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Why does the JavaScript need to start with “;”?
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edited May 9 '14 at 20:41
SQLMason
3,1492626 silver badges3939 bronze badges
answered Mar 20...
Why is \r a newline for Vim?
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157
From vim docs on patterns:
\r matches <CR>
\n matches an end-of-line -
W...
Cost of storing AMI
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112
You are only charged for the storage of the bits that make up your AMI, there are no charges f...
generate days from date range
...ops, procedures, or temp tables. The subquery generates dates for the last 10,000 days, and could be extended to go as far back or forward as you wish.
select a.Date
from (
select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a) + (1000 * d.a) ) DAY as Date
from (select 0 as a union al...
Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers
...umns to DataFrame constructor, as in:
>>> pd.DataFrame(data=data[1:,1:], # values
... index=data[1:,0], # 1st column as index
... columns=data[0,1:]) # 1st row as the column names
edit: as in the @joris comment, you may need to change above to np.int_(dat...
socket.emit() vs. socket.send()
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125
With socket.emit you can register custom event like that:
server:
var io = require('socket.i...
How to throw a C++ exception
... should always throw by value and catch by reference:
try {
compare( -1, 3 );
}
catch( const std::invalid_argument& e ) {
// do stuff with exception...
}
You can have multiple catch() statements after each try, so you can handle different exception types separately if you want.
Yo...
Django select only rows with duplicate field values
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193
Try:
from django.db.models import Count
Literal.objects.values('name')
.annota...
Split list into multiple lists with fixed number of elements
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214
I think you're looking for grouped. It returns an iterator, but you can convert the result to a...
Difference between $(document.body) and $('body')
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answered Sep 6 '12 at 19:36
Justin EthierJustin Ethier
119k4848 gold badges215215 silver badges272272 bronze badges
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