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Rails :include vs. :joins
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180
It appears that the :include functionality was changed with Rails 2.1. Rails used to do the j...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
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581
They take up different amounts of space and they have different ranges of acceptable values.
He...
Javascript Drag and drop for touch devices [closed]
...emove",
touchend: "mouseup"
}[event.type], true, true, window, 1,
touch.screenX, touch.screenY,
touch.clientX, touch.clientY, false,
false, false, false, 0, null);
touch.target.dispatchEvent(simulatedEvent);
event.preventDefault();
}
function init() {
...
Using {} in a case statement. Why?
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195
The {} denotes a new block of scope.
Consider the following very contrived example:
switch (...
How to cast int to enum in C++?
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int i = 1;
Test val = static_cast<Test>(i);
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Linux下安装项目管理工具Redmine - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...ux下安装项目管理工具RedmineLinux下安装项目管理工具Redmine1、Ruby安装Ruby on Rails网站推荐使用1.8.7版。点击(此处)折叠或打开# wget ftp: ftp.ruby-lang.org ...Linux下安装项目管理工具Redmine
1、Ruby安装
Ruby on Rails网站推荐使用1.8.7版。
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How do I convert a pandas Series or index to a Numpy array? [duplicate]
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To get a NumPy array, you should use the values attribute:
In [1]: df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]}, index=['a', 'b', 'c']); df
A B
a 1 4
b 2 5
c 3 6
In [2]: df.index.values
Out[2]: array(['a', 'b', 'c'], dtype=object)
This accesses how the data is already ...
How to rename items in values() in Django?
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edited Jun 20 at 9:12
Community♦
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answered May 15 '12 at 10:45
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How to make the 'cut' command treat same sequental delimiters as one?
...uence of a repeated character
that is listed in SET1 with a single occurrence
of that character
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seek() function?
...of reference:
0: means your reference point is the beginning of the file
1: means your reference point is the current file position
2: means your reference point is the end of the file
if omitted, from_what defaults to 0.
Never forget that when managing files, there'll always be a position insi...