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How do I correctly clone a JavaScript object?
... edited Jul 12 '19 at 13:45
buræquete
12.5k44 gold badges3131 silver badges6262 bronze badges
answered Mar 2 '11 at 6:36
...
How to check for an active Internet connection on iOS or macOS?
...y via closures
let reachability = Reachability()!
reachability.whenReachable = { reachability in
if reachability.connection == .wifi {
print("Reachable via WiFi")
} else {
print("Reachable via Cellular")
}
}
reachability.whenUnreachable = { _ in
print("Not reachabl...
How to change Rails 3 server default port in develoment?
...n.rb, guarded with an if defined?(Rails::Server).
– XåpplI'-I0llwlg'I -
Aug 5 '15 at 10:13
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How do I get Pyflakes to ignore a statement?
...
Is this documented anywhere?
– Håken Lid
Apr 30 '19 at 11:12
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How to iterate through a DataTable
I need to iterate through a DataTable . I have an column there named ImagePath .
4 Answers
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SQL-Server: Error - Exclusive access could not be obtained because the database is in use
...ess and old db was left in SINGLE_USER mode.
– Smörgåsbord
Dec 21 '16 at 18:50
3
this worked fo...
Mean per group in a data.frame [duplicate]
...te(d[, 3:4], list(d$Name), mean)
Group.1 Rate1 Rate2
1 Aira 16.33333 47.00000
2 Ben 31.33333 50.33333
3 Cat 44.66667 54.00000
Here we aggregate columns 3 and 4 of data.frame d, grouping by d$Name, and applying the mean function.
Or, using a formula interface:
aggregate(. ~ ...
Reading a UTF8 CSV file with Python
...> w = unicodecsv.writer(f, encoding='utf-8')
>>> w.writerow((u'é', u'ñ'))
>>> f.seek(0)
>>> r = unicodecsv.reader(f, encoding='utf-8')
>>> row = r.next()
>>> print row[0], row[1]
é ñ
Python 3.X
In python 3 this is supported out of the box by the...
Save all files in Visual Studio project as UTF-8
... as the second parameter to ReadAllText to preserve my swedish characters (åäö).
– jesperlind
Aug 22 '11 at 23:25
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Grid of responsive squares
...__cell--4 {
flex-basis: 25%;
}
.square-grid__cell--3 {
flex-basis: 33.333%;
}
.square-grid__cell--2 {
flex-basis: 50%;
}
.square-grid__cell--1 {
flex-basis: 100%;
}
.square-grid {
display: flex;
flex-wrap: wrap;
justify-content: center;
}
.square-grid__cell {
backg...