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How to concatenate two IEnumerable into a new IEnumerable?
...umentNullException. To avoid this & treat nulls as you would an empty set, use the null coalescing operator like so:
var together = (first ?? Enumerable.Empty<string>()).Concat(second ?? Enumerable.Empty<string>()); //amending `<string>` to the appropriate type
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What does the 'b' character do in front of a string literal?
Apparently, the following is the valid syntax:
8 Answers
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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）...
Streaming Audio from A URL in Android using MediaPlayer?
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simple Media Player with streaming example.For xml part you need one button with id button1 and two images in your drawable folder with name button_pause and button_play and please don't forget to add the internet permission in your manifest.
public class MainActivit...
Is it safe to remove selected keys from map within a range loop?
...ap source code. It looks like on a call to delete(k, v), it basically just sets a flag (as well as changing the count value) instead of actually deleting the value:
b->tophash[i] = Empty;
(Empty is a constant for the value 0)
What the map appears to actually be doing is allocating a set numbe...
Is there a way to iterate over a slice in reverse in Go?
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Get current folder path
...ironment.CurrentDirectory can be changed in a number of ways... (shotrtcut settings, etc)
– Yousha Aleayoub
Nov 16 '19 at 16:21
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disable nganimate for some elements
I'm using the ngAnimate module, but all my ng-if , ng-show , etc, are affected by that, I want to leverage ngAnimate for some selected elements.
For performance and some bugs in elements that shows and hide very speedy.
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Iterate through pairs of items in a Python list [duplicate]
Is it possible to iterate a list in the following way in Python (treat this code as pseudocode)?
5 Answers
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Increasing the maximum number of TCP/IP connections in Linux
...s is being limited since my bandwidth isn't being saturated even when I've set the number of connections to "unlimited".
4 ...