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How do I clone a subdirectory only of a Git repository?
I have my Git repository which, at the root, has two sub directories:
18 Answers
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Usages of Null / Nothing / Unit in Scala
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You only use Nothing if the method never returns (meaning it cannot complete normally by returning, it could throw an exception). Nothing is never instantiated and is there for the benefit of the type system (to quote James Iry: "The reason Scala has a bottom type is tied to its abi...
Password hint font in Android
When an EditText is in password mode, it seems that the hint is shown in a different font (courrier?). How can I avoid this? I would like the hint to appear in the same font that when the EditText is not in password mode.
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What are the differences between ArrayList and Vector?
... we must externally synchronize the block of code which modifies the list either structurally or simply modifies an element. Structural modification means addition or deletion of element(s) from the list. Setting the value of an existing element is not a structural modification.
Collections.synchro...
How should I choose an authentication library for CodeIgniter? [closed]
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Update (May 14, 2010):
It turns out, the russian developer Ilya Konyukhov picked up the gauntlet after reading this and created a new auth library for CI based on DX Auth, following the recommendations and requirements below.
And the resulting Tank...
How to use java.net.URLConnection to fire and handle HTTP requests?
... about pretty often here, and the Oracle tutorial is too concise about it.
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Padding is invalid and cannot be removed?
...lation to my program but can't seem to find a solution or the reason why it's happening to my specific program. I have been using the example provided my msdn for encrypting and decrypting an XmlDocument using the Rijndael algorithm. The encryption works fine but when I try to decrypt, I get the f...
mysql - how many columns is too many?
...p a table that might have upwards of 70 columns. I'm now thinking about splitting it up as some of the data in the columns won't be needed every time the table is accessed. Then again, if I do this I'm left with having to use joins.
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Is it possible to use JavaScript to change the meta-tags of the page?
...f I put a div in the head and display:none, than use JavaScript to display it, will this work?
17 Answers
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Deleting a resource using http DELETE
...uld happen if two users did a DELETE on the same resource simultaneously. It makes sense for the second request to get a 404. The same should be true if one user makes two requests.
I am guessing that having DELETE return two different responses does not feel idempotent to you. I find it useful ...