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Mimicking sets in JavaScript?
...bj = {};
// or create an object with some items already in it
var obj = {"1":true, "2":true, "3":true, "9":true};
Question 1: Is A in the list:
if (A in obj) {
// put code here
}
Question 2: Delete 'A' from the list if it's there:
delete obj[A];
Question 3: Add 'A' to the list if it wasn't a...
How to import multiple .csv files at once?
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13 Answers
13
Active
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Create an array or List of all dates between two dates [duplicate]
...
LINQ:
Enumerable.Range(0, 1 + end.Subtract(start).Days)
.Select(offset => start.AddDays(offset))
.ToArray();
For loop:
var dates = new List<DateTime>();
for (var dt = start; dt <= end; dt = dt.AddDays(1))
{
date...
How do I import CSV file into a MySQL table?
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19 Answers
19
Active
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Python Pandas merge only certain columns
Is it possible to only merge some columns? I have a DataFrame df1 with columns x, y, z, and df2 with columns x, a ,b, c, d, e, f, etc.
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sed or awk: delete n lines following a pattern
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192
I'll have a go at this.
To delete 5 lines after a pattern (including the line with the patter...
How to elegantly check if a number is within a range?
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157
There are a lot of options:
int x = 30;
if (Enumerable.Range(1,100).Contains(x))
//true
...
Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
...ext.
#element {
position: relative; /* optional */
width: 100px;
height: 100px;
background-color: blue;
}
#element::after {
content: "";
width: 150px;
height: 150px;
background-color: red;
/* create a new stacking context */
position: ab...
Following git-flow how should you handle a hotfix of an earlier release?
...:
git checkout 6.0
git checkout -b support/6.x
git checkout -b hotfix/6.0.1
... make your fix, then:
git checkout support/6.x
git merge hotfix/6.0.1
git branch -d hotfix/6.0.1
git tag 6.0.1
or using git flow commands
git flow support start 6.x 6.0
git flow hotfix start 6.0.1 support/6.x
......