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Check if an element is present in an array [duplicate]
...ed the polyfill)
var array = [0,1,2,3,4,5,6,7,8,9];
var result = 0;
var start = new Date().getTime();
for(var i = 0; i < 10000000; i++)
{
if(array.includes("test") === true){ result++; }
}
console.log(new Date().getTime() - start);
~ 1050 ms, indexOf
var array = [0,1,2,3,4,5,6,7,8,9];
...
How to change folder with git bash?
... @reubenjohn, using Console2 for console provides a setting "Startup dir". Btw this article describes to make the console Quake-style dropping down form top of the screen.
– Vorac
Apr 24 '14 at 8:27
...
Markdown to create pages and table of contents?
I started to use markdown to take notes.
35 Answers
35
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How do I run a batch file from my Java Application?
... to run them (i.e. cmd).
On UNIX, the script file has shebang (#!) at the start of a file to specify the program that executes it. Double-clicking in Windows is performed by Windows Explorer. CreateProcess does not know anything about that.
Runtime.
getRuntime().
exec("cmd /c start \"\" bu...
How do I find the time difference between two datetime objects in python?
...markcial: delorean misrepresents datetime, pytz approach e.g., the getting started code example could be written as d = datetime.now(timezone(EST)) (one readable line instead of five).
– jfs
Jan 10 '15 at 8:57
...
Fastest way(s) to move the cursor on a terminal command line?
...h and type option25 (in this case). The line will be displayed. Hit Tab to start editing at this point.
Use history expansion with the s/// modifier. E.g. !-2:s/--option25/--newoption/ would rerun the second-to-last command, but replace option25. To modify the last ./cmd command, use the !string syn...
RegEx: Smallest possible match or nongreedy match
...
Or search in reverse order, starting at the end, when matches are nested: "(ab(abk)bk)".
– LBogaardt
Jan 22 '16 at 10:19
...
Javascript - get array of dates between 2 dates
...date.setDate(date.getDate() + days);
return date;
}
function getDates(startDate, stopDate) {
var dateArray = new Array();
var currentDate = startDate;
while (currentDate <= stopDate) {
dateArray.push(new Date (currentDate));
currentDate = currentDate.addDays(1);
...
How to use a decimal range() step value?
... @deadcode The reason is that np.arange is defined to produce a range [start,stop) (i.e. excluding stop), so one would not expect 1.3 to be included in the list. See this question for why it is still included and what to do against it.
– dennis
Nov 16 '18 a...
How do you increase the max number of concurrent connections in Apache?
...m_concurrent_connections_or_increase_max_clients_in_apache
ServerLimit 16
StartServers 2
MaxClients 200
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
First of all, whenever an apache is started, it will start 2 child processes which is determined by StartServers parameter. Then each pr...