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What happens to git commits created in a detached HEAD state?
... state with
git reflog
Then execute, with all the commit hashes ordered from oldest to most recent:
git cherry-pick <hash1> <hash2> <hash3> ...
For example if I had only one, given in the "first 7 characters" short hash format:
git cherry-pick a21d053
This will create new...
sqlalchemy flush() and get inserted id?
... You just saved my ass. I don't think I will ever use the ORM again coming from Django. The flush() command does NOT work as documented IMHO.
– Marc
May 8 '16 at 21:20
2
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Equivalent of Math.Min & Math.Max for Dates?
...what the values contain, compare them and then create a new DateTime value from the result:
new DateTime(Math.Min(Date1.Ticks, Date2.Ticks))
(Note that the DateTime structure also contains a Kind property, that is not retained in the new value. This is normally not a problem; if you compare DateT...
When to use an interface instead of an abstract class and vice versa?
...think this was the "lightbulb" moment for me - think about interfaces less from the author's perpective and more from that of any coder coming later in the chain who is adding implementation to a project, or extending an API.
...
size_t vs. uintptr_t
...any pointer type."
This is actually a fallacy (a misconception resulting from incorrect reasoning)(a). You may think the latter follows from the former but that's not actually the case.
Pointers and array indexes are not the same thing. It's quite plausible to envisage a conforming implementation...
TypeError: sequence item 0: expected string, int found
I am attempting to insert data from a dictionary into a database. I want to iterate over the values and format them accordingly, depending on the data type. Here is a snippet of the code I am using:
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Python argparse ignore unrecognised arguments
...ent and testing code that I want to eventually migrate to a script invoked from a command line)
– gumption
Jan 28 '15 at 16:48
1
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Make UINavigationBar transparent
...
to achieve this in Swift from within a ViewController, do it like this: self.navigationController?.navigationBar.setBackgroundImage(UIImage(), forBarMetrics: UIBarMetrics.Default) self.navigationController?.navigationBar.shadowImage = ...
Vim: Move cursor to its last position
...) any motion command other than the i j k l movements. (The complete list, from the help docs, is "'"', "`", "G", "/", "?", n", "N", "%", "(", ")", "[[", "]]", "{", "}", ":s", ":tag", "L", "M", H" and the commands that start editing a new file.) So no, this won't "undo" 2j or similar, but it will wo...
How do I show the value of a #define at compile-time?
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The preprocessor understands quoted strings and handles them differently from normal text. String concatenation is an example of this special treatment. The message pragma requires an argument that is a quoted string. When there is more than one component to the argument then they must all be stri...