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Java code for getting current time [duplicate]

... Both new java.util.Date() and System.currentTimeMillis() will give you current system time. share | improve this answer | f...
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Clearing a string buffer/builder after loop

... Ah, I think sb.setLength(0); is cleaner and more efficient than declaring it inside the loop. Your solution goes against the performance benefit of using StringBuffer... – Jon Feb 11 '10 at 5:38 ...
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Java Byte Array to String to Byte Array

I'm trying to understand a byte[] to string, string representation of byte[] to byte[] conversion... I convert my byte[] to a string to send, I then expect my web service (written in python) to echo the data straight back to the client. ...
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ASP.NET MVC: Is Controller created for every request?

...created for every HTTP request, or are they created at application startup and reused throughout requests? 4 Answers ...
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Google Developer Tools “Network” Tab clears after redirect

Google Developer Tools "Network" Tab clears after redirect to another page and i want to know if there is any way to keep all request? ...
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getenv() vs. $_ENV in PHP

What is the difference between getenv() and $_ENV ? 6 Answers 6 ...
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How to remove frame from matplotlib (pyplot.figure vs matplotlib.figure ) (frameon=False Problematic

... fig.savefig('blah.png', transparent=True)). However, to remove the axes' and figure's background on-screen, you'll need to set both ax.patch and fig.patch to be invisible. E.g. import matplotlib.pyplot as plt fig, ax = plt.subplots() ax.plot(range(10)) for item in [fig, ax]: item.patch.s...
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What's this =! operator? [duplicate]

... That's two operators, = and !, not one. It might be an obfuscated way of writing a = !b; if (a) { // whatever } setting a to the logical inverse of b, and testing whether the result is true (or, equivalently, whether b was false). Or it migh...
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How to copy text to clipboard/pasteboard with Swift

...nt is plain text, you can just use the string property. It's both readable and writable: // write to clipboard UIPasteboard.general.string = "Hello world" // read from clipboard let content = UIPasteboard.general.string (When reading from the clipboard, the UIPasteboard documentation also sugges...
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Android screen size HDPI, LDPI, MDPI [duplicate]

... that I need fit in all screen sizes. I have three folders, hdpi , ldpi and mdpi for drawables, but in the emulator there isn't any referense to what resolution hdpi is and what mdpi and ldpi are. ...