百分比来表示。在线服务通常看到最多的是以下3种
99.9%，服务中断时间：525.6分钟/年
99.99%，服务中断时间：52.56分钟/年
99.9...
How do I serialize an object and save it to a file in Android?
...
Saving (w/o exception handling code):
FileOutputStream fos = context.openFileOutput(fileName, Context.MODE_PRIVATE);
ObjectOutputStream os = new ObjectOutputStream(fos);
os.writeObject(this);
os.close();
fos.close();
Loading (w/o exception handling code):
FileInputStream fis =...
Check if string ends with one of the strings from a list
...m the file and see if it is in the set of extensions:
>>> import os
>>> extensions = set(['.mp3','.avi'])
>>> file_name = 'test.mp3'
>>> extension = os.path.splitext(file_name)[1]
>>> extension in extensions
True
Using a set because time complexity for...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
... TimeToWait - 等待时间
设置控制权返回给调用App之前等待操作完成的最长等待时间（单位：秒）。在以下情况下将返回控制权：
操作完成
或超时
或客户端断开/关闭
默认值为 -1，表示操作不会超时。如...
创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...含主键约束条件”。如果将此表的主键增加字段并ENABLE后操作，又说：“ORA-23412: 主表的主键列已更改”。
但有一个奇怪的现象：在数据库B上我们也建立过物化视图，它却在此表的主键disable之后，还是正常运行。
我们介绍...
How do I view the type of a scala expression in IntelliJ
...2 '11 at 10:26
Sergey PassichenkoSergey Passichenko
6,65211 gold badge2525 silver badges2929 bronze badges
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When you exit a C application, is the malloc-ed memory automatically freed?
...of that experience, I can say that it does NOT free memory when programs close.
– San Jacinto
Feb 6 '10 at 15:44
8
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Set up adb on Mac OS X
...
Note: this was originally written on Installing ADB on macOS but that question was closed as a duplicate of this one.
Option 1 - Using Homebrew
This is the easiest way and will provide automatic updates.
Install homebrew
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com...
Why I cannot cout a string?
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You need to include
#include <string>
#include <iostream>
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