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Escape regex special characters in a Python string
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edited Jun 20 at 9:12
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answered Nov 17 '10 at 8:13
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Add querystring parameters to link_to
... profile_path(@profile, :anchor => "wall")
#=> <a href="/profiles/1#wall">Comment wall</a>
link_to "Ruby on Rails search", :controller => "searches", :query => "ruby on rails"
#=> <a href="/searches?query=ruby+on+rails">Ruby on Rails search</a>
link_to "Nonse...
How can I remove 3 characters at the end of a string in php?
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691
Just do:
echo substr($string, 0, -3);
You don't need to use a strlen call, since, as noted in...
get list from pandas dataframe column
... cast it with list(x).
import pandas as pd
data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']),
'two': pd.Series([1, 2, 3, 4], index=['a', 'b', 'c', 'd'])}
df = pd.DataFrame(data_dict)
print(f"DataFrame:\n{df}\n")
print(f"column types:\n{df.dtypes}")
col_one_list = df['o...
What does “Splats” mean in the CoffeeScript tutorial?
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199
The term "splat operator" comes from Ruby, where the * character (sometimes called the "splat"...
What is android:weightSum in android, and how does it work?
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134
Per documentation, android:weightSum defines the maximum weight sum, and is calculated as the ...
How do I unset an element in an array in javascript?
...rray.
If you know the key you should use splice i.e.
myArray.splice(key, 1);
For someone in Steven's position you can try something like this:
for (var key in myArray) {
if (key == 'bar') {
myArray.splice(key, 1);
}
}
or
for (var key in myArray) {
if (myArray[key] == 'bar...
(Deep) copying an array using jQuery [duplicate]
...do deep copying, it is not suitable for multidimensional arrays:
var a =[[1], [2], [3]];
var b = a.slice();
b.shift().shift();
// a is now [[], [2], [3]]
Note that although I've used shift().shift() above, the point is just that b[0][0] contains a pointer to a[0][0] rather than a value.
Likew...
How to connect to my http://localhost web server from Android Emulator
...onnect it to my localhost web server page at http://localhost or http://127.0.0.1 ?
11 Answers
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