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Detecting 'stealth' web-crawlers

...h were then updated automatically as needed by checking claimed user-agent strings and, if the client claimed to be a legitimate spider but not on the whitelist, it performed DNS/reverse-DNS lookups to verify that the source IP address corresponds to the claimed owner of the bot. As a failsafe, the...
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Transport endpoint is not connected

...s caused by my having more than one Veracrypt device mounted. I closed the extra device and suddenly I had access to the drive. Hmm.. share | improve this answer | follow ...
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Vim: What's the difference between let and set?

...ption} Toggle option: set, switch it on. Number option: show value. String option: show value. This doesn't agree with what you have here, when you say 'will set the default value for option wrap'. ?? – Elliptical view Jul 13 at 22:24 ...
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is not JSON serializable

...er asked me to return the exact JSON format data instead of a json-encoded string to her. Below is the solution.(This will return an object that can be used/viewed straightly in the browser) import json from xxx.models import alert from django.core import serializers def test(request): alert_...
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Difference between / and /* in servlet mapping url pattern

...*.jsp. <url-pattern></url-pattern> Then there's also the empty string URL pattern . This will be invoked when the context root is requested. This is different from the <welcome-file> approach that it isn't invoked when any subfolder is requested. This is most likely the URL patter...
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Approximate cost to access various caches and main memory?

...xample, check page 22 for some timings & cycles for example). Additionally, this page has some details on clock cycles etc. The second link served the following numbers: Core i7 Xeon 5500 Series Data Source Latency (approximate) [Pg. 22] local L1 CACHE hit, ...
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How to make a div grow in height while having floats inside

... Clearfix is extra markup. Simply give the parent div the markup overflow: auto; – JakeParis Jan 5 '11 at 13:59 a...
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Scala type programming resources

...programming, the computation occurs at compile time. I will try to draw parallels between programming at the value-level and programming at the type-level. Paradigms There are two main paradigms in type-level programming: "object-oriented" and "functional". Most examples linked to from here follow...
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NOT using repository pattern, use the ORM as is (EF)

... The more I started digging I started asking myself the question: "Do I really need it?" 9 Answers ...
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Pass a parameter to a fixture function

... through the tester fixture. I had a similar problem--I have a fixture called test_package, and I later wanted to be able to pass an optional argument to that fixture when running it in specific tests. For example: @pytest.fixture() def test_package(request, version='1.0'): ... request....