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How to detect if a function is called as constructor?
... a new instance of* x when calling x as a constructor is indistinguishable from a pre-existing instance of x passed as this when calling x as a function, unless you assign a property to every new object created by x as it is constructed:
function x(y) {
var isConstructor = false;
if (this i...
Sleeping in a batch file
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UPDATE
The timeout command, available from Windows Vista and onwards should be the command used, as described in another answer to this question. What follows here is an old answer.
Old answer
If you have Python installed, or don't mind installing it (it has oth...
Does using final for variables in Java improve garbage collection?
...ts are short-lived, the GC is more aggressive about freeing recent garbage from the young generation. If an object survives a collection cycle of the young generation, it gets moved into the old generation (sometimes referred to as the "tenured generation"), which is processed less frequently.
So, ...
How to get div height to auto-adjust to background size?
...tly do you mean? Once the image has downloaded, it is presumably cached. From that point, any other requests are based on a local copy. So, no. It is not downloaded twice. But, it is loaded twice.
– Tmac
Oct 22 '15 at 2:34
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How to lock orientation during runtime
...hat setRequestedOrientation wants - they are both int, but they are coming from different constant definitions.
Here's how to lock the current orientation, while allowing 180 degree flips
int currentOrientation = getResources().getConfiguration().orientation;
if (currentOrientation == Configuratio...
How can I correctly prefix a word with “a” and “an”?
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And if a noun is missing from this output, you can certainly fall back to the simple rule engine.
– John Fisher
Aug 17 '09 at 15:06
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Exotic architectures the standards committees care about
...for special handling of denormals in any context other than conversions to/from other types. Too bad C's printf messed everything up.
– supercat
Apr 30 '15 at 16:32
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What's the difference between session.Merge and session.SaveOrUpdate?
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This is from section 10.7. Automatic state detection of the Hibernate Reference Documentation:
saveOrUpdate() does the following:
if the object is already persistent in this session, do nothing
if another object associa...
What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
From MSDN's entry on Dictionary.TryGetValue Method :
10 Answers
10
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No @XmlRootElement generated by JAXB
I'm trying to generate Java classes from the FpML (Finanial Products Markup Language) version 4.5. A ton of code is generated, but I cannot use it. Trying to serialize a simple document I get this:
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