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How can I output leading zeros in Ruby?
...counter is known (e.g., n = 3 for counters 1..876), you can do
str = "file_" + i.to_s.rjust(n, "0")
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Request is not available in this context
...ted mode: Request is not available in this context exception in Application_Start:
The “Request is not available in this
context” exception is one of the more
common errors you may receive on when
moving ASP.NET applications to
Integrated mode on IIS 7.0. This
exception happens in...
Stack smashing detected
... errors, since it can't add red zones there
– toasted_flakes
Jan 7 '14 at 10:35
8
This answer is ...
How to use the pass statement?
...that you don't want to implement, yet.
class MyClass(object):
def meth_a(self):
pass
def meth_b(self):
print "I'm meth_b"
If you were to leave out the pass, the code wouldn't run.
You would then get an:
IndentationError: expected an indented block
To summarize, the pa...
How can I maintain fragment state when added to the back stack?
...sion 1. Use version 2)
public class FragmentA extends Fragment {
View _rootView;
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
if (_rootView == null) {
// Inflate the layout for this fragment
_...
How to implement an STL-style iterator and avoid common pitfalls?
... void swap(iterator& lhs, iterator& rhs); //C++11 I think
};
input_iterator : public virtual iterator {
iterator operator++(int); //postfix increment
value_type operator*() const;
pointer operator->() const;
friend bool operator==(const iterator&, const iterator&)...
How to determine whether code is running in DEBUG / RELEASE build?
...n though. You may see DEBUG changed to another variable name such as DEBUG_MODE.
then conditionally code for DEBUG in your source files
#ifdef DEBUG
// Something to log your sensitive data here
#else
//
#endif
sha...
How to solve Operator '!=' cannot be applied to operands of type 'T' and 'T' [duplicate]
...
public class Test<T>
{
public T Value
{
get => _Value;
set
{
// operator== is undefined for generic T; EqualityComparer solves this
if (!EqualityComparer<T>.Default.Equals(_Value, value))
{
_Valu...
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...
Is inject the same thing as reduce in ruby?
... If you want to create your own aliases, you may be interested in alias_method.
– Nick McCurdy
Oct 25 '13 at 2:16
...