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What Does This Mean in PHP -> or => [duplicate]
...type into a corresponding index of an array. The index can be associative (string based) or numeric.
$myArray = array(
0 => 'Big',
1 => 'Small',
2 => 'Up',
3 => 'Down'
);
The object operator, ->, is used in object scope to access methods and properties of an object....
Converting BigDecimal to Integer
...ge = new BigDecimal("10000000000000000000000000000000000000000000000")
String decimalAsBigIntString = decimal.toBigInteger().toString()
String hugeDecimalAsBigIntString = hugeDecimal.toBigInteger().toString()
String reallyHugeAsBigIntString = reallyHuge.toBigInteger().toString()
exp...
Utilizing multi core for tar+gzip/bzip compression/decompression
...r
tar -P --transform='s@/my/path/@@g' -cf - {} +
--transform is a simple string replacement parameter. It will strip the path of the files from the archive so the tarball's root becomes the current directory when extracting. Note that you can't use -C option to change directory as you'll lose bene...
Design by contract using assertions or exceptions? [closed]
...ulates a URL and is either Null or a valid URL. It is the conversion of a string into a URL that enforces the contract, and an exception is thrown if it is invalid. A method with a URL parameter is much clearer that a method with a String parameter and an assertion that specifies a URL.
...
What is a classpath and how do I set it?
...to go. I generally make sure my CLASSPATH environment variable is an empty string where I develop, whenever possible, so that I avoid global classpath issues (some tools aren't happy when the global classpath is empty though - I know of two common, mega-thousand dollar licensed J2EE and Java servers...
Shorthand way for assigning a single field in a record, while copying the rest of the fields?
...lds. In GHCi you can do --
> data Foo = Foo { a :: Int, b :: Int, c :: String } -- define a Foo
> let foo = Foo { a = 1, b = 2, c = "Hello" } -- create a Foo
> let updateFoo x = x { c = "Goodbye" } -- function to update Foos
> updateFoo foo ...
Cleaning `Inf` values from an R dataframe
...n, function(x) replace(x, is.infinite(x), : 'what' must be a character string or a function
– Hack-R
Feb 26 '16 at 15:59
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Android: Is it possible to display video thumbnails?
...use since API level 8 (2.2)
public static Bitmap createVideoThumbnail (String filePath, int kind)
Android documentation
The following code runs perfectly:
Bitmap bMap = ThumbnailUtils.createVideoThumbnail(file.getAbsolutePath(), MediaStore.Video.Thumbnails.MICRO_KIND);
...
How can I write a heredoc to a file in Bash script?
....
This line is indented.
EOF
Note that the final 'EOF' (The LimitString) should not have any whitespace in front of the word, because it means that the LimitString will not be recognized.
In a shell script, you may want to use indentation to make the code readable, however this can have t...
Can I add a custom attribute to an HTML tag?
...ibute, while is not already used for the current tag.
value: it's always a string containing what you need.
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