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Signed to unsigned conversion in C - is it always safe?
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Short Answer
Your i will be converted to an unsigned integer by adding UINT_MAX + 1, then the addition will be carried out with the unsigned values, resulting in a large result (depending on the values of u and i).
Long Answer
According to the C99 Standard:
6.3.1.8 Usual arithmet...
How to get enum value by string or int
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@Johannes What do you mean by that? There is a generic way, refer my answer and others too.
– Sriram Sakthivel
May 9 '14 at 12:39
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target input by type and name (selector)
... however as a lot of the modern browsers implement the document.getElementsByClassName method which will be used to select elements and be much faster than selecting by the name attribute
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What is an application binary interface (ABI)?
...locating a function in a library file, the function is typically looked up by name. C++ allows you to overload function names, so name alone is not sufficient to identify a function. C++ compilers have their own ways of dealing with this internally, called name mangling. An ABI can define a stand...
How do you delete a column by name in data.table?
...repl() initally and it didn't work, as data.table columns can't be indexed by a logical vector. But I now realize that grepl() can be made to work by wrapping it with which(), so that it returns an integer vector.
– Josh O'Brien
Feb 8 '12 at 23:38
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Control the dashed border stroke length and distance between strokes
...n't know any fine tuning on it, you should work with images as recommended by Ham.
Reference: http://www.w3.org/TR/CSS2/box.html#border-style-properties
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How to get the sizes of the tables of a MySQL database?
...th) / 1024 / 1024), 2) `Size in MB`
FROM information_schema.TABLES
ORDER BY (data_length + index_length) DESC;
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List columns with indexes in PostgreSQL
...NY(ix.indkey)
and t.relkind = 'r'
and t.relname like 'test%'
order by
t.relname,
i.relname;
table_name | index_name | column_name
------------+------------+-------------
test | pk_test | a
test | pk_test | b
test2 | uk_test2 | b
test2 | uk_test2 ...
Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
...nt to make a request to example.com => you can.
Javascript is limited by the "same origin policy" for security reasons so that a malicious script cannot contact a remote server and send sensitive data.
jsonp is a different way to use javascript. You make a request and results are encapsulated ...
Access nested dictionary items via a list of keys?
...ists or a mix of dictionaries and lists, so the names should really be get_by_path() and set_by_path():
from functools import reduce # forward compatibility for Python 3
import operator
def get_by_path(root, items):
"""Access a nested object in root by item sequence."""
return reduce(opera...