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Printing hexadecimal characters in C

... Maybe I can help. This is (technically) undefined behavior because specifier x requires an unsigned type, but ch is promoted to int. The correct code would simply cast ch to unsigned, or use a cast to unsigned char and the specifier: hhx. – 2501 Apr 28 '16 ...
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Is it OK to use Gson instance as a static field in a model bean (reuse)?

...o me. There is nothing in the GSON instance that makes it related to a specific instance of LoginSession, so it should be static. GSON instances should be thread-safe, and there was a bug regarding that which was fixed. sha...
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How to exclude certain messages by TAG name using Android adb logcat?

... If you are using adb logcat you could pipe it through grep and use it's inverted matching: From the grep manpage: v, --invert-match Invert the sense of matching, to select non-matching lines. For example: $a...
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What does “@@ -1 +1 @@” mean in Git's diff output?

... It's a unified diff hunk identifier. This is documented by GNU Diffutils. The unified output format starts with a two-line header, which looks like this: --- from-file from-file-modification-time +++ to-file to-file-modification...
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Selectively revert or checkout changes to a file in Git?

...wouldn't have to add ./ before any filename that starts with a minus sign, if the filename comes after --. – zrajm Jan 29 '14 at 13:12 ...
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Why does Typescript use the keyword “export” to make classes and interfaces public?

...es from "export/private/protected" being a poorly matched set of access modifiers, I believe there is a subtle difference between the two that explains this. In TypeScript, marking a class member as public or private has no effect on the generated JavaScript. It is simply a design / compile time to...
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ADO.NET DataRow - check for column existence

... DataTables have that schema info, so check if the Row's Table's Columns collection contains the field. share | improve this answer | follow ...
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Object of custom type as dictionary key

... hash(self.name) looks nicer than self.name.__hash__(), and if you do and you can do hash((x, y)) to avoid XORing yourself. – Rosh Oxymoron Feb 4 '11 at 19:02 5 ...
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Sort a text file by line length including spaces

...tching length - what to do in the case of a tie: The question did not specify whether or not further sorting was wanted for lines of matching length. I've assumed that this is unwanted and suggested the use of -s (--stable) to prevent such lines being sorted against each other, and keep them in th...
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Difference between filter and filter_by in SQLAlchemy

Could anyone explain the difference between filter and filter_by functions in SQLAlchemy? Which one should I be using? ...