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Ways to implement data versioning in MongoDB
... approach would be to store diffs. Because the display of these diffs is really a special action, I would put the diffs in a different "history" collection.
I would use the different collection to save memory space. You generally don't want a full history for a simple query. So by keeping the histo...
How do you get the logical xor of two variables in Python?
...e not comparing apples to oranges, is "if xor( isApple(x), isApple(y) )" really clearer than "if isApple(x) != isApple(y)" ? Not to me!
– AmigoNico
May 21 '12 at 18:27
109
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Why should eval be avoided in Bash, and what should I use instead?
...rintln. We could, of course, just redirect the output of println on each call, but for the sake of example, we're not going to do that. We'll need to use eval, since variables can't be used to redirect output.
function println
{
eval printf "$2\n" "${@:3}" $1
}
function error
{
println '...
Remove Application Insight from application on Visual Studio 2013
...d only have to remove one extension and possibly one nuget package.
Uninstall the Application Insights Tools for Visual Studio extension and remove the Application Telemetry SDK for Services nuget package. The telemetry package is installed along with Application Insights but must be removed separa...
How to add semicolon after method call when inside parameter list in IntelliJ IDEA?
...
For Windows or Linux users, Ctrl+Shift+Enter.
For macOS/OS X users, ⌘ Command+⇧ Shift+Enter.
That finishes the statement you're currently writing. Try it in a few different situations, like in if statements, for loops etc, and you'll see that it'll complete the line and op...
How to determine whether code is running in DEBUG / RELEASE build?
...EBUG changed to another variable name such as DEBUG_MODE.
then conditionally code for DEBUG in your source files
#ifdef DEBUG
// Something to log your sensitive data here
#else
//
#endif
share
|
...
enum - getting value of enum on string conversion
...>> member.value
1
You could add a __str__ method to your enum, if all you wanted was to provide a custom string representation:
class D(Enum):
def __str__(self):
return str(self.value)
x = 1
y = 2
Demo:
>>> from enum import Enum
>>> class D(Enum):
...
Will the Garbage Collector call IDisposable.Dispose for me?
...lizer, and implement IDisposable, that your finalizer needs to explicitly call Dispose.
This is logical, and is what I've always done in the rare situations where a finalizer is warranted.
...
How to use nodejs to open default browser and navigate to a specific URL
...
Use opn because it will handle the cross platform issue. To install:
$ npm install opn
To use:
var opn = require('opn');
// opens the url in the default browser
opn('http://sindresorhus.com');
// specify the app to open in
opn('http://sindresorhus.com',...
Positioning MKMapView to show multiple annotations at once
...tations I want to add to my MKMapView (it could 0-n items, where n is generally around 5). I can add the annotations fine, but I want to resize the map to fit all annotations onscreen at once, and I'm not sure how to do this.
...