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Android: alternate layout xml for landscape mode
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218
By default, the layouts in /res/layout are applied to both portrait and landscape.
If you have...
(Deep) copying an array using jQuery [duplicate]
...do deep copying, it is not suitable for multidimensional arrays:
var a =[[1], [2], [3]];
var b = a.slice();
b.shift().shift();
// a is now [[], [2], [3]]
Note that although I've used shift().shift() above, the point is just that b[0][0] contains a pointer to a[0][0] rather than a value.
Likew...
Use StringFormat to add a string to a WPF XAML binding
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answered Oct 9 '13 at 17:22
Reed CopseyReed Copsey
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Postgres unique constraint vs index
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136
I had some doubts about this basic but important issue, so I decided to learn by example.
Let...
MongoDB: How to query for records where field is null or not set?
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171
If the sent_at field is not there when its not set then:
db.emails.count({sent_at: {$exists: ...
Rails find record with zero has_many records associated [duplicate]
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129
Bah, found it here: https://stackoverflow.com/a/5570221/417872
City.includes(:photos).where(p...
Scala list concatenation, ::: vs ++
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Legacy. List was originally defined to be functional-languages-looking:
1 :: 2 :: Nil // a list
list1 ::: list2 // concatenation of two lists
list match {
case head :: tail => "non-empty"
case Nil => "empty"
}
Of course, Scala evolved other collections, in an ad-hoc manner....
How to read the mode field of git-ls-tree's output
...The following flags are defined for the st_mode field:
S_IFMT 0170000 bit mask for the file type bit fields
S_IFSOCK 0140000 socket
S_IFLNK 0120000 symbolic link
S_IFREG 0100000 regular file
S_IFBLK 0060000 block device
S_IFDIR 0...
Spring .properties file: get element as an Array
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189
If you define your array in properties file like:
base.module.elementToSearch=1,2,3,4,5,6
Y...
How do I negate a condition in PowerShell?
...ot the most readable/understandable method.
if ((test-path C:\code) -bxor 1) {write "it doesn't exist!"}
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