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How can I calculate the difference between two dates?
...
NSDate *date1 = [NSDate dateWithString:@"2010-01-01 00:00:00 +0000"];
NSDate *date2 = [NSDate dateWithString:@"2010-02-03 00:00:00 +0000"];
NSTimeInterval secondsBetween = [date2 timeIntervalSinceDate:date1];
int numberOfDays = secondsBetween / 86400;
NS...
Single vs Double quotes (' vs ")
...th double quotes "you can insert variables directly within the text of the string". (scriptingok.com) And when using single quotes "the text appears as it is". (scriptingok.com)
PHP takes longer to process double quoted strings. Since the PHP parser has to read the whole string in advance to det...
What's the Android ADB shell “dumpsys” tool and what are its benefits?
...vious benefits:
Possibility to easily get system information in a simple string representation.
Possibility to use dumped CPU, RAM, Battery, storage stats for a
pretty charts, which will allow you to check how your application
affects the overall device!
What information can we retrieve from dum...
SmtpException: Unable to read data from the transport connection: net_io_connectionclosed
...tions that I could try?
Here is the code that I'm using
int port = 587;
string host = "smtp.office365.com";
string username = "smtp.out@mail.com";
string password = "password";
string mailFrom = "noreply@mail.com";
string mailTo = "to@mail.com";
string mailTitle = "Testtitle";
string mailMessage ...
Create array of regex matches
... java.util.regex.Matcher;
import java.util.regex.Pattern;
...
List<String> allMatches = new ArrayList<String>();
Matcher m = Pattern.compile("your regular expression here")
.matcher(yourStringHere);
while (m.find()) {
allMatches.add(m.group());
}
After this, allMatches ...
Java: How to convert List to Map
...le to do this in one line using streams, and the Collectors class.
Map<String, Item> map =
list.stream().collect(Collectors.toMap(Item::getKey, item -> item));
Short demo:
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
pub...
How do I read all classes from a Java package in the classpath?
... are annotated with XmlRootElement:
private List<Class> findMyTypes(String basePackage) throws IOException, ClassNotFoundException
{
ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();
MetadataReaderFactory metadataReaderFactory = new CachingMe...
How to set thousands separator in Java?
How to set thousands separator in Java?
I have String representation of a BigDecimal that I want to format with a thousands separator and return as String.
...
How to extract the substring between two markers?
Let's say I have a string 'gfgfdAAA1234ZZZuijjk' and I want to extract just the '1234' part.
18 Answers
...
How to get the month name in C#?
...nsole.Read();
}
}
static class DateTimeExtensions
{
public static string ToMonthName(this DateTime dateTime)
{
return CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(dateTime.Month);
}
public static string ToShortMonthName(this DateTime dateTime)
{
re...