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Android Studio: Android Manifest doesn't exists or has incorrect root tag
I got this error on Android Studio (AS):
11 Answers
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Comparing date part only without comparing time in JavaScript
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I'm still learning JavaScript, and the only way that I've found which works for me to compare two dates without the time is to use the setHours method of the Date object and set the hours, minutes, seconds and milliseconds to zero. Then compare the two dat...
Microsecond timing in JavaScript
...er of microseconds in the fractional (e.g. a value of 1000.123 is 1 second and 123 microseconds).
now() is monotonically increasing. This is important as Date.getTime() can possibly jump forward or even backward on subsequent calls. Notably, if the OS's system time is updated (e.g. atomic clock sy...
Max length UITextField
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With Swift 5 and iOS 12, try the following implementation of textField(_:shouldChangeCharactersIn:replacementString:) method that is part of the UITextFieldDelegate protocol:
func textField(_ textField: UITextField, shouldChangeCharacter...
Using custom std::set comparator
... of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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How to convert CFStringRef to NSString?
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NSString and CFStringRef are "Toll free bridged", meaning that you can simply typecast between them.
For example:
CFStringRef aCFString = (CFStringRef)aNSString;
works perfectly and transparently. Likewise:
NSString *aNSString = ...
How to set delay in android?
I want to set a delay between the command between changing background. I tried using a thread timer and tried using run and catch. But it isn't working. I tried this
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Detect Android phone via Javascript / jQuery
How would i detect that the device in use is an Android for a mobile website?
5 Answers
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通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
通过 ulimit 改善系统性能本文介绍了 ulimit 内键指令的主要功能以及用于改善系统性能的 ulimit 使用方法。通过这篇文章，读者不仅可以了解 ulimit 所起的作用，并且可以学会如何更好地通过 ulimit 限制资源的使用来改善系统性能...
Format Float to n decimal places
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You may also pass the float value, and use:
String.format("%.2f", floatValue);
Documentation
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