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How to insert an item into an array at a specific index (JavaScript)?
...at you want is the splice function on the native array object.
arr.splice(index, 0, item); will insert item into arr at the specified index (deleting 0 items first, that is, it's just an insert).
In this example we will create an array and add an element to it into index 2:
var arr = [];
arr...
Is there a splice method for strings?
...is faster to slice the string twice, like this:
function spliceSlice(str, index, count, add) {
// We cannot pass negative indexes directly to the 2nd slicing operation.
if (index < 0) {
index = str.length + index;
if (index < 0) {
index = 0;
}
}
return str.slice(0, ...
Find the files existing in one directory but not in the other [closed]
...h directories.
Another good way to do the job is using git
git diff --no-index dir1/ dir2/
Best regards!
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edited Oct 7 '17 at 0:49
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How to get the index of an item in a list in a single step?
How can I find the index of an item in a list without looping through it?
7 Answers
7
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Base64 encoding in SQL Server 2005 T-SQL
...p/scptutl/sa306.htm
so has this method:
http://www.vbforums.com/showthread.php?t=554886
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How can I strip HTML tags from a string in ASP.NET?
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If it is just stripping all HTML tags from a string, this works reliably with regex as well. Replace:
<[^>]*(>|$)
with the empty string, globally. Don't forget to normalize the string afterwards, replacing:
[\s\r\n]+
with a single spa...
What's the difference between a temp table and table variable in SQL Server?
...them:
Temporary Tables are real tables so you can do things like CREATE INDEXes, etc. If you have large amounts of data for which accessing by index will be faster then temporary tables are a good option.
Table variables can have indexes by using PRIMARY KEY or UNIQUE constraints. (If you want a ...
Add missing dates to pandas dataframe
...
You could use Series.reindex:
import pandas as pd
idx = pd.date_range('09-01-2013', '09-30-2013')
s = pd.Series({'09-02-2013': 2,
'09-03-2013': 10,
'09-06-2013': 5,
'09-07-2013': 1})
s.index = pd.Date...
Add one row to pandas DataFrame
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You can use df.loc[i], where the row with index i will be what you specify it to be in the dataframe.
>>> import pandas as pd
>>> from numpy.random import randint
>>> df = pd.DataFrame(columns=['lib', 'qty1', 'qty2'])
>>> for i i...
“for loop” with two variables? [duplicate]
...you would want (since it is impossible for there to be the same element at index 9 when one of the lists is only 5 elements long). If that is what you want, go with this:
def equal_elements(t1, t2):
return [x for x, y in zip(t1, t2) if x == y]
This will return a list containing only the elem...