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jQuery map vs. each
In jQuery, the map and each functions seem to do the same thing. Are there any practical differences between the two? When would you choose to use one instead of the other?
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__lt__ instead of __cmp__
...s ComparableMixin:
def __eq__(self, other):
return not self<other and not other<self
def __ne__(self, other):
return self<other or other<self
def __gt__(self, other):
return other<self
def __ge__(self, other):
return not self<other
def __le__(self, other):...
Internet Explorer 11 disable “display intranet sites in compatibility view” via meta tag not working
...website for over 6 months
were I have been using the below html5 doctype and edge compatibility meta tag to force Internet Explorer to not emulate an older browser version, and this has worked ok.
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Wait until all jQuery Ajax requests are done?
...for this purpose.
It accepts any number of Deferred objects as arguments, and executes a function when all of them resolve.
That means, if you want to initiate (for example) four ajax requests, then perform an action when they are done, you could do something like this:
$.when(ajax1(), ajax2(), a...
EditText, clear focus on touch outside
My layout contains ListView , SurfaceView and EditText . When I click on the EditText , it receives focus and the on-screen keyboard pops up. When I click somewhere outside of the EditText , it still has the focus (it shouldn't).
I guess I could set up OnTouchListener 's on the other views in...
How can I tell if my server is serving GZipped content?
I have a webapp on a NGinx server. I set gzip on in the conf file and now I'm trying to see if it works. YSlow says it's not, but 5 out of 6 websites that do the test say it is. How can I get a definite answer on this and why is there a difference in the results?
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Why is creating a Thread said to be expensive?
...a fair bit of work involved:
A large block of memory has to be allocated and initialized for the thread stack.
System calls need to be made to create / register the native thread with the host OS.
Descriptors need to be created, initialized and added to JVM-internal data structures.
It is also e...
What is the GAC in .NET?
...le without worrying about conflicts. No more DLL Hell. Each architecture and version gets it's own place to live.
It also gets it own way to browse it in Explorer, so if you go to
C:\Windows\assembly
In windows explorer it lists all the DLLs.
But if you fire up cmd, you can see how it's ...
Postgres: INSERT if does not exist already
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Postgres 9.5 (released since 2016-01-07) offers an "upsert" command, also known as an ON CONFLICT clause to INSERT:
INSERT ... ON CONFLICT DO NOTHING/UPDATE
It solves many of the subtle problems you can run into when using concurrent operation, which some other answers propose.
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Git blame — prior commits?
... Can you get a complete history, without having to re-enter the command several times with different hashes?
– Anders Zommarin
Feb 23 '11 at 22:59
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