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Force point (“.”) as decimal separator in java
...
Use the overload of String.format which lets you specify the locale:
return String.format(Locale.ROOT, "%.2f", someDouble);
If you're only formatting a number - as you are here - then using NumberFormat would probably be more appropriate. But...
Declaring abstract method in TypeScript
... officially live.
abstract class Animal {
constructor(protected name: string) { }
abstract makeSound(input : string) : string;
move(meters) {
alert(this.name + " moved " + meters + "m.");
}
}
class Snake extends Animal {
constructor(name: string) { super(name); }
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What are sessions? How do they work?
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@Gab是好人 REFERRER usually means an arbitrary string that the client sends in the "Referer" HTTP request header. It should contain the URL of the resource that, you know, referred the client to the current resource.
– Luke404
Aug 8 ...
Find provisioning profile in Xcode 5
...following criteria to locate the profile:
<key>Name</key>
<string>iOS Team Provisioning Profile: *</string>
you can scan the directory using awk. This one-liner will find the first file that contains the name starting with "iOS Team".
awk 'BEGIN{e=1;pat="<string>"to...
How to create a MySQL hierarchical recursive query
... is only called to make sure this condition is always true, even if the pv string would for some reason yield a falsy value.
All in all, one may find these assumptions too risky to rely on. The documentation warns:
you might get the results you expect, but this is not guaranteed [...] the ord...
How can I convert immutable.Map to mutable.Map in Scala?
... immutable.Map(1->"one",2->"two")
val myMutableMap: mutable.Map[Int, String] = myImmutableMap.map(identity)(breakOut)
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Difference between class and type
...pe .
For example, should the object "Hello World!" belong to the type String or class String ? Or maybe both?
5 An...
Find() vs. Where().FirstOrDefault()
...nsole.Write; The sited example is using in-memory "Find" against a list of strings, not going against a DB with primary keys. Perhaps the statement translation of the Find clause - which omits the need to do lambda expression parsing is the reason for the performance improvement in this case. Agains...
Get type of all variables
...le numeric with L postfixed: integer
typeof("foobar") #A single string in double quotes: character
typeof(1) #a single numeric: double
typeof(list(5,6,7)) #a list of numeric: list
typeof(2i) #an imaginary number ...
How to get a reversed list view on a list in Java?
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Guava provides this: Lists.reverse(List)
List<String> letters = ImmutableList.of("a", "b", "c");
List<String> reverseView = Lists.reverse(letters);
System.out.println(reverseView); // [c, b, a]
Unlike Collections.reverse, this is purely a view... it doesn't a...