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Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...rer :) I didn't realize the efficiency difference - that's very useful to know. Same for the hoisting effect - tricky, indeed. Thanks for such a great answer, I learned a lot from it!
– Leo
Dec 22 '10 at 11:09
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How to access property of anonymous type in C#?
...ng overdue for an update for C# 4:
dynamic d = o;
object v = d.Foo;
And now another alternative in C# 6:
object v = o?.GetType().GetProperty("Foo")?.GetValue(o, null);
Note that by using ?. we cause the resulting v to be null in three different situations!
o is null, so there is no object a...
What are metaclasses in Python?
...try.register(self, self.interfaces)
print "Would register class %s now." % self
def __add__(self, other):
class AutoClass(self, other):
pass
return AutoClass
# Alternatively, to autogenerate the classname as well as the class:
# return type(se...
foreach vs someList.ForEach(){}
.... e.g. a block of code for reading rows from a dataReader.
I still don't know exactly why they did this.
The drawbacks of list.ForEach() are:
It is more verbose in C# 2.0. However, in C# 3 onwards, you can use the "=>" syntax to make some nicely terse expressions.
It is less familiar. People ...
Rails DB Migration - How To Drop a Table?
I added a table that I thought I was going to need, but now no longer plan on using it. How should I remove that table?
22 ...
jQuery Ajax POST example with PHP
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Yes, I understand that now. But I found many examples that always put a $(document).ready block around so that the example is self-contained. I wrote the comment for a future user who may, like me, stumble on this and end-up reading the comment thr...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...- page is refreshed, or element is removed and re-added
element.click();
Now at the point where you're clicking the element, the element reference is no longer valid. It's close to impossible for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands...
Use tnsnames.ora in Oracle SQL Developer
...ra available at Drive:\oracle\product\10x.x.x\client_x\NETWORK\ADMIN
Now you can connect via the TNSnames options.
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SSH to Vagrant box in Windows?
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And then do that for every VM in Vagrant. You know, Vagrant works with multiple VM's. So, just use the proper solution, not workaround: there is my answer below. Small patch in Vagrant.
– Michael Field
Dec 4 '12 at 18:07
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Choosing Java vs Python on Google App Engine
... on the Appengine Issues page with XPath and XSLT in their titles -- right now there are only issues asking for specific libraries, and that's myopic: I don't really care HOW a good XPath/XSLT is implemented, for Python and/or for Java, as long as I get to use it. (Specific libraries may ease migrat...