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How can I exclude all “permission denied” messages from “find”?
..._and_folders | { grep -v 'Permission denied' >&2; [ $? -eq 1 ]; }
Now, the exit code indicates whether any errors other than Permission denied occurred: 1 if so, 0 otherwise.
In other words: the exit code now reflects the true intent of the command: success (0) is reported, if no errors at ...
What's the difference between a Future and a Promise?
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@Beetroot-Beetroot it seems that has happened by now.
– herman
Jun 3 '15 at 8:49
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Select datatype of the field in postgres
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So simple and nice! Now I can replace the current query that I found that is 310 characters (without the table name), 4 table join, not schema aware, expensive, and that gives 'int4' and others as types instead of integer. Thank you!
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Detecting touch screen devices with Javascript
...t on devices with no touch input running a touch-capable browser. I don't know of a way to detect device touch capability natively, without just waiting for a touch event to occur.
– Stu Cox
Dec 12 '12 at 11:24
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Can unit testing be successfully added into an existing production project? If so, how and is it wor
... months ago before I could really see any benefit of TDD (face palm) , so now it's a rather large solution with a number of projects and I haven't the foggiest idea where to start in adding unit tests. What's making me consider this is that occasionally an old bug seems to resurface, or a bug is ch...
How to do scanf for single char in C [duplicate]
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Now that's wild! Would you explain why the space in front of %c makes a difference?
– Max Coplan
Sep 10 '19 at 15:59
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Postgresql - change the size of a varchar column to lower length
...ne tries to update anything on that row it's going to reject it as too big now, at the point it goes to store the new version of the row. Hilarity ensues for the user.
VARCHAR is a terrible type that exists in PostgreSQL only to comply with its associated terrible part of the SQL standard. If you...
Override browser form-filling and input highlighting with HTML/CSS
I have 2 basic forms -- sign in and sign up, both on the same page. Now, I have no problem with the sign in form auto-filling, but the sign up form auto fills as well, and I don't like it.
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How to configure Fiddler to listen to localhost?
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I believe with IE 9 RC, Fiddler can now capture the localhost requests
– SteveC
Feb 25 '11 at 10:25
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How do I modify fields inside the new PostgreSQL JSON datatype?
...LANGUAGE sql IMMUTABLE STRICT
COST 100;
Update: functions are compacted now.
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