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Android: integer from xml resource
..., create your integer values.
Your file then looks something like that:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<integer name="maximum">100</integer>
...
</resources>
Reference the integer value in the Java code like this:
It's a bit differen...
Bug With Firefox - Disabled Attribute of Input Not Resetting When Refreshing
...ing and prevents the browser from remembering the state of input fields.
Alternatively, you can just "hard-refresh" by clicking CTRL+F5. This will completely reset the current page.
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self referential struct definition?
...ve to use the structure name, as in the following test program:
#include <stdio.h>
#include <stdlib.h>
typedef struct Cell {
int cellSeq;
struct Cell* next; /* 'tCell *next' will not work here */
} tCell;
int main(void) {
int i;
tCell *curr;
tCell *first;
tCell *la...
Is it expensive to use try-catch blocks even if an exception is never thrown?
... code continue to execute afterwards in the same method, it is more difficult to reason about optimizations that can be made, so they are less likely to happen. (Someone would have to program the compiler to do them, reason about and guarantee correctness, etc. It'd be a big pain for something meant...
How do you calculate log base 2 in Java for integers?
...th.log(65536)/Math.log(2)) evaluate to. For example, Math.ceil(Math.log(1<<29) / Math.log(2)) is 30 on my PC where mathematically it should be exactly 29. I didn't find a value for x where (int)(Math.log(x)/Math.log(2)) fails (just because there are only 32 "dangerous" values), but it does no...
Textarea onchange detection
...hrome, oninput works as expected
SuperDuperFunction();
}
<textarea id="taSource"
class="taSplitted"
rows="4"
cols="50"
oninput="SuperDuperFunction();"
onpropertychange="SuperDuperFunctionBecauseMicrosoftMakesIEsuckIntentionally();...
Getting all types that implement an interface
...o .Where(p => type.IsAssignableFrom(p) && !p.IsInterface); to filter it out (or p.IsClass).
– jtpereyda
Dec 2 '13 at 21:21
41
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Can I update a component's props in React.js?
...a Gauge child thats displays this speed. Its render method is just return <Gauge speed={this.state.speed} />. When the Dashboard calls this.setState({speed: this.state.speed + 1}), the Gauge is re-rendered with the new value for speed.
Just before this happens, Gauge's componentWillReceivePro...
Deserializing JSON to .NET object using Newtonsoft (or LINQ to JSON maybe?)
....
{"Id": 1, "Name": "biofractal"}
C#
Use JsonConvert.DeserializeObject<dynamic>() to deserialize this string into a dynamic type then simply access its properties in the usual way.
dynamic results = JsonConvert.DeserializeObject<dynamic>(json);
var id = results.Id;
var name= results...
.Contains() on a list of custom class objects
...s() and GetHashCode()
For example:
public class CartProduct : IEquatable<CartProduct>
{
public Int32 ID;
public String Name;
public Int32 Number;
public Decimal CurrentPrice;
public CartProduct(Int32 ID, String Name, Int32 Number, Decimal CurrentPrice)
{
this...