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Why a function checking if a string is empty always returns true? [closed]
I have a function isNotEmpty which returns true if the string is not empty and false if the string is empty. I've found out that it is not working if I pass an empty string through it.
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How to check if a string array contains one string in JavaScript? [duplicate]
I have a string array and one string. I'd like to test this string against the array values and apply a condition the result - if the array contains the string do "A", else do "B".
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How to avoid “too many parameters” problem in API design?
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Condensing all the strings into a string array only makes sense if they're all related. From the order of arguments, it looks like they're not all completely related.
– icktoofay
Jun 4 '11 at 21:16
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Finding Variable Type in JavaScript
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Use typeof:
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"
So you can do:
if(typeof bar === 'number') {
//whatever
}
Be careful though if you define these primitives with their object wrappers (which you should never ...
Wrap long lines in Python [duplicate]
...s a really long '
'sentence with {1}').format(3, 5))
Adjacent string literals are concatenated at compile time, just as in C. http://docs.python.org/reference/lexical_analysis.html#string-literal-concatenation is a good place to start for more info.
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How is an overloaded method chosen when a parameter is the literal null value?
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Is null a String variable pointing to nothing ?
A null reference can be converted to an expression of any class type. So in the case of String, this is fine:
String x = null;
The String overload here is chosen because the Java com...
Generate a random letter in Python
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Simple:
>>> import string
>>> string.ascii_letters
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
>>> import random
>>> random.choice(string.ascii_letters)
'j'
string.ascii_letters returns a string containin...
Case insensitive comparison of strings in shell script
The == operator is used to compare two strings in shell script. However, I want to compare two strings ignoring case, how can it be done? Is there any standard command for this?
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Understanding implicit in Scala
...icit Int!
example:
// probably in a library
class Prefixer(val prefix: String)
def addPrefix(s: String)(implicit p: Prefixer) = p.prefix + s
// then probably in your application
implicit val myImplicitPrefixer = new Prefixer("***")
addPrefix("abc") // returns "***abc"
Implicit conversions
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Using Regular Expressions to Extract a Value in Java
I have several strings in the rough form:
13 Answers
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