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Many-to-many relationship with the same model in rails?
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There are several kinds of many-to-many relationships; you have to ask yourself the following questions:
Do I want to store additional information with the association? (Additional fields in the join table.)
Do the associations need to be implicitl...
Concatenating string and integer in python
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Modern string formatting:
"{} and {}".format("string", 1)
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Font Awesome icon inside text input element
I am trying to insert a user icon inside username input field.
22 Answers
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Where is the itoa function in Linux?
itoa() is a really handy function to convert a number to a string. Linux does not seem to have itoa() , is there an equivalent function or do I have to use sprintf(str, "%d", num) ?
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Is it possible to use “/” in a filename?
...ay to use the slash character that normally separates directories within a filename in Linux?
6 Answers
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Resolving a Git conflict with binary files
I've been using Git on Windows (msysgit) to track changes for some design work I've been doing.
12 Answers
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Browsing Folders in MSYS
This will be the toughest question of the day. How do I navigate through my Windows folder structure within the MSYS shell? When I start the shell, all I see is a '~'. I type 'ls' and the folder is empty. I just want to know how to get to my c drive.
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Why does pycharm propose to change method to static
...Charm "thinks" that you might have wanted to have a static method, but you forgot to declare it to be static (using the @staticmethod decorator).
PyCharm proposes this because the method does not use self in its body and hence does not actually change the class instance. Hence the method could be ...
BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
文章源自：https://www.gandalf.site/2018/11/ble_23.html
参考低功耗蓝牙（BLE）安全初探
0x1 信道BLE的物理通道即“频道，分别是‘f=2402+k*2 MHz, k=0, … ,39’，带宽为2MHz”的40个RF Channel。
其中，有3个信道是advertising channel（广播通道）...
How to amend a commit without changing commit message (reusing the previous one)?
... commit without vi (or your $EDITOR ) popping up with the option to modify your commit message, but simply reusing the previous message?
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