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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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Implementing comparison operators via 'tuple' and 'tie', a good idea?
... variable names. Even if I myself created that typedef , I won't remember 2 days later what first and what second exactly was, especially if they are both of the same type. This gets even worse for more than two members, as nesting pair s pretty much sucks.
The other option for that is a tu...
How can I make a multipart/form-data POST request using Java?
..., making a multipart/form-data POST request was possible ( an example from 2004 ). Unfortunately this is no longer possible in version 4.0 of HttpClient .
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What's the purpose of the LEA instruction?
... already in EBX, and variable i is in EAX, and xcoord and ycoord are each 32 bits (so ycoord is at offset 4 bytes in the struct), this statement can be compiled to:
MOV EDX, [EBX + 8*EAX + 4] ; right side is "effective address"
which will land y in EDX. The scale factor of 8 is because each Po...
Count, size, length…too many choices in Ruby?
...ke an element or predicate and count only those items that match.
> [1,2,3].count{|x| x > 2 }
=> 1
In the case where you don't provide a parameter to count it has basically the same effect as calling length. There can be a performance difference though.
We can see from the source code...
What's your favorite “programmer” cartoon?
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Disable spell checking on IntelliJ IDEA
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Naman
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answered Feb 19 '10 at 18:41
user277236user2...
Hello World in Python [duplicate]
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edited Sep 7 '12 at 6:19
Christian.K
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Are nested transactions allowed in MySQL?
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JQuery string contains check [duplicate]
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You can use javascript's indexOf function.
var str1 = "ABCDEFGHIJKLMNOP";
var str2 = "DE...