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What does the '.' (dot or period) in a Go import statement do?
In the Go tutorial, and most of the Go code I've looked at, packages are imported like this:
3 Answers
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/data/user/0/xxxx/files（内部存储）和 /storage/emulated/0/Android/data...
...xxx/files外部存储（如模拟的 SD 卡）
内部存储：始终位于系统分区，与应用绑定，用户无法直接通过文件管理器访问（需 Root）。外部存储：位于用户可见的存储空间（如 /sdcard/），路径可能因设备而异（如部分设备显示为 /mnt/s...
YYYY-MM-DD format date in shell script
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The preferred syntax in any POSIX-compliant shell in this millennium is date=$(date) instead of date=`date`. Also, don't use uppercase for your private variables; uppercase variable names are reserved for the system.
– tripleee
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C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
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所谓的段错误 就是指访问的内存超出了系统所给这个程序的内存空间，通常这个值是由gdtr来保存的，他是一个48位的寄存器，其中的32位是保存由它指向的gdt表， 后13位保存相应于gdt的下标，最后3位包括了程序...
Using a piano keyboard as a computer keyboard [closed]
...sound (no pun).
MIDI is a stream of "events" (or "messages"), two of the most fundamental being "note on" and "note off" which carry with them the note number (0 = C five octaves below middle C, through 127 = G five octaves above the G above middle C, in semi-tones). These events carry a "velocity"...
How do I create a new class in IntelliJ without using the mouse?
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You can also do it from the Navigation Bar, press Alt+Home, then choose package with arrow keys, then press Alt+Insert.
Another useful shortcut is View | Select In (Alt+F1), Project (1), then Alt+Insert to create a class near the existing one or use arrow keys to navigate through the package...
Correct way to pause Python program
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For windows only use:
import os
os.system("pause")
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Finding local IP addresses using Python's stdlib
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import socket
socket.gethostbyname(socket.gethostname())
This won't work always (returns 127.0.0.1 on machines having the hostname in /etc/hosts as 127.0.0.1), a paliative would be what gimel shows, use socket.getfqdn() instead. Of course your mach...
Provisioning Profiles menu item missing from Xcode 5
After spending a whole day installing a fresh copy of Mac OS X v10.8 (Mountain Lion), Xcode 5, fixing provisioning profiles, certificates, creating new ones, I finally managed to get my applications running on my iPad again. The problem is that in Xcode 5 I don't have a menu item for Library ...
提升大数据分析思想，拥抱大数据未来 - 资讯 - 清泛网 - 专注C/C++及内核技术
...务经理需要知道如何确保将那些非结构化的数据转化为可操作的信息材料。
那么，我们将如何可以从当前宣传大于实用的状况中获得突破呢？首先，如前文所述，充分理解大数据应用完整的操作周期，做到不忽视任何一个步骤...