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Google Maps API v3: How to remove all markers?
In Google Maps API v2, if I wanted to remove all the map markers, I could simply do:
31 Answers
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printf format specifiers for uint32_t and size_t
...ng size_t to be the same as unsigned long (possibly 64 bits) when it's actually an unsigned int (32 bits). Try using %zu in both cases.
I'm not entirely certain though.
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Adding a Google Plus (one or share) link to an email newsletter
...g for me, But i need to add the title with this url, I tried and the query string like "&title-mytext" like that, But it does not affect with the share comments, what i do for this?... can u advice me!
– VinothPHP
Feb 3 '12 at 7:17
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What is the definition of “interface” in object oriented programming
... one of the more overloaded and confusing terms in development.
It is actually a concept of abstraction and encapsulation. For a given "box", it declares the "inputs" and "outputs" of that box. In the world of software, that usually means the operations that can be invoked on the box (along with ar...
What exactly is a reentrant function?
... (because of performance issues), and thus, if a user want to share a std::string between two threads, the user must protect its access with concurrency primitives;
7.5. Make sure your thread-safe code is recursive-safe
This means using recursive mutexes if you believe the same resource can be use...
What is a regular expression which will match a valid domain name without a subdomain?
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This should match all cases I think: ^([a-z0-9])(([a-z0-9-]{1,61})?[a-z0-9]{1})?(\.[a-z0-9](([a-z0-9-]{1,61})?[a-z0-9]{1})?)?(\.[a-zA-Z]{2,4})+$
– transilvlad
May 16 '13 at 16:38
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原子vector的一种实现源码(atomic-vector) - C/C++ - 清泛网 - 专注C/C++及内核技术
...ATOMIC_VECTOR_H
#include <atomic>
#include <memory>
//#include "folly/String.h"
//#include "trace.h"
#define FTRACE(...) do { } while (0)
#define TRACE_SET_MOD(name)
namespace HPHP {
/*
* AtomicVector is a simple vector intended for use by many concurrent readers
* and writers....
Rails.env vs RAILS_ENV
...s/lib/initializer.rb, line 55
def env
@_env ||= ActiveSupport::StringInquirer.new(RAILS_ENV)
end
But, look at specifically how it's wrapped, using ActiveSupport::StringInquirer:
Wrapping a string in this class gives
you a prettier way to test for
equality. The value return...
Catching multiple exception types in one catch block
...fining the exceptions). Even given that there are exceptions you want to "fall through", you should still be able to define a hierarchy to match your needs.
abstract class MyExceptions extends Exception {}
abstract class LetterError extends MyExceptions {}
class AError extends LetterError {}
cla...
How to create a unique index on a NULL column?
...k, and normalization usually involves the addition of several (non-entity) extra tables to establish relationships between the entities.
Let's work a basic example considering only one "unique nullable column", it's easy to expand it to more such columns.
Suppose we the information represented by ...