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How do I write a custom init for a UIView subclass in Swift?
Say I want to init a UIView subclass with a String and an Int .
5 Answers
5
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Xcode debugging - displaying images
...about external tools.
What i'm doing to test images while debugging is to convert that raw data into an image-file format, like .png, and then saving it somewhere, and then i'm opening the image with any image viewing tool.
I have a piece of code for that purpose, which look basically like that:
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Open application after clicking on Notification
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See below code. I am using that and it is opening my HomeActivity.
NotificationManager notificationManager = (NotificationManager) context
.getSystemService(Context.NOTIFICATION_SERVICE);
Notification notification = new Notification(ico...
“unmappable character for encoding” warning in Java
... as EUC-JP and UTF-8.. If -encoding is not specified, the platform default converter is used. (DOC)
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Arduino101（Genuino 101）&App Inventor – RGB LED控制 - 创客硬件开...
...Read Service
// BLE LED Switch Characteristic - custom 128-bit UUID, read and writable by central
BLEUnsignedIntCharacteristic LEDStatus("19B10011-E8F2-537E-4F6C-D104768A1214", BLERead | BLEWrite );
int incom = 0;
int r, g, b ;
void setup() {
Serial.begin(9600);
&...
Android Notification Sound
I've used the newer NotificationCompat builder and I can't get the notification to make a sound. It will vibrate and flash the light. The android documentation says to set a style which I've done with:
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How to add an object to an array
...* loop array */
for (var i in aData) {
alert(aData[i].fullname());
}
/* convert array of object into string json */
var jsonString = JSON.stringify(aData);
document.write(jsonString);
Push object into array
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How do you show animated GIFs on a Windows Form (c#)
... is a Windows native control just to display them. There are even tools to convert animated Gifs to AVI (and vice-versa).
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Predicate in Java
... someone guide me to any tutorial or conceptual explanation of Predicate and its implementation in Java?
4 Answers
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How do I check if a column is empty or null in MySQL?
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the NULLIF checks fieldname for the empty value and would convert to NULL if it was empty. The ISNULL returns 1 (true) if the NULLIF succesfully changed an empty field to NULL or if it was already NULL.... try for your self on a null and empty field in a table with the two funct...