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App Inventor 2 网络微数据库你用对了吗？ - App Inventor 2 中文网 - 清泛...
...小约为 64KB 字节，超过则会保存失败。
https://tinywebdb.appinventor.space/ 经测试，单个键值的容量大小约为 9000 字节（9KB），超过则会保存失败。
来自：https://www.fun123.cn/reference/components/storage.html#TinyWebDB
学习了，谢谢分享
App Inventor 2 要在界面上做一个电量图标，有什么好的思路吗？ - App应用...
问：要在界面上做一个电量图标，有什么好的思路吗？
答：首先，很容易想到使用进度条相关的组件，原生”滑动条“组件可以吗？
答案显而易见，首先它的样式自定义不够，UI不外乎上图这种，只是修改颜色而已，想要...
When - and why - should you store data in the Windows Registry?
...big.
Solution (WinXP): Large blocks of individual data moved to user's own Application Data folder.
Problem: Good for large amounts of data, but rather complex for small amounts.
Solution (.NET): small amounts of fixed, read-only data stored in .config (Xml) files in same folder as application, with...
Android studio: why are minSdkVersion and targetSdkVersion specified both in AndroidManifest.xml and
... Strange. It seems that Google decides the minSDK by what API our app calls. Eventhough my app/build.gradle specifies minSDK to be Android 2.2, in Google Play it says minSDK = Android 1.6. And yes, the decompiled AndroidManifest.xml contains no minSDK information. I think this is a problem,...
How to detect shake event with android?
...nexus has to be a much more violent shake on a galaxy III running the same app. if i make it less sensitive for this device, it'll be too sensitive on something like the nexus. hmmmmmmm.
– topwik
Jun 19 '13 at 19:57
...
How to use SharedPreferences in Android to store, fetch and edit values [closed]
...:
SharedPreferences prefs = this.getSharedPreferences(
"com.example.app", Context.MODE_PRIVATE);
To read preferences:
String dateTimeKey = "com.example.app.datetime";
// use a default value using new Date()
long l = prefs.getLong(dateTimeKey, new Date().getTime());
To edit and save pre...
Difference between onStart() and onResume()
...Needed();
switchOnWipersIfNeeded();
}
protected void onResume() {
applyFootbrake();
releaseHandbrake();
putCarInGear();
drive();
}
protected void onPause() {
putCarInNeutral();
applyHandbrake();
}
protected void onStop() {
switchEveryThingOff();
turnOffEngine()...
gulp.run is deprecated. How do I compose tasks?
...bed'];
var client = ['scripts', 'styles', 'copy', 'lint'];
gulp.watch('app/*.js', server);
gulp.watch('spec/nodejs/*.js', server);
gulp.watch('app/backend/*.js', server);
gulp.watch('src/admin/*.js', client);
gulp.watch('src/admin/*.css', client);
gulp.watch('src/geojson-index.json', [...
How do I make a JAR from a .java file?
I was writing a simple program using a Java application (not application that has projects, but application within a project; .java ) that has a single frame. Both of the files are .java so I can't write a manifest needed by the JAR.
...
rake db:schema:load vs. migrations
...ery simple question here - if migrations can get slow and cumbersome as an app gets more complex and if we have the much cleaner rake db:schema:load to call instead, why do migrations exist at all?
...