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Finding elem>me m>nt's position relative to the docum>me m>nt
What's the easiest way to determine an elem>me m>nts position relative to the docum>me m>nt/body/browser window?
9 Answers
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Can I zip more than two lists together in Scala?
...y size, but the transpose function does exactly what you need if you don't mind getting a list of lists instead.
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Why doesn't Python have a sign function?
... return in all the edge cases (+/-0, +/-nan, etc)
So they decided to implem>me m>nt only copysign, which (although more verbose) can be used to delegate to the end user the desired behavior for edge cases - which som>me m>tim>me m>s might require the call to cmp(x,0).
I don't know why it's not a built-in, but ...
Differences between Java 8 Date Tim>me m> API (java.tim>me m>) and Joda-Tim>me m>
I know there are questions relating to java.util.Date and Joda-Tim>me m>. But after som>me m> digging, I couldn't find a thread about the differences between the java.tim>me m> API (new in Java 8 , defined by JSR 310 ) and Joda-Tim>me m> .
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How are msys, msys2, and msysgit related to each other?
...'t find a thorough description of what's going on with these 3 versions of MSYS. (It's entirely possible I just don't know what to look for.) I do understand that MSYS is a minimal port of Linux tools to support developm>me m>nt using MinGW, but I'm not clear on the relationship between the three of them...
Generating v5 UUID. What is nam>me m> and nam>me m>space?
I've read the man page, but I do not undestand what nam>me m> and nam>me m>space are for.
3 Answers
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Where do you store your salt strings?
...per per-entry salt string when hashing passwords for database storage. For my needs, storing the salt in the DB next to the hashed password has always worked fine.
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How do I get the collection of Model State Errors in ASP.NET MVC?
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<% ViewData.ModelState.IsValid %>
or
<% ViewData.ModelState.Values.Any(x => x.Errors.Count >= 1) %>
and for a specific property...
<% ViewData.ModelState["Property"].Errors %> // Note this returns a collection
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Postgresql GROUP_CONCAT equivalent?
...ly):
SELECT id_field, array_agg(value_field1), array_agg(value_field2)
FROM data_table
GROUP BY id_field
array_agg returns an array, but you can CAST that to text and edit as needed (see clarifications, below).
Prior to version 8.4, you have to define it yourself prior to use:
CREATE AGGREGATE ...
Understanding recursion [closed]
...ter science, a tree is a structure made up of nodes, where each node has som>me m> number of children that are also nodes, or null. A binary tree is a tree made of nodes that have exactly two children, typically called "left" and "right"; again the children can be nodes, or null. A root is a node that is...