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Difference between single quotes and double quotes in Javascript [duplicate]
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Only if you're writing RAW JSON. If you're writing a Javascript object, {key: 'value'} works exactly the same as {"key": "value"} and is a lot quicker to type.
– Orwellophile
Jun 16 '15 at 12:21
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How to generate random number with the specific length in python
...r of digits:
from random import randint
def random_with_N_digits(n):
range_start = 10**(n-1)
range_end = (10**n)-1
return randint(range_start, range_end)
print random_with_N_digits(2)
print random_with_N_digits(3)
print random_with_N_digits(4)
Output:
33
124
5127
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How do I find a “gap” in running counter with SQL?
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if there's a gap range, only the first row in the range will be returned for your postgres query.
– John Haugeland
Jan 3 '17 at 5:09
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How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?
...ce code and found that it's using DbCommand.CreateParameter to wrap up any raw values into parameters. So no SQL injection, and a nice succinct method invocation.
– Josh Gallagher
Nov 17 '11 at 11:52
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ActiveRecord OR query
..."column = ? or other_column = ?", value, other_value)
This also includes raw sql but I dont think there is a way in ActiveRecord to do OR operation. Your question is not a noob question.
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i...
How to retrieve an element from a set without removing it?
..., ListIndex, PopAdd, RandomSample, SetUnpacking],
{2**i: set(range(2**i)) for i in range(1, 20)},
argument_name='set size',
function_aliases={first: 'First'})
b.plot()
This plot clearly shows that some approaches (RandomSample, SetUnpacking and ListInde...
The SQL OVER() clause - when and why is it useful?
...The OVER clause is powerful in that you can have aggregates over different ranges ("windowing"), whether you use a GROUP BY or not
Example: get count per SalesOrderID and count of all
SELECT
SalesOrderID, ProductID, OrderQty
,COUNT(OrderQty) AS 'Count'
,COUNT(*) OVER () AS 'CountAll'
F...
Render a string in HTML and preserve spaces and linebreaks
...it will display the ' ' instead of the spaces, unless I use @Html.Raw(). Then I have to be concerned about xss and the user entering bad html. I could however encode the strings on insert so that I could be less concerned about that.
– Dan dot net
Feb ...
What are the mechanics of short string optimization in libc++?
...;
enum {__n_words = sizeof(__ulx) / sizeof(size_type)};
struct __raw
{
size_type __words[__n_words];
};
struct __rep
{
union
{
__long __l;
__short __s;
__raw __r;
};
};
__compressed_pair<__r...
Determining if a variable is within range?
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between? would need two parameters it would not allow range.
– Manish Nagdewani
Nov 16 '16 at 13:12
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