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How to add months to a date in JavaScript? [duplicate]
... myDate2 = new Date("01/31/2011");
var result2 = myDate2.addMonths(1);
->> newDate.addMonths -> mydate.addMonths
result1 = "Feb 29 2012"
result2 = "Feb 28 2011"
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Check if item is in an array / list
... 5 is in nums in Python 3.X:
(len(list(filter (lambda x : x == 5, nums))) > 0)
Check whether 5 is in nums in Python 2.7:
(len(filter (lambda x : x == 5, nums)) > 0)
This solution is more robust. You can now check whether any number satisfying a certain condition is in your array nums.
For e...
Can't stop rails server
...
1. Simply Delete the pid file from rails app directory
Rails_app -> tmp -> pids -> pid file
Delete the file and run
rails start
2. For Rails 5.0 and above, you can use this command
rails restart
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difference between Product Backlog Item and Feature in Team Foundation work item types
...
There is a new guidance page for Visual Studio 2015, ALM > Work > Scale > Portfolio management
– JohnC
Nov 23 '15 at 20:04
...
C# code to validate email address
...s) is null.
public static bool IsValidEmailAddress(this string address) => address != null && new EmailAddressAttribute().IsValid(address);
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...
Get position of UIView in respect to its superview's superview
...s:
static func getConvertedPoint(_ targetView: UIView, baseView: UIView)->CGPoint{
var pnt = targetView.frame.origin
if nil == targetView.superview{
return pnt
}
var superView = targetView.superview
while superView != baseView{
pnt = superView!.convert(pnt, to...
Passport.js - Error: failed to serialize user into session
...erializeUser & deserializeUser:
passport.serializeUser((user, done) => {
done(null, user.id);
});
passport.deserializeUser((id, done) => {
// console.log(`id: ${id}`);
User.findById(id)
.then((user) => {
done(null, user);
})
.catch((error) => {
console...
How to take MySQL database backup using MySQL Workbench?
...
Sever > Data Export
Select database, and start export
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follow
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How to select first and last TD in a row?
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and whats the difference between tr > td and tr td?
– clarkk
Aug 29 '11 at 10:23
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How do you delete all text above a certain line
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Providing you know these vim commands:
1G -> go to first line in file
G -> go to last line in file
then, the following make more sense, are more unitary and easier to remember IMHO:
d1G -> delete starting from the line you are on, to the first line of file
...