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How do I avoid capturing self in blocks when implementing an API?
... not sure the "correct" or recommended way to implement this type of scenario.
8 Answers
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Tool to convert Python code to be PEP8 compliant
...e yourself a cup of coffee this tool happily removes all those pesky PEP8 violations which don't change the meaning of the code.
Install it via pip:
pip install autopep8
Apply this to a specific file:
autopep8 py_file --in-place
or to your project (recursively), the verbose option gives you some f...
How do I enter RGB values into Interface Builder?
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Thanks for the tip! Random question, what software did you use to write over that screenshot? Nice addition.
– Sheehan Alam
Apr 2 '10 at 4:48
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Optimal number of threads per core
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If your threads don't do I/O, synchronization, etc., and there's nothing else running, 1 thread per core will get you the best performance. However that very likely not the case. Adding more threads usually helps, but after some point, they cause some performance deg...
Link vs compile vs controller
... you create a directive, you can put code into the compiler, the link function or the controller.
6 Answers
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Separate Back Stack for each tab in Android using Fragments
I'm trying to implement tabs for navigation in an Android app. Since TabActivity and ActivityGroup are deprecated I would like to implement it using Fragments instead.
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Android Camera : data intent returns null
I have an android application which contains multiple activities.
11 Answers
11
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MySQL复制的概述、安装、故障、技巧、工具 - 数据库(内核) - 清泛网 - 专注...
...安装
先在主服务器上创建复制账号：
mysql> GRANT REPLICATION SLAVE ON *.*
TO '<SLAVE_USER>'@'<SLAVE_HOST>'
IDENTIFIED BY '<SLAVE_PASSWORD>';
注：出于安全性和灵活性的考虑，不要把root等具有SUPER权限用户作为复制账号。
然后设置主...
How do I use a custom Serializer with Jackson?
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As mentioned, @JsonValue is a good way. But if you don't mind a custom serializer, there's no need to write one for Item but rather one for User -- if so, it'd be as simple as:
public void serialize(Item value, JsonGenerator jgen,
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When and why are database joins expensive?
I'm doing some research into databases and I'm looking at some limitations of relational DBs.
7 Answers
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