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Checking for NULL pointer in C/C++ [closed]
...ol NULL. They do not expose the opportunity for the accidental assignment. And they are clear and succinct.
Edit: As SoapBox points out in a comment, they are compatible with C++ classes such as auto_ptr that are objects that act as pointers and which provide a conversion to bool to enable exactly...
How do you add an in-app purchase to an iOS application?
How do you add an in-app purchase to an iOS app? What are all the details and is there any sample code?
5 Answers
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How to break/exit from a each() function in JQuery? [duplicate]
... simple 'return' is not working for me. this is why i googled it and found this post. 'return false' works. i am running osx lion with chrome.
– Sonic Soul
Jun 9 '12 at 23:17
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Android - Emulator in landscape mode, screen does not rotate
When I switch to landscape mode ( NUMPAD 7 or CTRL + F11 ) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate ...
Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
... it's called. This is the difference between an object orientated function and a function using a global variable, effectively.
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Moq: How to get to a parameter passed to a method of a mocked service
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You can use the Mock.Callback-method:
var mock = new Mock<Handler>();
SomeResponse result = null;
mock.Setup(h => h.AnsyncHandle(It.IsAny<SomeResponse>()))
.Callback<SomeResponse>(r => result = r);
// do your test
new Foo(mock.Object).Bar(22);
Assert.NotNull...
What is javax.inject.Named annotation supposed to be used for?
I am trying to understand the javax.inject package and I am not clear what the javax.inject.Named annotation is supposed to be used for. The Javadoc does not explain the the idea behind it.
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Timeout jQuery effects
...lay/
$('.notice').fadeIn().delay(2000).fadeOut('slow');
Note: $.show() and $.hide() by default are not queued, so if you want to use $.delay() with them, you need to configure them that way:
$('.notice')
.show({duration: 0, queue: true})
.delay(2000)
.hide({duration: 0, queue: true}...
What's the difference between session.Merge and session.SaveOrUpdate?
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if the object is versioned (by a <version> or <timestamp>), and the
version property value is the same value assigned to a newly
instantiated object, save() it
otherwise update() the object
and merge() is very different:
if there is a persistent instance with t...
How does the Comma Operator work
...itializers for symbol tables. Thus, it makes the following syntax possible and meaningful:
keywords = "and", "or", "not", "xor";
Notice that due to operator precedence, the code is (intentionally!) identical to
(((keywords = "and"), "or"), "not"), "xor";
That is, the first operator called is k...