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How can I dynamically set the position of view in Android?
How can I change the position of view through code? Like changing its X, Y position. Is it possible?
12 Answers
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psql: FATAL: role “postgres” does not exist
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
报错信息：
3月 04, 2025 9:50:11 上午 com.google.appengine.tools.development.ApiProxyLocalImpl log
严重: javax.servlet.ServletContext log: Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract long com.google.appinv...
Find and replace - Add carriage return OR Newline
...e last steps.
Example
For example, if you want to replace this:
public IFoo SomeField { get { return this.SomeField; } }
with that:
public IFoo Foo { get { return this.MyFoo; } }
public IBar Bar { get { return this.MyBar; } }
You would do the following substitutions:
public IFoo SomeField ...
Html code as IFRAME source rather than a URL
...string of HTML. For example, the following HTML:
<html><body>foo</body></html>
can be encoded as this:
data:text/html;charset=utf-8,%3Chtml%3E%3Cbody%3Efoo%3C/body%3E%3C/html%3E
and then set as the src attribute of the iframe. Example.
Edit: The other alternative i...
querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...rs.
e.g. All list items descended from an element that is a member of the foo class: .foo li
document.querySelector("#view:_id1:inputText1") it doesn't work. But writing document.getElementById("view:_id1:inputText1") works. Any ideas why?
The : character has special meaning inside a selector...
LINQ OrderBy versus ThenBy
... will effectively be the dominant one. You can (in LINQ to Objects) write
foo.OrderBy(x).OrderBy(y).OrderBy(z)
which would be equivalent to
foo.OrderBy(z).ThenBy(y).ThenBy(x)
as the sort order is stable, but you absolutely shouldn't:
It's hard to read
It doesn't perform well (because it reor...
ImportError in importing from sklearn: cannot import name check_build
I am getting the following error while trying to import from sklearn:
13 Answers
13
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Best way of invoking getter by reflection
...import java.beans.*
for (PropertyDescriptor pd : Introspector.getBeanInfo(Foo.class).getPropertyDescriptors()) {
if (pd.getReadMethod() != null && !"class".equals(pd.getName()))
System.out.println(pd.getReadMethod().invoke(foo));
}
Note that you could create BeanInfo or PropertyDesc...
Create RegExps on the fly using string variables
...you can implement global string replacement with RegExp:
function replace_foo(target, string_to_replace, replacement) {
var relit= escapeRegExp(string_to_replace);
var sub= escapeSubstitute(replacement);
var re= new RegExp(relit, 'g');
return target.replace(re, sub);
}
What a pain...