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How can you diff two pipelines in Bash?
...dev/fd/63 to get a filename that the command can open and read from to actually read from an already-open file descriptor that bash set up before exec'ing the command. (i.e. bash uses pipe(2) before fork, and then dup2 to redirect from the output of quux to an input file descriptor for diff, on fd ...
How to save traceback / sys.exc_info() values in a variable?
...traceback.format_exc()
...
>>> print var
Traceback (most recent call last):
File "<stdin>", line 2, in <module>
ValueError: invalid literal for int() with base 10: 'k'
You should however take a look at the traceback documentation, as you might find there more suitable metho...
What's the right OAuth 2.0 flow for a mobile app
...nt authorization flow (defined in Section 4.2 of OAuth 2.0 [RFC6749]) generally works with the practice of performing the authorization request in the browser and receiving the authorization response via URI-based inter-app communication.
However, as the implicit flow cannot be protected by PKCE [RF...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
..., a class only gets one where clause, and it goes at the end for any & all generic type constraints.
– Andy V
Aug 22 '16 at 16:18
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When serving JavaScript files, is it better to use the application/javascript or application/x-javas
...r js in your pages, IE7 and IE8 will not run your script! Blame Microsoft all you want, but if you want most people to run your pages use text/javascript.
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Passing Parameters JavaFX FXML
...tes different mechanisms for passing parameters to FXML controllers.
For small applications I highly recommend passing parameters directly from the caller to the controller - it's simple, straightforward and requires no extra frameworks.
For larger, more complicated applications, it would be worthwh...
String.format() to format double in java
...
String.format("%1$,.2f", myDouble);
String.format automatically uses the default locale.
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Cron jobs and random times, within given hours
...m, it'd be a little more complicated to randomize the seconds as well. Finally, since the start times are random and independent of each other, it's possible (but not very likely) that two or more instances of the script will be started simultaneously.
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Is is possible to check if an object is already attached to a data context in Entity Framework?
... if (attach)
context.AttachTo(entitySetName, entity);
}
You can call it as follows:
User user = new User() { Id = 1 };
II.AttachToOrGet<Users>("Users", ref user);
This works very nicely because it's just like context.AttachTo(...) except you can use the ID trick I cited above each...
Can I force a UITableView to hide the separator between empty cells? [duplicate]
... a large enough number of cells that the UITableView cannot display them all without scrolling, no separators appear in the empty space below the cells. If I have only a few cells the empty space below them includes separators.
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