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Square retrofit server mock for testing
...n the case if application is in DEBUG mode return given JSON.
RestClient.java
public final class RestClient {
private static IRestService mRestService = null;
public static IRestService getClient() {
if(mRestService == null) {
final OkHttpClient client = new OkHttpCl...
How do I get the first n characters of a string without checking the size or going out of bounds?
How do I get up to the first n characters of a string in Java without doing a size check first (inline is acceptable) or risking an IndexOutOfBoundsException ?
...
Length of string in bash
...n string length and byte length:
myvar='Généralités'
chrlen=${#myvar}
oLang=$LANG oLcAll=$LC_ALL
LANG=C LC_ALL=C
bytlen=${#myvar}
LANG=$oLang LC_ALL=$oLcAll
printf "%s is %d char len, but %d bytes len.\n" "${myvar}" $chrlen $bytlen
will render:
Généralités is 11 char len, but 14 bytes len....
How much faster is C++ than C#?
...
There is no strict reason why a bytecode based language like C# or Java that has a JIT cannot be as fast as C++ code. However C++ code used to be significantly faster for a long time, and also today still is in many cases. This is mainly due to the more advanced JIT optimizations being compl...
What is a StackOverflowError?
...
@JB King: Doesn't really apply to Java, where only primitive types and references are kept on the stack. All the big stuff (arrays and objects) is on the heap.
– jcsahnwaldt Reinstate Monica
Jan 23 '15 at 2:25
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Using Enums while parsing JSON with GSON
...gisterTypeAdapter(Type, Object).
Following is one such approach.
import java.io.FileReader;
import java.lang.reflect.Type;
import java.util.List;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeseria...
JUnit tests pass in Eclipse but fail in Maven Surefire
...ests -->
<excludes>
<exclude>**/IT*Test.java</exclude>
<exclude>**/integration/*Test.java</exclude>
</excludes>
</configuration>
<executions>
<execution>
<id>integration...
When should we call System.exit in Java
In Java, What is the difference with or without System.exit(0) in following code?
10 Answers
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How do I get currency exchange rates via an API such as Google Finance? [closed]
... Hi @Keyo, when i try the YQL sample u have provided within my java code which tries to read as a URL i get an IO Exception (Server returned HTTP response code: 400 for URL: query.yahooapis.com/v1/public/yql?q=select * from yahoo.finance.xchange where pair in ("USDEUR")&env=store://d...
Exact difference between CharSequence and String in java [duplicate]
...you pasted: simply compile that, and have a look at the JVM bytecode using javap -v. There you will notice that both obj and str are references to the same constant object. As a String is immutable, this kind of sharing is all right.
The + operator of String is compiled as invocations of various St...