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Insert new item in array on any position in PHP
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Now I can add more elements before an INDEX
– Abbas
Apr 16 '18 at 5:41
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PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...on in CodeIgniter. CodeIgniter sends all requests to the main controller: index.php . However, I don't like to see index.php in the URI. For example, http://www.example.com/faq/whatever will route to http://www.example.com/index.php/faq/whatever . I need a reliable way for a script to know wha...
Selecting multiple columns in a pandas dataframe
..._ syntax (the []'s).
df1 = df[['a', 'b']]
Alternatively, if it matters to index them numerically and not by their name (say your code should automatically do this without knowing the names of the first two columns) then you can do this instead:
df1 = df.iloc[:, 0:2] # Remember that Python does not ...
How to get the index of an element in an IEnumerable?
...ily iterate over the contents. As such, there isn't really a concept of an index. What you are doing really doesn't make a lot of sense for an IEnumerable. If you need something that supports access by index, put it in an actual list or collection.
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How to get index of object by its property in JavaScript?
...turn -1 when not found so it follows the same construct as Array.prototype.indexOf()
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how to split the ng-repeat data with three columns using bootstrap
...">
<div class="column" ng-repeat="item in row">
{{($parent.$index*row.length)+$index+1}}. {{item}}
</div>
</div>
Order items vertically
1 4
2 5
3 6
Regarding vertical columns (list top to bottom) rather than horizontal (left to right), the exact implementation de...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...: <!-- language: c# --> public static string GetColumnName(int index) // zero-based { const byte BASE = 'Z' - 'A' + 1; string name = String.Empty; do { name = Convert.ToChar('A' + index % BASE) + name; index = index / BASE - 1; } while (index >= 0); return name;...
Creating an empty Pandas DataFrame, then filling it?
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Here's a couple of suggestions:
Use date_range for the index:
import datetime
import pandas as pd
import numpy as np
todays_date = datetime.datetime.now().date()
index = pd.date_range(todays_date-datetime.timedelta(10), periods=10, freq='D')
columns = ['A','B', 'C']
Note: we...
Split (explode) pandas dataframe string entry to separate rows
...','))
for _, row in a.iterrows()]).reset_index()
Out[55]:
index 0
0 a 1
1 b 1
2 c 1
3 d 2
4 e 2
5 f 2
Then you just have to rename the columns
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Reference list item by index within Django template?
... thing is that I can't say {{ data.foo }}, where foo is a variable with an index value in it and not a property name.
– Mike DeSimone
Jan 10 '11 at 23:06
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