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Learning Python from Ruby; Differences and Similarities
...you want to allocate some resource (open a file, obtain a database cursor, etc), perform some arbitrary operation on it, and then close it in a safe manner even if an exception occurs.
In Ruby, because blocks are so easy to use (see #9), you would typically code this pattern as a method that takes ...
How to quit android application programmatically
...g message
alertDialogBuilder
.setMessage("your message")
.setCancelable(false)
.setPositiveButton("YES"),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int id) {
...
cannot download, $GOPATH not set
...ind this useful if you want to understand the GOPATH layout, customize it, etc.]
The official Go site discusses GOPATH and how to lay out a workspace directory.
export GOPATH="$HOME/your-workspace-dir/" -- run it in your shell, then add it to ~/.bashrc or equivalent so it will be set for you in th...
window.onload vs $(document).ready()
...ay, and fires as soon as the page's DOM is ready (doesn't wait for images, etc.).
$(document).ready (note that it's not document.ready, which is undefined) is a jQuery function, wrapping and providing consistency to the following events:
document.ondomcontentready / document.ondomcontentloaded - ...
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
...
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). ...