valueIfTagNotThere
valueIfTagNotThere parameter. If there is no data, that value will be returned from the call. The blocks in Figure 22-2, for the Screen.Initialize of No Texting While ... ,GetValue(tag,valueIfTagNotThere): GetValue asks Firebase to get the value stored under the given tag. It will pass valueIfTagNotThere to GotValue if there is no ...
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![]() valueIfTagNotThere 相關參考資料
App Inventor 2 指令中文化微型資料庫TinyDB元件 ...
GetValue : 取得指定標籤下的資料,tag 參數必須是為文字字串;如果其下沒有任何資料,則傳回valueIfTagNotThere下的字串。 StoreValue. TinyDB1.StoreValue ... http://www.appinventor.tw Chapter 22. Databases - App Inventor 2
valueIfTagNotThere parameter. If there is no data, that value will be returned from the call. The blocks in Figure 22-2, for the Screen.Initialize of No Texting While ... http://www.appinventor.org Experimental - MIT App Inventor 2
GetValue(tag,valueIfTagNotThere): GetValue asks Firebase to get the value stored under the given tag. It will pass valueIfTagNotThere to GotValue if there is no ... http://ai2.appinventor.mit.edu Storage - MIT App Inventor 2
GetValue(tag,valueIfTagNotThere): GetValue asks CloudDB to get the value stored under the given tag. It will pass the result to the GotValue will be given. http://ai2.appinventor.mit.edu TinyDB - AppyBuilder
any GetValue(text tag, any valueIfTagNotThere). Retrieve the value stored under the given tag. If there's no such tag, then return valueIfTagNotThere. https://help.appybuilder.com TinyDB valueIfTagNotThere ... - AI2 Inventor Forum News
TinyDB valueIfTagNotThere misbehaving. This block reads a previously saved setting (font size) in TinyDB. In case it's the app's first run, the ... http://ai2inventor.blogspot.co TinyDB valueIfTagNotThere misbehaving - Google Groups
So I attached a DO block to the valueIfTagNotThere slot, which creates the tag and returns the default value (18). Logically, the DO block should only be ... https://groups.google.com Working with Databases - AppInventor.org
When you call GetValue, you specify a "valueIfTagNotThere" parameter. If there is no data, that value will be returned from the call. The blocks in Figure 22-2, ... http://www.appinventor.org [ MIT App Inventor ] TinyDB簡易資料庫儲存 ... - 黯語生活討論區
GetValue : 取得指定標籤內的資料。參數必須為文字字串;如果其下沒有任何資料,則傳回valueIfTagNotThere顯示的字串。 https://devildemon20100423.blo |