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Percentage Height HTML 5/CSS
...a percentage height, its parent element(*) must have an explicit height. This is fairly self-evident, in that if you leave height as auto, the block will take the height of its content... but if the content itself has a height expressed in terms of percentage of the parent you've made yourself a lit...
How do I delete from multiple tables using INNER JOIN in SQL server
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You can take advantage of the "deleted" pseudo table in this example. Something like:
begin transaction;
declare @deletedIds table ( id int );
delete from t1
output deleted.id into @deletedIds
from table1 as t1
inner join table2 as t2
on t2.id = t1.id
in...
How do I find the length of an array?
Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work.
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git: How do I get the latest version of my code?
... from the repo:
git reset --hard HEAD
git clean -xffd
git pull
Again, this will nuke any changes you've made locally so use carefully. Think about rm -Rf when doing this.
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Global access to Rake DSL methods is deprecated
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I found this in Stack Overflow question Ruby on Rails and Rake problems: uninitialized constant Rake::DSL. It refers to a @DHH tweet.
Put the following in your Gemfile
gem "rake", "0.8.7"
You may see something like
rake aborted!
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Is there StartsWith or Contains in t sql with variables?
I am trying to detect if the server is running Express Edition.
3 Answers
3
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Get the first key name of a javascript object [duplicate]
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edited Jul 20 '17 at 9:12
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1,6302121 silv...
What is the method for converting radians to degrees?
I run into this occasionally and always forget how to do it.
12 Answers
12
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rsync error: failed to set times on “/foo/bar”: Operation not permitted
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If /foo/bar is on NFS (or possibly some FUSE filesystem), that might be the problem.
Either way, adding -O / --omit-dir-times to your command line will avoid it trying to set modification times on directories.
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Difference between int32, int, int32_t, int8 and int8_t
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Between int32 and int32_t, (and likewise between int8 and int8_t) the difference is pretty simple: the C standard defines int8_t and int32_t, but does not define anything named int8 or int32 -- the latter (if they exist at all) is probably from some other header...