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How do I get the list of keys in a Dictionary?
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List<string> keyList = new List<string>(this.yourDictionary.Keys);
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Make a phone call programmatically
...lue doesn't include the scheme tel://
Your code should look like this:
NSString *phoneNumber = [@"tel://" stringByAppendingString:mymobileNO.titleLabel.text];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:phoneNumber]];
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Java code To convert byte to Hexadecimal
I have an array of bytes.
I want each byte String of that array to be converted to its corresponding hexadecimal values.
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Backbone.js get and set nested object attribute
... Remember that objects are passed by reference and are mutable, unlike string and number primitives. Backbone's set and constructor methods attempt a shallow clone of any object reference passed as an argument. Any references to other objects in properties of that object aren't cloned. When you ...
How can I read a large text file line by line using Java?
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try (BufferedReader br = new BufferedReader(new FileReader(file))) {
String line;
while ((line = br.readLine()) != null) {
// process the line.
}
}
You can read the data faster if you assume there is no character encoding. e.g. ASCII-7 but it won't make much difference. It is...
SQL: capitalize first letter only [duplicate]
..., then use this:
UPDATE [yourtable]
SET word=UPPER(LEFT(word,1))+LOWER(SUBSTRING(word,2,LEN(word)))
If you just wanted to change it only for displaying and do not need the actual data in table to change:
SELECT UPPER(LEFT(word,1))+LOWER(SUBSTRING(word,2,LEN(word))) FROM [yourtable]
Hope this h...
How to pretty print XML from Java?
I have a Java String that contains XML, with no line feeds or indentations. I would like to turn it into a String with nicely formatted XML. How do I do this?
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Python Remove last 3 characters of a string
I'm trying to remove the last 3 characters from a string in python, I don't know what these characters are so I can't use rstrip , I also need to remove any white space and convert to upper-case
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How can I convert ArrayList to ArrayList?
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Since this is actually not a list of strings, the easiest way is to loop over it and convert each item into a new list of strings yourself:
List<String> strings = list.stream()
.map(object -> Objects.toString(object, null))
.collect(Collectors.to...
Extract digits from a string in Java
I have a Java String object. I need to extract only digits from it. I'll give an example:
14 Answers
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