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relative path in require_once doesn't work
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217
Use
__DIR__
to get the current path of the script and this should fix your problem.
So:
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Cannot use ref or out parameter in lambda expressions
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126
Lambdas have the appearance of changing the lifetime of variables that they capture. For inst...
git cherry-pick says “…38c74d is a merge but no -m option was given”
...uld be calculated, by using the -m option. For example, git cherry-pick -m 1 fd9f578 to use parent 1 as the base.
I can't say for sure for your particular situation, but using git merge instead of git cherry-pick is generally advisable. When you cherry-pick a merge commit, it collapses all the chan...
Mysql order by specific ID values
...y "order by" using predefined set of column values (ID) like: order by (ID=1,5,4,3) so I would get record 1, 5, 4, 3 in that order out?
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HEAD and ORIG_HEAD in Git
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331
HEAD is (direct or indirect, i.e. symbolic) reference to the current commit. It is a commit that...
How do I calculate the normal vector of a line segment?
Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line?
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jQuery find parent form
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answered Oct 25 '09 at 18:58
karim79karim79
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postgresql return 0 if returned value is null
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182
use coalesce
COALESCE(value [, ...])
The COALESCE function returns the first of its argume...
How to hash a string into 8 digits?
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158
Yes, you can use the built-in hashlib modules or the built-in hash function. Then, chop-off t...
How do I write a custom init for a UIView subclass in Swift?
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The init(frame:) version is the default initializer. You must call it only after initializing y...