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Why do x86-64 systems have only a 48 bit virtual address space?

... Because that's all that's needed. 48 bits give you an address space of 256 terabyte. That's a lot. You're not going to see a system which needs more than that any time soon. So CPU manufacturers took a shortcut. They use an instruction set which allows a full 64-bit address space, but current C...
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How to save MySQL query output to excel or .txt file? [duplicate]

... down this answer. – Kemin Zhou Aug 25 '17 at 0:55  |  show 1 more comment ...
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How to obtain the start time and end time of a day?

... to use LocalDateTime – user924 Feb 25 at 8:05 add a comment  |  ...
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Signing a Windows EXE file

... a certificate file signtool sign /tr http://timestamp.digicert.com /td sha256 /fd sha256 /f "c:\path\to\mycert.pfx" /p pfxpassword "c:\path\to\file.exe" In this example we are using the certificate c:\path\to\mycert.pfx with the password pfxpassword to sign the file c:\path\to\file.exe Test You...
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Implicit type conversion rules in C++ operators

... 225 In C++ operators (for POD types) always act on objects of the same type. Thus if they are not t...
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How to generate a git patch for a specific commit?

... manojldsmanojlds 248k5454 gold badges425425 silver badges395395 bronze badges 220 ...
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Find TODO tags in Eclipse

...em. – EM-Creations Oct 11 '17 at 15:25 add a comment  |  ...
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iOS 7 TableView like in Settings App on iPad

...hCreateMutable() var bounds: CGRect = CGRectInset(cell.bounds, 25, 0) var addLine: Bool = false if (indexPath.row == 0 && indexPath.row == tableView.numberOfRowsInSection(indexPath.section)-1) { CGPathAddRoundedRect(pathRef, nil, bounds, c...
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How to turn on front flash light programmatically in Android?

...ned on – Greg Ennis Aug 26 '14 at 4:25 1 The most helpful part for me was you need to declare the...
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Is there a “theirs” version of “git merge -s ours”?

... | edited Jul 25 '14 at 3:22 user456814 answered Feb 11 '11 at 13:42 ...