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How to get the first element of the List or Set? [duplicate]
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In Java >=8 you could also use the Streaming API:
Optional<String> first = set.stream().findFirst();
(Useful if the Set/List may be empty.)
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Switch statement for string matching in JavaScript
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You can't do it in a switch unless you're doing full string matching; that's doing substring matching. (This isn't quite true, as Sean points out in the comments. See note at the end.)
If you're happy that your regex at the top is stripping away everything that you don't want ...
MySQL offset infinite rows
...this value in an 32 bit integer. You have to make sure you store this as a string to ensure compatibility.
– AlicanC
Dec 7 '11 at 22:51
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What exactly is Type Coercion in Javascript?
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Uh oh. In JavaScript, + can mean add two numbers or concatenate two strings. In this case, we have neither two numbers nor two strings. We only have one number and an object. According to JavaScript's type rules, this makes no logical sense. Since it’s forgiving about you breaking its rules...
How do I concatenate multiple C++ strings on one line?
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#include <sstream>
#include <string>
std::stringstream ss;
ss << "Hello, world, " << myInt << niceToSeeYouString;
std::string s = ss.str();
Take a look at this Guru Of The Week article from Herb Sutter: The String Formatters of Ma...
Find location of a removable SD card
...ound here.
CODE:
public class ExternalStorage {
public static final String SD_CARD = "sdCard";
public static final String EXTERNAL_SD_CARD = "externalSdCard";
/**
* @return True if the external storage is available. False otherwise.
*/
public static boolean isAvailable(...
Java: Get last element after split
I am using the String split method and I want to have the last element.
The size of the Array can change.
12 Answers
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Find a value in an array of objects in Javascript [duplicate]
...n an array of named objects, and I need to get the object where "name" is "string 1". Here is an example array.
20 Answers
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How do I get a substring of a string in Python?
Is there a way to substring a string in Python, to get a new string from the third character to the end of the string?
13 A...
Creating an instance using the class name and calling constructor
...Class.forName(className);
Constructor<?> ctor = clazz.getConstructor(String.class);
Object object = ctor.newInstance(new Object[] { ctorArgument });
That will only work for a single string parameter of course, but you can modify it pretty easily.
Note that the class name has to be a fully-q...