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How can I determine if a String is non-null and not only whitespace in Groovy?
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tim_yatestim_yates
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Why do we need argc while there is always a null at the end of argv?
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Yes, argv[argc]==NULL is guaranteed. See C11 5.1.2.2.1 Program startup (my emphasis)
If th...
How do I insert datetime value into a SQLite database?
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The format you need is:
'2007-01-01 10:00:00'
i.e. yyyy-MM-dd HH:mm:ss
If possible, however, use a parameterised query as this frees you from worrying about the formatting details.
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Set folder browser dialog start location
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answered May 10 '09 at 0:39
great_llamagreat_llama
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Making a mocked method return an argument that was passed to it
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10 Answers
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std::shared_ptr thread safety explained
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is incorrect. Only d will point to the new A(10), and a, b, and c will continue to point to the original A(1). This can be seen clearly in the following short example.
#include <memory>
#include <iostream>
using namespace std;
struct A
{
int a;
A(int a) ...
Optional query string parameters in ASP.NET Web API
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– Boris Zinchenko
Jul 24 '16 at 12:50
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Yes, null is considered a constant expression, and theref...
fastest (low latency) method for Inter Process Communication between Java and C/C++
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What is a dependency property?
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Matt
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answered Mar 6 '09 at 0:43
Matt HamiltonMatt ...
Using the Swift if let with logical AND operator &&
...r as? UITabBarController where tabBarController.viewControllers.count > 0 {
println("do stuff")
}
This uses the where clause.
Another example, this time casting AnyObject to Int, unwrapping the optional, and checking that the unwrapped optional meets the condition:
if let w = width a...