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C#定点任务代码 类似Windows计划任务（健壮性高） - 更多技术 - 清泛网 - ...
...>
/// 定时器触发事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnceDoTimer_Elapsed(object sender, ElapsedEventArgs e)
{
UpdateOnceDoTimePeriod();
// 更新下次...
How to redirect to a 404 in Rails?
...f your code, letting you do nice things like:
user = User.find_by_email(params[:email]) or not_found
user.do_something!
without having to write ugly conditional statements.
As a bonus, it's also super easy to handle in tests. For example, in an rspec integration test:
# RSpec 1
lambda {
...
reducing number of plot ticks
...o position them (currently only with MaxNLocator), there is pyplot.locator_params,
pyplot.locator_params(nbins=4)
You can specify specific axis in this method as mentioned below, default is both:
# To specify the number of ticks on both or any single axes
pyplot.locator_params(axis='y', nbins=6)...
What is the difference between 'E', 'T', and '?' for Java generics?
...ce between the first two - they're just using different names for the type parameter (E or T).
The third isn't a valid declaration - ? is used as a wildcard which is used when providing a type argument, e.g. List<?> foo = ... means that foo refers to a list of some type, but we don't know wha...
How to convert std::string to LPCSTR?
...ated char string of char (often a buffer is passed and used as an 'output' param)
LPCWSTR: pointer to null terminated string of const wchar_t
LPWSTR: pointer to null terminated string of wchar_t (often a buffer is passed and used as an 'output' param)
To "convert" a std::string to a LPCSTR depend...
How to convert SecureString to System.String?
...egate scrubbed on return.
/// </summary>
/// <typeparam name="T">Generic type returned by Func delegate</typeparam>
/// <param name="action">Func delegate which will receive the decrypted password pinned in memory as a String object</param>
...
Can we pass parameters to a view in SQL?
Can we pass a parameter to a view in Microsoft SQL Server?
19 Answers
19
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How to make an array of arrays in Java
...s DOES NOT ensure that the object will be available on next call !
* @param x
* @param y
* @return
* @throws IndexOutOfBoundsException
*/public boolean exists( int x , int y ) throws IndexOutOfBoundsException
{
if( x >= _width || x < 0 )
{
...
How to add a filter class in Spring Boot?
...er-name>
<url-pattern>/url/*</url-pattern>
<init-param>
<param-name>paramName</param-name>
<param-value>paramValue</param-value>
</init-param>
</filter-mapping>
These will be the two beans in your @Configuration fil...
PreparedStatement with list of parameters in a IN clause [duplicate]
...oString() + ")";
PreparedStatement pstmt = ...
And then happily set the params
int index = 1;
for( Object o : possibleValue ) {
pstmt.setObject( index++, o ); // or whatever it applies
}
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