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How to extract the hostname portion of a URL in JavaScript
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Obviously helpful for almost everyone except it does not answer the question which is how to extract host part out of URL. Funny the correct answer with getRootUrl function has only 17 vs 609 votes.
– Miro
Dec 12 '17 at ...
Immutability of Strings in Java
...really works) you can see that what it does is the following:
If there is one or more occurrences of oldChar in the current string, make a copy of the current string where all occurrences of oldChar are replaced with newChar.
If the oldChar is not present in the current string, return the current s...
How to solve “The specified service has been marked for deletion” error
...LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\{service name} exists.
Someone else is logged into the server and has one of the previously mentioned applications opened.
An instance of Visual Studio used to debug the service is open.
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Pagination in a REST web application
...sense that it is fluid, that the concept of page changes with the context; one user of your API may be a mobile app, that can consume only 2 products per page, while the other is a machine app that can consume the whole damn list. In short, page is a "representation" of the underlying domain entity ...
How to smooth a curve in the right way?
...oint in the center of the window. Finally the window is shifted forward by one data point and the process repeats. This continues until every point has been optimally adjusted relative to its neighbors. It works great even with noisy samples from non-periodic and non-linear sources.
Here is a thoro...
jquery's append not working with svg element?
... it won't work. I tried the exact same thing with two different libraries, one in jQuery and one in D3.js. I got exactly the same source output in HTML using both, but the jQuery-generated elements would not render while the D3-generated ones did! I recommend using D3: d3.select('body').append('svg'...
Using std Namespace
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Well, am surprised no one discussed about the option of using std::xxx;. It doesn't do namespace pollution, writing code will be shorter and I think copy is lot more readale than std::copy.
– legends2k
Feb 18...
How to get the insert ID in JDBC?
...GeneratedKeys() for this. You need to call it on the same Statement as the one being used for the INSERT. You first need to create the statement using Statement.RETURN_GENERATED_KEYS to notify the JDBC driver to return the keys.
Here's a basic example:
public void create(User user) throws SQLExce...
How to create EditText with rounded corners? [closed]
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There is an easier way than the one written by CommonsWare. Just create a drawable resource that specifies the way the EditText will be drawn:
<?xml version="1.0" encoding="utf-8"?>
<!-- res/drawable/rounded_edittext.xml -->
<shape xmlns:and...
How do you build a Singleton in Dart?
The singleton pattern ensures only one instance of a class is ever created. How do I build this in Dart?
15 Answers
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