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Selecting the first “n” items with jQuery
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Though the :lt(20) approach looks much cleaner, using slice is much more efficient if you have a large result set to start with. Unfortunately, when evaluating ":lt" and other positional selectors, jQuery loops through the entire set, ev...
Correct way to detach from a container without stopping it
...launch your container via
docker start foo
(it will be detached by default)
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Is it possible to use “/” in a filename?
...@tchrist i prefer not to depend on unicode. so i would probably prefer a multi-character delimiter like ---. your delimeter choice can use a different character and vary the number of repetitions.
– Trevor Boyd Smith
Sep 14 '18 at 12:01
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how to add records to has_many :through association in rails
...n simply do this:
@cust = Customer.new(params[:customer])
@cust.houses << House.find(params[:house_id])
Or when creating a new house for a customer:
@cust = Customer.new(params[:customer])
@cust.houses.create(params[:house])
You can also add via ids:
@cust.house_ids << House.f...
How to use regex in String.contains() method in Java
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You can simply use matches method of String class.
boolean result = someString.matches("stores.*store.*product.*");
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Extract every nth element of a vector
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a <- 1:120
b <- a[seq(1, length(a), 6)]
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Find XOR of all numbers in a given range
...tty clever solution -- it exploits the fact that there is a pattern of results in the running XORs. The f() function calculates the XOR total run from [0, a]. Take a look at this table for 4-bit numbers:
0000 <- 0 [a]
0001 <- 1 [1]
0010 <- 3 [a+1]
0011 <- 0 [0]
0100 <- 4 [a]
010...
How to copy data from one table to another new table in MySQL?
...NTO Table1(Column1,Column2..) SELECT Column1,Column2.. FROM Table2 [WHERE <condition>]
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How do I get a file's directory using the File object?
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Thanks, fixed <!--->
– Jigar Joshi
Apr 6 '15 at 22:04
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Can you build dynamic libraries for iOS and load them at runtime?
...estion was asked, Dynamic libraries were not supported by iOS and will result in your app getting rejected. Only static libraries are allowed.
However, in iOS8 you can use dynamic libraries and frameworks. It should "just work"
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