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Monad in plain English? (For the OOP programmer with no FP background)
...rable<T>. It is an amplifier of types. It lets you take a type, say, string, and add a new capability to that type, namely, that you can now make a sequence of strings out of any number of single strings.
What are the "certain rules"? Briefly, that there is a sensible way for functions on the...
When to use in vs ref vs out
... difference, an out parameter needs not be initialized.
Example for out:
string a, b;
person.GetBothNames(out a, out b);
where GetBothNames is a method to retrieve two values atomically, the method won't change behavior whatever a and b are. If the call goes to a server in Hawaii, copying the in...
Java Generics: Cannot cast List to List? [duplicate]
... tried a standalone Java class that had: 1. List x = new ArrayList<String>(); 2. List<Object> x = new ArrayList<String>(); #1 compiles fine but #2 gives an error: incompatible types found : java.util.ArrayList<java.lang.String> required: java.util.List<java.lan...
Is there something like Annotation Inheritance in java?
...ame question.
@interface Animal {
boolean fluffy() default false;
String name() default "";
}
@Extends(Animal.class)
@Animal(fluffy = true)
@interface Pet {
String name();
}
@Extends(Pet.class)
@interface Cat {
@AliasFor("name")
String value();
}
@Extends(Pet.class)
@interfac...
Multiple INSERT statements vs. single INSERT with multiple VALUES
... the names in the stack trace it appears to spend a lot of time comparing strings.
This KB article indicates that DeriveNormalizedGroupProperties is associated with what used to be called the normalization stage of query processing
This stage is now called binding or algebrizing and it takes the...
TextEnhancer拓展 - 增强App中的文本格式 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...Parameters: radius (float), dx (float), dy (float) - shadow offset, color (String) - shadow color.
blocks (31)[size=15.008px]810×318 25.5 KB
[size=15.008px]SetTextPadding:Set the padding around the text of the specified label. Parameters: left, top, right, bottom (int) - padding values in pix...
Can I set up HTML/Email Templates with ASP.NET?
...
You might also want to try loading a control, and then rendering it to a string and setting that as the HTML Body:
// Declare stringbuilder to render control to
StringBuilder sb = new StringBuilder();
// Load the control
UserControl ctrl = (UserControl) LoadControl("~/Controls/UserControl.ascx")...
How do I find out what version of WordPress is running?
...
Look in wp-includes/version.php
/**
* The WordPress version string
*
* @global string $wp_version
*/
$wp_version = '2.8.4';
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Anti forgery token is meant for user “” but the current user is “username”
...tiForgeryToken() the user is not logged in so the token will have an empty string for the username, after the user logs in, if you do not replace the anti-forgery token it will not pass validation because the initial token was for anonymous user and now we have an authenticated user with a known use...
Set Django IntegerField by choices=… name
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FWIW, if you need set it from a literal string (perhaps from a form, user input, or similar) you can then just do: thing.priority = getattr(thing, strvalue.upper()).
– mrooney
Feb 24 '13 at 23:22
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