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How to use PyCharm to debug Scrapy projects
I am working on Scrapy 0.20 with Python 2.7. I found PyCharm has a good Python debugger. I want to test my Scrapy spiders using it. Anyone knows how to do that please?
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How to create relationships in MySQL
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as ehogue said, put this in your CREATE TABLE
FOREIGN KEY (customer_id) REFERENCES customers(c...
The function to show current file's full path in mini buffer
I need to get the full path of the file that I'm editing with emacs.
12 Answers
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Keep file in a Git repo, but don't track changes
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Michael DurrantMichael Durrant
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Batch script to delete files
I have a batch script as follows.
5 Answers
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Java: how can I split an ArrayList in multiple small ArrayLists?
... LaraLara
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Does Android keep the .apk files? if so where?
...ed apps), etc. Note that you may or may not have permission to read these directories depending on your relationship with the other app; however, all apps are able to read the resource .apk (which is also the real .apk for non-forward-locked app).
If you are just poking around in the shell, curren...
uint8_t can't be printed with cout
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πάντα ῥεῖπάντα ῥεῖ
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jQuery validate: How to add a rule for regular expression validation?
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You can use the addMethod()
e.g
$.validator.addMethod('postalCode', function (value) {
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“No such file or directory” error when executing a binary
I was installing a binary Linux application on Ubuntu 9.10 x86_64. The app shipped with an old version of gzip (1.2.4), that was compiled for a much older kernel:
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