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Android: Temporarily disable orientation changes in an Activity
...is in his self-answer, calling
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR);
and then
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR);
really works like charm... on real devices !
Don't think that it's broken when testing on the emulator, the ctrl+F11 shor...
How to convert nanoseconds to seconds using the TimeUnit enum?
...:
long elapsedTime = end - start;
double seconds = (double)elapsedTime / 1_000_000_000.0;
If you use TimeUnit to convert, you'll get your result as a long, so you'll lose decimal precision but maintain whole number precision.
...
How to take screenshot of a div with JavaScript?
...
When the quiz is finished, do this:
var c = document.getElementById('the_canvas_element_id');
var t = c.getContext('2d');
/* then use the canvas 2D drawing functions to add text, etc. for the result */
When the user clicks "Capture", do this:
window.open('', document.getElementById('the_canvas...
What's the main difference between int.Parse() and Convert.ToInt32
...some web service is handing you an integer in string format), you'd use Int32.Parse().
If you're collecting input from a user, you'd generally use Int32.TryParse(), since it allows you more fine-grained control over the situation when the user enters invalid input.
Convert.ToInt32() takes an objec...
Transpose a data frame
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注IT技能提升
... is done on the fly as the user is typing. All validation is done in the EN_UPDATE message handler, so any cut/copy and paste operations are immediately validated. If the user deletes the text in the cell, the value is set to zero.
Using the CGridCellNumeric class
Download and unzip the ...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注IT技能提升
... is done on the fly as the user is typing. All validation is done in the EN_UPDATE message handler, so any cut/copy and paste operations are immediately validated. If the user deletes the text in the cell, the value is set to zero.
Using the CGridCellNumeric class
Download and unzip the ...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注IT技能提升
... is done on the fly as the user is typing. All validation is done in the EN_UPDATE message handler, so any cut/copy and paste operations are immediately validated. If the user deletes the text in the cell, the value is set to zero.
Using the CGridCellNumeric class
Download and unzip the ...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注IT技能提升
... is done on the fly as the user is typing. All validation is done in the EN_UPDATE message handler, so any cut/copy and paste operations are immediately validated. If the user deletes the text in the cell, the value is set to zero.
Using the CGridCellNumeric class
Download and unzip the ...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注IT技能提升
... is done on the fly as the user is typing. All validation is done in the EN_UPDATE message handler, so any cut/copy and paste operations are immediately validated. If the user deletes the text in the cell, the value is set to zero.
Using the CGridCellNumeric class
Download and unzip the ...