大约有 3,000 项符合查询结果（耗时：0.0124秒） [XML]
How do I get a raw, compiled SQL query from a SQLAlchemy expression?
...bject and want to get the text of the compiled SQL statement, with all its parameters bound (e.g. no %s or other variables waiting to be bound by the statement compiler or MySQLdb dialect engine, etc).
...
MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...OT NULL,
PRIMARY KEY (`id`)
);
CREATE TABLE IF NOT EXISTS `mobile_params` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`mobile_id` int(10) unsigned NOT NULL,
`name` varchar(100) NOT NULL,
`value` varchar(100) NOT NULL,
PRIMARY KEY (`id`)
);
INSERT INTO `mobi...
How to construct a timedelta object from a simple string
...r)
if not parts:
return
parts = parts.groupdict()
time_params = {}
for (name, param) in parts.iteritems():
if param:
time_params[name] = int(param)
return timedelta(**time_params)
>>> from parse_time import parse_time
>>> parse_time...
C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...ceed = markup.FindElem(_T("update"));
if (bSucceed)
{
_tcsncpy_s(param.version, markup.GetAttrib(_T("ver")), sizeof(param.version));
_tcsncpy_s(param.pkgname, markup.GetAttrib(_T("pkg")), sizeof(param.pkgname));
if (markup.GetAttrib(_T("force")).Compare(_T("1")) == 0)
param.fo...
How do I create multiple submit buttons for the same form in Rails?
...de your controller, the submitted button's value will be identified by the parameter commit. Check the value to do the required processing:
def <controller action>
if params[:commit] == 'A'
# A was pressed
elsif params[:commit] == 'B'
# B was pressed
end
end
How...
Ruby: Easiest Way to Filter Hash Keys?
...tch. This will give you a new Hash with just the choices in it.
choices = params.select { |key, value| key.to_s.match(/^choice\d+/) }
or you can use delete_if and modify the existing Hash e.g.
params.delete_if { |key, value| !key.to_s.match(/choice\d+/) }
or if it is just the keys and not the ...
how to permit an array with strong parameters
...
This https://github.com/rails/strong_parameters seems like the relevant section of the docs:
The permitted scalar types are String, Symbol, NilClass, Numeric, TrueClass, FalseClass, Date, Time, DateTime, StringIO, IO,
ActionDispatch::Http::UploadedFile and...
Use URI builder in Android or create URL with variables
....com")
.appendPath("turtles")
.appendPath("types")
.appendQueryParameter("type", "1")
.appendQueryParameter("sort", "relevance")
.fragment("section-name");
String myUrl = builder.build().toString();
shar...
High Quality Image Scaling Library [closed]
...e specified width and height.
/// </summary>
/// <param name="image">The image to resize.</param>
/// <param name="width">The width to resize to.</param>
/// <param name="height">The height to resize to.</param>
/// &l...
Simplest two-way encryption using PHP
... /**
* Encrypts (but does not authenticate) a message
*
* @param string $message - plaintext message
* @param string $key - encryption key (raw binary expected)
* @param boolean $encode - set to TRUE to return a base64-encoded
* @return string (raw binary)
*/
...