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Determine if a String is an Integer in Java [duplicate]
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public static boolean isInteger(String s, int radix) {
Scanner sc = new Scanner(s.trim());
if(!sc.hasNextInt(radix)) return false;
// we know it starts with a valid int, now make sure
// there's nothing left!
sc.nextInt(radix);
return !sc.hasNext();
}
If best practices d...
Overriding superclass property with different type in Swift
... Instead you can create an extra variable in the subclass that handles the new class type:
class Chassis {}
class RacingChassis : Chassis {}
class Car {
var chassis = Chassis()
}
class RaceCar: Car {
var racingChassis = RacingChassis()
override var chassis: Chassis {
get {
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Best way to get application folder path
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edited Jul 19 '15 at 11:51
Peter Mortensen
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Generating a unique machine id
...IIRC, the "unique id" from the CPUID instruction is deprecated from P3 and newer.
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How to remove all the occurrences of a char in c++ string
...ter append is O(1) is enough memory is reserved, or O(current_length) if a new buffer is allocated. If you do output.reserve(str.size()) before the loop this never happens and you have a global O(n) cost. Otherwise asymptotically, I guess the cost is O(n . log(n) ) because of STL container reallocat...
.gitignore for PhoneGap/Cordova 3.0 projects - what should I commit?
I just tried to create a new phonegap 3.0 project... Note: I'm new to phonegap.
Anyways, I see the project folder contains:
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Retrieve a single file from a repository
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nhahtdh
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answered Aug 20 '13 at 9:23
Yisrael Dov...
Postgres: Distinct but only for one column
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f16913969%2fpostgres-distinct-but-only-for-one-column%23new-answer', 'question_page');
}
);
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What does passport.session() middleware do?
...only i dont want to store them in database dirctly
– Newbiee
Aug 4 '16 at 8:27
1
"in the request ...
Reflection generic get field value
...de I'm using:
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
Class<?> thisClass = null;
try {
thisClass = Class.forName(this.getClass().getName());
Field[] aClassFields = thisClass.getDeclaredFields();
sb.append(this.getClass...