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How to wait for several Futures?
...]):Future[List[Any]] = {
val fut = if (futures.size == 1) futures.head._2
else Future.firstCompletedOf(futures.values)
fut onComplete{
case Success(value) if (futures.size == 1)=>
prom.success(value :: values)
case Success(value) =>
processFutures(fut...
Name node is in safe mode. Not able to leave
...o in the start-up phase. Read more here; hadoop.apache.org/docs/stable/hdfs_user_guide.html#Safemode
– Amar
Apr 4 '13 at 11:30
2
...
Python constructor and default value [duplicate]
...don't generally do what you want. Instead, try this:
class Node:
def __init__(self, wordList=None, adjacencyList=None):
if wordList is None:
self.wordList = []
else:
self.wordList = wordList
if adjacencyList is None:
self.adjacencyL...
How to invoke the super constructor in Python?
...on-3.x the process has been simplified:
Python-2.x
class A(object):
def __init__(self):
print "world"
class B(A):
def __init__(self):
print "hello"
super(B, self).__init__()
Python-3.x
class A(object):
def __init__(self):
print("world")
class B(A):
def __init__(self):
print...
Pointers in Python?
...putations, possibilities would include:
class Form(object):
...
def __getattr__(self, name):
return self.data[name]
and
class Form(object):
...
@property
def data(self):
return self.__dict__
The presence of .value suggests picking the first form, plus a kind-of-use...
mongodb/mongoose findMany - find all documents with IDs listed in array
I have an array of _ids and I want to get all docs accordingly, what's the best way to do it ?
5 Answers
...
Merge PDF files
...pt ImportError:
from pyPdf import PdfFileReader, PdfFileWriter
def pdf_cat(input_files, output_stream):
input_streams = []
try:
# First open all the files, then produce the output file, and
# finally close the input files. This is necessary because
# the data isn...
Circular list iterator in Python
...
Or you can do like this:
conn = ['a', 'b', 'c', 'd', 'e', 'f']
conn_len = len(conn)
index = 0
while True:
print(conn[index])
index = (index + 1) % conn_len
prints a b c d e f a b c... forever
share
...
How can I add reflection to a C++ application?
...re are some handy macros to help with typed expressions:
#define REM(...) __VA_ARGS__
#define EAT(...)
// Retrieve the type
#define TYPEOF(x) DETAIL_TYPEOF(DETAIL_TYPEOF_PROBE x,)
#define DETAIL_TYPEOF(...) DETAIL_TYPEOF_HEAD(__VA_ARGS__)
#define DETAIL_TYPEOF_HEAD(x, ...) REM x
#define DETAIL_TYP...
Remove HTML Tags in Javascript with Regex
... +1 thanks. this one liner woked perfect for my needs. console.log( my_html.replace(/(&nbsp;|<([^>]+)>)/ig, "") );
– DaveAlger
May 3 '15 at 0:29
add a commen...