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Difference between \n and \r?
...
Historically a \n was used to move the carriage down, while the \r was used to move the carriage back to the left side of the page.
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
... # define unique name of spider
name = "spider"
start_urls = ["https://www.url.de"]
def parse(self, response):
# initialize items
item = CrawlerItem()
# store data as items
item["js_enabled"] = response.body.decode("utf-8")
Optional Addon:
I wan...
How do I catch a PHP fatal (`E_ERROR`) error?
...o $e->getMessage(); // Call to a member function method() on string
}
https://3v4l.org/67vbk
Or you can use Throwable interface to catch all exceptions.
Example:
<?php
try {
undefinedFunctionCall();
} catch (Throwable $e) {
// Handle error
echo $e->getMe...
“Thinking in AngularJS” if I have a jQuery background? [closed]
...services and filters to help separate/organize your application.
See also https://stackoverflow.com/a/14346528/215945
Application design
One approach to designing an AngularJS application:
Think about your models. Create services or your own JavaScript objects for those models.
Think about how ...
CentOS 64 bit bad ELF interpreter
...ther instructions to fix this problem you'll find in this IBM's web page:
https://www-304.ibm.com/support/docview.wss?uid=swg21459143
Hope this helps for anybody trying to install that.
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Can't specify the 'async' modifier on the 'Main' method of a console app
...oint method will be translated to call GetAwaitor().GetResult().
Details: https://blogs.msdn.microsoft.com/mazhou/2017/05/30/c-7-series-part-2-async-main
EDIT:
To enable C# 7.1 language features, you need to right-click on the project and click "Properties" then go to the "Build" tab. There, clic...
How to create circle with Bézier curves?
...looked at the error curve that the given adjustment simply moves the point down by enough to cause the max error above the arc-line to equal the max error below the arc-line. Which is to say we change the curve a bit down so all the error isn't positive. This adjustment means that we're crossing the...
What is the fastest integer division supporting division by zero no matter what the result is?
...eUploader: {
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How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?
...is in pure js, the only thing you need is a browser that supports promises https://developer.mozilla.org/it/docs/Web/JavaScript/Reference/Global_Objects/Promise
For those who still needs to accomplish such, I've written my own solution that combines promises with timeouts.
Code:
/*
class: G...
Why doesn't django's model.save() call full_clean()?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...