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Effects of changing Django's SECRET_KEY

... Edit: This answer is based on django 1.5 SECRET_KEY is used in a lot of various places, I'll point out what is impacted by it first and then try to go over that list and give precise explanation of the impact. The list of things using SECRET_KE...
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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize

... 164 Compatibility Guide for JDK 8 says that in Java 8 the command line flag MaxPermSize has been re...
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CSS table layout: why does table-row not accept a margin?

... Vadim Ovchinnikov 9,92644 gold badges3939 silver badges6969 bronze badges answered Apr 4 '13 at 0:09 MuffinTheManMuffinTheM...
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The type initializer for 'MyClass' threw an exception

... to the right issue. For me, it tried to tell me The input is not a valid Base-64 string as it contains a non-base 64 character for what a function was returning to a DataTable object, but for me, there was actually an underlying issue where I was calling an app.config parameter by the wrong name, ...
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What is the difference between BIT and TINYINT in MySQL?

... the column as a check box if they check the type and decide upon a format based on that. share | improve this answer | follow | ...
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame

...duces instances that have a particular structure originated in the NDFrame base class, itself derived from the PandasContainer base class that is also a parent class of the Series class. Note that this is correct for Pandas until version 0.12. In the upcoming version 0.13, Series will derive also f...
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How to make CSS3 rounded corners hide overflow in Chrome/Opera

...ilden. overflow: hidden works in simple situations, but breaks in webkit based browsers and Opera when the parent is positioned relatively or absolutely. ...
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Intel SMID指令集编译错误: inlining failed in call to always_inline \'x...

...CPU指令集优化代码的时候,编译出错,报错如下: usr lib64 gcc x86_64-suse-linux 7 include avx2intrin h:252:1: error: inlining failed in call to always_i 最近在使用CPU指令集优化代码的时候,编译出错,报错如下: /usr/lib64/gcc/x86_64-suse-linux/7/includ...
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SQL SELECT speed int vs varchar

... Some rough benchmarks: 4 million records in Postgres 9.x Table A = base table with some columns Table B = Table A + extra column id of type bigint with random numbers Table C = Table A + extra column id of type text with random 16-char ASCII strings Results on 8GB RAM, i7, SSD laptop: Siz...
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When are you truly forced to use UUID as part of the design?

...dom - there are major components of the UUID that are time and/or location-based. So to have any real chance at a collision, the colliding UUIDs need tobe generated at the exact same time from different UUID generators. I'd say that while there is a reasonable chance that several UUID's might be ge...