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How to assign a Git SHA1's to a file without Git?

...mpute it yourself without having Git installed. Note that "\0" is the NULL-byte, not a two-character string. For example, the hash of an empty file: sha1("blob 0\0") = "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391" $ touch empty $ git hash-object empty e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 Anoth...
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Check if list of objects contain an object with a certain attribute value

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What is the equivalent of “none” in django templates?

...', "", """""") and empty lists/tuples all evaluate to False when evaluated by if, so you can easily do {% if profile.user.first_name == None %} {% if not profile.user.first_name %} A hint: @fabiocerqueira is right, leave logic to models, limit templates to be the only presentation layer and calcu...
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What does the -ObjC linker flag do?

... Great! Thank you. Is this caused by the fact that we are using GCC 4.2 as a compiler? Would using LLVM GCC 4.2 or LLVM Compiler 2.0 solve the problem? Or am I mixing up stuff that shouldn't be mixed? – bsarrazin Jul 8...
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How do I navigate in the results of Diff

...it should show you the command shortcuts for doing page up/page down etc. By default git looks at the $GIT_PAGER, then $PAGER environment variable to determine the program to be used for showing you the output of diff, log, show etc. On new (linux) systems the default $PAGER used (even when it is ...
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Python Threading String Arguments

... Second, A quirk in Python about tuple: Empty tuples are constructed by an empty pair of parentheses; a tuple with one item is constructed by following a value with a comma (it is not sufficient to enclose a single value in parentheses). On the other hand, a string is a sequence of character...
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How do I make an HTML text box show a hint when empty?

...ay the text normally (black, non-italics). This will help me avoid clutter by removing the label. 21 Answers ...
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powershell 2.0 try catch how to access the exception

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How can I force Powershell to return an array when a call only returns one object?

...time too, now I can't replicate it. At any rate I solved my recent problem by using Return ,$out which seems to always work. If I run into the problem again I'll post an example. – Deadly-Bagel Jun 27 '17 at 8:29 ...
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SQL join on multiple columns in same tables

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