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CSS \9 in width property
...ls wide.
More info
EDIT:
This answer was written in 2011. It should now be noted that this hack also works in IE 10.
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How do I make a branch point at a specific commit? [duplicate]
...
git branch development
git checkout development
Correct the branch
Now we are in the problem situation and need its solution! Rectify the mistake (of taking the release branch forward with the development) and put the release branch back how it should be.
Correct the release branch to point...
Spring Boot: How can I set the logging level with application.properties?
This is very simple question, but I cannot find information.
(Maybe my knowledge about Java frameworks is severely lacking)
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Disable ActiveRecord for Rails 4
... I created an application with rails new my_app -O a month ago. Now I want the active record back. What are files/gems/configuration I need to add now?
– Jak
Mar 25 '15 at 20:09
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How to compare strings in Bash
... true.
(
[ "$x" == "valid" ]
&&
echo "valid"
)
||
echo "invalid"
Now, when it is evaluated, the first is checked. If it is false, than the second operand of the logic and && after it is not relevant. The first is not true, so it can not be the first and the second be true, anyway.
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Is there a decorator to simply cache function return values?
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the backport can now be found here: pypi.python.org/pypi/backports.functools_lru_cache
– Frederick Nord
Jul 21 '15 at 7:55
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How do pointer to pointers work in C?
...characters, but also to other pointers. E.g.:
const char **cp = &c;
Now cp points to c, that is, it contains the address of c (which is 58). We can go even further. Consider:
const char ***cpp = &cp;
Now cpp stores the address of cp. So it has value 55 (based on the example above), and...
Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
...o do this:
DEBUG VIEW HIERARCHY (Do not recommend this way)
Since you know where to find unexpected constraints (PBOUserWorkDayHeaderView) there is a way to do this fairly well. Lets find UIView and NSLayoutConstraint in red rectangles. Since we know their id in memory it is quite easy.
Stop a...
MySQL, better to insert NULL or empty string?
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I don't know what best practice would be here, but I would generally err in favor of the null unless you want null to mean something different from empty-string, and the user's input matches your empty-string definition.
Note that I'...
Why prefer two's complement over sign-and-magnitude for signed numbers?
... to 4 bits for size). In the two's complement way, they are 0010 and 1111. Now, let's say I want to add them.
Two's complement addition is very simple. You add numbers normally and any carry bit at the end is discarded. So they're added as follows:
0010
+ 1111
=10001
= 0001 (discard the carry)
...