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Convert character to ASCII numeric value in java
I have String name = "admin";
then I do String charValue = name.substring(0,1); //charValue="a"
22 Answers
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Convert a list of characters into a string
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Use the join method of the empty string to join all of the strings together with the empty string in between, like so:
>>> a = ['a', 'b', 'c', 'd']
>>> ''.join(a)
'abcd'
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How to check that a string is an int, but not a double, etc.?
PHP has an intval() function that will convert a string to an integer. However I want to check that the string is an integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
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How do I use boolean variables in Perl?
...think you wanted to imply a list with an element that consists of an empty string (even though parens don't create lists), but as I've already mentioned, it's impossible to check if a list is true of false.
– ikegami
Apr 13 '11 at 20:42
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Determine if a String is an Integer in Java [duplicate]
I'm trying to determine if a particular item in an Array of strings is an integer or not.
9 Answers
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How Do I Convert an Integer to a String in Excel VBA?
How do I convert the integer value "45" into the string value "45" in Excel VBA?
10 Answers
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Check if a string contains an element from a list (of strings)
...With LINQ, and using C# (I don't know VB much these days):
bool b = listOfStrings.Any(s=>myString.Contains(s));
or (shorter and more efficient, but arguably less clear):
bool b = listOfStrings.Any(myString.Contains);
If you were testing equality, it would be worth looking at HashSet etc, bu...
Remove a string from the beginning of a string
I have a string that looks like this:
11 Answers
11
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Objective-C parse hex string to integer
I would like to know how to parse a hex string, representing a number, in Objective-C. I am willing to use both an objective, or a C-based method, either is fine.
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Equivalent to 'app.config' for a library (DLL)
...code won't work properly.
Now to read from this file have such function:
string GetAppSetting(Configuration config, string key)
{
KeyValueConfigurationElement element = config.AppSettings.Settings[key];
if (element != null)
{
string value = element.Value;
if (!string.Is...