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Supabase扩展能实现实时推送吗？源码级Realtime能力分析 - App应用开发 - ...
...方式：
- 客户端库（WebSocket）
- REST API（HTTP POST /realtime/v1/api/broadcast）
- 数据库函数（realtime.send()）
2. Presence（在线状态）
跟踪用户在线/离线状态，同步状态数据。
3. Postgres Changes（数据库变更）
监听 PostgreSQL 表的 INSER...
How to convert string into float in JavaScript?
...ant to be separate values, try this:
var values = "554,20".split(",")
var v1 = parseFloat(values[0])
var v2 = parseFloat(values[1])
If they're meant to be a single value (like in French, where one-half is written 0,5)
var value = parseFloat("554,20".replace(",", "."));
...
decorators in the python standard lib (@deprecated specifically)
...age index (PyPi)
GitHub website
Read The Docs
Twitter
New stable release v1.2.10 ????
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Log4net rolling daily filename with date in the file name
...rveLogFileNameExtension doesn't work for earlier versions of log4net (e.g. v1.2.10) as it's described here
– Dmitry Karpenko
Nov 8 '18 at 12:53
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#1071 - Specified key was too long; max key length is 1000 bytes
...Here's a method to find out:
SELECT
ROUND(SUM(LENGTH(`menu_link`)<10)*100/COUNT(`menu_link`),2) AS pct_length_10,
ROUND(SUM(LENGTH(`menu_link`)<20)*100/COUNT(`menu_link`),2) AS pct_length_20,
ROUND(SUM(LENGTH(`menu_link`)<50)*100/COUNT(`menu_link`),2) AS pct_length_50,
ROUND(SUM(LENGTH...
Partial Commits with Subversion
...
This is possible using TortoiseSvn (Windows) since v1.8.
4.4.1. The Commit Dialog
If your working copy is up to date and there are no conflicts, you are ready to commit your changes. Select any
file and/or folders you want to commit, then TortoiseSVN → Commit....
<snip&...
OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...子，BN_CLICKED通告消息，无法发送按下鼠标按键时鼠标的位置信息。
当Windows 3.x下的控件需要发送包括额外数据的通告消息时，它们使用各种特殊目的的消息，包括WM_CTLCOLOR, WM_VSCROLL, WM_HSCROLL, WM_DRAWITEM, WM_MEASUREITEM,WM_COMPAREITEM, WM_D...
How to smooth a curve in the right way?
...ort numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0,2*np.pi,100)
y = np.sin(x) + np.random.random(100) * 0.2
yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3
plt.plot(x,y)
plt.plot(x,yhat, color='red')
plt.show()
UPDATE: It has come to my attention that the co...
Get root view from current activity
...easier way:
The following code gives a view of the whole activity:
View v1 = getWindow().getDecorView().getRootView();
To get a certian view in the activity,for example an imageView inside the activity, simply add the id of that view you want to get:
View v1 = getWindow().getDecorView().getRoot...
Git Bash doesn't see my PATH
.../c/Windows:/c/Wind ows/System32/Wbem:/c/Windows/System32/WindowsPowerShell/v1.0/:/e/Program Files ( x86)/Microsoft SQL Server/90/Tools/binn/
– ulu
May 22 '12 at 12:14
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