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How to see log files in MySQL?
I've read that Mysql server creates a log file where it keeps a record of all activities - like when and what queries execute.
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How to convert Milliseconds to “X mins, x seconds” in Java?
...m.currentTimeMillis() when a user begins something in my program. When he finishes, I will subtract the current System.currentTimeMillis() from the start variable, and I want to show them the time elapsed using a human readable format such as "XX hours, XX mins, XX seconds" or even "XX mins, XX...
How to return dictionary keys as a list in Python?
... the dict_keys object to a list.
On the other hand, you should ask yourself whether or not it matters. The Pythonic way to code is to assume duck typing (if it looks like a duck and it quacks like a duck, it's a duck). The dict_keys object will act like a list for most purposes. For instance:
for ...
How to delete from a text file, all lines that contain a specific string?
How would I use sed to delete all lines in a text file that contain a specific string?
17 Answers
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
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该项目是麻省理工学院 App Inventor 2011 年 Google Summer of Code 活动的一部分。它描述了使用 Google Cardboard SDK 为 App Inventor 添加虚拟功能的实验。有两个演示项目可以作为未来实验的基础。
简介
人们对虚拟现实 (VR) 和增强现实 (A...
Programmer-friendly search engine? [closed]
Google is unfriendly to searching for verbatim strings with characters like $ and #. Is there a search engine that supports searching for verbatim strings?
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How to determine if a decimal/double is an integer?
How do I tell if a decimal or double value is an integer?
14 Answers
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How do you read CSS rule values with JavaScript?
I would like to return a string with all of the contents of a CSS rule, like the format you'd see in an inline style. I'd like to be able to do this without knowing what is contained in a particular rule, so I can't just pull them out by style name (like .style.width etc.)
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Postgres: SQL to list table foreign keys
Is there a way using SQL to list all foreign keys for a given table? I know the table name / schema and I can plug that in.
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