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Default function arguments in Rust
...l Default for FooArgs {
fn default() -> Self {
FooArgs { a: 1.0, b: 1 }
}
}
impl From<()> for FooArgs {
fn from(_: ()) -> Self {
Self::default()
}
}
impl From<f64> for FooArgs {
fn from(a: f64) -> Self {
Self {
a: a,
...
'parent.relativePath' points at my com.mycompany:MyProject instead of org.apache:apache - Why?
... A fat finger case on my part.
My pom parent had this:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/...
Difference between float and decimal data type
...ed in base-2. 0.1 can't, for instance, and so you see strange results like 1.0 - 0.1 = 0.8999999.
Decimals store base-10 numbers. Decimal is an good type for most business math (but any built-in "money" type is more appropriate for financial calculations), where the range of values exceeds that pro...
How do I print the type of a variable in Rust?
... println!("{}", type_of!(&mut &1));
println!("{}", type_of!(1.0));
println!("{}", type_of!("abc"));
println!("{}", type_of!(&"abc"));
println!("{}", type_of!(String::from("abc")));
println!("{}", type_of!(vec![1,2,3]));
println!("{}", <Result<String,i64&...
Declaring a custom android UI element using XML
... as follows:
1. Declare attributes in values\attrs.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="MyCustomView">
<attr name="android:text"/>
<attr name="android:textColor"/>
<attr name="extraI...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...ave got an XML file "company.xml" that looks like this:
<?xml version="1.0"?>
<company>
<employee>
<firstname>Tom</firstname>
<lastname>Cruise</lastname>
</employee>
<employee>
<firstname>Paul</firstn...
Why should we include ttf, eot, woff, svg,… in a font-face
...based on the Brotli compression algorithm and other improvements over WOFF 1.0 giving more than 30 % reduction in file size, is supported in Chrome, Opera, and Firefox.
http://en.wikipedia.org/wiki/Web_Open_Font_Format
http://en.wikipedia.org/wiki/Brotli
http://sth.name/2014/09/03/Speed-up-webfont...
Setting Short Value Java
...
The "1." was only cut of in Java 5 and later. Java 1.0-1.4 are always refered to by that name by Sun. And that is done intentionally, because Sun used "Java 2" to refer to Java 1.2 up to Java 1.5/Java 5. It is very confusing, but inventing new names that Sun never used doesn'...
user authentication libraries for node.js?
...abase or file. Connect-auth is way too big. It's more for stuff like OAuth 1.0, OAuth 2.0 & Co
A very simple authentication with connect
(It's complete. Just execute it for testing but if you want to use it in production, make sure to use https)
(And to be REST-Principle-Compliant you shou...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...等等。至此，一个RTD Server的生命周期就结束了。
一 C#版实例
来源：http://www.cnblogs.com/makemelaugh/archive/2008/11/06/1327960.html
创建一个项目ExcelRTD，添加Microsoft.Office.Interop.Excel引用。创建一个类MarketData.cs，这个类继承IRtdServer接口...