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Evaluating a mathematical expression in a string
...hematical expressions. In particular, fourFn.py
shows how to parse basic arithmetic expressions. Below, I've rewrapped fourFn into a numeric parser class for easier reuse.
from __future__ import division
from pyparsing import (Literal, CaselessLiteral, Word, Combine, Group, Optional,
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Adding iOS UITableView HeaderView (not section header)
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UITableView has a tableHeaderView property. Set that to whatever view you want up there.
Use a new UIView as a container, add a text label and an image view to that new UIView, then set tableHeaderView to the new view.
For ...
Android: Scale a Drawable or background image?
On a layout I want to scale the background image (keeping its aspect ratio) to the space allocated when the page gets created. Does anyone have an idea how to do this?
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C Macro definition to determine big endian or little endian machine?
Is there a one line macro definition to determine the endianness of the machine. I am using the following code but converting it to macro would be too long.
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Can I mix MySQL APIs in PHP?
...r. They are separate APIs and the resources they create are incompatible with one another.
There is a mysqli_close, though.
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Maven project version inheritance - do I have to specify the parent version?
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EDIT: Since Maven 3.5.0 there is a nice solution for this using ${revision} placeholder. See FrVaBe's answer for details. For previous Maven versions see my original answer below.
No, there isn't. You always have to specify ...
When restoring a backup, how do I disconnect all active connections?
...05 doesn't restore a backup because of active connections. How can I force it?
10 Answers
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Purpose of Trigraph sequences in C++?
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This question (about the closely related digraphs) has the answer.
It boils down to the fact that the ISO 646 character set doesn't have all the characters of the C syntax, so there are some systems with keyboards and displays that can't deal with the characters (though I imagine that these ...
PHP multidimensional array search by value
...rn $key;
}
}
return null;
}
This will work. You should call it like this:
$id = searchForId('100', $userdb);
It is important to know that if you are using === operator compared types have to be exactly same, in this example you have to search string or just use == instead ===.
Bas...
Eclipse copy/paste entire line keyboard shortcut
... the keyboard shortcut to copy/paste a line into a new line in Eclipse , without having to highlight the entire line?
25 A...