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unsigned APK can not be installed
...gned application on a phone. You can only use it to test with an emulator. If you still want to go ahead, you can try self-signing the application.
Also, since you are installing the application from an SD card, I hope you have the necessary permissions set. Do go through stackoverflow.com and loo...
How to create a colored 1x1 UIImage on the iPhone dynamically?
... can use CGContextSetFillColorWithColor and CGContextFillRect for this:
Swift
extension UIImage {
class func image(with color: UIColor) -> UIImage {
let rect = CGRectMake(0.0, 0.0, 1.0, 1.0)
UIGraphicsBeginImageContext(rect.size)
let context = UIGraphicsGetCurrentCon...
Thread Safety in Python's dictionary
.../docs.python.org/glossary.html#term-global-interpreter-lock
This simplifies the CPython implementation by making the object model (including critical built-in types such as dict) implicitly safe against concurrent access.
...
How to Execute SQL Server Stored Procedure in SQL Developer?
...
What are your parameters if they are varchar then only you need the quotes...other than that can't think of anything...you could try this just run only this in a new windows- EXEC proc_name and see if it asks you for the second parameter...then at l...
slf4j: how to log formatted message, object array, exception
...
As of SLF4J 1.6.0, in the presence of multiple parameters and if the last argument in a logging statement is an exception, then SLF4J will presume that the user wants the last argument to be treated as an exception and not a simple parameter. See also the relevant FAQ entry.
So, writin...
Should I store entire objects, or pointers to objects in containers?
...
Since people are chiming in on the efficency of using pointers.
If you're considering using a std::vector and if updates are few and you often iterate over your collection and it's a non polymorphic type storing object "copies" will be more efficent since you'll get better locality of ref...
Clone Object without reference javascript [duplicate]
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If you use an = statement to assign a value to a var with an object on the right side, javascript will not copy but reference the object.
You can use lodash's clone method
var obj = {a: 25, b: 50, c: 75};
var A = _.clone(ob...
Maximum length of the textual representation of an IPv6 address?
...000
8 * 4 + 7 = 39
8 groups of 4 digits with 7 : between them.
But if you have an IPv4-mapped IPv6 address, the last two groups can be written in base 10 separated by ., eg. [::ffff:192.168.100.228]. Written out fully:
0000:0000:0000:0000:0000:ffff:192.168.100.228
(6 * 4 + 5) + 1 + (4 ...
How can I create a UILabel with strikethrough text?
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SWIFT 4 UPDATE CODE
let attributeString: NSMutableAttributedString = NSMutableAttributedString(string: "Your Text")
attributeString.addAttribute(NSAttributedString.Key.strikethroughStyle, value: 2, range: NSMakeRange(0, a...
What are markers in Java Logging frameworks and what is a reason to use them?
...configured to send an email whenever a logging event is marked with the NOTIFY_ADMIN marker regardless of the log level. See marker-based triggering in the logback documentation. You may also combine log levels and markers for triggering.
Filtering: Markers are very useful for making certain valuabl...