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Automating the InvokeRequired code pattern
...Required(this Control control, MethodInvoker action)
{
// See Update 2 for edits Mike de Klerk suggests to insert here.
if (control.InvokeRequired) {
control.Invoke(action);
} else {
action();
}
}
And can be called like this
richEditControl1.InvokeIfRequired(() =&...
Where can I find my .emacs file for Emacs running on Windows?
I tried looking for the .emacs file for my Windows installation for Emacs, but I could not find it. Does it have the same filename under Windows as in Unix?
...
Has an event handler already been added?
...ed it needs to be flagged, which the event handler took care of properly before. However now when the objects are deserialized it isn't getting the event handler.
...
How to get the screen width and height in iOS?
...enRect.size.width;
CGFloat screenHeight = screenRect.size.height;
Update for split view: In comments, Dmitry asked:
How can I get the size of the screen in the split view?
The code given above reports the size of the screen, even in split screen mode. When you use split screen mode, your app...
Logging uncaught exceptions in Python
...rt sys
>>> def foo(exctype, value, tb):
... print 'My Error Information'
... print 'Type:', exctype
... print 'Value:', value
... print 'Traceback:', tb
...
Override sys.excepthook:
>>> sys.excepthook = foo
Commit obvious syntax error (leave out the colon) and ge...
What is the difference between exit() and abort()?
... first, and without calling objects' destructors first. exit() does both before exiting your program. It does not call destructors for automatic objects though. So
A a;
void test() {
static A b;
A c;
exit(0);
}
Will destruct a and b properly, but will not call destructors of c. abor...
MLKitImageLabeler 拓展：离线图像标注（拍照识物） · App Inventor 2 中文网
...fidence":0.92,"index":0},
{"label":"Plant","name":"植物","confidence":0.81,"index":1}]
四、识别 Base64 图片（例如从摄像头或网络拿到的）
when 按钮_Base64.Click() {
ImageLabeler1.LabelFromBase64(文本输入框_Base64.Text)
}
五、给...
Uppercase Booleans vs. Lowercase in PHP
... FALSE.
Personally, however, I prefer TRUE over true and FALSE over false for readability reasons. It's the same reason for my preference on using OR over or or ||, and on using AND over and or &&.
The PSR-2 standard requires true, false and null to be in lower case.
...
Extract file name from path, no matter what the os/path format
... extract filenames from paths, no matter what the operating system or path format could be?
17 Answers
...
What is the difference between max-device-width and max-width for mobile web?
I need to develop some html pages for iphone/android phones, but what is the difference between max-device-width and max-width ? I need to use different css for different screen size.
...