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Is there a destructor for Java?
...ave a look at the try-with-resources statement. For example:
try (BufferedReader br = new BufferedReader(new FileReader(path))) {
System.out.println(br.readLine());
} catch (Exception e) {
...
} finally {
...
}
Here the resource that is no longer needed is freed in the BufferedReader.close(...
What do 'statically linked' and 'dynamically linked' mean?
...k if the updates are incompatible - this is sometimes responsible for the dreaded "DLL hell" that some people mention in that applications can be broken if you replace a dynamically linked library with one that's not compatible (developers who do this should expect to be hunted down and punished sev...
Why would a static nested interface be used in Java?
... say this because I like to keep my classes short and to the point. Also a reader can see what other entities are related to a class by looking at the classes in the package. I'd probably have a package java.collections.map for maps. This is about OO and modularity. java.util has too much in it. uti...
Getting the first character of a string with $str[0]
...orter and is easier to remember than substr($str, 0, 1), this confuses who reads the code.
– trante
Nov 2 '13 at 10:13
10
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install / uninstall APKs programmatically (PackageManager vs Intents)
...rings up the standard Android install/remove dialogs. Those details have already been handled - I'm looking for the "just **** install this package" and "just **** remove this package" functions, literally no questions asked.
– dascandy
Oct 11 '11 at 7:37
...
How to create and write to a txt file using VBA
....WriteLine("Enter Text")
Console.WriteLine("")
SaveVar = Console.ReadLine
My.Computer.FileSystem.WriteAllText("N:\A-Level Computing\2017!\PPE\SaveFile\SaveData.txt", "Text: " & SaveVar & ", ", True)
Console.WriteLine("")
Console.WriteLine("File Saved")
Console.W...
Rails: where does the infamous “current_user” come from?
...
NOTE: If you're reading this answer, be sure to include return unless session[:user_id] as shown in Zach's answer -- without that, every if current_user check while signed out will trigger another database query.
– Drea...
What's the best mock framework for Java? [closed]
...annoying. Mockito removes this, also has a cleaner syntax as it looks like readability was one of its primary goals. I cannot stress enough how important this is, since most of developers will spend their time reading and maintaining existing code, not creating it.
Another nice thing is that inter...
How does a debugger work?
... how does a debugger work? Particulary the one that can be 'attached' to already running executable. I understand that compiler translates code to machine language, but then how does debugger 'know' what it is being attached to?
...
Difference between Statement and PreparedStatement
...SQL string, e.g. Date, Time, Timestamp, BigDecimal, InputStream (Blob) and Reader (Clob). On most of those types you can't "just" do a toString() as you would do in a simple Statement. You could even refactor it all to using PreparedStatement#setObject() inside a loop as demonstrated in the utility ...