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Which parts of Real World Haskell are now obsolete or considered bad practice?
...read along while reading RWH is "What I Wish I Knew When Learning Haskell" by Stephen Diehl. It provides additional insight, but be aware, some sections aren't really newcomer friendly.
General remarks
Read the comments. They usually contain information whether the given paragraph/section is stil...
How to float 3 divs side by side using CSS?
I know how to make 2 divs float side by side, simply float one to the left and the other to the right.
15 Answers
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Using parameters in batch files at Windows command line
...ou can use
ECHO %~dp0
You can view the full range of these capabilities by typing CALL /? in the command prompt.
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Knight's Shortest Path on Chessboard
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What do you mean by unavailable move? A knight can reach any square right!?
– everlasto
Jan 21 '17 at 16:42
add a com...
What does Docker add to lxc-tools (the userspace LXC tools)?
If you take a look at Docker's features, most of them are already provided by LXC.
5 Answers
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Difference between a “coroutine” and a “thread”?
... to switch coroutines; in other words, tasks are cooperatively multitasked by pausing and resuming functions at set points, typically (but not necessarily) within a single thread.
Long answer: In contrast to threads, which are pre-emptively scheduled by the operating system, coroutine switches are ...
Deleting an object in java?
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You should remove the references to it by assigning null or leaving the block where it was declared. After that, it will be automatically deleted by the garbage collector (not immediately, but eventually).
Example 1:
Object a = new Object();
a = null; // after t...
Wolfram's Rule 34 in XKCD [closed]
...CA:
http://lucasoman.com/files/projects/caeditor/caed.php
As you can see by playing with it, you can randomly toggle any block, which alters every
block below it according to the rules. It's kind of a neat way to see the chain reaction
caused by aberrations in the process.
Hope this helps.
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How to get the client IP address in PHP [duplicate]
...WARDED_FOR'], but this value is easily spoofed. For example, it can be set by someone without a proxy, or the IP can be an internal IP from the LAN behind the proxy.
This means that if you are going to save the $_SERVER['HTTP_X_FORWARDED_FOR'], make sure you also save the $_SERVER['REMOTE_ADDR'] va...
Can you help me understand this? “Common REST Mistakes: Sessions are irrelevant”
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To be RESTful, each HTTP request should carry enough information by itself for its recipient to process it to be in complete harmony with the stateless nature of HTTP.
Okay, I get that HTTP authentication
is done automatically on every message
- but how?
Yes, the username and pas...