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in_array multiple values
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if(count(array_intersect($haystack, $target)) == count($target)){
// all of $target is in $haystack
}
Note that you only need to verify the size of the resulting intersection is the same size as the array of target values to say that $haystack is a superset of $target.
To verify that at lea...
Decimal precision and scale in EF Code First
...number of digits the db will store, regardless of where the decimal point falls and scale is the number of decimal places it will store.
Therefore there is no need to iterate through properties as shown but the can just be called from
public class EFDbContext : DbContext
{
protected override v...
How can I make pandas dataframe column headers all lowercase?
I want to make all column headers in my pandas data frame lower case
5 Answers
5
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How to list containers in Docker
...o show only running containers use the given command:
docker ps
To show all containers use the given command:
docker ps -a
To show the latest created container (includes all states) use the given command:
docker ps -l
To show n last created containers (includes all states) use the given com...
How can I remove specific rules from iptables?
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If you have several rules of a kind, it will not remove all of them.
– ETech
Mar 27 '14 at 8:22
4
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Difference between app.use and app.get in express.js
...nt" path, app.use() will respond to any path that starts with /, which are all of them and regardless of HTTP verb used:
GET /
PUT /foo
POST /foo/bar
etc.
app.get(), on the other hand, is part of Express' application routing and is intended for matching and handling a specific route when request...
window.onload vs
...load is less obtrusive though - it takes your JavaScript out of the HTML.
All of the common JavaScript libraries, Prototype, ExtJS, Dojo, JQuery, YUI, etc. provide nice wrappers around events that occur as the document is loaded. You can listen for the window onLoad event, and react to that, but on...
How to vertically center a div for all browsers?
I want to center a div vertically with CSS. I don't want tables or JavaScript, but only pure CSS. I found some solutions, but all of them are missing Internet Explorer 6 support.
...
Ruby function to remove all white spaces?
What is the Ruby function to remove all white spaces? I'm looking for something kind of like PHP's trim() ?
23 Answers
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Why does Double.NaN==Double.NaN return false?
...enormalized value or a signed zero, and an operation that has no mathematically definite result produces NaN. All numeric operations with NaN as an operand produce NaN as a result. As has already been described, NaN is unordered, so a numeric comparison operation involving one or two NaNs returns fa...