Year: 2021
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Post Views: 18 1. Reference URL:https://www.shuijingwanwq.com/2017/01/08/1505/, the process of realizing the locking mechanism of Redis under Yii2.0, its core is to use Redis SetNX. 2. Generally speaking, after the lock is successful, the corresponding business logic is executed, and then the lock is deleted. However, if the business logic is accidentally exited for some reason, resulting in a lock but…
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Post Views: 16 1. In the past few days, an interview question during the computer test, design a high-precision addition function, which supports the addition of long numbers without losing the accuracy, and ignores negative numbers (please do not use BCADD and other built-in functions). 2. Check php official website, bcadd – the addition calculation of two arbitrary precision numbers.…
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Post Views: 50 1. Laptop (ThinkPad T570) The headphones have sound, but there is no sound from the outside. There is sound before confirmation. 2. Open the Lenovo service website: https://newsupport.lenovo.com.cn/ . Search: T570, selection: ThinkPad T570. as shown in Figure 1 3. In the newly opened page, click: Driver Download. as shown in Figure 2 4. Expand the sound…
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Post Views: 49 1. OKEx APP Error when logging in: https://api.geest.com/gt_judgement?pt=2,error:java.net.SocketTimeoutException:read timed out. as shown in Figure 1 2. Turn on the blue light, connect the VPN, and the server location is located in Singapore. as shown in Figure 2 3. Log in again, and still report an error: url:https://api.getest.com/gt_judgemen t?pt=2,error:java.net.SocketTimeoutException:failed To connect to api.getest.com/203.107.32.16 (port 443) from / 10.33.11.215…
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Post Views: 15 1. After the basic image of the container is replaced, when the RANCHER environment variable, CHANNEL_PUB_API_CFG_MIGrate=true, the container starts failure. Error: php core warningYii\Base\ErrorExceptionwith messagemoduleGDalready loaded. as shown in Figure 1 2. When the RANCHER environment variable, channel_pub_api_cfg_migrate=false, the container starts successfully. as shown in Figure 2 3. When the RANCHER environment variable, channel_pub_api_cfg_migrate=true, is essentially executing…
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Post Views: 16 1. At this stage, there are two environments in the public cloud. They are COM environments and CSP environments, respectively. COM environment container, as shown in Figure 1 2. Containers in the CSP environment. In the CSP environment, the 2 containers of the COM environment have been merged into one container. And a new container has been…
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Post Views: 14 1. Reference URL:https://www.shuijingwanwq.com/2021/11/10/5453/. A single data item in the list, after closing it in the background, should have been disappearing all the time. However, within a few minutes, it appears and disappears for a while. After about 5 minutes, it finally disappeared forever. 2. Search in the Rancher of K8s: Varnish, and find that there are 3…
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Post Views: 19 1. In Google AdSense’s income report for a period of time, the average income of a single click is about: US$1.55 (estimated revenue) / 30 (clicks) = US$0.05. as shown in Figure 1 2. Reference URL:https://www.shuijingwanwq.com/2021/08/04/5122/. The biggest possibility is that the Yoast SEO plugin is installed. In the end, it was decided to disable it. as…