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What do I need to read to understand how git works? [closed]
I would like to understand the way git works from a architects point of view. How are files stored, how are versions kept and how do changes happen (branches, merges, etc.)?
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How do I write outputs to the Log in Android?
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Look into android.util.Log. It lets you write to the log with various log levels, and you can specify different tags to group the output.
For example
Log.w("myApp", "no network");
will output a warning with the tag myApp a...
How do I escape a single quote?
...HTML entities:
' for '
" for "
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For more, you can take a look at Character entity references in HTML.
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Get value from SimpleXMLElement Object
I have something like this:
12 Answers
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Does java have a int.tryparse that doesn't throw an exception for bad data? [duplicate]
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No. You have to make your own like this:
boolean tryParseInt(String value) {
try {
Integer.parseInt(value);
return true;
} catch (NumberFormatException e) {
return false;
}
}
...an...
Error message 'java.net.SocketException: socket failed: EACCES (Permission denied)'
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What's the best practice for primary keys in tables?
...s, I've developed a habit of having one column that is unique and that I make the primary key. This is achieved in three ways depending on requirements:
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What does Class mean in Java?
...Java language used to introspect itself): https://www.oracle.com/technetwork/articles/java/javareflection-1536171.html
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Why is Linux called a monolithic kernel?
I read that Linux is a monolithic kernel. Does monolithic kernel mean compiling and linking the complete kernel code into an executable?
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Hibernate Annotations - Which is better, field or property access?
...r I need.
Here's an example:
@Entity
public class Person {
@Column("nickName")
public String getNickName(){
if(this.name != null) return generateFunnyNick(this.name);
else return "John Doe";
}
}
Besides, if you throw another libs into the mix (like some JSON-converting lib or Bea...