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What is the difference between syntax and semantics in programming languages?
...eaning rather than structure: logic is more an abstraction e.g. P => Q, etc or !!P = P, but when you add semantics things can have subtlety, if P is "happy", then !!P is "I'm not un-happy" != "I'm happy"
– doctorlove
Nov 21 '14 at 9:34
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Capture Stored Procedure print output in .NET
... be obvious but if there is no output from the proc (no print, raiseerror, etc.) then the event is not triggered. This stumped me for a while until I realized what was happening.
– IronRod
Aug 3 '16 at 17:41
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Architecture of a single-page JavaScript web application?
...g, History, Bookmarking
Unit Testing
Localization
Document Generation
etc.
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TortoiseSVN icons not showing up under Windows 7
...hat Windows uses). Programs like Office Groove, Dropbox, Mozy, Carbonite, etc, will hijack a bunch of the 11 possible overlay icons (boy would it be nice if Microsoft upped the number of these as the number of applications that use them seem to increase and increase)...
You can see what overlays a...
Saving interactive Matplotlib figures
...'FigureObject.fig.pickle', 'rb'))
figx.show() # Show the figure, edit it, etc.!
You can even extract the data from the plots:
data = figx.axes[0].lines[0].get_data()
(It works for lines, pcolor & imshow - pcolormesh works with some tricks to reconstruct the flattened data.)
I got the exce...
Showing the stack trace from a running Python application
... to continue running (though note that you will probably interrupt any I/O etc at the point you signal, so it isn't fully non-intrusive.
I've another script that does the same thing, except it communicates with the running process through a pipe (to allow for debugging backgrounded processes etc). ...
How to move screen without moving cursor in Vim?
... letters; try adding a modifier or leader, using a symbol or function key, etc.) and map it to the case sensitive 'risky' combination. Second, configure vimundo to your liking so you can recover from an oops. (Non-portable hacks incoming:) Third, do the same but from your user keyboard config, e.g. ...
Python str vs unicode types
... can remove a code point, replace a code point with a different code point etc. but you cannot mess with the internal representation.
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Handling the window closing event with WPF / MVVM Light Toolkit
...constructor:
MyWindow()
{
// Set up ViewModel, assign to DataContext etc.
Closing += viewModel.OnWindowClosing;
}
Then add the handler to the ViewModel:
using System.ComponentModel;
public void OnWindowClosing(object sender, CancelEventArgs e)
{
// Handle closing logic, set e.Cance...
How to detect Ctrl+V, Ctrl+C using JavaScript?
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With jquery you can easy detect copy, paste, etc by binding the function:
$("#textA").bind('copy', function() {
$('span').text('copy behaviour detected!')
});
$("#textA").bind('paste', function() {
$('span').text('paste behaviour detected!')
});
$("#textA").b...