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Convert Decimal to Double
I want to use a Track-Bar to change a Form 's opacity.
15 Answers
15
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converting a base 64 string to an image and saving it
.../gif;base64,
//this image is a single pixel (black)
byte[] bytes = Convert.FromBase64String("R0lGODlhAQABAIAAAAAAAAAAACH5BAAAAAAALAAAAAABAAEAAAICTAEAOw==");
Image image;
using (MemoryStream ms = new MemoryStream(bytes))
{
image = Image.FromStream(ms);
}
return i...
How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
How do you convert a Unix timestamp (seconds since epoch) to Ruby DateTime?
6 Answers
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Get string character by index - Java
...rns s
If you're hellbent on having a string there are a couple of ways to convert a char to a string:
String mychar = Character.toString("mystring".charAt(2));
Or
String mychar = ""+"mystring".charAt(2);
Or even
String mychar = String.valueOf("mystring".charAt(2));
For example.
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How can I convert JSON to a HashMap using Gson?
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what if I need to convert string which is actually a array
– Ravi Yadav
Nov 15 '19 at 13:50
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How to get a Color from hexadecimal Color String
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Convert that string to an int color which can be used in setBackgroundColor and setTextColor
String string = "#FFFF0000";
int color = Integer.parseInt(string.replaceFirst("^#",""), 16);
The 16 means it is hexadecimal and n...
Conveniently map between enum and int / String
...utility:
public class ReverseEnumMap<V extends Enum<V> & EnumConverter> {
private Map<Byte, V> map = new HashMap<Byte, V>();
public ReverseEnumMap(Class<V> valueType) {
for (V v : valueType.getEnumConstants()) {
map.put(v.convert(), v);
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Entity Framework DateTime and UTC
...n't do anything when saving. You'll still have to have the value properly converted to UTC before you try to save it. But it does allow you to set the kind when retrieving, which allows it to be serialized as UTC, or converted to other time zones with TimeZoneInfo.
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Uber5岁了，一次性告诉你它的商业之道 - 资讯 - 清泛网 - 专注C/C++及内核技术
Uber5岁了，一次性告诉你它的商业之道Uber5岁了，它具有一种迷人的魅力，并展现出颠覆世界既有规则的勇气。从诞生起，它就获得了巨大的支持与几乎同样多的反对，也经历着各种封...Uber5岁了，它具有一种迷人的魅力，并展现...
Useful code which uses reduce()? [closed]
...t to take the bitwise or of a bunch of numbers, for example if you need to convert flags from a list to a bitmask?
– Antimony
Oct 15 '12 at 21:55
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