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BrightnessTools 拓展：设置手机亮度的工具 - App Inventor 2 拓展 - 清泛I...
...ged" indicate what has change.
ParamsTypeDescriptionchangedNumber (int)Return what has been changed.
0 = Brightness Change,
1 = Adaptive ChangebrightnessNumber (int)Return current brightnessadaptivebooleanReturn current adaptive state
Returns: Boolean
Check if modify system setting per...
BrightnessTools 拓展：设置手机亮度的工具 · App Inventor 2 中文网
...
changed
Number (int)
返回哪些发生了变化。
0 = 亮度变化，
1 = 自适应变化
...
How to perform Callbacks in Objective-C
.... Here's an example of a custom delegate implementation;
Header File:
@interface MyClass : NSObject {
id delegate;
}
- (void)setDelegate:(id)delegate;
- (void)doSomething;
@end
@interface NSObject(MyDelegateMethods)
- (void)myClassWillDoSomething:(MyClass *)myClass;
- (void)myClassDidDoSome...
Implement C# Generic Timeout
...this with the use of a wrapped delegate that passes out the thread to kill into a local variable in the method that created the lambda.
I submit this example, for your enjoyment. The method you are really interested in is CallWithTimeout. This will cancel the long running thread by aborting it, a...
Test if lists share any items in python
... ways to test if two lists a and b share any items. The first option is to convert both to sets and check their intersection, as such:
bool(set(a) & set(b))
Because sets are stored using a hash table in Python, searching them is O(1) (see here for more information about complexity of operator...
How do I create a self-signed certificate for code signing on Windows?
...issuer key and certificate (the -ic and -iv switches).
We'll also want to convert the certificate and key into a PFX file:
pvk2pfx -pvk MySPC.pvk -spc MySPC.cer -pfx MySPC.pfx
If you want to protect the PFX file, add the -po switch, otherwise PVK2PFX creates a PFX file with no passphrase.
Using...
How to translate between Windows and IANA time zones?
...erefore, I've encapsulated the complexity of the solution into the TimeZoneConverter micro-library, which can be installed from Nuget.
Using this library is simple. Here are some examples of conversion:
string tz = TZConvert.IanaToWindows("America/New_York");
// Result: "Eastern Standard Time"
st...
Virtual/pure virtual explained
...d Virtual() {
cout << "Derived Virtual called.\n";
}
};
int main() {
Base* bBase = new Base();
Base* bDerived = new Derived();
bBase->NonVirtual();
bBase->Virtual();
bDerived->NonVirtual();
bDerived->Virtual();
}
What is the output of this pr...
Mercurial: Can I rename a branch?
...ms where you can force the users to clone this is a good idea -- or use hg convert instead.
– hochl
Apr 3 '12 at 8:34
5
...
When is SQLiteOpenHelper onCreate() / onUpgrade() run?
....
SQLiteOpenHelper versions the database files. The version number is the int argument passed to the constructor. In the database file, the version number is stored in PRAGMA user_version.
onCreate() is only run when the database file did not exist and was just created. If onCreate() returns succe...