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How do I check in JavaScript if a value exists at a certain array index?
... This would also do stuff if the array value exists but is 0, null, "", etc.
– thomasrutter
Apr 20 '10 at 3:51
Thom...
What is Java String interning?
...exists even without interning (since GC is non-deterministic to start with etc), but it makes it somewhat worse. It's always a good idea to use char[] instead of String for sensitive text and zero it out as soon as it's no longer needed.
– chris
Apr 26 '17 at 1...
C++ project organisation (with gtest, cmake and doxygen)
...nd TEST_F. Value- or Type-parameterised tests using TEST_P, TYPED_TEST_P, etc. aren't handled at all.
The problem doesn't have an easy solution that I know of. The most robust way to get a list of gtest cases is to execute the test exe with the flag --gtest_list_tests. However, this can only be ...
What exactly are DLL files, and how do they work?
...e binary files that can contain executable code and resources like images, etc. Unlike applications, these cannot be directly executed, but an application will load them as and when they are required (or all at once during startup).
Are they important?
Most applications will load the DLL files the...
Remove Server Response Header IIS7
... IIS sends 304 Not Modified header for static files (css / less / images / etc) as this does not reach the ASP.NET pipeline, so in this situation Server: Microsoft IIS/7.5 is still rendered
– Jano
Jul 11 '14 at 1:07
...
UTF-8 all the way through
...ument. However, if you're targeting older versions of HTML (XHTML, HTML4, etc.), these points may still be useful:
For HTML before HTML5 only: you want all data sent to you by browsers to be in UTF-8. Unfortunately, if you go by the only way to reliably do this is add the accept-charset attribute...
Most efficient way to create a zero filled JavaScript array?
...nsole.dir( Array(5) ). Notice that it doesn't have any properties 0, 1, 2, etc. But when you apply that unto the Array constructor, it's like saying Array(undefined, undefined, undefined, undefined, undefined). And you get an object that kinda looks like { length: 5, 0: undefined, 1: undefined...}. ...
Where does the .gitignore file belong?
...temporary file” naming pattern, your editor’s backup/temporary files, etc.). Accordingly, avoid putting “personal patterns” in tracked .gitignore file(s).
– Chris Johnsen
Apr 19 '11 at 4:01
...
Making custom right-click context menus for my web-app
...
Note: you might see some small bugs (dropdown far from the cursor, etc), please make sure that it works in the jsfiddle, as that's more similar to your webpage than StackSnippets might be.
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Referring to the null object in Python
...nd is used to control and test special conditions (e.g. boundaries, state, etc.). Such a value is called a sentinel and it can be used the way None is used as a signal. It's trivial to create a sentinel in Python.
undefined = object()
The undefined object above is unique and doesn't do much of anyt...