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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
If you're going to build, say, a directory structure where a directory is named for a commit in a Git repository, and you want it to be short enough to make your eyes not bleed, but long enough that the chance of it colliding would be negligible, how much of the SHA substring is generally required?
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Batch file to copy directories recursively
Is there a way to copy directories recursively inside a .bat file?
If so, an example would be great. thanks.
3 Answers
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Sorting a vector of custom objects
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and another question/note: if one would like to have multiple sorting methods (for different attributes) in a class the way of overloading the < operator is probably not an option, right?
– kluka
May 15 '13 at ...
Copy files without overwrite
...mmand line to say "copy all the files from directory A to directory B, but if the file already exists in directory B, don't overwrite it, no matter which file is newer, and don't prompt me."
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How do I set a column value to NULL in SQL Server Management Studio?
...ld set the entire column to null as the Question Title asks.
To set a specific row on a specific column to null use:
Update myTable set MyColumn = NULL where Field = Condition.
This would set a specific cell to null as the inner question asks.
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Best way to convert strings to symbols in hash
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Ah, sorry for being unclear - inject doesn't modify the caller. You need to do my_hash = my_hash.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
– Sarah Mei
Apr 29 '09 at 19:06
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Change the current directory from a Bash script
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What's the big difference between defining a function and creating an alias?
– HelloGoodbye
Jun 17 '15 at 20:46
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How do I convert from stringstream to string in C++?
...derlying string object.
1) Returns a copy of the underlying string as if by calling rdbuf()->str().
2) Replaces the contents of the underlying string as if by calling rdbuf()->str(new_str)...
Notes
The copy of the underlying string returned by str is a temporary object that...
Difference between make and build in Android Studio
...ies and making big changes to the project you should use Rebuild Project.
If you look at the menu, you'll see that Make Project and Compile have keyboard shortcuts, that suggests that they are often used. Others are seldom used.
It is the same as IntelliJ Idea.
Compile All the source files in...
What does the comma operator , do?
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then if I write i = (5,4,3,2,1,0) then ideally it should return 0, correct? but i is being assigned a value of 5? Can you please help me understand where am I going wrong?
– Jayesh
Nov 13 '10...