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Format SQL in SQL Server Management Studio
...Disclosure: This is probably obvious already but I wrote this library/tool/site, so this answer is also shameless self-promotion :)
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How to create a unique index on a NULL column?
...tion compliant with your requirements, instead of just linking an external site which may disappear.
– Frédéric
Feb 26 '15 at 11:07
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All falsey values in JavaScript
...HTML spec as a "willful violation of the JavaScript specification" so that sites written for IE wouldn't break on trying to access, for example, document.all.something; it's falsy because if (document.all) used to be a popular way to detect IE, before conditional comments. See Why is document.all fa...
SET NAMES utf8 in MySQL?
...nections (many are, depending on your location and platform.)
Read http://www.joelonsoftware.com/articles/Unicode.html in case you aren't aware how Unicode works.
Read Whether to use "SET NAMES" to see SET NAMES alternatives and what exactly is it about.
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Handler vs AsyncTask vs Thread [closed]
... background processing with Handlers, AsyncTask and Loaders on the Vogella site puts it:
The Handler class can be used to register to a thread and provides a simple channel to send data to this thread.
The AsyncTask class encapsulates the creation of a background process and the synchronization wi...
How can I expand and collapse a using javascript?
I have created a list on my site. This list is created by a foreach loop that builds with information from my database. Each item is a container with different sections, so this is not a list like 1, 2, 3... etc. I am listing repeating sections with information. In each section, there is a subse...
Prevent any form of page refresh using jQuery/Javascript
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@pankaj - That should be fixed on the application site, and cookies for example so the user shares the session across tabs.
– Nick Craver♦
Aug 19 '10 at 23:30
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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）...
What is the dependency inversion principle and why is it important?
...pt instead of on an implementation, you reduce the need for change at call sites.
Effectively, the DIP reduces coupling between different pieces of code. The idea is that although there are many ways of implementing, say, a logging facility, the way you would use it should be relatively stable in t...
git pull from master into the development branch
...called dmgr2 (development) and I want to pull from the master branch (live site) and incorporate all the changes into my development branch. is there a better way to do this?
here is what I had planned on doing, after committing changes:
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