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Why do C++ libraries and frameworks never use smart pointers?
...d they should always be wrapped inside smart pointers, whether it's scoped or shared pointers.
8 Answers
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Link to “pin it” on pinterest without generating a button
I have a page with tens or hundreds of posts, each one with social buttons.
I just can't generate all the buttons for each url: it is too slow (facebook, g+, twitter, pinterest... for hundreds of links). So, instead of the facebook share button to be generated on the fly, I use a simple img pointing...
Nodejs Event Loop
...imilar problem like you when I tried to understand node.js architecture in order to write native modules.
What I am posting here is my understanding of node.js and this might be a bit off track as well.
Libev is the event loop which actually runs internally in node.js to perform simple event loop...
How to know if user is logged in with passport.js?
I've been reading passport.js info and samples for two days, but I'm not sure after that I did all the process of authenticating.
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What limits does scala place on the “acceptable complexity” of inferred types?
According to the Scala Language Spec :
1 Answer
1
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Do Java arrays have a maximum size?
... answer, even though it's very easy to test.
In a recent HotSpot VM, the correct answer is Integer.MAX_VALUE - 5. Once you go beyond that:
public class Foo {
public static void main(String[] args) {
Object[] array = new Object[Integer.MAX_VALUE - 4];
}
}
You get:
Exception in thread "m...
How to manage startActivityForResult on Android?
...ty, I'm calling a second activity from the main activity by startActivityForResult . In my second activity, there are some methods that finish this activity (maybe without a result), however, just one of them returns a result.
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How to re-raise an exception in nested try/except blocks?
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As of Python 3 the traceback is stored in the exception, so a simple raise e will do the (mostly) right thing:
try:
something()
except SomeError as e:
try:
plan_B()
except AlsoFailsError:
raise e # or raise e from None - see below...
Why do Java webapps use .do extension? Where did it come from?
...ve always wondered why so many Java developers use ".do" as the extension for their web controller (MVC) resources. Example: http://example.com/register.do
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What is the difference between “pom” type dependency with scope “import” and without “import”?
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You can only import managed dependencies. This means you can only import other POMs into the dependencyManagement section of your project's POM. i.e.
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<dependencyManagement>
<dependencies>
<dependency>
...