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Conventions for exceptions or error codes
...ult behaviour of an exception is to unwind the stack and stop the program, if I'm writing a script an and I go for a key that's not in a dictionary it's probably an error, and I want the program to halt and let me know all about that.
If, however, I'm writing a piece of code which I must know the ...
SQL Server - When to use Clustered vs non-Clustered Index?
I know primary differences between clustered and non clustered indexes and have an understanding of how they actually work. I understand how clustered and non-clustered indexes improve read performance. But one thing I am not sure is that what would be the reasons where I would choose one over the o...
Log4net does not write the log in the log file
...owing line: log4net.Config.BasicConfigurator.Configure(); Do I call this if I use the c# configuration instead of web.config to configure log4net? Is this "Configure"-Method call in any way required because in many tutorials I didn't find this line of code.
– john84
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How do I write a “tab” in Python?
... spaces on pressing tab. " " is a tab " " is a space. You may not see the difference here, but open up Word/Libre and you will see the difference.
– Sativa
Apr 18 '18 at 10:38
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Eclipse - Unable to install breakpoint due to missing line number attributes
....4.1, SUN JVM1.6.0_07 connected to Tomcat 6.0 (running in debug-mode on a different machine, Sun JVM1.6.0_16, the debug connection did work correctly).
Window --> Preferences --> Java --> Compiler --> Classfile Generation: "add line number attributes to generated class file" was checked...
When and why to 'return false' in JavaScript?
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This is particularly good if you want an AJAX form that submits without reloading the page - but also works by submitting and reloading the page when javascript is not available.
– Dean Rather
May 13 '09 at 1:50
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Find all files with a filename beginning with a specified string?
... it, and I want to perform some function on all files beginning with a specified string, which may match tens of thousands of files.
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How to skip “are you sure Y/N” when deleting files in batch files
I can't for the life of me remember how to bypass the annoying prompt are you sure? Y/N when deleting files.
4 Answers
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Stack Memory vs Heap Memory [duplicate]
... heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporary and heap memory is permanent.
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Java: splitting a comma-separated string but ignoring commas in quotes
...blurb"
> d;junk="quux,syzygy"
In other words: split on the comma only if that comma has zero, or an even number of quotes ahead of it.
Or, a bit friendlier for the eyes:
public class Main {
public static void main(String[] args) {
String line = "foo,bar,c;qual=\"baz,blurb\",d;jun...