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Why is processing a sorted array slower than an unsorted array?
...t, thank you very much! I made an equivalent Tuple struct, and the program started behaving the way I predicted: the sorted version was a little faster. Moreover, the unsorted version became twice as fast! So the numbers with struct are 2s unsorted vs. 1.9s sorted.
– dasblinken...
How to convert an int value to string in Go?
... edited Dec 27 '19 at 23:35
StartupGuy
5,72511 gold badge2929 silver badges3737 bronze badges
answered May 31 '16 at 10:04
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How do I change the IntelliJ IDEA default JDK?
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To change the JDK version of the Intellij-IDE himself:
Start the IDE -> Help -> Find Action
than type:
Switch Boot JDK
or (depend on your version)
Switch IDE boot JDK
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Where does Scala look for implicits?
...ou make an Ordering for your own class that is automatically found?
Let's start with the implementation:
class A(val n: Int)
object A {
implicit val ord = new Ordering[A] {
def compare(x: A, y: A) = implicitly[Ordering[Int]].compare(x.n, y.n)
}
}
So, consider what happens when yo...
Getting the names of all files in a directory with PHP
...t . .. and .DS_Store, Well we can't use them so let's us hide them.
First start get all information about the files, using scandir()
// Folder where you want to get all files names from
$dir = "uploads/";
/* Hide this */
$hideName = array('.','..','.DS_Store');
// Sort in ascending order - t...
How can I toggle word wrap in Visual Studio?
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Look for the little icon on the very right-hand side of the toolbar that starts with the text "Show output from:" in it. It looks like a small window with a carriage return icon. When you hover over it Visual Studio should display "Toggle Word Wrap" near your mouse pointer.
Click that icon.
Y...
How can I get System variable value in Java?
... System.getProperties(). These variables can be initialized when the VM is started using a series -Dname=value command line arguments. For example, the values for the properties maxInMemory and pagingDirectory are set in the command below:
C:\> java.exe -DmaxInMemory=100M -DpagingDirectory=c:\t...
converting CSV/XLS to JSON? [closed]
...;
// Get the first Sheet.
Sheet sheet = workbook.getSheetAt( 0 );
// Start constructing JSON.
JSONObject json = new JSONObject();
// Iterate through the rows.
JSONArray rows = new JSONArray();
for ( Iterator<Row> rowsIT = sheet.rowIterator(); rowsIT.hasNext(); )
{
...
Xcode stuck on Indexing
... This fixed it for me. I had a Docker container running with "make start" in the background.
– Devin Young
Feb 4 '16 at 11:24
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YYYY-MM-DD format date in shell script
...nt date, bash >=4.3 defaults to current time if not provided
# -2 -> start time for shell
printf -v date '%(%Y-%m-%d)T\n' -1
# put current date as yyyy-mm-dd HH:MM:SS in $date
printf -v date '%(%Y-%m-%d %H:%M:%S)T\n' -1
# to print directly remove -v flag, as such:
printf '%(%Y-%m-%d)T\n' -...