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How to use OpenFileDialog to select a folder?
... FolderBrowserDialog's lacks usability. The main disadvantage is that it doesn't allow you to copy a folder path from Windows Explorer for quick navigation, making it useless when you need to drill down more than three levels. Drilling into each folder is not desired especially when the storage is...
Method call if not null in C#
... action();
}
now this is valid:
Action act = null;
act.SafeInvoke(); // does nothing
act = delegate {Console.WriteLine("hi");}
act.SafeInvoke(); // writes "hi"
In the case of events, this has the advantage of also removing the race-condition, i.e. you don't need a temporary variable. So normall...
Android Spinner: Get the selected item change event
...ut the documentation for the Spinner widget clearly states:
A spinner does not support item click
events. Calling this method will raise
an exception.
Better use OnItemSelectedListener() instead:
spinner.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override
public vo...
Calculate size of Object in Java [duplicate]
... I'm not sure about this: ((int)maxOffset/WORD) + 1)*WORD, but I think it does work as I'm pretty sure 64 bit variables are never crosssing an 8 byte boundary in a 64-bit VM. Good code otherwise, although you could of course get rid of the whole map making effort. I made my own version which also h...
在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...ile sizes tend to be larger that JPG. (PNG uses lossless compression; JPG does not.) Avoid BMP images; BMP images are huge compared to other formats because they are not compressed at all.
5. Picking “just the right size”
When you resize an image for use in an app, you don’t need to exactl...
Cloning a MySQL database on the same MySql instance
...
This doesn't work for me, if I have to put in the password for dumping and importing like this: mysqldump -uroot -p database1 | mysql -uroot -p database2. I get prompted for both pws but can only put in one. The prompt looks like ...
Getting reference to the top-most view/window in iOS application
...
does this work when we present a view controller?. Will the added subview shown over the presented view controller?
– Pratyusha Terli
Mar 24 '15 at 14:56
...
Android - Package Name convention
...keep package name unique but my question is when we upload to google play. doesnt google play ensure that package name is unique in the store before it goes online? so if we only install from google play, we shouldnt have this conflict
– batmaci
Nov 6 '17 at 22...
How to render a DateTime object in a Twig template
... game.gameDate|date('Y-m-d') }}
approach, keep in mind that this version does not honor the user locale, which should not be a problem with a site used by only users of one nationality. International users should display the game date totally different, like extending the \DateTime class, and addi...
log messages appearing twice with Python Logging
...t__ method of Boy) : getLogger will return the same object, but addHandler does not check if a similar handler has already been added to the logger.
Try tracing calls to that method and eliminating one of these. Or set up a flag logging_initialized initialized to False in the __init__ method of Bo...