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Check whether variable is number or string in JavaScript
...on assertTrue(value, message) {
if (!value) {
alert("Assertion error: " + message);
}
}
function assertFalse(value, message)
{
assertTrue(!value, message);
}
assertTrue(isString("string literal"), "number literal");
assertTrue(isString(new String("String object")), "String obje...
Is it possible to forward-declare a function in Python?
...efined yet.
function_name = 'foo'
# Calling at this point would produce an error
# Here is the definition
def foo():
bar()
# Note that at this point the function is defined
# Time for some reflection...
globals()[function_name]()
So in this way we have determined what function we want to...
AngularJS - Any way for $http.post to send request parameters instead of JSON?
... having issues. When I try to do it using the snippet given here, I get an error Cannot read property "jquery" of undefined. How do I fix this? PS. Per-call transformations work.
– kshep92
Jan 21 '13 at 0:27
...
How can I validate a string to only allow alphanumeric characters in it?
...ne attempts to pass in a non-validated string, it will generate a compiler error.
You can get fancier and implement all of the equality operators, or an explicit cast to AlphaNumericString from plain ol' string, if you care.
...
In PHP with PDO, how to check the final SQL parametrized query? [duplicate]
...T * FROM `example` WHERE `'userName'` = 'mick' ;
Which did not create an error, just an empty result. Instead I needed to use
$sql = "SELECT * FROM `example` WHERE `$dynamicField` = :value";
to get
SELECT * FROM `example` WHERE `userName` = 'mick' ;
When you are done execute:
SET GLOBAL gen...
How do you access a website running on localhost from iPhone browser
... network. How do I access localhost from the iPhone? Right now I get a 404 error.
26 Answers
...
SFTP Libraries for .NET [closed]
...per throws an exception detailing what is wrong. It took me some trial and error to get the parameters right, no fault of WinSCP, just my confusion between ftps and sftp. Also, remember to copy WinSCP.exe to the application bin folder; or you can set Session.ExecutablePath before calling Session.Ope...
How do I use Assert.Throws to assert the type of the exception?
... This was really helpful for me - I wanted a way to display the error, I did not even read if a value was returned by the Assert.Throws method. Thanks
– Haroon
Jun 1 '12 at 13:42
...
How to check that a string is an int, but not a double, etc.?
...eck 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" .
...
Get the client IP address using PHP [duplicate]
... getenv returns a false if the variable isn't set, where $_SERVER will error with "undefined index" if the variable isn't set.
– Michael
Feb 7 '14 at 1:45
4
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