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What's an object file in C?

...object file is. What's the real difference between any other compiled file and an object file? I would be glad if someone could explain in human language. ...
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Is there a faster/shorter way to initialize variables in a Rust struct?

...default. You could define a new type that implements a default value of -1 and use that instead of i64 in your struct. (I haven't tested that, but it should work). However, I'd suggest to slightly change your data structure and use Option<i64> instead of i64. I don't know the context of your ...
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What makes a keychain item unique (in iOS)?

...ws (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp): For a keychain item of class kSecClassGenericPassword, the primary key is the combination of kSecAttrAccount and kSecAttrService. For a keychain item of class kSecClassInternetPassword, the primary key is...
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How to check if a function exists on a SQL database

...need to find out if a function exists on a database, so that I can drop it and create it again. It should basically be something like the following code that I use for stored procedures: ...
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Android Reading from an Input stream efficiently

I am making an HTTP get request to a website for an android application I am making. 12 Answers ...
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?

What is the difference between the remap , noremap , nnoremap and vnoremap mapping commands in Vim? 3 Answers ...
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Unicode, UTF, ASCII, ANSI format differences

...fference between the Unicode , UTF8 , UTF7 , UTF16 , UTF32 , ASCII , and ANSI encodings? 2 Answers ...
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Django Admin - Disable the 'Add' action for a specific model

I have a django site with lots of models and forms. I have many custom forms and formsets and inlineformsets and custom validation and custom querysets. Hence the add model action depends on forms that need other things, and the 'add model' in the django admin throughs a 500 from a custom queryset. ...
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How to un-commit last un-pushed git commit without losing the changes

...e to dig it from reflog in case you screw up :) ) revert commit normally and push git checkout master git revert a8172f36 #hash of the commit you want to destroy # this introduces a new commit (say, it's hash is 86b48ba) which removes changes, introduced in the commit in question (but those chan...
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Why is a 3-way merge advantageous over a 2-way merge?

Wikipedia says a 3-way merge is less error-prone than a 2-way merge, and often times doesn't need user intervention. Why is this the case? ...