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Remove last character from string. Swift language
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let name: String = "Dolphin"
let stringLength = count(name) // Since swift1.2 `countElements` became `count`
let substringIndex = stringLength - 1
name.substringToIndex(advance(name.startIndex, substringIndex)) // "Dolphi"
Alternatively (for a more practical, but less educational example) you can...
Find which version of package is installed with pip
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Pip 1.3 now also has a list command:
$ pip list
argparse (1.2.1)
pip (1.5.1)
setuptools (2.1)
wsgiref (0.1.2)
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What does “@private” mean in Objective-C?
...YES; // COMPILER ERROR HERE
other->secondClassCitizen = 1.2; // COMPILER ERROR HERE
}
return self;
}
So to answer your question, @private protects ivars from access by an instance of any other class. Note that two instances of MyFirstClass could access all of each othe...
How to get the selected radio button’s value?
... I believe the @ syntax was deprecated even earlier than that (jquery 1.2)
– Tom Pietrosanti
Jun 21 '13 at 12:24
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Debugging JavaScript in IE7
...('script');firebug.setAttribute('src','http://getfirebug.com/releases/lite/1.2/firebug-lite-compressed.js');document.body.appendChild(firebug);(function(){if(window.firebug.version){firebug.init();}else{setTimeout(arguments.callee);}})();void(firebug);
See http://getfirebug.com/lite.html.
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Swift Beta performance: sorting arrays
...-O SwiftSort.swift
./SwiftSort
Elapsed time: 1.02204304933548
Swift 1.2
xcrun swiftc --version
Apple Swift version 1.2 (swiftlang-602.0.49.6 clang-602.0.49)
Target: x86_64-apple-darwin14.3.0
xcrun -sdk macosx swiftc -O SwiftSort.swift
./SwiftSort
Elapsed time: 0.738763988018036
Swift...
Permission is only granted to system app
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Thanks! In Android Studio 1.2, I found this under File -> Settings -> Editor -> Inspections.
– Aaron
May 13 '15 at 18:20
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How do you check in python whether a string contains only numbers?
...ef contains_only_digits(s):
# True for "", "0", "123"
# False for "1.2", "1,2", "-1", "a", "a1"
for ch in s:
if not ch in string.digits:
return False
return True
Used in the example from the question:
if len(isbn) == 10 and contains_only_digits(isbn):
print...
Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
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I cannot find the "executeSql" in sqlalchemy version 1.2 docs , but the below line worked for me
engine.execute(sqlalchemy.text(sql_query))
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How to check if string input is a number? [duplicate]
... more than just the numeric, it will still return a result. For example: "1.2 Gbps" will return a false positive. This may or may not be useful to some people.
– Brian Bruggeman
May 28 '15 at 19:35
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