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Objective-C parse hex string to integer
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In addition, you could use a string substitution to convert the # character to the 0x prefix.
– hotpaw2
Sep 6 '10 at 0:57
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Convert a JSON String to a HashMap
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When using the Gson to convert string to hashmap<String, Object>, the integers are getting converted to Floats and this is creating a huge problem when using the converted Hashmap. If I use hashmap<String, Integer>, it works perfectly. ...
Generating random numbers in Objective-C
... = (((float)arc4random()/0x100000000)*(high_bound-low_bound)+low_bound);
Convert result to a rounder Integer value:
int intRndValue = (int)(rndValue + 0.5);
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How to go about formatting 1200 to 1.2k in java
... This code is sensitive to locale, for example in sv_SE locale 1000 converts to 10x10³, which is not matched correctly by the regexp.
– Joakim Lundborg
Feb 5 '14 at 22:53
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Best way to work with dates in Android SQLite [closed]
... date column.
Retrieving dates as strings from SQLite you can then format/convert them as required into local regionalised formats using the Calendar or the android.text.format.DateUtils.formatDateTime method.
Here's a regionalised formatter method I use;
public static String formatDateTime(Conte...
How do I convert an interval into a number of hours with postgres?
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If you convert table field:
Define the field so it contains seconds:
CREATE TABLE IF NOT EXISTS test (
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field INTERVAL SECOND(0)
);
Extract the value. Remember to cast to int other wise you can get an unple...
Convert InputStream to byte array in Java
How do I read an entire InputStream into a byte array?
34 Answers
34
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Why does dividing two int not yield the right value when assigned to double?
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I would prefer to explicitly convert both a and b to double simply for clarity, but it really doesn't matter.
– John Dibling
Sep 27 '11 at 15:31
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How to iterate over values of an Enum having flags?
...lt;Enum> GetFlags(Enum value, Enum[] values)
{
ulong bits = Convert.ToUInt64(value);
List<Enum> results = new List<Enum>();
for (int i = values.Length - 1; i >= 0; i--)
{
ulong mask = Convert.ToUInt64(values[i]);
if (i == ...
Java: Get month Integer from Date
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java.time (Java 8)
You can also use the java.time package in Java 8 and convert your java.util.Date object to a java.time.LocalDate object and then just use the getMonthValue() method.
Date date = new Date();
LocalDate localDate = date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
in...