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“cannot resolve symbol R” in Android Studio
... xml files.
Clean Project.
This is it.
For example I had an entry in my strings.xml:
<string name="A">Some text</string>
And in activity_main.xml I used this string entry
<TextView
android:id="@+id/textViewA"
android:text="@string/A"/>
While'd been working with project, I ...
comparing 2 strings alphabetically for sorting purposes
I'm trying to compare 2 strings alphabetically for sorting purposes. For example I want to have a boolean check like if('aaaa' < 'ab') . I tried it, but it's not giving me correct results, so I guess that's not the right syntax. How do I do this in jquery or Javascript?
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Insert Unicode character into JavaScript
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I'm guessing that you actually want Omega to be a string containing an uppercase omega? In that case, you can write:
var Omega = '\u03A9';
(Because Ω is the Unicode character with codepoint U+03A9; that is, 03A9 is 937, except written as four hexadecimal digits.)
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Concatenate multiple files but include filename as section headers
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@Acumenus For myself I had to use: String="${String//$'\n'::::::::::::::$'\n'/|}" then: String="${String//::::::::::::::$'\n'/}" and finally: String="${String//$'\n'/|}" to make into a YAD array: IFS='|' read -ra OLD_ARR <<< "$String"
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Sort a Map by values
...e a TreeMap as follows:
public class Testing {
public static void main(String[] args) {
HashMap<String, Double> map = new HashMap<String, Double>();
ValueComparator bvc = new ValueComparator(map);
TreeMap<String, Double> sorted_map = new TreeMap<Strin...
What is Data Transfer Object?
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In general Value Objects should be Immutable. Like Integer or String objects in Java. We can use them for transferring data between software layers. If the software layers or services running in different remote nodes like in a microservices environment or in a legacy Java Enterprise Ap...
Two-way encryption: I need to store passwords that can be retrieved
...verification of source data
*
*/
class Encryption {
/**
* @var string $cipher The mcrypt cipher to use for this instance
*/
protected $cipher = '';
/**
* @var int $mode The mcrypt cipher mode to use
*/
protected $mode = '';
/**
* @var int $rounds The...
How do I copy items from list to list without foreach?
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For a list of elements
List<string> lstTest = new List<string>();
lstTest.Add("test1");
lstTest.Add("test2");
lstTest.Add("test3");
lstTest.Add("test4");
lstTest.Add("test5");
lstTest.Add("test6");
If you want to copy all the elements
List&...
When do Java generics require
...parameter can be SomeClass or any subtype of it.
In your example,
Map<String, Class<? extends Serializable>> expected = null;
Map<String, Class<java.util.Date>> result = null;
assertThat(result, is(expected));
You're saying that expected can contain Class objects that rep...
Can I set a TTL for @Cacheable
... @Override
protected Cache createConcurrentMapCache(final String name) {
return new ConcurrentMapCache(name,
CacheBuilder.newBuilder().expireAfterWrite(30, TimeUnit.MINUTES).maximumSize(100).build().asMap(), false);
}
};
...
