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When is a function too long? [closed]
...e standard API isn't always a model of elegance. Furthermore, much of the Java API was developed with an intimate knowledge of the Java Compiler and JVM, hence you have performance considerations that may explain it. I concede that critical sections of code that can not waste a single millisecond ...
Finding all objects that have a given property inside a collection [duplicate]
...g memory reference locations, refer to: stackoverflow.com/questions/767372/java-string-equals-versus
– user785262
Jun 1 '12 at 20:14
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How to get the insert ID in JDBC?
...ord in a database (which is Microsoft SQL Server in my case) using JDBC in Java. At the same time, I want to obtain the insert ID. How can I achieve this using JDBC API?
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java.lang.IllegalStateException: The specified child already has a parent
I am using fragments, when I instantiate a fragment the first time it it. but the second time I got this exception. I couldn't find the line where I got the error?
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Using two values for one switch case statement
... SwitchFallThrough {
public static void main(String[] args) {
java.util.ArrayList<String> futureMonths =
new java.util.ArrayList<String>();
int month = 8;
switch (month) {
case 1: futureMonths.add("January");
case 2: fu...
builder for HashMap
Guava provides us with great factory methods for Java types, such as Maps.newHashMap() .
15 Answers
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Dump Mongo Collection into JSON format
...ay to dump mongo collection into json format? Either on the shell or using java driver.I am looking for the one with best performance.
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What is Gradle in Android Studio?
...s the picture. The build system automatically takes all the source files (.java or .xml), then applies the appropriate tool (e.g. takes java class files and converts them to dex files), and groups all of them into one compressed file, our beloved APK.
This build system uses some conventions: an exa...
Pointers in Python?
...e great static v. dynamic debate. If they were two references to the same Java ArrayList, it would be the same, modulo syntax. If you use immutable objects (like tuples), you don't have to worry about the object being changed through another reference.
– Matthew Flaschen
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
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Your app is in Java I take it? Try invoking Java with the file-encoding parameter specifying UTF-8, e.g. java -Dfile.encoding=UTF-8 or add an appropriate switch in your Tomcat (etc.) config file.
– Eric J.
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