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Warn user before leaving web page with unsaved changes
...ou can do this by handling the beforeunload event and returning a non-null string:
window.addEventListener("beforeunload", function (e) {
var confirmationMessage = 'It looks like you have been editing something. '
+ 'If you leave before saving, your changes will be l...
sed: print only matching group
...
Also remember to add .* to the end of the regexp if the string you want to extract is not always at the end of the line.
– Teemu Leisti
Nov 22 '17 at 8:54
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How to percent-encode URL parameters in Python?
...
Python 2
From the docs:
urllib.quote(string[, safe])
Replace special characters in string
using the %xx escape. Letters, digits,
and the characters '_.-' are never
quoted. By default, this function is
intended for quoting the path section
of the U...
express.js - single routing handler for multiple routes in a single line
...to set the regex.
(bla|blabla) sets the regex to match, so it matches the strings bla and blablah.
? makes the entire regex optional, so it matches / as well.
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Differences between Html.TextboxFor and Html.EditorFor in MVC and Razor
...ould simply write a custom editor template (~/Views/Shared/EditorTemplates/string.cshtml) and all your textboxes in your application will automatically benefit from this change whereas if you have hardcoded Html.TextBoxFor you will have to modify it everywhere. You could also use Data Annotations to...
Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
... I do not know why it's so much slower. One possibility is that marshaling strings from native to Java may be faster on Android than native to C# is on Xamarin.
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“User interaction is not allowed” trying to sign an OSX app using codesign
...or the context is belongs
to. See auditon(2) for details.
UserName <string>
This optional key specifies the user to run the job as. This key is only
applicable for services that are loaded into the privileged system
domain.
GroupName <string>
This optional key specifies...
from jquery $.ajax to angular $http
...ost() method)
AngularJS will take care of converting JS objects into JSON string and setting headers (those are customizable)
Callback functions are named success and error respectively (also please note parameters of each callback) - Deprecated in angular v1.5
use then function instead.
More info...
Detect URLs in text with JavaScript
Does anyone have suggestions for detecting URLs in a set of strings?
13 Answers
13
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What is monkey patching?
...
def just_foo_cols(self):
"""Get a list of column names containing the string 'foo'
"""
return [x for x in self.columns if 'foo' in x]
pd.DataFrame.just_foo_cols = just_foo_cols # monkey-patch the DataFrame class
df = pd.DataFrame([list(range(4))], columns=["A","foo","foozball","bar"])...