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Bash: Copy named files recursively, preserving folder structure
...rs' (spaces, most likely) and something will happen. Not that I'm speaking from personal experience, but you might try to back up a bunch of files and only end up with half of them backed up due to spaces being in filenames. (Okay, I'm speaking from personal experience.)
– bbal...
C# HttpClient 4.5 multipart/form-data upload
... (e.g. a JPG) and additional API parameters. The file is directly uploaded from local disk via FileStream.
See here for the full example including additional API specific logic.
public static async Task UploadFileAsync(string token, string path, string channels)
{
// we need to send a request ...
What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do
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From the community documentation:
hibernate.hbm2ddl.auto Automatically validates or exports schema DDL to the database when the SessionFactory is created. With create-drop, the database schema will be dropped when the Ses...
How do I find the next commit in git? (child/children of ref)
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To list all the commits, starting from the current one, and then its child, and so on - basically standard git log, but going the other way in time, use something like
git log --reverse --ancestry-path 894e8b4e93d8f3^..master
where 894e8b4e93d8f3 is the fi...
Why use a prime number in hashCode?
...wer of two, which permits for bitwise optimization
Here's the full quote, from Item 9: Always override hashCode when you override equals:
The value 31 was chosen because it's an odd prime. If it were even and multiplication overflowed, information would be lost, as multiplication by 2 is equivalen...
examining history of deleted file
... the current location. You can then add it or just inspect it or whatever from that point.
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What is the difference between a mutable and immutable string in C#?
...to make a copy of it if you want to be absolutely sure it won't change out from under you. This is why mutable objects are dangerous to use as keys into any form of Dictionary or set- the objects themselves could change, and the data structure would have no way of knowing, leading to corrupt data th...
What does “O(1) access time” mean?
...gardless of their size, and linked lists, which must be traversed in order from the beginning to access a given item.
The other operation usually discussed is insert. A collection can be O(1) for access but O(n) for insert. In fact an array has exactly this behavior, because to insert an item in ...
How to escape special characters in building a JSON string?
.... If you simply use language or library functions to convert things to and from JSON, you'll never even need to know JSON's escaping rules. This is what the misguided question asker here ought to have done.
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Permanently add a directory to PYTHONPATH?
...new directory to the environment variable PYTHONPATH, separated by a colon from previous contents thereof. In any form of Unix, you can do that in a startup script appropriate to whatever shell you're using (.profile or whatever, depending on your favorite shell) with a command which, again, depend...