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Infinity symbol with HTML
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What's your environment? On the Mac, it's option-5. In GTK+, it's C-S-u 2 2 1 E. On Windows, it's ALT 2 3 6 (keypad). A good text editor will also have a way to define an abbrev for it.
– Ken
Feb 14 '10 at 0:19
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Is there a command to undo git init?
...again.
This post well show you how to find the hide .git file on Windows, Mac OSX, Ubuntu
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iOS: How to get a proper Month name from a number?
... Documentation for monthSymbols: developer.apple.com/library/mac/#documentation/Cocoa/Reference/…
– firecall
Jan 2 '12 at 3:46
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undefined method `source_index' for Gem:Module (NoMethodError)
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Update: In addition to the @uxp answer, if you running this command on a Mac running Catalina, there is a small change in command, you need to add -n.
So the command would be sudo gem update --system -n 1.8.25
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How to compile python script to binary executable
...starting point. PyInstaller also lets you create executables for linux and mac...
Here is how one could fairly easily use PyInstaller to solve the issue at hand:
pyinstaller oldlogs.py
From the tool's documentation:
PyInstaller analyzes myscript.py and:
Writes myscript.spec in the ...
How to redirect both stdout and stderr to a file [duplicate]
...be available in older versions of Bash. It does appear to be working on my machine which runs Gnu bash v3.2.48.
– James Wald
Apr 10 '14 at 7:32
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Getting a structural type with an anonymous class's methods from a macro
Suppose we want to write a macro that defines an anonymous class with some type members or methods, and then creates an instance of that class that's statically typed as a structural type with those methods, etc. This is possible with the macro system in 2.10.0, and the type member part is extremely...
How does the “final” keyword in Java work? (I can still modify an object.)
... that can approve or disapprove this claim. I've searched on both Java and Android documentation . Also searched for "Java memory model". Maybe it works this way on C/C++, but I don't think it works this way on Java. Am I correct?
– android developer
Jun 22 '14...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
...；非AT开头是透传数据：
这里仅演示了需求硬件状态、MAC地址的指令，当然不同厂商会提供不同的AT指令，具体可查看厂商提供的硬件说明书。BLE设备角色主要分为两种角色，主机（Master或Central）和从机（Peripheral），当主机和...
What's the difference between BaseAdapter and ArrayAdapter?
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In response to your 3 questions:
(1) BaseAdapter, according to the Android docs, is just a superclass of a number of adapter types, one of which is ArrayAdapter. There are a number of other adapters that are derived from BaseAdapter that fit different purposes. As a result it is unlikley the...