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Handling specific errors in JavaScript (think exceptions)
...they also explain how to make it conform, though it's not as succint. Basically same as above, but using instanceOf. Check here
– Bart
Oct 20 '15 at 8:58
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Convenient C++ struct initialisation
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Since style A is not allowed in C++ and you don't want style B then how about using style BX:
FooBar fb = { /*.foo=*/ 12, /*.bar=*/ 3.4 }; // :)
At least help at some extent.
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Ruby capitalize every word first letter
... @macsplean the &:method syntax in map is a concise way to call a method on each item in the array. You can then call join to turn that array into a string. The * ' ' is an alternative way to call join. You can think of it as multiplying the items in the array together to create a str...
Convert stdClass object to array in PHP
...ncode($object), true);
Or if you prefer, you can traverse the object manually, too:
foreach ($object as $value)
$array[] = $value->post_id;
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What's the difference between Spring Data's MongoTemplate and MongoRepository?
...goRepository but struggled with complex queries to find examples or to actually understand the Syntax.
3 Answers
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Applying a function to every row of a table using dplyr?
...it reflects the fact that when you're doing row wise operations you're actually working with tuples from a list of vectors (the columns in a dataframe).
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Django DB Settings 'Improperly Configured' Error
...--settings=mysite.settings (or whatever settings module you use)
Set DJANGO_SETTINGS_MODULE environment variable in your OS to mysite.settings
(This is removed in Django 1.6) Use setup_environ in the python interpreter:
from django.core.management import setup_environ
from mysite import settings
s...
How to get the Full file path from URI
...se in oreo we will not get the id but the entire path in data.getData() so all u need to do is create a file from uri and get its path from getPath() and split it.below is the working code:-
Uri uri = data.getData();
File file = new File(uri.getPath());//create path from uri
final String[] split =...
Forward declaration of a typedef in C++
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+1 in the end because while you technically can't "forward-typedef" (i.e. you can't write "typedef A;"), you can almost certainly accomplish what the OP wants to accomplish using your trick above.
– j_random_hacker
Apr 30 '09...
In Python, using argparse, allow only positive integers
...still need to define an actual method that decides this for you:
def check_positive(value):
ivalue = int(value)
if ivalue <= 0:
raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value)
return ivalue
parser = argparse.ArgumentParser(...)
parser.add_argu...