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Suppress Scientific Notation in Numpy When Creating Array From Nested List
... tiny med large
a = np.array([1.01e-5, 22, 1.2345678e7]) #notice how index 2 is 8
#digits wide
print(a) #prints [ 0.0000101 22. 12345678. ]
However if you pass in a number greater than 8 characters wide, exponential notation is imposed aga...
How can I access and process nested objects, arrays or JSON?
...const value = arr[5]; // arr.5 would be a syntax error
// property name / index as variable
const x = 5;
const value = arr[x];
Wait... what about JSON?
JSON is a textual representation of data, just like XML, YAML, CSV, and others. To work with such data, it first has to be converted to JavaScri...
Disable all table constraints in Oracle
...
Primary keys cannot be disabled on index-organized tables. You can handle these by adding AND NOT (t.iot_type IS NOT NULL AND c.constraint_type = 'P') to the first code segment.
– Andrew Miller
May 7 '15 at 15:15
...
In Python, when to use a Dictionary, List or Set?
... and x not in l
l[i], l[i:j], l[i:j:k]
len(l), min(l), max(l)
l.count(x)
l.index(x[, i[, j]]) - index of the 1st occurrence of x in l (at or after i and before j indeces)
A list also implements all of the mutable sequence operations:
l[i] = x - item i of l is replaced by x
l[i:j] = t - slice of ...
Using varchar(MAX) vs TEXT on SQL Server
...regard to if you should use LIKE to search, or if you should use Full Text Indexing and CONTAINS. This question is the same regardless of VARCHAR(MAX) or TEXT.
If you are searching large amounts of text and performance is key then you should use a Full Text Index.
LIKE is simpler to implement and ...
MongoDB Aggregation: How to get total records count?
... { $group: { _id: null, count: { $sum: 1 } } }
] ).map(function(record, index){
print(index);
});
The aggregate will return the array so just loop it and get the final index .
And other way of doing it is:
var count = 0 ;
db.collection.aggregate([
{ $match : { score : { $gt : 70, $lt...
MySQL Cannot Add Foreign Key Constraint
...
mysql> create unique index index_bar_id on foos(bar_id); ... mysql> alter table foos add constraint index_bar_id foreign key (bar_id) references bars (id); sixarm.com/about/…
– CookieCoder
Dec 17 ...
Heatmap in matplotlib with pcolor?
...pen("http://datasets.flowingdata.com/ppg2008.csv")
nba = pd.read_csv(page, index_col=0)
# Normalize data columns
nba_norm = (nba - nba.mean()) / (nba.max() - nba.min())
# Sort data according to Points, lowest to highest
# This was just a design choice made by Yau
# inplace=False (default) ->tha...
“Single-page” JS websites and SEO
...ngine crawler or a user with JavaScript enabled, should all be able to use/index/understand your site's core functionality without issue.
pushState does not add to this burden, in my experience. It only brings what used to be an afterthought and "if we have time" to the forefront of web developmen...
How to delete an element from an array in C#
...
If you want to remove all instances of 4 without needing to know the index:
LINQ: (.NET Framework 3.5)
int[] numbers = { 1, 3, 4, 9, 2 };
int numToRemove = 4;
numbers = numbers.Where(val => val != numToRemove).ToArray();
Non-LINQ: (.NET Framework 2.0)
static bool isNotFour(int n)
{
...