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How to forward declare a C++ template class?
...
This is how you would do it:
template<typename Type, typename IDType=typename Type::IDType>
class Mappings;
template<typename Type, typename IDType>
class Mappings
{
public:
...
Type valueFor(const IDType& id) { // return value }
...
};
Note that the default ...
What is the difference between up-casting and down-casting with respect to class variable
...ing: When we want to cast a Sub class to Super class, we use Upcasting(or widening). It happens automatically, no need to do anything explicitly.
Downcasting : When we want to cast a Super class to Sub class, we use
Downcasting(or narrowing), and Downcasting is not directly possible in Java, expl...
IntelliJ: Viewing diff of all changed files between local and a git commit/branch
...t + ] and cmd + shift + [ to shift between files.
Diff Tip: IntelliJ provides advanced diff features. You can check those on the 3rd image.
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The 'packages' element is not declared
...makes it go away...
Edit in 2020: if you are viewing this warning, consider upgrading to PackageReference if you can
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Streaming Audio from A URL in Android using MediaPlayer?
I've been trying to stream mp3's over http using Android's built in MediaPlayer class. The documentation would suggest to me that this should be as easy as :
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Filtering fiddler to only capture requests for a certain domain
...s the thechnical way. I will not be able to open filers dialog when using fiddler programmatically. Edit the file and adding that is the way i've been looking for.
– m3nda
Feb 11 '15 at 12:55
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Entity Framework code first unique column
...work Code First:
Column 'x' in table 'dbo.y' is of a type that is invalid for use as a key column in an index.
The reason is because of this:
SQL Server retains the 900-byte limit for the maximum total size of all index key columns."
(from: http://msdn.microsoft.com/en-us/library/ms19124...
Maven Snapshot Repository vs Release Repository
...ts
These are specific, point-in-time releases. Released artifacts are considered to be solid, stable, and perpetual in order to guarantee that builds which depend upon them are repeatable over time. Released JAR artifacts are associated with PGP signatures and checksums verify both the authenticity...
What does `node --harmony` do?
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Thanks a lot! It all makes sense now. Btw. any ideas what is the equivalent of man node in Windows? :)
– jsalonen
Nov 12 '12 at 22:04
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AI助手生成代码编译apk报错 - AI 助手 - 清泛IT社区，为创新赋能！
...ources\app.asar.unpacked\tmp\1781143258366_6476145339306496000-0\youngandroidproject\..\build\intermediates\res\merged\layout\abc_alert_dialog_button_bar_material.xml: note: using v22 attributes; synthesizing resource appinventor.ai_18721201607.BLtalka:layout/abc_alert_dialog_button_bar_material for...