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MongoDB SELECT COUNT GROUP BY
...ier way to do it using aggregate:
db.contest.aggregate([
{"$group" : {_id:"$province", count:{$sum:1}}}
])
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Why can I use a function before it's defined in JavaScript?
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answered Feb 16 '17 at 6:32
NeginNegin
1,8371313 silver badges1919 bronze badges
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Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
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Thanks, doing print(requests.request.__doc__) in IPython is more of what I was looking for though. I was wondering what other optional arguments to request.get() there were.
– wordsforthewise
Oct 22 '17 at 21:16
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NSUserDefaults - How to tell if a key exists
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answered Feb 10 '11 at 19:32
mirapmirap
1,1681111 silver badges2222 bronze badges
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The required anti-forgery form field “__RequestVerificationToken” is not present Error in user Regis
...getting this error, putting in a rewrite rule to force all to https://{HTTP_HOST}/{R:1} fixed it
– user1069816
Mar 24 '16 at 15:30
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Can I find events bound on an element with jQuery?
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In modern versions of jQuery, you would use the $._data method to find any events attached by jQuery to the element in question. Note, this is an internal-use only method:
// Bind up a couple of event handlers
$("#foo").on({
click: function(){ alert("Hello") },
mous...
Swap key with value JSON
... ^
– Superlokkus
Jun 16 '17 at 19:32
@Superlokkus my best interpretation of that error output is that you're not tra...
ValidateRequest=“false” doesn't work in Asp.Net 4
I have a form at which I use ckeditor. This form worked fine at Asp.Net 2.0 and 3.5 but now it doesn't work in Asp.Net 4+. I have ValidateRequest="false" directive. Any suggestions?
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Unioning two tables with different number of columns
...in column orders. this example below produces an error:
create table test1_1790 (
col_a varchar2(30),
col_b number,
col_c date);
create table test2_1790 (
col_a varchar2(30),
col_c date,
col_b number);
select * from test1_1790
union all
select * from test2_1790;
ORA-01790: expression must have ...
What are C++ functors and their uses?
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Ziezi
5,81133 gold badges3232 silver badges4343 bronze badges
answered Dec 10 '08 at 19:15
Evgeny LazinEvgeny Lazin
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