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pythonw.exe or python.exe?
...e window. To prevent this I have to double-click the file name to open the app. Only then do I see just the GUI and no console.
– Luther
Jul 28 at 6:54
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ImportError: Cannot import name X
...ally produces a tree of one-way dependencies and this is normally the best approach. But there are exceptions to this. C++ classes certainly can refer to one another circularly. (Although it is impossible for them to be composed of one another.) Without forward-declaration, this is a problem in Pyth...
GridLayout (not GridView) how to stretch all children evenly
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Appcompat21 GridLayout has the column and row weights which can be used like below to evenly create each grid item in the gridlayout like the image above.
<android.support.v7.widget.GridLayout
xmlns:android="http://schem...
How to set -source 1.7 in Android Studio and Gradle
...Location), and edit the Source Compatibility accordingly. (note, this only applies to Android Module).
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How to get the name of enumeration value in Swift?
...ing:) can be used for a fully-qualified name:
debugPrint(city)
// prints "App.City.Melbourne" (or similar, depending on the full scope)
let cityDebugName = String(reflecting: city)
// cityDebugName contains "App.City.Melbourne"
Note that you can customise what is printed in each of these scenari...
Android Studio suddenly cannot resolve symbols
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This is still happening in 2018 and your answer was helpful. I wish this was fixed though... Happened in AS 3.1.1.
– Demogorii
Apr 23 '18 at 17:32
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Exposing database IDs - security risk?
...fiers. On the other hand, it would be extremely burdensome to design a web application without exposing them at all. Thus, it's important to understand the risks and take care to address them.
The first danger is what OWASP called "insecure direct object references." If someone discovers the id of a...
Swift native base class or NSObject
...ective-C's flexibility.
Edit:
With Xcode 6 beta 6, the dynamic attribute appears. This allows us to instruct Swift that a method should use dynamic dispatch, and will therefore support interception.
public dynamic func foobar() -> AnyObject {
}
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Passing Data between View Controllers
...extField and the UILabel.
Set the first and second View Controllers to the appropriate Swift files in IB.
Passing data back to the previous View Controller
To pass data back from the second view controller to the first view controller, you use a protocol and a delegate. This video is a very clear w...
UDP vs TCP, how much faster is it? [closed]
... they all "sense" the available bandwidth. Try that with 100 different UDP applications, all pushing packets as fast as they can go, and see how well things work out for you.
On a larger scale, this TCP behavior is what keeps the Internet from locking up into "congestion collapse".
Things that te...