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Difference between BeautifulSoup and Scrapy crawler?
... manually put it inside an infinite loop with certain criteria.
In simple words, with Beautiful Soup you can build something similar to Scrapy.
Beautiful Soup is a library while Scrapy is a complete framework.
Source
share...
How to download image from url
...UriPartial.Path to get everything from the Scheme up to the Path.
In other words, https://www.example.com/image.png?query&with.dots becomes https://www.example.com/image.png.
After that, we use Path.GetExtension() to get only the extension (in my previous example, .png).
var uriWithoutQuery = ur...
Git will not init/sync/update new submodules
... pulling a commit that adds a previously non-existing submodule.
In other words, you follow a git clone of a project that has submodules (which you will know by the fact that the clone checked out a .gitmodules file) by a git submodule update --init --recursive.
You do not follow git submodule add...
How do I contribute to other's code in GitHub? [closed]
...base instead of merge, other than having the 'straight history' ? In other words, here's what I do when I contribute to some projects (after the PR from my feature branch has been merged to develop and to master branches): git checkout master; git pull; same for develop (where my feature branch was...
Is it possible to modify variable in python that is in outer, but not global, scope?
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Python 3.x has the nonlocal keyword. I think this does what you want, but I'm not sure if you are running python 2 or 3.
The nonlocal statement causes the listed identifiers to refer to
previously bound variables in the nearest enclosing scope. This...
XPath query to get nth instance of an element
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@rlandster: The word "precedence" may be confusing. The unabbreviated form of //input[@id='search_query'][2] is: /descendat-or-self::node()/child::input[attribute::id='search_query'][position()=2]
– user357812
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What is the difference between onPause() and onStop() of Android Activites?
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In concise words:
onStop() of previous activity life-cycle method is invoked when another activity is shown. When you have Dialogue on the top of activity, there onPause() is invoked.
Note: Activities are those components which fill ...
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
...tains more current information.
For MySQL < 5.7:
The default root password is blank (i.e. empty string) not root. So you can just login as:
mysql -u root
You should obviously change your root password after installation
mysqladmin -u root password [newpassword]
In most cases you should al...
Thread vs ThreadPool
...average 0.035ms to start where Threads took an average of 5.06ms. In other words Thread in the pool started about 300x faster for large numbers of short lived threads. At least in the tested range (100-2000) threads, the total time per thread seemed pretty constant.
This is the code that was bench...
Find and restore a deleted file in a Git repository
...isect run tells Git to automate bisection by running the command following word 'run' where the command must return 0 for a good version (see git help bisect for details). The '[ -e foo.bar ]' is a standard expression for testing if file foo.bar does exists (the implementation is usually in file /us...