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Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
...mentions in Visual Studio this code would generate C4716 which is an error by default, the message I see is:
error C4716: 'Min' : must return a value
and in the case where not all code paths would return a value then it would generate C4715, which is a warning.
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Is there a CSS parent selector?
...apply to the li tag */ }
However, as of 2020, this is still not supported by any browser.
In the meantime, you'll have to resort to JavaScript if you need to select a parent element.
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improv...
Does Redis persist data?
...asically you lose the guaranteed persistence when you increase performance by using only in-memory storing. Imagine a scenario where you INSERT into memory, but before it gets persisted to disk lose power. There will be data loss.
Redis supports so-called "snapshots". This means that it will do a c...
In Mongoose, how do I sort by date? (node.js)
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You can also sort by the _id field. For example, to get the most recent record, you can do: await db.collection.findOne().sort({ _id: -1 });
– Mike K
Feb 8 at 11:00
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JPA eager fetch does not join
... between. One can choose suitable strategy based on her/his domain model.
By default SELECT is used by both JPA/EclipseLink and Hibernate. This can be overridden by using:
@Fetch(FetchMode.JOIN)
@Fetch(FetchMode.SUBSELECT)
in Hibernate. It also allows to set SELECT mode explicitly using @Fetch(...
Java Try Catch Finally blocks without Catch
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@jyw That is what I meant by the first item in the list above.
– Peter Lawrey
May 3 '17 at 7:34
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Can PHP cURL retrieve response headers AND body in a single request?
...es servers send some body with 302 response, but it will be anyway ignored by browsers, so far, why curl should handle this?)
– msangel
Apr 8 '14 at 14:37
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Using IQueryable with Linq
...es (which is what Enumerable uses).
The expression trees can be inspected by your chosen LINQ provider and turned into an actual query - although that is a black art in itself.
This is really down to the ElementType, Expression and Provider - but in reality you rarely need to care about this as a ...
Android Studio - How to increase Allocated Heap Size
...--EDIT--------
Android Studio 2.0 and above, you can create/edit this file by accessing "Edit Custom VM Options" from the Help menu.
-------ORIGINAL ANSWER--------
Open file located at
/Applications/Android\ Studio.app/Contents/bin/studio.vmoptions
Change the content to
-Xms128m
-Xmx4096m
-XX:MaxPe...
Why can't static methods be abstract in Java?
...tatic methods I'd expect it to mean that the method 1) must be implemented by subclasses, and 2) is a class method of the subclass. Some methods just don't make sense as instance methods. Unfortunately Java doesn't let you specify that when creating an abstract base class (or an interface).
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