Tag: delete
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Post Views: 32 1. In yii2, an update interface, if the records in the table have been deleted before executing save(), it will still return ture, whether this situation needs to be avoided. as shown in Figure 1 2. The code is implemented as follows 3. Decide not to adjust for the time being.
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Post Views: 17 1. Copy a large number of files in Windows 10, resulting in CPU usage 100% of which makes it impossible to perform other operations (other operations are too slow, basically it will take a few seconds to react.), during this period may also be because I did the operation to delete the folder (size 10GB). as shown…
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Post Views: 18 1. In Google Chrome, due to the website upgrade, open blank, only in the seamless mode can be opened normally. as shown in Figure 1 2. After deleting the saved data of the website in the browser. Although you need to log in again, the opening is still blank. as shown in Figure 2 3. Open the…
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Post Views: 17 1. The json field is stored in the array format, the value example:[249, 247, 250, 244, 243, 255, 246, 245, 257, 248, 259, 252, 256]. as shown in Figure 1 2. The existing code running in the queue job is implemented as follows, the generated SQL is as follows 3. Since the queue tasks can be run…
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Post Views: 58 1. In the table, there is a large amount of duplicate data in the column store_name, such as: chill26, ftolrxs34. as shown in Figure 1 2. Now I want to count how many non-repeatable store_name are in total. Then you need to remove the duplicate data first to ensure the uniqueness of each row. Reference:Use duplicates quickly…
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Post Views: 21 1. TortoiseGit detects that the file does not exist, but has been temporarily stored as “Add” or “Modify” in “Index”. The Submit dialog box cannot be handled. Do you want to recover or delete it from the index? Recover this file from the index (E) Remove this file (R) from the index and ignore it. as shown…
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Post Views: 19 1. Adding fields to a table takes 180 seconds. as shown in Figure 1 2. The total number of records in the query table is: 173816. as shown in Figure 2 3. Decide to allow the newly added field to be null, and add the field again, which takes 104 seconds. as shown in Figure 3 4.…