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Bash ignoring error for a particular command
...lso, I want to add that when pipefail is on,
it is enough for shell to think that the entire pipe has non-zero exit code
when one of commands in the pipe has non-zero exit code (with pipefail off it must the last one).
$ set -o pipefail
$ false | true ; echo $?
1
$ set +o pipefail
$ false | true ; ...
scipy.misc module has no attribute imread?
...wered Mar 11 '13 at 18:34
WilduckWilduck
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Android Studio - Ambiguous method call getClass()
I'm using Android Studio for my Android application.
My code works and compiles.
Recently, the IDE showes me error (red lines) on getClass of the following code:
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What's the best way to put a c-struct in an NSArray?
...weight than NSData for simple data structures.
Simply use an expression like the following:
[NSValue valueWithBytes:&p objCType:@encode(Megapoint)];
And to get the value back out:
Megapoint p;
[value getValue:&p];
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throwing exceptions out of a destructor
...out of a destructor - doing so results in undefined behavior. Stroustrup makes the point that "the vector destructor explicitly invokes the destructor for every element. This implies that if an element destructor throws, the vector destruction fails... There is really no good way to protect against...
Select + copy text in a TextView?
...d get the popup options of select all / copy, but I need the control to look like a TextView.
8 Answers
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How to know/change current directory in Python shell?
...am using Python 3.2 on Windows 7. When I open the Python shell, how can I know what the current directory is and how can I change it to another directory where my modules are?
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Remove duplicated rows
...e. Some of the rows have the same element in one of the columns. I would like to remove rows that are duplicates in that column. For example:
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How can I concatenate NSAttributedStrings?
...prior to merging the strings, so having NSStrings -> Concatenate them -> Make NSAttributedString is not an option, is there any way to concatenate attributedString to another attributedString?
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C++ templates Turing-complete?
...-complete at compile time. This is mentioned in this post and also on wikipedia .
15 Answers
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