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What is the difference between currying and partial application?
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Partial application transforms a function from n-ary to (x - n)-ary, currying from n-ary to n * 1-ary. A partially applied function has a reduced scope (of application), that is, Add7 is less expressive than Add. A curried function on the other hand is as expressive ...
Creating a ZIP Archive in Memory Using System.IO.Compression
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Can this be used to read files from a ziparchive that was streamed ? For example a file streamed from the web ?
– Kraang Prime
Jan 4 '17 at 21:45
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How can I have linked dependencies in a git repo?
...ub.com/example/some_lib.git lib/some_lib
Note that this needs to be done from the top-level directory in your repository. So don't cd into the directory where you're putting it first.
After you add a submodule, or whenever someone does a fresh checkout of your repository, you'll need to do:
git ...
When to use enumerateObjectsUsingBlock vs. for
... support to implement enumeration). Fast enumeration requires translation from an internal representation to the representation for fast enumeration. There is overhead therein. Block-based enumeration allows the collection class to enumerate contents as quickly as the fastest traversal of the nat...
How do I merge a git tag onto a branch
...Remember before you merge you need to update the tag, it's quite different from branches (git pull origin tag_name won't update your local tags). Thus, you need the following command:
git fetch --tags origin
Then you can perform git merge tag_name to merge the tag onto a branch.
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Objective-C: Reading a file line by line
...:-)
Edit: Turns out this request already exists. There's a Radar dating from 2006 for this (rdar://4742914 for Apple-internal people).
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dpi value of default “large”, “medium” and “small” text views android
...;/item>
</style>
TextAppearance.Large means style is inheriting from TextAppearance style, you have to trace it also if you want to see full definition of a style.
Link: http://developer.android.com/design/style/typography.html
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Socket.IO Authentication
...this key in a cookie.
On socket connect (or anytime later) fetch this key from the cookie and send it back to the server. Fetch the session information in redis using this key. (GET key)
Eg:
Server side (with redis as session store):
req.session.regenerate...
res.send({rediskey: req.sessionID});...
Different dependencies for different build profiles
... database than that of the final deployment. Or dependencies may be pulled from different repositories based upon the JDK version used.
(Emphasis is mine)
Just put the dependency for the release profile inside the profile declaration itself and do the same for debug.
<profiles>
<pro...
How do ports work with IPv6?
Conventional IPv4 dotted quad notation separates the address from the port with a colon, as in this example of a webserver on the loopback interface:
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