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How to replace an item in an array with Javascript?
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var index = items.indexOf(3452);
if (index !== -1) {
items[index] = 1010;
}
Also it is recommend you not use the constructor method to initialize your arrays. Instead, use the literal syntax:
var items = [523, 3452, 334, 31, 5346];
You can also use the ~ operator if you are into terse Jav...
How to write log to file
..., err := os.OpenFile("testlogfile", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)
if err != nil {
log.Fatalf("error opening file: %v", err)
}
defer f.Close()
log.SetOutput(f)
log.Println("This is a test log entry")
Based on the Go docs, os.Open() can't work for log.SetOutput, because it opens ...
127 Return code from $?
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answered Nov 19 '09 at 13:08
OldskoolOldskool
31.8k77 gold badges4848 silver badges6464 bronze badges
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Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
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answered Dec 29 '11 at 10:08
NileshNilesh
16.8k1010 gold badges6565 silver badges113113 bronze badges
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Ternary operation in CoffeeScript
...us results in a value, you can just use if/else.
a = if true then 5 else 10
a = if false then 5 else 10
You can see more about expression examples here.
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Delete files older than 15 days using PowerShell
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10 Answers
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What is the purpose of Rank2Types?
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+50
Do not functions in Haskell already support polymorphic arguments?
They do, but only of rank 1. This means that while you can wri...
AngularJS $location not changing the path
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+50
I had a similar problem some days ago. In my case the problem was that I changed things with a 3rd party library (jQuery to be precise...
How can I use “:” as an AWK field separator?
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answered Apr 9 '10 at 17:33
Jürgen HötzelJürgen Hötzel
15.6k33 gold badges3636 silver badges5555 bronze badges
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How do I make a delay in Java?
...dScheduledExecutor();
executorService.scheduleAtFixedRate(App::myTask, 0, 1, TimeUnit.SECONDS);
}
private static void myTask() {
System.out.println("Running");
}
And in Java 7:
public static void main(String[] args) {
final ScheduledExecutorService executorService = Executors.newSing...