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Pass props to parent component in React.js
...that.
var Child = React.createClass({
render: function () {
return <button onClick={this.props.onClick}>{this.props.text}</button>;
},
});
Parent with single child: using the value it passes to the child
var Parent = React.createClass({
getInitialState: function() {
re...
Printing the correct number of decimal points with cout
...
With <iomanip>, you can use std::fixed and std::setprecision
Here is an example
#include <iostream>
#include <iomanip>
int main()
{
double d = 122.345;
std::cout << std::fixed;
std::cout <...
How to implement a Map with multiple keys? [duplicate]
I need a data structure which behaves like a Map,
but uses multiple (differently-typed) keys to access its values.
(Let's not be too general, let's say two keys)
...
multiple tags
Can we use multiple tags on the same page in html5?
3 Answers
3
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Is there a constraint that restricts my generic method to numeric types?
...aint system, you can do it with a factory pattern. You could have a Matrix<T>, for example, and in that Matrix you would like to define a dot product method. That of course that means you ultimately need to understand how to multiply two Ts, but you can't say that as a constraint, at least not...
Cannot lower case button text in android studio
... does not appear to have the aforementioned attribute. Here's what it had <resources> <!-- Base application theme. --> <style name="AppTheme" parent="android:Theme.Holo.Light.DarkActionBar"> <!-- Customize your theme here. --> </style> </resourc...
Using SQL Server 2008 and SQL Server 2005 and date time
I've built a entity framework model against a 2008 database. All works ok against the 2008 database. When I try to update the entity on a 2005 database I get this error.
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Comment Inheritance for C# (actually any language)
...ou can focus on the important stuff. --- For example, it can generate the <summary>, <param>, <returns>, <throws>, etc... sections for you. Many times with good-enough results; other times needing corrections or expanding, but still reducing overall effort.
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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
...-4) Java version: 1.6.0_20 Java home:
/usr/lib/jvm/java-6-openjdk/jre Default locale: de_DE, platform
encoding: UTF-8 OS name: "linux" version: "2.6.35-32-generic" arch:
"amd64" Family: "unix"
2 Run maven externally link how to run maven from console
> cd path-to-pom.xml
> mvn test
[I...
ProcessStartInfo hanging on “WaitForExit”? Why?
...
I'm not 100% certain if this is just a result of my environment, but I found if you have set RedirectStandardOutput = true; and don't use p.StandardOutput.ReadToEnd(); you get a deadlock/hang.
– Chris S
Feb 3 '12 at 15:16
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