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背包：将代码块复制并粘贴到不同的屏幕和项目 · App Inventor 2 中文网
...初始化将自动重命名。 例如，如果你尝试粘贴全局变量 X 的变量初始化块，并且工作区已包含 X 的初始化块，则该变量将在粘贴的块中重命名为 X2。
同样，如果你尝试粘贴过程 foo 的过程定义，并且工作区已包含 foo 的定义，...
编辑你的应用（复制和粘贴） · App Inventor 2 中文网
... nb182 版本开始，你可以通过按住平台特定键（Windows/Linux 上的 Ctrl，macOS 上的 Command）并单击其他组件来选择多个组件，此功能有时在 App Inventor 中称为多选。
当你选择多个组件时，属性面板将更新为仅显示所选组件之间的公共...
BLE蓝牙 定时功能 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...启用计时设置为 真，这时才开始计时！假设定一小时，60X360X1000 这样填代码块么？引用: 逍遥虎 发表于 2024-03-23 07:48
假设定一小时，60X360X1000 这样填代码块么？
你这是 6小时。一小时以主贴截图代码块为准！谢谢指...
模拟器启动失败：找不到 msvcp140.dll - App Inventor 2 中文网 - 清泛IT社...
msvcp140.dll 及相关的微软的运行环境安装即可：
https://aka.ms/vs/16/release/vc_redist.x64.exe
https://aka.ms/vs/16/release/vc_redist.x86.exe
SQL selecting rows by most recent date
... can use a GROUP BY to group items by type and id. Then you can use the MAX() Aggregate function to get the most recent service month. The below returns a result set with ChargeId, ChargeType, and MostRecentServiceMonth
SELECT
CHARGEID,
CHARGETYPE,
MAX(SERVICEMONTH) AS "MostRecentServiceMon...
How to print a linebreak in a python function?
...= ['a1', 'a2', 'a3']
>>> B = ['b1', 'b2', 'b3']
>>> for x in A:
for i in B:
print ">" + x + "\n" + i
Outputs:
>a1
b1
>a1
b2
>a1
b3
>a2
b1
>a2
b2
>a2
b3
>a3
b1
>a3
b2
>a3
b3
Notice that you are using /n which is not correct!
...
String is immutable. What exactly is the meaning? [duplicate]
...are immutable? Well to your surprise, it is.
When the above statement is executed, the VM takes the value of String str, i.e. "knowledge" and appends " base", giving us the value "knowledge base". Now, since Strings are immutable, the VM can't assign this value to str, so it creates a new String ob...
Random row selection in Pandas dataframe
...
Something like this?
import random
def some(x, n):
return x.ix[random.sample(x.index, n)]
Note: As of Pandas v0.20.0, ix has been deprecated in favour of loc for label based indexing.
sha...
How to retrieve a single file from a specific revision in Git?
...
Using git show
To complete your own answer, the syntax is indeed
git show object
git show $REV:$FILE
git show somebranch:from/the/root/myfile.txt
git show HEAD^^^:test/test.py
The command takes the usual style of revision, meaning you can use any of the following:
branch name...
Service Temporarily Unavailable Magento?
...there is a file called maintenance.flag and if so delete it.
Magento 1.x : maintenance.flag file is in : magento root directory
Magento 2.x : maintenance.flag file is in : var folder
When Magento is performing certain tasks it temporarily creates this file. Magento checks for its exist...