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Which parts of Real World Haskell are now obsolete or considered bad practice?
...dboxes
stack, a cross-platform program for developing Haskell projects
ghc-mod, a backend for vim, emacs, Sublime Text and other editors
New/missing language extensions and GHC changes
runtime type polymorphism (:i ($) has changed tremendously)
-XTypeInType
-XDataKinds
-XGADT
-XRankNTypes
-XGene...
Evaluating a mathematical expression in a string
... 2*3**(4^5) / (6 + -7)')
-5.0
"""
return eval_(ast.parse(expr, mode='eval').body)
def eval_(node):
if isinstance(node, ast.Num): # <number>
return node.n
elif isinstance(node, ast.BinOp): # <left> <operator> <right>
return operators[type(n...
How to correctly close a feature branch in Mercurial?
... Changeset A
I may have misunderstood what you wanted but please don't mod down, I took time reproducing your use case : )
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Private vs Protected - Visibility Good-Practice Concern [closed]
...ethods protected by default is a mitigation for one of the major issues in modern SW development: failure of imagination.
Rationalization #2: It keeps the public API / Javadocs clean
This one is more reasonable, and depending on the target audience it might even be the right thing to do, but it's wo...
What are the disadvantages of using persistent connection in PDO
...off. The connection is held open at the process manager level (Apache for mod_php, the current FastCGI process if you're using FastCGI, etc), not at the PHP level, and PHP doesn't tell the parent process to let the connection die when the script terminates abnormally.
If the dead script locked tab...
What is the difference between partitioning and bucketing a table in Hive ?
...ets, it is split into 3 files each for each product_id. It internally uses modulo operator to determine in which bucket each sales_id should be stored. For example, for the product_id='P1', the sales_id=1 will be stored in 000001_0 file (ie, 1%3=1), sales_id=2 will be stored in 000002_0 file (ie, 2%...
How Drupal works? [closed]
...ter system (MenuAPI) is used to match the requested path to a given plugin module. That plugin module is responsible for building the "primary content" of the page.
Once the primary page content is built, index.php calls theme('page', $content), which hands off the content to Drupal's theming/skinni...
Greedy vs. Reluctant vs. Possessive Quantifiers
...-- just grab the entire string at once.
– treat your mods well
Jan 31 '17 at 14:22
@phyzome I think it is ok now?
...
Java 8: performance of Streams vs Collections
...JMH.
Proper benchmarks:
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@BenchmarkMode(Mode.AverageTime)
@OperationsPerInvocation(StreamVsVanilla.N)
public class StreamVsVanilla {
public static final int N = 10000;
static List<Integer> sourceList = new ArrayList<>();
static {
...
Why does Unicorn need to be deployed together with Nginx?
...ocess the only static contents, combinely with the passenger or unicorn or mod_php ?
– loganathan
Jan 5 '12 at 9:20
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